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1// SPDX-License-Identifier: GPL-2.0
2#include "builtin.h"
3
4#include "util/counts.h"
5#include "util/debug.h"
6#include "util/dso.h"
7#include <subcmd/exec-cmd.h>
8#include "util/header.h"
9#include <subcmd/parse-options.h>
10#include "util/perf_regs.h"
11#include "util/session.h"
12#include "util/tool.h"
13#include "util/map.h"
14#include "util/srcline.h"
15#include "util/symbol.h"
16#include "util/thread.h"
17#include "util/trace-event.h"
18#include "util/env.h"
19#include "util/evlist.h"
20#include "util/evsel.h"
21#include "util/evsel_fprintf.h"
22#include "util/evswitch.h"
23#include "util/sort.h"
24#include "util/data.h"
25#include "util/auxtrace.h"
26#include "util/cpumap.h"
27#include "util/thread_map.h"
28#include "util/stat.h"
29#include "util/color.h"
30#include "util/string2.h"
31#include "util/thread-stack.h"
32#include "util/time-utils.h"
33#include "util/path.h"
34#include "util/event.h"
35#include "ui/ui.h"
36#include "print_binary.h"
37#include "archinsn.h"
38#include <linux/bitmap.h>
39#include <linux/kernel.h>
40#include <linux/stringify.h>
41#include <linux/time64.h>
42#include <linux/zalloc.h>
43#include <sys/utsname.h>
44#include "asm/bug.h"
45#include "util/mem-events.h"
46#include "util/dump-insn.h"
47#include <dirent.h>
48#include <errno.h>
49#include <inttypes.h>
50#include <signal.h>
51#include <sys/param.h>
52#include <sys/types.h>
53#include <sys/stat.h>
54#include <fcntl.h>
55#include <unistd.h>
56#include <subcmd/pager.h>
57#include <perf/evlist.h>
58#include <linux/err.h>
59#include "util/dlfilter.h"
60#include "util/record.h"
61#include "util/util.h"
62#include "perf.h"
63
64#include <linux/ctype.h>
65#ifdef HAVE_LIBTRACEEVENT
66#include <traceevent/event-parse.h>
67#endif
68
69static char const *script_name;
70static char const *generate_script_lang;
71static bool reltime;
72static bool deltatime;
73static u64 initial_time;
74static u64 previous_time;
75static bool debug_mode;
76static u64 last_timestamp;
77static u64 nr_unordered;
78static bool no_callchain;
79static bool latency_format;
80static bool system_wide;
81static bool print_flags;
82static const char *cpu_list;
83static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
84static struct perf_stat_config stat_config;
85static int max_blocks;
86static bool native_arch;
87static struct dlfilter *dlfilter;
88static int dlargc;
89static char **dlargv;
90
91unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
92
93enum perf_output_field {
94 PERF_OUTPUT_COMM = 1ULL << 0,
95 PERF_OUTPUT_TID = 1ULL << 1,
96 PERF_OUTPUT_PID = 1ULL << 2,
97 PERF_OUTPUT_TIME = 1ULL << 3,
98 PERF_OUTPUT_CPU = 1ULL << 4,
99 PERF_OUTPUT_EVNAME = 1ULL << 5,
100 PERF_OUTPUT_TRACE = 1ULL << 6,
101 PERF_OUTPUT_IP = 1ULL << 7,
102 PERF_OUTPUT_SYM = 1ULL << 8,
103 PERF_OUTPUT_DSO = 1ULL << 9,
104 PERF_OUTPUT_ADDR = 1ULL << 10,
105 PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
106 PERF_OUTPUT_SRCLINE = 1ULL << 12,
107 PERF_OUTPUT_PERIOD = 1ULL << 13,
108 PERF_OUTPUT_IREGS = 1ULL << 14,
109 PERF_OUTPUT_BRSTACK = 1ULL << 15,
110 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
111 PERF_OUTPUT_DATA_SRC = 1ULL << 17,
112 PERF_OUTPUT_WEIGHT = 1ULL << 18,
113 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
114 PERF_OUTPUT_CALLINDENT = 1ULL << 20,
115 PERF_OUTPUT_INSN = 1ULL << 21,
116 PERF_OUTPUT_INSNLEN = 1ULL << 22,
117 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
118 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
119 PERF_OUTPUT_SYNTH = 1ULL << 25,
120 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
121 PERF_OUTPUT_UREGS = 1ULL << 27,
122 PERF_OUTPUT_METRIC = 1ULL << 28,
123 PERF_OUTPUT_MISC = 1ULL << 29,
124 PERF_OUTPUT_SRCCODE = 1ULL << 30,
125 PERF_OUTPUT_IPC = 1ULL << 31,
126 PERF_OUTPUT_TOD = 1ULL << 32,
127 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33,
128 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
129 PERF_OUTPUT_INS_LAT = 1ULL << 35,
130 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36,
131 PERF_OUTPUT_MACHINE_PID = 1ULL << 37,
132 PERF_OUTPUT_VCPU = 1ULL << 38,
133};
134
135struct perf_script {
136 struct perf_tool tool;
137 struct perf_session *session;
138 bool show_task_events;
139 bool show_mmap_events;
140 bool show_switch_events;
141 bool show_namespace_events;
142 bool show_lost_events;
143 bool show_round_events;
144 bool show_bpf_events;
145 bool show_cgroup_events;
146 bool show_text_poke_events;
147 bool allocated;
148 bool per_event_dump;
149 bool stitch_lbr;
150 struct evswitch evswitch;
151 struct perf_cpu_map *cpus;
152 struct perf_thread_map *threads;
153 int name_width;
154 const char *time_str;
155 struct perf_time_interval *ptime_range;
156 int range_size;
157 int range_num;
158};
159
160struct output_option {
161 const char *str;
162 enum perf_output_field field;
163} all_output_options[] = {
164 {.str = "comm", .field = PERF_OUTPUT_COMM},
165 {.str = "tid", .field = PERF_OUTPUT_TID},
166 {.str = "pid", .field = PERF_OUTPUT_PID},
167 {.str = "time", .field = PERF_OUTPUT_TIME},
168 {.str = "cpu", .field = PERF_OUTPUT_CPU},
169 {.str = "event", .field = PERF_OUTPUT_EVNAME},
170 {.str = "trace", .field = PERF_OUTPUT_TRACE},
171 {.str = "ip", .field = PERF_OUTPUT_IP},
172 {.str = "sym", .field = PERF_OUTPUT_SYM},
173 {.str = "dso", .field = PERF_OUTPUT_DSO},
174 {.str = "addr", .field = PERF_OUTPUT_ADDR},
175 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
176 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
177 {.str = "period", .field = PERF_OUTPUT_PERIOD},
178 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
179 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
180 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
181 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
182 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
183 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
184 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
185 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
186 {.str = "insn", .field = PERF_OUTPUT_INSN},
187 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
188 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
189 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
190 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
191 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
192 {.str = "metric", .field = PERF_OUTPUT_METRIC},
193 {.str = "misc", .field = PERF_OUTPUT_MISC},
194 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
195 {.str = "ipc", .field = PERF_OUTPUT_IPC},
196 {.str = "tod", .field = PERF_OUTPUT_TOD},
197 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
198 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
199 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
200 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
201 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
202 {.str = "vcpu", .field = PERF_OUTPUT_VCPU},
203};
204
205enum {
206 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
207 OUTPUT_TYPE_OTHER,
208 OUTPUT_TYPE_MAX
209};
210
211/* default set to maintain compatibility with current format */
212static struct {
213 bool user_set;
214 bool wildcard_set;
215 unsigned int print_ip_opts;
216 u64 fields;
217 u64 invalid_fields;
218 u64 user_set_fields;
219 u64 user_unset_fields;
220} output[OUTPUT_TYPE_MAX] = {
221
222 [PERF_TYPE_HARDWARE] = {
223 .user_set = false,
224
225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
229 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
230
231 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
232 },
233
234 [PERF_TYPE_SOFTWARE] = {
235 .user_set = false,
236
237 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
238 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
239 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
240 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
241 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
242 PERF_OUTPUT_BPF_OUTPUT,
243
244 .invalid_fields = PERF_OUTPUT_TRACE,
245 },
246
247 [PERF_TYPE_TRACEPOINT] = {
248 .user_set = false,
249
250 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
251 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
252 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
253 },
254
255 [PERF_TYPE_HW_CACHE] = {
256 .user_set = false,
257
258 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
259 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
260 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
261 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
262 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
263
264 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
265 },
266
267 [PERF_TYPE_RAW] = {
268 .user_set = false,
269
270 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
271 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
272 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
273 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
274 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
275 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
276 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
277 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
278 PERF_OUTPUT_INS_LAT,
279
280 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
281 },
282
283 [PERF_TYPE_BREAKPOINT] = {
284 .user_set = false,
285
286 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
287 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
288 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
289 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
290 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
291
292 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
293 },
294
295 [OUTPUT_TYPE_SYNTH] = {
296 .user_set = false,
297
298 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
299 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
300 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
301 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
302 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
303
304 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
305 },
306
307 [OUTPUT_TYPE_OTHER] = {
308 .user_set = false,
309
310 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
311 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
312 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
313 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
314 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
315
316 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
317 },
318};
319
320struct evsel_script {
321 char *filename;
322 FILE *fp;
323 u64 samples;
324 /* For metric output */
325 u64 val;
326 int gnum;
327};
328
329static inline struct evsel_script *evsel_script(struct evsel *evsel)
330{
331 return (struct evsel_script *)evsel->priv;
332}
333
334static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
335{
336 struct evsel_script *es = zalloc(sizeof(*es));
337
338 if (es != NULL) {
339 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
340 goto out_free;
341 es->fp = fopen(es->filename, "w");
342 if (es->fp == NULL)
343 goto out_free_filename;
344 }
345
346 return es;
347out_free_filename:
348 zfree(&es->filename);
349out_free:
350 free(es);
351 return NULL;
352}
353
354static void evsel_script__delete(struct evsel_script *es)
355{
356 zfree(&es->filename);
357 fclose(es->fp);
358 es->fp = NULL;
359 free(es);
360}
361
362static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
363{
364 struct stat st;
365
366 fstat(fileno(es->fp), &st);
367 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
368 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
369}
370
371static inline int output_type(unsigned int type)
372{
373 switch (type) {
374 case PERF_TYPE_SYNTH:
375 return OUTPUT_TYPE_SYNTH;
376 default:
377 if (type < PERF_TYPE_MAX)
378 return type;
379 }
380
381 return OUTPUT_TYPE_OTHER;
382}
383
384static bool output_set_by_user(void)
385{
386 int j;
387 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
388 if (output[j].user_set)
389 return true;
390 }
391 return false;
392}
393
394static const char *output_field2str(enum perf_output_field field)
395{
396 int i, imax = ARRAY_SIZE(all_output_options);
397 const char *str = "";
398
399 for (i = 0; i < imax; ++i) {
400 if (all_output_options[i].field == field) {
401 str = all_output_options[i].str;
402 break;
403 }
404 }
405 return str;
406}
407
408#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
409
410static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
411 enum perf_output_field field, bool allow_user_set)
412{
413 struct perf_event_attr *attr = &evsel->core.attr;
414 int type = output_type(attr->type);
415 const char *evname;
416
417 if (attr->sample_type & sample_type)
418 return 0;
419
420 if (output[type].user_set_fields & field) {
421 if (allow_user_set)
422 return 0;
423 evname = evsel__name(evsel);
424 pr_err("Samples for '%s' event do not have %s attribute set. "
425 "Cannot print '%s' field.\n",
426 evname, sample_msg, output_field2str(field));
427 return -1;
428 }
429
430 /* user did not ask for it explicitly so remove from the default list */
431 output[type].fields &= ~field;
432 evname = evsel__name(evsel);
433 pr_debug("Samples for '%s' event do not have %s attribute set. "
434 "Skipping '%s' field.\n",
435 evname, sample_msg, output_field2str(field));
436
437 return 0;
438}
439
440static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
441 enum perf_output_field field)
442{
443 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
444}
445
446static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
447{
448 struct perf_event_attr *attr = &evsel->core.attr;
449 bool allow_user_set;
450
451 if (evsel__is_dummy_event(evsel))
452 return 0;
453
454 if (perf_header__has_feat(&session->header, HEADER_STAT))
455 return 0;
456
457 allow_user_set = perf_header__has_feat(&session->header,
458 HEADER_AUXTRACE);
459
460 if (PRINT_FIELD(TRACE) &&
461 !perf_session__has_traces(session, "record -R"))
462 return -EINVAL;
463
464 if (PRINT_FIELD(IP)) {
465 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
466 return -EINVAL;
467 }
468
469 if (PRINT_FIELD(ADDR) &&
470 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
471 return -EINVAL;
472
473 if (PRINT_FIELD(DATA_SRC) &&
474 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
475 return -EINVAL;
476
477 if (PRINT_FIELD(WEIGHT) &&
478 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
479 return -EINVAL;
480
481 if (PRINT_FIELD(SYM) &&
482 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
483 pr_err("Display of symbols requested but neither sample IP nor "
484 "sample address\navailable. Hence, no addresses to convert "
485 "to symbols.\n");
486 return -EINVAL;
487 }
488 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
489 pr_err("Display of offsets requested but symbol is not"
490 "selected.\n");
491 return -EINVAL;
492 }
493 if (PRINT_FIELD(DSO) &&
494 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
495 pr_err("Display of DSO requested but no address to convert.\n");
496 return -EINVAL;
497 }
498 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
499 pr_err("Display of source line number requested but sample IP is not\n"
500 "selected. Hence, no address to lookup the source line number.\n");
501 return -EINVAL;
502 }
503 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
504 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
505 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
506 "Hint: run 'perf record -b ...'\n");
507 return -EINVAL;
508 }
509 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
510 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
511 return -EINVAL;
512
513 if (PRINT_FIELD(TIME) &&
514 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
515 return -EINVAL;
516
517 if (PRINT_FIELD(CPU) &&
518 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
519 return -EINVAL;
520
521 if (PRINT_FIELD(IREGS) &&
522 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
523 return -EINVAL;
524
525 if (PRINT_FIELD(UREGS) &&
526 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
527 return -EINVAL;
528
529 if (PRINT_FIELD(PHYS_ADDR) &&
530 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
531 return -EINVAL;
532
533 if (PRINT_FIELD(DATA_PAGE_SIZE) &&
534 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
535 return -EINVAL;
536
537 if (PRINT_FIELD(CODE_PAGE_SIZE) &&
538 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
539 return -EINVAL;
540
541 if (PRINT_FIELD(INS_LAT) &&
542 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
543 return -EINVAL;
544
545 return 0;
546}
547
548static void set_print_ip_opts(struct perf_event_attr *attr)
549{
550 unsigned int type = output_type(attr->type);
551
552 output[type].print_ip_opts = 0;
553 if (PRINT_FIELD(IP))
554 output[type].print_ip_opts |= EVSEL__PRINT_IP;
555
556 if (PRINT_FIELD(SYM))
557 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
558
559 if (PRINT_FIELD(DSO))
560 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
561
562 if (PRINT_FIELD(SYMOFFSET))
563 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
564
565 if (PRINT_FIELD(SRCLINE))
566 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
567}
568
569static struct evsel *find_first_output_type(struct evlist *evlist,
570 unsigned int type)
571{
572 struct evsel *evsel;
573
574 evlist__for_each_entry(evlist, evsel) {
575 if (evsel__is_dummy_event(evsel))
576 continue;
577 if (output_type(evsel->core.attr.type) == (int)type)
578 return evsel;
579 }
580 return NULL;
581}
582
583/*
584 * verify all user requested events exist and the samples
585 * have the expected data
586 */
587static int perf_session__check_output_opt(struct perf_session *session)
588{
589 bool tod = false;
590 unsigned int j;
591 struct evsel *evsel;
592
593 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
594 evsel = find_first_output_type(session->evlist, j);
595
596 /*
597 * even if fields is set to 0 (ie., show nothing) event must
598 * exist if user explicitly includes it on the command line
599 */
600 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
601 j != OUTPUT_TYPE_SYNTH) {
602 pr_err("%s events do not exist. "
603 "Remove corresponding -F option to proceed.\n",
604 event_type(j));
605 return -1;
606 }
607
608 if (evsel && output[j].fields &&
609 evsel__check_attr(evsel, session))
610 return -1;
611
612 if (evsel == NULL)
613 continue;
614
615 set_print_ip_opts(&evsel->core.attr);
616 tod |= output[j].fields & PERF_OUTPUT_TOD;
617 }
618
619 if (!no_callchain) {
620 bool use_callchain = false;
621 bool not_pipe = false;
622
623 evlist__for_each_entry(session->evlist, evsel) {
624 not_pipe = true;
625 if (evsel__has_callchain(evsel)) {
626 use_callchain = true;
627 break;
628 }
629 }
630 if (not_pipe && !use_callchain)
631 symbol_conf.use_callchain = false;
632 }
633
634 /*
635 * set default for tracepoints to print symbols only
636 * if callchains are present
637 */
638 if (symbol_conf.use_callchain &&
639 !output[PERF_TYPE_TRACEPOINT].user_set) {
640 j = PERF_TYPE_TRACEPOINT;
641
642 evlist__for_each_entry(session->evlist, evsel) {
643 if (evsel->core.attr.type != j)
644 continue;
645
646 if (evsel__has_callchain(evsel)) {
647 output[j].fields |= PERF_OUTPUT_IP;
648 output[j].fields |= PERF_OUTPUT_SYM;
649 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
650 output[j].fields |= PERF_OUTPUT_DSO;
651 set_print_ip_opts(&evsel->core.attr);
652 goto out;
653 }
654 }
655 }
656
657 if (tod && !session->header.env.clock.enabled) {
658 pr_err("Can't provide 'tod' time, missing clock data. "
659 "Please record with -k/--clockid option.\n");
660 return -1;
661 }
662out:
663 return 0;
664}
665
666static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
667 FILE *fp)
668{
669 unsigned i = 0, r;
670 int printed = 0;
671
672 if (!regs || !regs->regs)
673 return 0;
674
675 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
676
677 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
678 u64 val = regs->regs[i++];
679 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
680 }
681
682 return printed;
683}
684
685#define DEFAULT_TOD_FMT "%F %H:%M:%S"
686
687static char*
688tod_scnprintf(struct perf_script *script, char *buf, int buflen,
689 u64 timestamp)
690{
691 u64 tod_ns, clockid_ns;
692 struct perf_env *env;
693 unsigned long nsec;
694 struct tm ltime;
695 char date[64];
696 time_t sec;
697
698 buf[0] = '\0';
699 if (buflen < 64 || !script)
700 return buf;
701
702 env = &script->session->header.env;
703 if (!env->clock.enabled) {
704 scnprintf(buf, buflen, "disabled");
705 return buf;
706 }
707
708 clockid_ns = env->clock.clockid_ns;
709 tod_ns = env->clock.tod_ns;
710
711 if (timestamp > clockid_ns)
712 tod_ns += timestamp - clockid_ns;
713 else
714 tod_ns -= clockid_ns - timestamp;
715
716 sec = (time_t) (tod_ns / NSEC_PER_SEC);
717 nsec = tod_ns - sec * NSEC_PER_SEC;
718
719 if (localtime_r(&sec, <ime) == NULL) {
720 scnprintf(buf, buflen, "failed");
721 } else {
722 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime);
723
724 if (symbol_conf.nanosecs) {
725 snprintf(buf, buflen, "%s.%09lu", date, nsec);
726 } else {
727 snprintf(buf, buflen, "%s.%06lu",
728 date, nsec / NSEC_PER_USEC);
729 }
730 }
731
732 return buf;
733}
734
735static int perf_sample__fprintf_iregs(struct perf_sample *sample,
736 struct perf_event_attr *attr, const char *arch, FILE *fp)
737{
738 return perf_sample__fprintf_regs(&sample->intr_regs,
739 attr->sample_regs_intr, arch, fp);
740}
741
742static int perf_sample__fprintf_uregs(struct perf_sample *sample,
743 struct perf_event_attr *attr, const char *arch, FILE *fp)
744{
745 return perf_sample__fprintf_regs(&sample->user_regs,
746 attr->sample_regs_user, arch, fp);
747}
748
749static int perf_sample__fprintf_start(struct perf_script *script,
750 struct perf_sample *sample,
751 struct thread *thread,
752 struct evsel *evsel,
753 u32 type, FILE *fp)
754{
755 struct perf_event_attr *attr = &evsel->core.attr;
756 unsigned long secs;
757 unsigned long long nsecs;
758 int printed = 0;
759 char tstr[128];
760
761 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
762 printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
763
764 /* Print VCPU only for guest events i.e. with machine_pid */
765 if (PRINT_FIELD(VCPU) && sample->machine_pid)
766 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
767
768 if (PRINT_FIELD(COMM)) {
769 const char *comm = thread ? thread__comm_str(thread) : ":-1";
770
771 if (latency_format)
772 printed += fprintf(fp, "%8.8s ", comm);
773 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
774 printed += fprintf(fp, "%s ", comm);
775 else
776 printed += fprintf(fp, "%16s ", comm);
777 }
778
779 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
780 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
781 else if (PRINT_FIELD(PID))
782 printed += fprintf(fp, "%5d ", sample->pid);
783 else if (PRINT_FIELD(TID))
784 printed += fprintf(fp, "%5d ", sample->tid);
785
786 if (PRINT_FIELD(CPU)) {
787 if (latency_format)
788 printed += fprintf(fp, "%3d ", sample->cpu);
789 else
790 printed += fprintf(fp, "[%03d] ", sample->cpu);
791 }
792
793 if (PRINT_FIELD(MISC)) {
794 int ret = 0;
795
796 #define has(m) \
797 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
798
799 if (has(KERNEL))
800 ret += fprintf(fp, "K");
801 if (has(USER))
802 ret += fprintf(fp, "U");
803 if (has(HYPERVISOR))
804 ret += fprintf(fp, "H");
805 if (has(GUEST_KERNEL))
806 ret += fprintf(fp, "G");
807 if (has(GUEST_USER))
808 ret += fprintf(fp, "g");
809
810 switch (type) {
811 case PERF_RECORD_MMAP:
812 case PERF_RECORD_MMAP2:
813 if (has(MMAP_DATA))
814 ret += fprintf(fp, "M");
815 break;
816 case PERF_RECORD_COMM:
817 if (has(COMM_EXEC))
818 ret += fprintf(fp, "E");
819 break;
820 case PERF_RECORD_SWITCH:
821 case PERF_RECORD_SWITCH_CPU_WIDE:
822 if (has(SWITCH_OUT)) {
823 ret += fprintf(fp, "S");
824 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
825 ret += fprintf(fp, "p");
826 }
827 default:
828 break;
829 }
830
831 #undef has
832
833 ret += fprintf(fp, "%*s", 6 - ret, " ");
834 printed += ret;
835 }
836
837 if (PRINT_FIELD(TOD)) {
838 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
839 printed += fprintf(fp, "%s ", tstr);
840 }
841
842 if (PRINT_FIELD(TIME)) {
843 u64 t = sample->time;
844 if (reltime) {
845 if (!initial_time)
846 initial_time = sample->time;
847 t = sample->time - initial_time;
848 } else if (deltatime) {
849 if (previous_time)
850 t = sample->time - previous_time;
851 else {
852 t = 0;
853 }
854 previous_time = sample->time;
855 }
856 nsecs = t;
857 secs = nsecs / NSEC_PER_SEC;
858 nsecs -= secs * NSEC_PER_SEC;
859
860 if (symbol_conf.nanosecs)
861 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
862 else {
863 char sample_time[32];
864 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
865 printed += fprintf(fp, "%12s: ", sample_time);
866 }
867 }
868
869 return printed;
870}
871
872static inline char
873mispred_str(struct branch_entry *br)
874{
875 if (!(br->flags.mispred || br->flags.predicted))
876 return '-';
877
878 return br->flags.predicted ? 'P' : 'M';
879}
880
881static int print_bstack_flags(FILE *fp, struct branch_entry *br)
882{
883 return fprintf(fp, "/%c/%c/%c/%d/%s ",
884 mispred_str(br),
885 br->flags.in_tx ? 'X' : '-',
886 br->flags.abort ? 'A' : '-',
887 br->flags.cycles,
888 get_branch_type(br));
889}
890
891static int perf_sample__fprintf_brstack(struct perf_sample *sample,
892 struct thread *thread,
893 struct perf_event_attr *attr, FILE *fp)
894{
895 struct branch_stack *br = sample->branch_stack;
896 struct branch_entry *entries = perf_sample__branch_entries(sample);
897 struct addr_location alf, alt;
898 u64 i, from, to;
899 int printed = 0;
900
901 if (!(br && br->nr))
902 return 0;
903
904 for (i = 0; i < br->nr; i++) {
905 from = entries[i].from;
906 to = entries[i].to;
907
908 if (PRINT_FIELD(DSO)) {
909 memset(&alf, 0, sizeof(alf));
910 memset(&alt, 0, sizeof(alt));
911 thread__find_map_fb(thread, sample->cpumode, from, &alf);
912 thread__find_map_fb(thread, sample->cpumode, to, &alt);
913 }
914
915 printed += fprintf(fp, " 0x%"PRIx64, from);
916 if (PRINT_FIELD(DSO)) {
917 printed += fprintf(fp, "(");
918 printed += map__fprintf_dsoname(alf.map, fp);
919 printed += fprintf(fp, ")");
920 }
921
922 printed += fprintf(fp, "/0x%"PRIx64, to);
923 if (PRINT_FIELD(DSO)) {
924 printed += fprintf(fp, "(");
925 printed += map__fprintf_dsoname(alt.map, fp);
926 printed += fprintf(fp, ")");
927 }
928
929 printed += print_bstack_flags(fp, entries + i);
930 }
931
932 return printed;
933}
934
935static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
936 struct thread *thread,
937 struct perf_event_attr *attr, FILE *fp)
938{
939 struct branch_stack *br = sample->branch_stack;
940 struct branch_entry *entries = perf_sample__branch_entries(sample);
941 struct addr_location alf, alt;
942 u64 i, from, to;
943 int printed = 0;
944
945 if (!(br && br->nr))
946 return 0;
947
948 for (i = 0; i < br->nr; i++) {
949
950 memset(&alf, 0, sizeof(alf));
951 memset(&alt, 0, sizeof(alt));
952 from = entries[i].from;
953 to = entries[i].to;
954
955 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
956 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
957
958 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
959 if (PRINT_FIELD(DSO)) {
960 printed += fprintf(fp, "(");
961 printed += map__fprintf_dsoname(alf.map, fp);
962 printed += fprintf(fp, ")");
963 }
964 printed += fprintf(fp, "%c", '/');
965 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
966 if (PRINT_FIELD(DSO)) {
967 printed += fprintf(fp, "(");
968 printed += map__fprintf_dsoname(alt.map, fp);
969 printed += fprintf(fp, ")");
970 }
971 printed += print_bstack_flags(fp, entries + i);
972 }
973
974 return printed;
975}
976
977static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
978 struct thread *thread,
979 struct perf_event_attr *attr, FILE *fp)
980{
981 struct branch_stack *br = sample->branch_stack;
982 struct branch_entry *entries = perf_sample__branch_entries(sample);
983 struct addr_location alf, alt;
984 u64 i, from, to;
985 int printed = 0;
986
987 if (!(br && br->nr))
988 return 0;
989
990 for (i = 0; i < br->nr; i++) {
991
992 memset(&alf, 0, sizeof(alf));
993 memset(&alt, 0, sizeof(alt));
994 from = entries[i].from;
995 to = entries[i].to;
996
997 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
998 !alf.map->dso->adjust_symbols)
999 from = map__map_ip(alf.map, from);
1000
1001 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1002 !alt.map->dso->adjust_symbols)
1003 to = map__map_ip(alt.map, to);
1004
1005 printed += fprintf(fp, " 0x%"PRIx64, from);
1006 if (PRINT_FIELD(DSO)) {
1007 printed += fprintf(fp, "(");
1008 printed += map__fprintf_dsoname(alf.map, fp);
1009 printed += fprintf(fp, ")");
1010 }
1011 printed += fprintf(fp, "/0x%"PRIx64, to);
1012 if (PRINT_FIELD(DSO)) {
1013 printed += fprintf(fp, "(");
1014 printed += map__fprintf_dsoname(alt.map, fp);
1015 printed += fprintf(fp, ")");
1016 }
1017 printed += print_bstack_flags(fp, entries + i);
1018 }
1019
1020 return printed;
1021}
1022#define MAXBB 16384UL
1023
1024static int grab_bb(u8 *buffer, u64 start, u64 end,
1025 struct machine *machine, struct thread *thread,
1026 bool *is64bit, u8 *cpumode, bool last)
1027{
1028 long offset, len;
1029 struct addr_location al;
1030 bool kernel;
1031
1032 if (!start || !end)
1033 return 0;
1034
1035 kernel = machine__kernel_ip(machine, start);
1036 if (kernel)
1037 *cpumode = PERF_RECORD_MISC_KERNEL;
1038 else
1039 *cpumode = PERF_RECORD_MISC_USER;
1040
1041 /*
1042 * Block overlaps between kernel and user.
1043 * This can happen due to ring filtering
1044 * On Intel CPUs the entry into the kernel is filtered,
1045 * but the exit is not. Let the caller patch it up.
1046 */
1047 if (kernel != machine__kernel_ip(machine, end)) {
1048 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1049 return -ENXIO;
1050 }
1051
1052 memset(&al, 0, sizeof(al));
1053 if (end - start > MAXBB - MAXINSN) {
1054 if (last)
1055 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1056 else
1057 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1058 return 0;
1059 }
1060
1061 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1062 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1063 return 0;
1064 }
1065 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1066 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1067 return 0;
1068 }
1069
1070 /* Load maps to ensure dso->is_64_bit has been updated */
1071 map__load(al.map);
1072
1073 offset = al.map->map_ip(al.map, start);
1074 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1075 end - start + MAXINSN);
1076
1077 *is64bit = al.map->dso->is_64_bit;
1078 if (len <= 0)
1079 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1080 start, end);
1081 return len;
1082}
1083
1084static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1085{
1086 char *srcfile;
1087 int ret = 0;
1088 unsigned line;
1089 int len;
1090 char *srccode;
1091
1092 if (!map || !map->dso)
1093 return 0;
1094 srcfile = get_srcline_split(map->dso,
1095 map__rip_2objdump(map, addr),
1096 &line);
1097 if (!srcfile)
1098 return 0;
1099
1100 /* Avoid redundant printing */
1101 if (state &&
1102 state->srcfile &&
1103 !strcmp(state->srcfile, srcfile) &&
1104 state->line == line) {
1105 free(srcfile);
1106 return 0;
1107 }
1108
1109 srccode = find_sourceline(srcfile, line, &len);
1110 if (!srccode)
1111 goto out_free_line;
1112
1113 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1114
1115 if (state) {
1116 state->srcfile = srcfile;
1117 state->line = line;
1118 }
1119 return ret;
1120
1121out_free_line:
1122 free(srcfile);
1123 return ret;
1124}
1125
1126static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1127{
1128 struct addr_location al;
1129 int ret = 0;
1130
1131 memset(&al, 0, sizeof(al));
1132 thread__find_map(thread, cpumode, addr, &al);
1133 if (!al.map)
1134 return 0;
1135 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1136 &thread->srccode_state);
1137 if (ret)
1138 ret += printf("\n");
1139 return ret;
1140}
1141
1142static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1143 struct perf_insn *x, u8 *inbuf, int len,
1144 int insn, FILE *fp, int *total_cycles,
1145 struct perf_event_attr *attr)
1146{
1147 int ilen = 0;
1148 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1149 dump_insn(x, ip, inbuf, len, &ilen));
1150
1151 if (PRINT_FIELD(BRSTACKINSNLEN))
1152 printed += fprintf(fp, "ilen: %d\t", ilen);
1153
1154 printed += fprintf(fp, "#%s%s%s%s",
1155 en->flags.predicted ? " PRED" : "",
1156 en->flags.mispred ? " MISPRED" : "",
1157 en->flags.in_tx ? " INTX" : "",
1158 en->flags.abort ? " ABORT" : "");
1159 if (en->flags.cycles) {
1160 *total_cycles += en->flags.cycles;
1161 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1162 if (insn)
1163 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1164 }
1165 return printed + fprintf(fp, "\n");
1166}
1167
1168static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1169 u8 cpumode, int cpu, struct symbol **lastsym,
1170 struct perf_event_attr *attr, FILE *fp)
1171{
1172 struct addr_location al;
1173 int off, printed = 0;
1174
1175 memset(&al, 0, sizeof(al));
1176
1177 thread__find_map(thread, cpumode, addr, &al);
1178
1179 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1180 return 0;
1181
1182 al.cpu = cpu;
1183 al.sym = NULL;
1184 if (al.map)
1185 al.sym = map__find_symbol(al.map, al.addr);
1186
1187 if (!al.sym)
1188 return 0;
1189
1190 if (al.addr < al.sym->end)
1191 off = al.addr - al.sym->start;
1192 else
1193 off = al.addr - al.map->start - al.sym->start;
1194 printed += fprintf(fp, "\t%s", al.sym->name);
1195 if (off)
1196 printed += fprintf(fp, "%+d", off);
1197 printed += fprintf(fp, ":");
1198 if (PRINT_FIELD(SRCLINE))
1199 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1200 printed += fprintf(fp, "\n");
1201 *lastsym = al.sym;
1202
1203 return printed;
1204}
1205
1206static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1207 struct thread *thread,
1208 struct perf_event_attr *attr,
1209 struct machine *machine, FILE *fp)
1210{
1211 struct branch_stack *br = sample->branch_stack;
1212 struct branch_entry *entries = perf_sample__branch_entries(sample);
1213 u64 start, end;
1214 int i, insn, len, nr, ilen, printed = 0;
1215 struct perf_insn x;
1216 u8 buffer[MAXBB];
1217 unsigned off;
1218 struct symbol *lastsym = NULL;
1219 int total_cycles = 0;
1220
1221 if (!(br && br->nr))
1222 return 0;
1223 nr = br->nr;
1224 if (max_blocks && nr > max_blocks + 1)
1225 nr = max_blocks + 1;
1226
1227 x.thread = thread;
1228 x.cpu = sample->cpu;
1229
1230 printed += fprintf(fp, "%c", '\n');
1231
1232 /* Handle first from jump, of which we don't know the entry. */
1233 len = grab_bb(buffer, entries[nr-1].from,
1234 entries[nr-1].from,
1235 machine, thread, &x.is64bit, &x.cpumode, false);
1236 if (len > 0) {
1237 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1238 x.cpumode, x.cpu, &lastsym, attr, fp);
1239 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1240 &x, buffer, len, 0, fp, &total_cycles,
1241 attr);
1242 if (PRINT_FIELD(SRCCODE))
1243 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1244 }
1245
1246 /* Print all blocks */
1247 for (i = nr - 2; i >= 0; i--) {
1248 if (entries[i].from || entries[i].to)
1249 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1250 entries[i].from,
1251 entries[i].to);
1252 start = entries[i + 1].to;
1253 end = entries[i].from;
1254
1255 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1256 /* Patch up missing kernel transfers due to ring filters */
1257 if (len == -ENXIO && i > 0) {
1258 end = entries[--i].from;
1259 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1260 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1261 }
1262 if (len <= 0)
1263 continue;
1264
1265 insn = 0;
1266 for (off = 0; off < (unsigned)len; off += ilen) {
1267 uint64_t ip = start + off;
1268
1269 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1270 if (ip == end) {
1271 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1272 &total_cycles, attr);
1273 if (PRINT_FIELD(SRCCODE))
1274 printed += print_srccode(thread, x.cpumode, ip);
1275 break;
1276 } else {
1277 ilen = 0;
1278 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1279 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1280 if (PRINT_FIELD(BRSTACKINSNLEN))
1281 printed += fprintf(fp, "\tilen: %d", ilen);
1282 printed += fprintf(fp, "\n");
1283 if (ilen == 0)
1284 break;
1285 if (PRINT_FIELD(SRCCODE))
1286 print_srccode(thread, x.cpumode, ip);
1287 insn++;
1288 }
1289 }
1290 if (off != end - start)
1291 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1292 }
1293
1294 /*
1295 * Hit the branch? In this case we are already done, and the target
1296 * has not been executed yet.
1297 */
1298 if (entries[0].from == sample->ip)
1299 goto out;
1300 if (entries[0].flags.abort)
1301 goto out;
1302
1303 /*
1304 * Print final block upto sample
1305 *
1306 * Due to pipeline delays the LBRs might be missing a branch
1307 * or two, which can result in very large or negative blocks
1308 * between final branch and sample. When this happens just
1309 * continue walking after the last TO until we hit a branch.
1310 */
1311 start = entries[0].to;
1312 end = sample->ip;
1313 if (end < start) {
1314 /* Missing jump. Scan 128 bytes for the next branch */
1315 end = start + 128;
1316 }
1317 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1318 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1319 if (len <= 0) {
1320 /* Print at least last IP if basic block did not work */
1321 len = grab_bb(buffer, sample->ip, sample->ip,
1322 machine, thread, &x.is64bit, &x.cpumode, false);
1323 if (len <= 0)
1324 goto out;
1325 ilen = 0;
1326 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1327 dump_insn(&x, sample->ip, buffer, len, &ilen));
1328 if (PRINT_FIELD(BRSTACKINSNLEN))
1329 printed += fprintf(fp, "\tilen: %d", ilen);
1330 printed += fprintf(fp, "\n");
1331 if (PRINT_FIELD(SRCCODE))
1332 print_srccode(thread, x.cpumode, sample->ip);
1333 goto out;
1334 }
1335 for (off = 0; off <= end - start; off += ilen) {
1336 ilen = 0;
1337 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1338 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1339 if (PRINT_FIELD(BRSTACKINSNLEN))
1340 printed += fprintf(fp, "\tilen: %d", ilen);
1341 printed += fprintf(fp, "\n");
1342 if (ilen == 0)
1343 break;
1344 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1345 /*
1346 * Hit a missing branch. Just stop.
1347 */
1348 printed += fprintf(fp, "\t... not reaching sample ...\n");
1349 break;
1350 }
1351 if (PRINT_FIELD(SRCCODE))
1352 print_srccode(thread, x.cpumode, start + off);
1353 }
1354out:
1355 return printed;
1356}
1357
1358static int perf_sample__fprintf_addr(struct perf_sample *sample,
1359 struct thread *thread,
1360 struct perf_event_attr *attr, FILE *fp)
1361{
1362 struct addr_location al;
1363 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1364
1365 if (!sample_addr_correlates_sym(attr))
1366 goto out;
1367
1368 thread__resolve(thread, &al, sample);
1369
1370 if (PRINT_FIELD(SYM)) {
1371 printed += fprintf(fp, " ");
1372 if (PRINT_FIELD(SYMOFFSET))
1373 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1374 else
1375 printed += symbol__fprintf_symname(al.sym, fp);
1376 }
1377
1378 if (PRINT_FIELD(DSO)) {
1379 printed += fprintf(fp, " (");
1380 printed += map__fprintf_dsoname(al.map, fp);
1381 printed += fprintf(fp, ")");
1382 }
1383out:
1384 return printed;
1385}
1386
1387static const char *resolve_branch_sym(struct perf_sample *sample,
1388 struct evsel *evsel,
1389 struct thread *thread,
1390 struct addr_location *al,
1391 struct addr_location *addr_al,
1392 u64 *ip)
1393{
1394 struct perf_event_attr *attr = &evsel->core.attr;
1395 const char *name = NULL;
1396
1397 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1398 if (sample_addr_correlates_sym(attr)) {
1399 if (!addr_al->thread)
1400 thread__resolve(thread, addr_al, sample);
1401 if (addr_al->sym)
1402 name = addr_al->sym->name;
1403 else
1404 *ip = sample->addr;
1405 } else {
1406 *ip = sample->addr;
1407 }
1408 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1409 if (al->sym)
1410 name = al->sym->name;
1411 else
1412 *ip = sample->ip;
1413 }
1414 return name;
1415}
1416
1417static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1418 struct evsel *evsel,
1419 struct thread *thread,
1420 struct addr_location *al,
1421 struct addr_location *addr_al,
1422 FILE *fp)
1423{
1424 struct perf_event_attr *attr = &evsel->core.attr;
1425 size_t depth = thread_stack__depth(thread, sample->cpu);
1426 const char *name = NULL;
1427 static int spacing;
1428 int len = 0;
1429 int dlen = 0;
1430 u64 ip = 0;
1431
1432 /*
1433 * The 'return' has already been popped off the stack so the depth has
1434 * to be adjusted to match the 'call'.
1435 */
1436 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1437 depth += 1;
1438
1439 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1440
1441 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1442 dlen += fprintf(fp, "(");
1443 dlen += map__fprintf_dsoname(al->map, fp);
1444 dlen += fprintf(fp, ")\t");
1445 }
1446
1447 if (name)
1448 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1449 else if (ip)
1450 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1451
1452 if (len < 0)
1453 return len;
1454
1455 /*
1456 * Try to keep the output length from changing frequently so that the
1457 * output lines up more nicely.
1458 */
1459 if (len > spacing || (len && len < spacing - 52))
1460 spacing = round_up(len + 4, 32);
1461
1462 if (len < spacing)
1463 len += fprintf(fp, "%*s", spacing - len, "");
1464
1465 return len + dlen;
1466}
1467
1468__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1469 struct thread *thread __maybe_unused,
1470 struct machine *machine __maybe_unused)
1471{
1472}
1473
1474void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1475 struct machine *machine)
1476{
1477 if (sample->insn_len == 0 && native_arch)
1478 arch_fetch_insn(sample, thread, machine);
1479}
1480
1481static int perf_sample__fprintf_insn(struct perf_sample *sample,
1482 struct perf_event_attr *attr,
1483 struct thread *thread,
1484 struct machine *machine, FILE *fp)
1485{
1486 int printed = 0;
1487
1488 script_fetch_insn(sample, thread, machine);
1489
1490 if (PRINT_FIELD(INSNLEN))
1491 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1492 if (PRINT_FIELD(INSN) && sample->insn_len) {
1493 int i;
1494
1495 printed += fprintf(fp, " insn:");
1496 for (i = 0; i < sample->insn_len; i++)
1497 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1498 }
1499 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1500 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1501
1502 return printed;
1503}
1504
1505static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1506 struct perf_event_attr *attr, FILE *fp)
1507{
1508 unsigned int ipc;
1509
1510 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1511 return 0;
1512
1513 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1514
1515 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1516 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1517}
1518
1519static int perf_sample__fprintf_bts(struct perf_sample *sample,
1520 struct evsel *evsel,
1521 struct thread *thread,
1522 struct addr_location *al,
1523 struct addr_location *addr_al,
1524 struct machine *machine, FILE *fp)
1525{
1526 struct perf_event_attr *attr = &evsel->core.attr;
1527 unsigned int type = output_type(attr->type);
1528 bool print_srcline_last = false;
1529 int printed = 0;
1530
1531 if (PRINT_FIELD(CALLINDENT))
1532 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1533
1534 /* print branch_from information */
1535 if (PRINT_FIELD(IP)) {
1536 unsigned int print_opts = output[type].print_ip_opts;
1537 struct callchain_cursor *cursor = NULL;
1538
1539 if (symbol_conf.use_callchain && sample->callchain &&
1540 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1541 sample, NULL, NULL, scripting_max_stack) == 0)
1542 cursor = &callchain_cursor;
1543
1544 if (cursor == NULL) {
1545 printed += fprintf(fp, " ");
1546 if (print_opts & EVSEL__PRINT_SRCLINE) {
1547 print_srcline_last = true;
1548 print_opts &= ~EVSEL__PRINT_SRCLINE;
1549 }
1550 } else
1551 printed += fprintf(fp, "\n");
1552
1553 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1554 symbol_conf.bt_stop_list, fp);
1555 }
1556
1557 /* print branch_to information */
1558 if (PRINT_FIELD(ADDR) ||
1559 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1560 !output[type].user_set)) {
1561 printed += fprintf(fp, " => ");
1562 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1563 }
1564
1565 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1566
1567 if (print_srcline_last)
1568 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1569
1570 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1571 printed += fprintf(fp, "\n");
1572 if (PRINT_FIELD(SRCCODE)) {
1573 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1574 &thread->srccode_state);
1575 if (ret) {
1576 printed += ret;
1577 printed += printf("\n");
1578 }
1579 }
1580 return printed;
1581}
1582
1583static struct {
1584 u32 flags;
1585 const char *name;
1586} sample_flags[] = {
1587 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1588 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1589 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1590 {PERF_IP_FLAG_BRANCH, "jmp"},
1591 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1592 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1593 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1594 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1595 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1596 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1597 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1598 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1599 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1600 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1601 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1602 {0, NULL}
1603};
1604
1605static const char *sample_flags_to_name(u32 flags)
1606{
1607 int i;
1608
1609 for (i = 0; sample_flags[i].name ; i++) {
1610 if (sample_flags[i].flags == flags)
1611 return sample_flags[i].name;
1612 }
1613
1614 return NULL;
1615}
1616
1617int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1618{
1619 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1620 PERF_IP_FLAG_INTR_TOGGLE;
1621 const char *chars = PERF_IP_FLAG_CHARS;
1622 const size_t n = strlen(PERF_IP_FLAG_CHARS);
1623 const char *name = NULL;
1624 size_t i, pos = 0;
1625 char xs[16] = {0};
1626
1627 if (flags & xf)
1628 snprintf(xs, sizeof(xs), "(%s%s%s)",
1629 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1630 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1631 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1632
1633 name = sample_flags_to_name(flags & ~xf);
1634 if (name)
1635 return snprintf(str, sz, "%-15s%6s", name, xs);
1636
1637 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1638 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1639 if (name)
1640 return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1641 }
1642
1643 if (flags & PERF_IP_FLAG_TRACE_END) {
1644 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1645 if (name)
1646 return snprintf(str, sz, "tr end %-7s%6s", name, xs);
1647 }
1648
1649 for (i = 0; i < n; i++, flags >>= 1) {
1650 if ((flags & 1) && pos < sz)
1651 str[pos++] = chars[i];
1652 }
1653 for (; i < 32; i++, flags >>= 1) {
1654 if ((flags & 1) && pos < sz)
1655 str[pos++] = '?';
1656 }
1657 if (pos < sz)
1658 str[pos] = 0;
1659
1660 return pos;
1661}
1662
1663static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1664{
1665 char str[SAMPLE_FLAGS_BUF_SIZE];
1666
1667 perf_sample__sprintf_flags(flags, str, sizeof(str));
1668 return fprintf(fp, " %-21s ", str);
1669}
1670
1671struct printer_data {
1672 int line_no;
1673 bool hit_nul;
1674 bool is_printable;
1675};
1676
1677static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1678 unsigned int val,
1679 void *extra, FILE *fp)
1680{
1681 unsigned char ch = (unsigned char)val;
1682 struct printer_data *printer_data = extra;
1683 int printed = 0;
1684
1685 switch (op) {
1686 case BINARY_PRINT_DATA_BEGIN:
1687 printed += fprintf(fp, "\n");
1688 break;
1689 case BINARY_PRINT_LINE_BEGIN:
1690 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1691 " ");
1692 break;
1693 case BINARY_PRINT_ADDR:
1694 printed += fprintf(fp, " %04x:", val);
1695 break;
1696 case BINARY_PRINT_NUM_DATA:
1697 printed += fprintf(fp, " %02x", val);
1698 break;
1699 case BINARY_PRINT_NUM_PAD:
1700 printed += fprintf(fp, " ");
1701 break;
1702 case BINARY_PRINT_SEP:
1703 printed += fprintf(fp, " ");
1704 break;
1705 case BINARY_PRINT_CHAR_DATA:
1706 if (printer_data->hit_nul && ch)
1707 printer_data->is_printable = false;
1708
1709 if (!isprint(ch)) {
1710 printed += fprintf(fp, "%c", '.');
1711
1712 if (!printer_data->is_printable)
1713 break;
1714
1715 if (ch == '\0')
1716 printer_data->hit_nul = true;
1717 else
1718 printer_data->is_printable = false;
1719 } else {
1720 printed += fprintf(fp, "%c", ch);
1721 }
1722 break;
1723 case BINARY_PRINT_CHAR_PAD:
1724 printed += fprintf(fp, " ");
1725 break;
1726 case BINARY_PRINT_LINE_END:
1727 printed += fprintf(fp, "\n");
1728 printer_data->line_no++;
1729 break;
1730 case BINARY_PRINT_DATA_END:
1731 default:
1732 break;
1733 }
1734
1735 return printed;
1736}
1737
1738static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1739{
1740 unsigned int nr_bytes = sample->raw_size;
1741 struct printer_data printer_data = {0, false, true};
1742 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1743 sample__fprintf_bpf_output, &printer_data, fp);
1744
1745 if (printer_data.is_printable && printer_data.hit_nul)
1746 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1747
1748 return printed;
1749}
1750
1751static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1752{
1753 if (len > 0 && len < spacing)
1754 return fprintf(fp, "%*s", spacing - len, "");
1755
1756 return 0;
1757}
1758
1759static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1760{
1761 return perf_sample__fprintf_spacing(len, 34, fp);
1762}
1763
1764/* If a value contains only printable ASCII characters padded with NULLs */
1765static bool ptw_is_prt(u64 val)
1766{
1767 char c;
1768 u32 i;
1769
1770 for (i = 0; i < sizeof(val); i++) {
1771 c = ((char *)&val)[i];
1772 if (!c)
1773 break;
1774 if (!isprint(c) || !isascii(c))
1775 return false;
1776 }
1777 for (; i < sizeof(val); i++) {
1778 c = ((char *)&val)[i];
1779 if (c)
1780 return false;
1781 }
1782 return true;
1783}
1784
1785static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1786{
1787 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1788 char str[sizeof(u64) + 1] = "";
1789 int len;
1790 u64 val;
1791
1792 if (perf_sample__bad_synth_size(sample, *data))
1793 return 0;
1794
1795 val = le64_to_cpu(data->payload);
1796 if (ptw_is_prt(val)) {
1797 memcpy(str, &val, sizeof(val));
1798 str[sizeof(val)] = 0;
1799 }
1800 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1801 data->ip, val, str);
1802 return len + perf_sample__fprintf_pt_spacing(len, fp);
1803}
1804
1805static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1806{
1807 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1808 int len;
1809
1810 if (perf_sample__bad_synth_size(sample, *data))
1811 return 0;
1812
1813 len = fprintf(fp, " hints: %#x extensions: %#x ",
1814 data->hints, data->extensions);
1815 return len + perf_sample__fprintf_pt_spacing(len, fp);
1816}
1817
1818static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1819{
1820 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1821 int len;
1822
1823 if (perf_sample__bad_synth_size(sample, *data))
1824 return 0;
1825
1826 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1827 data->hw, data->cstate, data->subcstate);
1828 return len + perf_sample__fprintf_pt_spacing(len, fp);
1829}
1830
1831static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1832{
1833 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1834 int len;
1835
1836 if (perf_sample__bad_synth_size(sample, *data))
1837 return 0;
1838
1839 len = fprintf(fp, " IP: %u ", data->ip);
1840 return len + perf_sample__fprintf_pt_spacing(len, fp);
1841}
1842
1843static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1844{
1845 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1846 int len;
1847
1848 if (perf_sample__bad_synth_size(sample, *data))
1849 return 0;
1850
1851 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1852 data->deepest_cstate, data->last_cstate,
1853 data->wake_reason);
1854 return len + perf_sample__fprintf_pt_spacing(len, fp);
1855}
1856
1857static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1858{
1859 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1860 unsigned int percent, freq;
1861 int len;
1862
1863 if (perf_sample__bad_synth_size(sample, *data))
1864 return 0;
1865
1866 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1867 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1868 if (data->max_nonturbo) {
1869 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1870 len += fprintf(fp, "(%3u%%) ", percent);
1871 }
1872 return len + perf_sample__fprintf_pt_spacing(len, fp);
1873}
1874
1875static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1876{
1877 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1878 int len;
1879
1880 if (perf_sample__bad_synth_size(sample, *data))
1881 return 0;
1882
1883 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1884 return len + perf_sample__fprintf_pt_spacing(len, fp);
1885}
1886
1887/* Intel PT Event Trace */
1888static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1889{
1890 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1891 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1892 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1893 "SHUTDOWN"};
1894 const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1895 const char *s;
1896 int len, i;
1897
1898 if (perf_sample__bad_synth_size(sample, *data))
1899 return 0;
1900
1901 s = cfe[data->type];
1902 if (s) {
1903 len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1904 s, data->ip, data->vector);
1905 } else {
1906 len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1907 data->type, data->ip, data->vector);
1908 }
1909 for (i = 0; i < data->evd_cnt; i++) {
1910 unsigned int et = data->evd[i].evd_type & 0x3f;
1911
1912 s = evd[et];
1913 if (s) {
1914 len += fprintf(fp, " %s: %#" PRIx64,
1915 s, data->evd[i].payload);
1916 } else {
1917 len += fprintf(fp, " EVD_%u: %#" PRIx64,
1918 et, data->evd[i].payload);
1919 }
1920 }
1921 return len + perf_sample__fprintf_pt_spacing(len, fp);
1922}
1923
1924static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1925{
1926 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1927 int len;
1928
1929 if (perf_sample__bad_synth_size(sample, *data))
1930 return 0;
1931
1932 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1933 data->via_branch ? "via" : "non");
1934 return len + perf_sample__fprintf_pt_spacing(len, fp);
1935}
1936
1937static int perf_sample__fprintf_synth(struct perf_sample *sample,
1938 struct evsel *evsel, FILE *fp)
1939{
1940 switch (evsel->core.attr.config) {
1941 case PERF_SYNTH_INTEL_PTWRITE:
1942 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1943 case PERF_SYNTH_INTEL_MWAIT:
1944 return perf_sample__fprintf_synth_mwait(sample, fp);
1945 case PERF_SYNTH_INTEL_PWRE:
1946 return perf_sample__fprintf_synth_pwre(sample, fp);
1947 case PERF_SYNTH_INTEL_EXSTOP:
1948 return perf_sample__fprintf_synth_exstop(sample, fp);
1949 case PERF_SYNTH_INTEL_PWRX:
1950 return perf_sample__fprintf_synth_pwrx(sample, fp);
1951 case PERF_SYNTH_INTEL_CBR:
1952 return perf_sample__fprintf_synth_cbr(sample, fp);
1953 case PERF_SYNTH_INTEL_PSB:
1954 return perf_sample__fprintf_synth_psb(sample, fp);
1955 case PERF_SYNTH_INTEL_EVT:
1956 return perf_sample__fprintf_synth_evt(sample, fp);
1957 case PERF_SYNTH_INTEL_IFLAG_CHG:
1958 return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1959 default:
1960 break;
1961 }
1962
1963 return 0;
1964}
1965
1966static int evlist__max_name_len(struct evlist *evlist)
1967{
1968 struct evsel *evsel;
1969 int max = 0;
1970
1971 evlist__for_each_entry(evlist, evsel) {
1972 int len = strlen(evsel__name(evsel));
1973
1974 max = MAX(len, max);
1975 }
1976
1977 return max;
1978}
1979
1980static int data_src__fprintf(u64 data_src, FILE *fp)
1981{
1982 struct mem_info mi = { .data_src.val = data_src };
1983 char decode[100];
1984 char out[100];
1985 static int maxlen;
1986 int len;
1987
1988 perf_script__meminfo_scnprintf(decode, 100, &mi);
1989
1990 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1991 if (maxlen < len)
1992 maxlen = len;
1993
1994 return fprintf(fp, "%-*s", maxlen, out);
1995}
1996
1997struct metric_ctx {
1998 struct perf_sample *sample;
1999 struct thread *thread;
2000 struct evsel *evsel;
2001 FILE *fp;
2002};
2003
2004static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2005 void *ctx, const char *color,
2006 const char *fmt,
2007 const char *unit, double val)
2008{
2009 struct metric_ctx *mctx = ctx;
2010
2011 if (!fmt)
2012 return;
2013 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2014 PERF_RECORD_SAMPLE, mctx->fp);
2015 fputs("\tmetric: ", mctx->fp);
2016 if (color)
2017 color_fprintf(mctx->fp, color, fmt, val);
2018 else
2019 printf(fmt, val);
2020 fprintf(mctx->fp, " %s\n", unit);
2021}
2022
2023static void script_new_line(struct perf_stat_config *config __maybe_unused,
2024 void *ctx)
2025{
2026 struct metric_ctx *mctx = ctx;
2027
2028 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2029 PERF_RECORD_SAMPLE, mctx->fp);
2030 fputs("\tmetric: ", mctx->fp);
2031}
2032
2033static void perf_sample__fprint_metric(struct perf_script *script,
2034 struct thread *thread,
2035 struct evsel *evsel,
2036 struct perf_sample *sample,
2037 FILE *fp)
2038{
2039 struct evsel *leader = evsel__leader(evsel);
2040 struct perf_stat_output_ctx ctx = {
2041 .print_metric = script_print_metric,
2042 .new_line = script_new_line,
2043 .ctx = &(struct metric_ctx) {
2044 .sample = sample,
2045 .thread = thread,
2046 .evsel = evsel,
2047 .fp = fp,
2048 },
2049 .force_header = false,
2050 };
2051 struct evsel *ev2;
2052 u64 val;
2053
2054 if (!evsel->stats)
2055 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2056 if (evsel_script(leader)->gnum++ == 0)
2057 perf_stat__reset_shadow_stats();
2058 val = sample->period * evsel->scale;
2059 perf_stat__update_shadow_stats(evsel,
2060 val,
2061 sample->cpu,
2062 &rt_stat);
2063 evsel_script(evsel)->val = val;
2064 if (evsel_script(leader)->gnum == leader->core.nr_members) {
2065 for_each_group_member (ev2, leader) {
2066 perf_stat__print_shadow_stats(&stat_config, ev2,
2067 evsel_script(ev2)->val,
2068 sample->cpu,
2069 &ctx,
2070 NULL,
2071 &rt_stat);
2072 }
2073 evsel_script(leader)->gnum = 0;
2074 }
2075}
2076
2077static bool show_event(struct perf_sample *sample,
2078 struct evsel *evsel,
2079 struct thread *thread,
2080 struct addr_location *al,
2081 struct addr_location *addr_al)
2082{
2083 int depth = thread_stack__depth(thread, sample->cpu);
2084
2085 if (!symbol_conf.graph_function)
2086 return true;
2087
2088 if (thread->filter) {
2089 if (depth <= thread->filter_entry_depth) {
2090 thread->filter = false;
2091 return false;
2092 }
2093 return true;
2094 } else {
2095 const char *s = symbol_conf.graph_function;
2096 u64 ip;
2097 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2098 &ip);
2099 unsigned nlen;
2100
2101 if (!name)
2102 return false;
2103 nlen = strlen(name);
2104 while (*s) {
2105 unsigned len = strcspn(s, ",");
2106 if (nlen == len && !strncmp(name, s, len)) {
2107 thread->filter = true;
2108 thread->filter_entry_depth = depth;
2109 return true;
2110 }
2111 s += len;
2112 if (*s == ',')
2113 s++;
2114 }
2115 return false;
2116 }
2117}
2118
2119static void process_event(struct perf_script *script,
2120 struct perf_sample *sample, struct evsel *evsel,
2121 struct addr_location *al,
2122 struct addr_location *addr_al,
2123 struct machine *machine)
2124{
2125 struct thread *thread = al->thread;
2126 struct perf_event_attr *attr = &evsel->core.attr;
2127 unsigned int type = output_type(attr->type);
2128 struct evsel_script *es = evsel->priv;
2129 FILE *fp = es->fp;
2130 char str[PAGE_SIZE_NAME_LEN];
2131 const char *arch = perf_env__arch(machine->env);
2132
2133 if (output[type].fields == 0)
2134 return;
2135
2136 ++es->samples;
2137
2138 perf_sample__fprintf_start(script, sample, thread, evsel,
2139 PERF_RECORD_SAMPLE, fp);
2140
2141 if (PRINT_FIELD(PERIOD))
2142 fprintf(fp, "%10" PRIu64 " ", sample->period);
2143
2144 if (PRINT_FIELD(EVNAME)) {
2145 const char *evname = evsel__name(evsel);
2146
2147 if (!script->name_width)
2148 script->name_width = evlist__max_name_len(script->session->evlist);
2149
2150 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2151 }
2152
2153 if (print_flags)
2154 perf_sample__fprintf_flags(sample->flags, fp);
2155
2156 if (is_bts_event(attr)) {
2157 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2158 return;
2159 }
2160#ifdef HAVE_LIBTRACEEVENT
2161 if (PRINT_FIELD(TRACE) && sample->raw_data) {
2162 event_format__fprintf(evsel->tp_format, sample->cpu,
2163 sample->raw_data, sample->raw_size, fp);
2164 }
2165#endif
2166 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2167 perf_sample__fprintf_synth(sample, evsel, fp);
2168
2169 if (PRINT_FIELD(ADDR))
2170 perf_sample__fprintf_addr(sample, thread, attr, fp);
2171
2172 if (PRINT_FIELD(DATA_SRC))
2173 data_src__fprintf(sample->data_src, fp);
2174
2175 if (PRINT_FIELD(WEIGHT))
2176 fprintf(fp, "%16" PRIu64, sample->weight);
2177
2178 if (PRINT_FIELD(INS_LAT))
2179 fprintf(fp, "%16" PRIu16, sample->ins_lat);
2180
2181 if (PRINT_FIELD(IP)) {
2182 struct callchain_cursor *cursor = NULL;
2183
2184 if (script->stitch_lbr)
2185 al->thread->lbr_stitch_enable = true;
2186
2187 if (symbol_conf.use_callchain && sample->callchain &&
2188 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2189 sample, NULL, NULL, scripting_max_stack) == 0)
2190 cursor = &callchain_cursor;
2191
2192 fputc(cursor ? '\n' : ' ', fp);
2193 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2194 symbol_conf.bt_stop_list, fp);
2195 }
2196
2197 if (PRINT_FIELD(IREGS))
2198 perf_sample__fprintf_iregs(sample, attr, arch, fp);
2199
2200 if (PRINT_FIELD(UREGS))
2201 perf_sample__fprintf_uregs(sample, attr, arch, fp);
2202
2203 if (PRINT_FIELD(BRSTACK))
2204 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2205 else if (PRINT_FIELD(BRSTACKSYM))
2206 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2207 else if (PRINT_FIELD(BRSTACKOFF))
2208 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2209
2210 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2211 perf_sample__fprintf_bpf_output(sample, fp);
2212 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2213
2214 if (PRINT_FIELD(PHYS_ADDR))
2215 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2216
2217 if (PRINT_FIELD(DATA_PAGE_SIZE))
2218 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2219
2220 if (PRINT_FIELD(CODE_PAGE_SIZE))
2221 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2222
2223 perf_sample__fprintf_ipc(sample, attr, fp);
2224
2225 fprintf(fp, "\n");
2226
2227 if (PRINT_FIELD(SRCCODE)) {
2228 if (map__fprintf_srccode(al->map, al->addr, stdout,
2229 &thread->srccode_state))
2230 printf("\n");
2231 }
2232
2233 if (PRINT_FIELD(METRIC))
2234 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2235
2236 if (verbose > 0)
2237 fflush(fp);
2238}
2239
2240static struct scripting_ops *scripting_ops;
2241
2242static void __process_stat(struct evsel *counter, u64 tstamp)
2243{
2244 int nthreads = perf_thread_map__nr(counter->core.threads);
2245 int idx, thread;
2246 struct perf_cpu cpu;
2247 static int header_printed;
2248
2249 if (!header_printed) {
2250 printf("%3s %8s %15s %15s %15s %15s %s\n",
2251 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2252 header_printed = 1;
2253 }
2254
2255 for (thread = 0; thread < nthreads; thread++) {
2256 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2257 struct perf_counts_values *counts;
2258
2259 counts = perf_counts(counter->counts, idx, thread);
2260
2261 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2262 cpu.cpu,
2263 perf_thread_map__pid(counter->core.threads, thread),
2264 counts->val,
2265 counts->ena,
2266 counts->run,
2267 tstamp,
2268 evsel__name(counter));
2269 }
2270 }
2271}
2272
2273static void process_stat(struct evsel *counter, u64 tstamp)
2274{
2275 if (scripting_ops && scripting_ops->process_stat)
2276 scripting_ops->process_stat(&stat_config, counter, tstamp);
2277 else
2278 __process_stat(counter, tstamp);
2279}
2280
2281static void process_stat_interval(u64 tstamp)
2282{
2283 if (scripting_ops && scripting_ops->process_stat_interval)
2284 scripting_ops->process_stat_interval(tstamp);
2285}
2286
2287static void setup_scripting(void)
2288{
2289#ifdef HAVE_LIBTRACEEVENT
2290 setup_perl_scripting();
2291 setup_python_scripting();
2292#endif
2293}
2294
2295static int flush_scripting(void)
2296{
2297 return scripting_ops ? scripting_ops->flush_script() : 0;
2298}
2299
2300static int cleanup_scripting(void)
2301{
2302 pr_debug("\nperf script stopped\n");
2303
2304 return scripting_ops ? scripting_ops->stop_script() : 0;
2305}
2306
2307static bool filter_cpu(struct perf_sample *sample)
2308{
2309 if (cpu_list && sample->cpu != (u32)-1)
2310 return !test_bit(sample->cpu, cpu_bitmap);
2311 return false;
2312}
2313
2314static int process_sample_event(struct perf_tool *tool,
2315 union perf_event *event,
2316 struct perf_sample *sample,
2317 struct evsel *evsel,
2318 struct machine *machine)
2319{
2320 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2321 struct addr_location al;
2322 struct addr_location addr_al;
2323 int ret = 0;
2324
2325 /* Set thread to NULL to indicate addr_al and al are not initialized */
2326 addr_al.thread = NULL;
2327 al.thread = NULL;
2328
2329 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2330 if (ret) {
2331 if (ret > 0)
2332 ret = 0;
2333 goto out_put;
2334 }
2335
2336 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2337 sample->time)) {
2338 goto out_put;
2339 }
2340
2341 if (debug_mode) {
2342 if (sample->time < last_timestamp) {
2343 pr_err("Samples misordered, previous: %" PRIu64
2344 " this: %" PRIu64 "\n", last_timestamp,
2345 sample->time);
2346 nr_unordered++;
2347 }
2348 last_timestamp = sample->time;
2349 goto out_put;
2350 }
2351
2352 if (filter_cpu(sample))
2353 goto out_put;
2354
2355 if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2356 pr_err("problem processing %d event, skipping it.\n",
2357 event->header.type);
2358 ret = -1;
2359 goto out_put;
2360 }
2361
2362 if (al.filtered)
2363 goto out_put;
2364
2365 if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2366 goto out_put;
2367
2368 if (evswitch__discard(&scr->evswitch, evsel))
2369 goto out_put;
2370
2371 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2372 if (ret) {
2373 if (ret > 0)
2374 ret = 0;
2375 goto out_put;
2376 }
2377
2378 if (scripting_ops) {
2379 struct addr_location *addr_al_ptr = NULL;
2380
2381 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2382 sample_addr_correlates_sym(&evsel->core.attr)) {
2383 if (!addr_al.thread)
2384 thread__resolve(al.thread, &addr_al, sample);
2385 addr_al_ptr = &addr_al;
2386 }
2387 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2388 } else {
2389 process_event(scr, sample, evsel, &al, &addr_al, machine);
2390 }
2391
2392out_put:
2393 if (al.thread)
2394 addr_location__put(&al);
2395 return ret;
2396}
2397
2398static int process_attr(struct perf_tool *tool, union perf_event *event,
2399 struct evlist **pevlist)
2400{
2401 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2402 struct evlist *evlist;
2403 struct evsel *evsel, *pos;
2404 u64 sample_type;
2405 int err;
2406 static struct evsel_script *es;
2407
2408 err = perf_event__process_attr(tool, event, pevlist);
2409 if (err)
2410 return err;
2411
2412 evlist = *pevlist;
2413 evsel = evlist__last(*pevlist);
2414
2415 if (!evsel->priv) {
2416 if (scr->per_event_dump) {
2417 evsel->priv = evsel_script__new(evsel, scr->session->data);
2418 } else {
2419 es = zalloc(sizeof(*es));
2420 if (!es)
2421 return -ENOMEM;
2422 es->fp = stdout;
2423 evsel->priv = es;
2424 }
2425 }
2426
2427 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2428 evsel->core.attr.type != PERF_TYPE_SYNTH)
2429 return 0;
2430
2431 evlist__for_each_entry(evlist, pos) {
2432 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2433 return 0;
2434 }
2435
2436 if (evsel->core.attr.sample_type) {
2437 err = evsel__check_attr(evsel, scr->session);
2438 if (err)
2439 return err;
2440 }
2441
2442 /*
2443 * Check if we need to enable callchains based
2444 * on events sample_type.
2445 */
2446 sample_type = evlist__combined_sample_type(evlist);
2447 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2448
2449 /* Enable fields for callchain entries */
2450 if (symbol_conf.use_callchain &&
2451 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2452 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2453 (sample_type & PERF_SAMPLE_REGS_USER &&
2454 sample_type & PERF_SAMPLE_STACK_USER))) {
2455 int type = output_type(evsel->core.attr.type);
2456
2457 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2458 output[type].fields |= PERF_OUTPUT_IP;
2459 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2460 output[type].fields |= PERF_OUTPUT_SYM;
2461 }
2462 set_print_ip_opts(&evsel->core.attr);
2463 return 0;
2464}
2465
2466static int print_event_with_time(struct perf_tool *tool,
2467 union perf_event *event,
2468 struct perf_sample *sample,
2469 struct machine *machine,
2470 pid_t pid, pid_t tid, u64 timestamp)
2471{
2472 struct perf_script *script = container_of(tool, struct perf_script, tool);
2473 struct perf_session *session = script->session;
2474 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2475 struct thread *thread = NULL;
2476
2477 if (evsel && !evsel->core.attr.sample_id_all) {
2478 sample->cpu = 0;
2479 sample->time = timestamp;
2480 sample->pid = pid;
2481 sample->tid = tid;
2482 }
2483
2484 if (filter_cpu(sample))
2485 return 0;
2486
2487 if (tid != -1)
2488 thread = machine__findnew_thread(machine, pid, tid);
2489
2490 if (evsel) {
2491 perf_sample__fprintf_start(script, sample, thread, evsel,
2492 event->header.type, stdout);
2493 }
2494
2495 perf_event__fprintf(event, machine, stdout);
2496
2497 thread__put(thread);
2498
2499 return 0;
2500}
2501
2502static int print_event(struct perf_tool *tool, union perf_event *event,
2503 struct perf_sample *sample, struct machine *machine,
2504 pid_t pid, pid_t tid)
2505{
2506 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2507}
2508
2509static int process_comm_event(struct perf_tool *tool,
2510 union perf_event *event,
2511 struct perf_sample *sample,
2512 struct machine *machine)
2513{
2514 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2515 return -1;
2516
2517 return print_event(tool, event, sample, machine, event->comm.pid,
2518 event->comm.tid);
2519}
2520
2521static int process_namespaces_event(struct perf_tool *tool,
2522 union perf_event *event,
2523 struct perf_sample *sample,
2524 struct machine *machine)
2525{
2526 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2527 return -1;
2528
2529 return print_event(tool, event, sample, machine, event->namespaces.pid,
2530 event->namespaces.tid);
2531}
2532
2533static int process_cgroup_event(struct perf_tool *tool,
2534 union perf_event *event,
2535 struct perf_sample *sample,
2536 struct machine *machine)
2537{
2538 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2539 return -1;
2540
2541 return print_event(tool, event, sample, machine, sample->pid,
2542 sample->tid);
2543}
2544
2545static int process_fork_event(struct perf_tool *tool,
2546 union perf_event *event,
2547 struct perf_sample *sample,
2548 struct machine *machine)
2549{
2550 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2551 return -1;
2552
2553 return print_event_with_time(tool, event, sample, machine,
2554 event->fork.pid, event->fork.tid,
2555 event->fork.time);
2556}
2557static int process_exit_event(struct perf_tool *tool,
2558 union perf_event *event,
2559 struct perf_sample *sample,
2560 struct machine *machine)
2561{
2562 /* Print before 'exit' deletes anything */
2563 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2564 event->fork.tid, event->fork.time))
2565 return -1;
2566
2567 return perf_event__process_exit(tool, event, sample, machine);
2568}
2569
2570static int process_mmap_event(struct perf_tool *tool,
2571 union perf_event *event,
2572 struct perf_sample *sample,
2573 struct machine *machine)
2574{
2575 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2576 return -1;
2577
2578 return print_event(tool, event, sample, machine, event->mmap.pid,
2579 event->mmap.tid);
2580}
2581
2582static int process_mmap2_event(struct perf_tool *tool,
2583 union perf_event *event,
2584 struct perf_sample *sample,
2585 struct machine *machine)
2586{
2587 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2588 return -1;
2589
2590 return print_event(tool, event, sample, machine, event->mmap2.pid,
2591 event->mmap2.tid);
2592}
2593
2594static int process_switch_event(struct perf_tool *tool,
2595 union perf_event *event,
2596 struct perf_sample *sample,
2597 struct machine *machine)
2598{
2599 struct perf_script *script = container_of(tool, struct perf_script, tool);
2600
2601 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2602 return -1;
2603
2604 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2605 scripting_ops->process_switch(event, sample, machine);
2606
2607 if (!script->show_switch_events)
2608 return 0;
2609
2610 return print_event(tool, event, sample, machine, sample->pid,
2611 sample->tid);
2612}
2613
2614static int process_auxtrace_error(struct perf_session *session,
2615 union perf_event *event)
2616{
2617 if (scripting_ops && scripting_ops->process_auxtrace_error) {
2618 scripting_ops->process_auxtrace_error(session, event);
2619 return 0;
2620 }
2621
2622 return perf_event__process_auxtrace_error(session, event);
2623}
2624
2625static int
2626process_lost_event(struct perf_tool *tool,
2627 union perf_event *event,
2628 struct perf_sample *sample,
2629 struct machine *machine)
2630{
2631 return print_event(tool, event, sample, machine, sample->pid,
2632 sample->tid);
2633}
2634
2635static int
2636process_throttle_event(struct perf_tool *tool __maybe_unused,
2637 union perf_event *event,
2638 struct perf_sample *sample,
2639 struct machine *machine)
2640{
2641 if (scripting_ops && scripting_ops->process_throttle)
2642 scripting_ops->process_throttle(event, sample, machine);
2643 return 0;
2644}
2645
2646static int
2647process_finished_round_event(struct perf_tool *tool __maybe_unused,
2648 union perf_event *event,
2649 struct ordered_events *oe __maybe_unused)
2650
2651{
2652 perf_event__fprintf(event, NULL, stdout);
2653 return 0;
2654}
2655
2656static int
2657process_bpf_events(struct perf_tool *tool __maybe_unused,
2658 union perf_event *event,
2659 struct perf_sample *sample,
2660 struct machine *machine)
2661{
2662 if (machine__process_ksymbol(machine, event, sample) < 0)
2663 return -1;
2664
2665 return print_event(tool, event, sample, machine, sample->pid,
2666 sample->tid);
2667}
2668
2669static int process_text_poke_events(struct perf_tool *tool,
2670 union perf_event *event,
2671 struct perf_sample *sample,
2672 struct machine *machine)
2673{
2674 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2675 return -1;
2676
2677 return print_event(tool, event, sample, machine, sample->pid,
2678 sample->tid);
2679}
2680
2681static void sig_handler(int sig __maybe_unused)
2682{
2683 session_done = 1;
2684}
2685
2686static void perf_script__fclose_per_event_dump(struct perf_script *script)
2687{
2688 struct evlist *evlist = script->session->evlist;
2689 struct evsel *evsel;
2690
2691 evlist__for_each_entry(evlist, evsel) {
2692 if (!evsel->priv)
2693 break;
2694 evsel_script__delete(evsel->priv);
2695 evsel->priv = NULL;
2696 }
2697}
2698
2699static int perf_script__fopen_per_event_dump(struct perf_script *script)
2700{
2701 struct evsel *evsel;
2702
2703 evlist__for_each_entry(script->session->evlist, evsel) {
2704 /*
2705 * Already setup? I.e. we may be called twice in cases like
2706 * Intel PT, one for the intel_pt// and dummy events, then
2707 * for the evsels synthesized from the auxtrace info.
2708 *
2709 * Ses perf_script__process_auxtrace_info.
2710 */
2711 if (evsel->priv != NULL)
2712 continue;
2713
2714 evsel->priv = evsel_script__new(evsel, script->session->data);
2715 if (evsel->priv == NULL)
2716 goto out_err_fclose;
2717 }
2718
2719 return 0;
2720
2721out_err_fclose:
2722 perf_script__fclose_per_event_dump(script);
2723 return -1;
2724}
2725
2726static int perf_script__setup_per_event_dump(struct perf_script *script)
2727{
2728 struct evsel *evsel;
2729 static struct evsel_script es_stdout;
2730
2731 if (script->per_event_dump)
2732 return perf_script__fopen_per_event_dump(script);
2733
2734 es_stdout.fp = stdout;
2735
2736 evlist__for_each_entry(script->session->evlist, evsel)
2737 evsel->priv = &es_stdout;
2738
2739 return 0;
2740}
2741
2742static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2743{
2744 struct evsel *evsel;
2745
2746 evlist__for_each_entry(script->session->evlist, evsel) {
2747 struct evsel_script *es = evsel->priv;
2748
2749 evsel_script__fprintf(es, stdout);
2750 evsel_script__delete(es);
2751 evsel->priv = NULL;
2752 }
2753}
2754
2755static void perf_script__exit(struct perf_script *script)
2756{
2757 perf_thread_map__put(script->threads);
2758 perf_cpu_map__put(script->cpus);
2759}
2760
2761static int __cmd_script(struct perf_script *script)
2762{
2763 int ret;
2764
2765 signal(SIGINT, sig_handler);
2766
2767 perf_stat__init_shadow_stats();
2768
2769 /* override event processing functions */
2770 if (script->show_task_events) {
2771 script->tool.comm = process_comm_event;
2772 script->tool.fork = process_fork_event;
2773 script->tool.exit = process_exit_event;
2774 }
2775 if (script->show_mmap_events) {
2776 script->tool.mmap = process_mmap_event;
2777 script->tool.mmap2 = process_mmap2_event;
2778 }
2779 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2780 script->tool.context_switch = process_switch_event;
2781 if (scripting_ops && scripting_ops->process_auxtrace_error)
2782 script->tool.auxtrace_error = process_auxtrace_error;
2783 if (script->show_namespace_events)
2784 script->tool.namespaces = process_namespaces_event;
2785 if (script->show_cgroup_events)
2786 script->tool.cgroup = process_cgroup_event;
2787 if (script->show_lost_events)
2788 script->tool.lost = process_lost_event;
2789 if (script->show_round_events) {
2790 script->tool.ordered_events = false;
2791 script->tool.finished_round = process_finished_round_event;
2792 }
2793 if (script->show_bpf_events) {
2794 script->tool.ksymbol = process_bpf_events;
2795 script->tool.bpf = process_bpf_events;
2796 }
2797 if (script->show_text_poke_events) {
2798 script->tool.ksymbol = process_bpf_events;
2799 script->tool.text_poke = process_text_poke_events;
2800 }
2801
2802 if (perf_script__setup_per_event_dump(script)) {
2803 pr_err("Couldn't create the per event dump files\n");
2804 return -1;
2805 }
2806
2807 ret = perf_session__process_events(script->session);
2808
2809 if (script->per_event_dump)
2810 perf_script__exit_per_event_dump_stats(script);
2811
2812 if (debug_mode)
2813 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2814
2815 return ret;
2816}
2817
2818struct script_spec {
2819 struct list_head node;
2820 struct scripting_ops *ops;
2821 char spec[];
2822};
2823
2824static LIST_HEAD(script_specs);
2825
2826static struct script_spec *script_spec__new(const char *spec,
2827 struct scripting_ops *ops)
2828{
2829 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2830
2831 if (s != NULL) {
2832 strcpy(s->spec, spec);
2833 s->ops = ops;
2834 }
2835
2836 return s;
2837}
2838
2839static void script_spec__add(struct script_spec *s)
2840{
2841 list_add_tail(&s->node, &script_specs);
2842}
2843
2844static struct script_spec *script_spec__find(const char *spec)
2845{
2846 struct script_spec *s;
2847
2848 list_for_each_entry(s, &script_specs, node)
2849 if (strcasecmp(s->spec, spec) == 0)
2850 return s;
2851 return NULL;
2852}
2853
2854int script_spec_register(const char *spec, struct scripting_ops *ops)
2855{
2856 struct script_spec *s;
2857
2858 s = script_spec__find(spec);
2859 if (s)
2860 return -1;
2861
2862 s = script_spec__new(spec, ops);
2863 if (!s)
2864 return -1;
2865 else
2866 script_spec__add(s);
2867
2868 return 0;
2869}
2870
2871static struct scripting_ops *script_spec__lookup(const char *spec)
2872{
2873 struct script_spec *s = script_spec__find(spec);
2874 if (!s)
2875 return NULL;
2876
2877 return s->ops;
2878}
2879
2880static void list_available_languages(void)
2881{
2882 struct script_spec *s;
2883
2884 fprintf(stderr, "\n");
2885 fprintf(stderr, "Scripting language extensions (used in "
2886 "perf script -s [spec:]script.[spec]):\n\n");
2887
2888 list_for_each_entry(s, &script_specs, node)
2889 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2890
2891 fprintf(stderr, "\n");
2892}
2893
2894/* Find script file relative to current directory or exec path */
2895static char *find_script(const char *script)
2896{
2897 char path[PATH_MAX];
2898
2899 if (!scripting_ops) {
2900 const char *ext = strrchr(script, '.');
2901
2902 if (!ext)
2903 return NULL;
2904
2905 scripting_ops = script_spec__lookup(++ext);
2906 if (!scripting_ops)
2907 return NULL;
2908 }
2909
2910 if (access(script, R_OK)) {
2911 char *exec_path = get_argv_exec_path();
2912
2913 if (!exec_path)
2914 return NULL;
2915 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2916 exec_path, scripting_ops->dirname, script);
2917 free(exec_path);
2918 script = path;
2919 if (access(script, R_OK))
2920 return NULL;
2921 }
2922 return strdup(script);
2923}
2924
2925static int parse_scriptname(const struct option *opt __maybe_unused,
2926 const char *str, int unset __maybe_unused)
2927{
2928 char spec[PATH_MAX];
2929 const char *script, *ext;
2930 int len;
2931
2932 if (strcmp(str, "lang") == 0) {
2933 list_available_languages();
2934 exit(0);
2935 }
2936
2937 script = strchr(str, ':');
2938 if (script) {
2939 len = script - str;
2940 if (len >= PATH_MAX) {
2941 fprintf(stderr, "invalid language specifier");
2942 return -1;
2943 }
2944 strncpy(spec, str, len);
2945 spec[len] = '\0';
2946 scripting_ops = script_spec__lookup(spec);
2947 if (!scripting_ops) {
2948 fprintf(stderr, "invalid language specifier");
2949 return -1;
2950 }
2951 script++;
2952 } else {
2953 script = str;
2954 ext = strrchr(script, '.');
2955 if (!ext) {
2956 fprintf(stderr, "invalid script extension");
2957 return -1;
2958 }
2959 scripting_ops = script_spec__lookup(++ext);
2960 if (!scripting_ops) {
2961 fprintf(stderr, "invalid script extension");
2962 return -1;
2963 }
2964 }
2965
2966 script_name = find_script(script);
2967 if (!script_name)
2968 script_name = strdup(script);
2969
2970 return 0;
2971}
2972
2973static int parse_output_fields(const struct option *opt __maybe_unused,
2974 const char *arg, int unset __maybe_unused)
2975{
2976 char *tok, *strtok_saveptr = NULL;
2977 int i, imax = ARRAY_SIZE(all_output_options);
2978 int j;
2979 int rc = 0;
2980 char *str = strdup(arg);
2981 int type = -1;
2982 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2983
2984 if (!str)
2985 return -ENOMEM;
2986
2987 /* first word can state for which event type the user is specifying
2988 * the fields. If no type exists, the specified fields apply to all
2989 * event types found in the file minus the invalid fields for a type.
2990 */
2991 tok = strchr(str, ':');
2992 if (tok) {
2993 *tok = '\0';
2994 tok++;
2995 if (!strcmp(str, "hw"))
2996 type = PERF_TYPE_HARDWARE;
2997 else if (!strcmp(str, "sw"))
2998 type = PERF_TYPE_SOFTWARE;
2999 else if (!strcmp(str, "trace"))
3000 type = PERF_TYPE_TRACEPOINT;
3001 else if (!strcmp(str, "raw"))
3002 type = PERF_TYPE_RAW;
3003 else if (!strcmp(str, "break"))
3004 type = PERF_TYPE_BREAKPOINT;
3005 else if (!strcmp(str, "synth"))
3006 type = OUTPUT_TYPE_SYNTH;
3007 else {
3008 fprintf(stderr, "Invalid event type in field string.\n");
3009 rc = -EINVAL;
3010 goto out;
3011 }
3012
3013 if (output[type].user_set)
3014 pr_warning("Overriding previous field request for %s events.\n",
3015 event_type(type));
3016
3017 /* Don't override defaults for +- */
3018 if (strchr(tok, '+') || strchr(tok, '-'))
3019 goto parse;
3020
3021 output[type].fields = 0;
3022 output[type].user_set = true;
3023 output[type].wildcard_set = false;
3024
3025 } else {
3026 tok = str;
3027 if (strlen(str) == 0) {
3028 fprintf(stderr,
3029 "Cannot set fields to 'none' for all event types.\n");
3030 rc = -EINVAL;
3031 goto out;
3032 }
3033
3034 /* Don't override defaults for +- */
3035 if (strchr(str, '+') || strchr(str, '-'))
3036 goto parse;
3037
3038 if (output_set_by_user())
3039 pr_warning("Overriding previous field request for all events.\n");
3040
3041 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3042 output[j].fields = 0;
3043 output[j].user_set = true;
3044 output[j].wildcard_set = true;
3045 }
3046 }
3047
3048parse:
3049 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3050 if (*tok == '+') {
3051 if (change == SET)
3052 goto out_badmix;
3053 change = ADD;
3054 tok++;
3055 } else if (*tok == '-') {
3056 if (change == SET)
3057 goto out_badmix;
3058 change = REMOVE;
3059 tok++;
3060 } else {
3061 if (change != SET && change != DEFAULT)
3062 goto out_badmix;
3063 change = SET;
3064 }
3065
3066 for (i = 0; i < imax; ++i) {
3067 if (strcmp(tok, all_output_options[i].str) == 0)
3068 break;
3069 }
3070 if (i == imax && strcmp(tok, "flags") == 0) {
3071 print_flags = change != REMOVE;
3072 continue;
3073 }
3074 if (i == imax) {
3075 fprintf(stderr, "Invalid field requested.\n");
3076 rc = -EINVAL;
3077 goto out;
3078 }
3079
3080 if (type == -1) {
3081 /* add user option to all events types for
3082 * which it is valid
3083 */
3084 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3085 if (output[j].invalid_fields & all_output_options[i].field) {
3086 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3087 all_output_options[i].str, event_type(j));
3088 } else {
3089 if (change == REMOVE) {
3090 output[j].fields &= ~all_output_options[i].field;
3091 output[j].user_set_fields &= ~all_output_options[i].field;
3092 output[j].user_unset_fields |= all_output_options[i].field;
3093 } else {
3094 output[j].fields |= all_output_options[i].field;
3095 output[j].user_set_fields |= all_output_options[i].field;
3096 output[j].user_unset_fields &= ~all_output_options[i].field;
3097 }
3098 output[j].user_set = true;
3099 output[j].wildcard_set = true;
3100 }
3101 }
3102 } else {
3103 if (output[type].invalid_fields & all_output_options[i].field) {
3104 fprintf(stderr, "\'%s\' not valid for %s events.\n",
3105 all_output_options[i].str, event_type(type));
3106
3107 rc = -EINVAL;
3108 goto out;
3109 }
3110 if (change == REMOVE)
3111 output[type].fields &= ~all_output_options[i].field;
3112 else
3113 output[type].fields |= all_output_options[i].field;
3114 output[type].user_set = true;
3115 output[type].wildcard_set = true;
3116 }
3117 }
3118
3119 if (type >= 0) {
3120 if (output[type].fields == 0) {
3121 pr_debug("No fields requested for %s type. "
3122 "Events will not be displayed.\n", event_type(type));
3123 }
3124 }
3125 goto out;
3126
3127out_badmix:
3128 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3129 rc = -EINVAL;
3130out:
3131 free(str);
3132 return rc;
3133}
3134
3135#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
3136 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
3137 if ((lang_dirent->d_type == DT_DIR || \
3138 (lang_dirent->d_type == DT_UNKNOWN && \
3139 is_directory(scripts_path, lang_dirent))) && \
3140 (strcmp(lang_dirent->d_name, ".")) && \
3141 (strcmp(lang_dirent->d_name, "..")))
3142
3143#define for_each_script(lang_path, lang_dir, script_dirent) \
3144 while ((script_dirent = readdir(lang_dir)) != NULL) \
3145 if (script_dirent->d_type != DT_DIR && \
3146 (script_dirent->d_type != DT_UNKNOWN || \
3147 !is_directory(lang_path, script_dirent)))
3148
3149
3150#define RECORD_SUFFIX "-record"
3151#define REPORT_SUFFIX "-report"
3152
3153struct script_desc {
3154 struct list_head node;
3155 char *name;
3156 char *half_liner;
3157 char *args;
3158};
3159
3160static LIST_HEAD(script_descs);
3161
3162static struct script_desc *script_desc__new(const char *name)
3163{
3164 struct script_desc *s = zalloc(sizeof(*s));
3165
3166 if (s != NULL && name)
3167 s->name = strdup(name);
3168
3169 return s;
3170}
3171
3172static void script_desc__delete(struct script_desc *s)
3173{
3174 zfree(&s->name);
3175 zfree(&s->half_liner);
3176 zfree(&s->args);
3177 free(s);
3178}
3179
3180static void script_desc__add(struct script_desc *s)
3181{
3182 list_add_tail(&s->node, &script_descs);
3183}
3184
3185static struct script_desc *script_desc__find(const char *name)
3186{
3187 struct script_desc *s;
3188
3189 list_for_each_entry(s, &script_descs, node)
3190 if (strcasecmp(s->name, name) == 0)
3191 return s;
3192 return NULL;
3193}
3194
3195static struct script_desc *script_desc__findnew(const char *name)
3196{
3197 struct script_desc *s = script_desc__find(name);
3198
3199 if (s)
3200 return s;
3201
3202 s = script_desc__new(name);
3203 if (!s)
3204 return NULL;
3205
3206 script_desc__add(s);
3207
3208 return s;
3209}
3210
3211static const char *ends_with(const char *str, const char *suffix)
3212{
3213 size_t suffix_len = strlen(suffix);
3214 const char *p = str;
3215
3216 if (strlen(str) > suffix_len) {
3217 p = str + strlen(str) - suffix_len;
3218 if (!strncmp(p, suffix, suffix_len))
3219 return p;
3220 }
3221
3222 return NULL;
3223}
3224
3225static int read_script_info(struct script_desc *desc, const char *filename)
3226{
3227 char line[BUFSIZ], *p;
3228 FILE *fp;
3229
3230 fp = fopen(filename, "r");
3231 if (!fp)
3232 return -1;
3233
3234 while (fgets(line, sizeof(line), fp)) {
3235 p = skip_spaces(line);
3236 if (strlen(p) == 0)
3237 continue;
3238 if (*p != '#')
3239 continue;
3240 p++;
3241 if (strlen(p) && *p == '!')
3242 continue;
3243
3244 p = skip_spaces(p);
3245 if (strlen(p) && p[strlen(p) - 1] == '\n')
3246 p[strlen(p) - 1] = '\0';
3247
3248 if (!strncmp(p, "description:", strlen("description:"))) {
3249 p += strlen("description:");
3250 desc->half_liner = strdup(skip_spaces(p));
3251 continue;
3252 }
3253
3254 if (!strncmp(p, "args:", strlen("args:"))) {
3255 p += strlen("args:");
3256 desc->args = strdup(skip_spaces(p));
3257 continue;
3258 }
3259 }
3260
3261 fclose(fp);
3262
3263 return 0;
3264}
3265
3266static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3267{
3268 char *script_root, *str;
3269
3270 script_root = strdup(script_dirent->d_name);
3271 if (!script_root)
3272 return NULL;
3273
3274 str = (char *)ends_with(script_root, suffix);
3275 if (!str) {
3276 free(script_root);
3277 return NULL;
3278 }
3279
3280 *str = '\0';
3281 return script_root;
3282}
3283
3284static int list_available_scripts(const struct option *opt __maybe_unused,
3285 const char *s __maybe_unused,
3286 int unset __maybe_unused)
3287{
3288 struct dirent *script_dirent, *lang_dirent;
3289 char scripts_path[MAXPATHLEN];
3290 DIR *scripts_dir, *lang_dir;
3291 char script_path[MAXPATHLEN];
3292 char lang_path[MAXPATHLEN];
3293 struct script_desc *desc;
3294 char first_half[BUFSIZ];
3295 char *script_root;
3296
3297 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3298
3299 scripts_dir = opendir(scripts_path);
3300 if (!scripts_dir) {
3301 fprintf(stdout,
3302 "open(%s) failed.\n"
3303 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3304 scripts_path);
3305 exit(-1);
3306 }
3307
3308 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3309 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3310 lang_dirent->d_name);
3311 lang_dir = opendir(lang_path);
3312 if (!lang_dir)
3313 continue;
3314
3315 for_each_script(lang_path, lang_dir, script_dirent) {
3316 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3317 if (script_root) {
3318 desc = script_desc__findnew(script_root);
3319 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3320 lang_path, script_dirent->d_name);
3321 read_script_info(desc, script_path);
3322 free(script_root);
3323 }
3324 }
3325 }
3326
3327 fprintf(stdout, "List of available trace scripts:\n");
3328 list_for_each_entry(desc, &script_descs, node) {
3329 sprintf(first_half, "%s %s", desc->name,
3330 desc->args ? desc->args : "");
3331 fprintf(stdout, " %-36s %s\n", first_half,
3332 desc->half_liner ? desc->half_liner : "");
3333 }
3334
3335 exit(0);
3336}
3337
3338static int add_dlarg(const struct option *opt __maybe_unused,
3339 const char *s, int unset __maybe_unused)
3340{
3341 char *arg = strdup(s);
3342 void *a;
3343
3344 if (!arg)
3345 return -1;
3346
3347 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3348 if (!a) {
3349 free(arg);
3350 return -1;
3351 }
3352
3353 dlargv = a;
3354 dlargv[dlargc++] = arg;
3355
3356 return 0;
3357}
3358
3359static void free_dlarg(void)
3360{
3361 while (dlargc--)
3362 free(dlargv[dlargc]);
3363 free(dlargv);
3364}
3365
3366/*
3367 * Some scripts specify the required events in their "xxx-record" file,
3368 * this function will check if the events in perf.data match those
3369 * mentioned in the "xxx-record".
3370 *
3371 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3372 * which is covered well now. And new parsing code should be added to
3373 * cover the future complex formats like event groups etc.
3374 */
3375static int check_ev_match(char *dir_name, char *scriptname,
3376 struct perf_session *session)
3377{
3378 char filename[MAXPATHLEN], evname[128];
3379 char line[BUFSIZ], *p;
3380 struct evsel *pos;
3381 int match, len;
3382 FILE *fp;
3383
3384 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3385
3386 fp = fopen(filename, "r");
3387 if (!fp)
3388 return -1;
3389
3390 while (fgets(line, sizeof(line), fp)) {
3391 p = skip_spaces(line);
3392 if (*p == '#')
3393 continue;
3394
3395 while (strlen(p)) {
3396 p = strstr(p, "-e");
3397 if (!p)
3398 break;
3399
3400 p += 2;
3401 p = skip_spaces(p);
3402 len = strcspn(p, " \t");
3403 if (!len)
3404 break;
3405
3406 snprintf(evname, len + 1, "%s", p);
3407
3408 match = 0;
3409 evlist__for_each_entry(session->evlist, pos) {
3410 if (!strcmp(evsel__name(pos), evname)) {
3411 match = 1;
3412 break;
3413 }
3414 }
3415
3416 if (!match) {
3417 fclose(fp);
3418 return -1;
3419 }
3420 }
3421 }
3422
3423 fclose(fp);
3424 return 0;
3425}
3426
3427/*
3428 * Return -1 if none is found, otherwise the actual scripts number.
3429 *
3430 * Currently the only user of this function is the script browser, which
3431 * will list all statically runnable scripts, select one, execute it and
3432 * show the output in a perf browser.
3433 */
3434int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3435 int pathlen)
3436{
3437 struct dirent *script_dirent, *lang_dirent;
3438 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3439 DIR *scripts_dir, *lang_dir;
3440 struct perf_session *session;
3441 struct perf_data data = {
3442 .path = input_name,
3443 .mode = PERF_DATA_MODE_READ,
3444 };
3445 char *temp;
3446 int i = 0;
3447
3448 session = perf_session__new(&data, NULL);
3449 if (IS_ERR(session))
3450 return PTR_ERR(session);
3451
3452 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3453
3454 scripts_dir = opendir(scripts_path);
3455 if (!scripts_dir) {
3456 perf_session__delete(session);
3457 return -1;
3458 }
3459
3460 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3461 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3462 lang_dirent->d_name);
3463#ifndef HAVE_LIBPERL_SUPPORT
3464 if (strstr(lang_path, "perl"))
3465 continue;
3466#endif
3467#ifndef HAVE_LIBPYTHON_SUPPORT
3468 if (strstr(lang_path, "python"))
3469 continue;
3470#endif
3471
3472 lang_dir = opendir(lang_path);
3473 if (!lang_dir)
3474 continue;
3475
3476 for_each_script(lang_path, lang_dir, script_dirent) {
3477 /* Skip those real time scripts: xxxtop.p[yl] */
3478 if (strstr(script_dirent->d_name, "top."))
3479 continue;
3480 if (i >= num)
3481 break;
3482 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3483 lang_path,
3484 script_dirent->d_name);
3485 temp = strchr(script_dirent->d_name, '.');
3486 snprintf(scripts_array[i],
3487 (temp - script_dirent->d_name) + 1,
3488 "%s", script_dirent->d_name);
3489
3490 if (check_ev_match(lang_path,
3491 scripts_array[i], session))
3492 continue;
3493
3494 i++;
3495 }
3496 closedir(lang_dir);
3497 }
3498
3499 closedir(scripts_dir);
3500 perf_session__delete(session);
3501 return i;
3502}
3503
3504static char *get_script_path(const char *script_root, const char *suffix)
3505{
3506 struct dirent *script_dirent, *lang_dirent;
3507 char scripts_path[MAXPATHLEN];
3508 char script_path[MAXPATHLEN];
3509 DIR *scripts_dir, *lang_dir;
3510 char lang_path[MAXPATHLEN];
3511 char *__script_root;
3512
3513 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3514
3515 scripts_dir = opendir(scripts_path);
3516 if (!scripts_dir)
3517 return NULL;
3518
3519 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3520 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3521 lang_dirent->d_name);
3522 lang_dir = opendir(lang_path);
3523 if (!lang_dir)
3524 continue;
3525
3526 for_each_script(lang_path, lang_dir, script_dirent) {
3527 __script_root = get_script_root(script_dirent, suffix);
3528 if (__script_root && !strcmp(script_root, __script_root)) {
3529 free(__script_root);
3530 closedir(scripts_dir);
3531 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3532 lang_path, script_dirent->d_name);
3533 closedir(lang_dir);
3534 return strdup(script_path);
3535 }
3536 free(__script_root);
3537 }
3538 closedir(lang_dir);
3539 }
3540 closedir(scripts_dir);
3541
3542 return NULL;
3543}
3544
3545static bool is_top_script(const char *script_path)
3546{
3547 return ends_with(script_path, "top") != NULL;
3548}
3549
3550static int has_required_arg(char *script_path)
3551{
3552 struct script_desc *desc;
3553 int n_args = 0;
3554 char *p;
3555
3556 desc = script_desc__new(NULL);
3557
3558 if (read_script_info(desc, script_path))
3559 goto out;
3560
3561 if (!desc->args)
3562 goto out;
3563
3564 for (p = desc->args; *p; p++)
3565 if (*p == '<')
3566 n_args++;
3567out:
3568 script_desc__delete(desc);
3569
3570 return n_args;
3571}
3572
3573static int have_cmd(int argc, const char **argv)
3574{
3575 char **__argv = malloc(sizeof(const char *) * argc);
3576
3577 if (!__argv) {
3578 pr_err("malloc failed\n");
3579 return -1;
3580 }
3581
3582 memcpy(__argv, argv, sizeof(const char *) * argc);
3583 argc = parse_options(argc, (const char **)__argv, record_options,
3584 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3585 free(__argv);
3586
3587 system_wide = (argc == 0);
3588
3589 return 0;
3590}
3591
3592static void script__setup_sample_type(struct perf_script *script)
3593{
3594 struct perf_session *session = script->session;
3595 u64 sample_type = evlist__combined_sample_type(session->evlist);
3596
3597 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3598
3599 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3600 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3601 "Please apply --call-graph lbr when recording.\n");
3602 script->stitch_lbr = false;
3603 }
3604}
3605
3606static int process_stat_round_event(struct perf_session *session,
3607 union perf_event *event)
3608{
3609 struct perf_record_stat_round *round = &event->stat_round;
3610 struct evsel *counter;
3611
3612 evlist__for_each_entry(session->evlist, counter) {
3613 perf_stat_process_counter(&stat_config, counter);
3614 process_stat(counter, round->time);
3615 }
3616
3617 process_stat_interval(round->time);
3618 return 0;
3619}
3620
3621static int process_stat_config_event(struct perf_session *session __maybe_unused,
3622 union perf_event *event)
3623{
3624 perf_event__read_stat_config(&stat_config, &event->stat_config);
3625 return 0;
3626}
3627
3628static int set_maps(struct perf_script *script)
3629{
3630 struct evlist *evlist = script->session->evlist;
3631
3632 if (!script->cpus || !script->threads)
3633 return 0;
3634
3635 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3636 return -EINVAL;
3637
3638 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3639
3640 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3641 return -ENOMEM;
3642
3643 script->allocated = true;
3644 return 0;
3645}
3646
3647static
3648int process_thread_map_event(struct perf_session *session,
3649 union perf_event *event)
3650{
3651 struct perf_tool *tool = session->tool;
3652 struct perf_script *script = container_of(tool, struct perf_script, tool);
3653
3654 if (dump_trace)
3655 perf_event__fprintf_thread_map(event, stdout);
3656
3657 if (script->threads) {
3658 pr_warning("Extra thread map event, ignoring.\n");
3659 return 0;
3660 }
3661
3662 script->threads = thread_map__new_event(&event->thread_map);
3663 if (!script->threads)
3664 return -ENOMEM;
3665
3666 return set_maps(script);
3667}
3668
3669static
3670int process_cpu_map_event(struct perf_session *session,
3671 union perf_event *event)
3672{
3673 struct perf_tool *tool = session->tool;
3674 struct perf_script *script = container_of(tool, struct perf_script, tool);
3675
3676 if (dump_trace)
3677 perf_event__fprintf_cpu_map(event, stdout);
3678
3679 if (script->cpus) {
3680 pr_warning("Extra cpu map event, ignoring.\n");
3681 return 0;
3682 }
3683
3684 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3685 if (!script->cpus)
3686 return -ENOMEM;
3687
3688 return set_maps(script);
3689}
3690
3691static int process_feature_event(struct perf_session *session,
3692 union perf_event *event)
3693{
3694 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3695 return perf_event__process_feature(session, event);
3696 return 0;
3697}
3698
3699#ifdef HAVE_AUXTRACE_SUPPORT
3700static int perf_script__process_auxtrace_info(struct perf_session *session,
3701 union perf_event *event)
3702{
3703 struct perf_tool *tool = session->tool;
3704
3705 int ret = perf_event__process_auxtrace_info(session, event);
3706
3707 if (ret == 0) {
3708 struct perf_script *script = container_of(tool, struct perf_script, tool);
3709
3710 ret = perf_script__setup_per_event_dump(script);
3711 }
3712
3713 return ret;
3714}
3715#else
3716#define perf_script__process_auxtrace_info 0
3717#endif
3718
3719static int parse_insn_trace(const struct option *opt __maybe_unused,
3720 const char *str __maybe_unused,
3721 int unset __maybe_unused)
3722{
3723 parse_output_fields(NULL, "+insn,-event,-period", 0);
3724 itrace_parse_synth_opts(opt, "i0ns", 0);
3725 symbol_conf.nanosecs = true;
3726 return 0;
3727}
3728
3729static int parse_xed(const struct option *opt __maybe_unused,
3730 const char *str __maybe_unused,
3731 int unset __maybe_unused)
3732{
3733 if (isatty(1))
3734 force_pager("xed -F insn: -A -64 | less");
3735 else
3736 force_pager("xed -F insn: -A -64");
3737 return 0;
3738}
3739
3740static int parse_call_trace(const struct option *opt __maybe_unused,
3741 const char *str __maybe_unused,
3742 int unset __maybe_unused)
3743{
3744 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3745 itrace_parse_synth_opts(opt, "cewp", 0);
3746 symbol_conf.nanosecs = true;
3747 symbol_conf.pad_output_len_dso = 50;
3748 return 0;
3749}
3750
3751static int parse_callret_trace(const struct option *opt __maybe_unused,
3752 const char *str __maybe_unused,
3753 int unset __maybe_unused)
3754{
3755 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3756 itrace_parse_synth_opts(opt, "crewp", 0);
3757 symbol_conf.nanosecs = true;
3758 return 0;
3759}
3760
3761int cmd_script(int argc, const char **argv)
3762{
3763 bool show_full_info = false;
3764 bool header = false;
3765 bool header_only = false;
3766 bool script_started = false;
3767 bool unsorted_dump = false;
3768 char *rec_script_path = NULL;
3769 char *rep_script_path = NULL;
3770 struct perf_session *session;
3771 struct itrace_synth_opts itrace_synth_opts = {
3772 .set = false,
3773 .default_no_sample = true,
3774 };
3775 struct utsname uts;
3776 char *script_path = NULL;
3777 const char *dlfilter_file = NULL;
3778 const char **__argv;
3779 int i, j, err = 0;
3780 struct perf_script script = {
3781 .tool = {
3782 .sample = process_sample_event,
3783 .mmap = perf_event__process_mmap,
3784 .mmap2 = perf_event__process_mmap2,
3785 .comm = perf_event__process_comm,
3786 .namespaces = perf_event__process_namespaces,
3787 .cgroup = perf_event__process_cgroup,
3788 .exit = perf_event__process_exit,
3789 .fork = perf_event__process_fork,
3790 .attr = process_attr,
3791 .event_update = perf_event__process_event_update,
3792#ifdef HAVE_LIBTRACEEVENT
3793 .tracing_data = perf_event__process_tracing_data,
3794#endif
3795 .feature = process_feature_event,
3796 .build_id = perf_event__process_build_id,
3797 .id_index = perf_event__process_id_index,
3798 .auxtrace_info = perf_script__process_auxtrace_info,
3799 .auxtrace = perf_event__process_auxtrace,
3800 .auxtrace_error = perf_event__process_auxtrace_error,
3801 .stat = perf_event__process_stat_event,
3802 .stat_round = process_stat_round_event,
3803 .stat_config = process_stat_config_event,
3804 .thread_map = process_thread_map_event,
3805 .cpu_map = process_cpu_map_event,
3806 .throttle = process_throttle_event,
3807 .unthrottle = process_throttle_event,
3808 .ordered_events = true,
3809 .ordering_requires_timestamps = true,
3810 },
3811 };
3812 struct perf_data data = {
3813 .mode = PERF_DATA_MODE_READ,
3814 };
3815 const struct option options[] = {
3816 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3817 "dump raw trace in ASCII"),
3818 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3819 "dump unsorted raw trace in ASCII"),
3820 OPT_INCR('v', "verbose", &verbose,
3821 "be more verbose (show symbol address, etc)"),
3822 OPT_BOOLEAN('L', "Latency", &latency_format,
3823 "show latency attributes (irqs/preemption disabled, etc)"),
3824 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3825 list_available_scripts),
3826 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3827 list_available_dlfilters),
3828 OPT_CALLBACK('s', "script", NULL, "name",
3829 "script file name (lang:script name, script name, or *)",
3830 parse_scriptname),
3831 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3832 "generate perf-script.xx script in specified language"),
3833 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3834 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3835 add_dlarg),
3836 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3837 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3838 "do various checks like samples ordering and lost events"),
3839 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3840 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3841 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3842 "file", "vmlinux pathname"),
3843 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3844 "file", "kallsyms pathname"),
3845 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3846 "When printing symbols do not display call chain"),
3847 OPT_CALLBACK(0, "symfs", NULL, "directory",
3848 "Look for files with symbols relative to this directory",
3849 symbol__config_symfs),
3850 OPT_CALLBACK('F', "fields", NULL, "str",
3851 "comma separated output fields prepend with 'type:'. "
3852 "+field to add and -field to remove."
3853 "Valid types: hw,sw,trace,raw,synth. "
3854 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3855 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3856 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3857 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth,"
3858 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3859 "code_page_size,ins_lat",
3860 parse_output_fields),
3861 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3862 "system-wide collection from all CPUs"),
3863 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3864 "only consider symbols in these DSOs"),
3865 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3866 "only consider these symbols"),
3867 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3868 "Use with -S to list traced records within address range"),
3869 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3870 "Decode instructions from itrace", parse_insn_trace),
3871 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3872 "Run xed disassembler on output", parse_xed),
3873 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3874 "Decode calls from itrace", parse_call_trace),
3875 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3876 "Decode calls and returns from itrace", parse_callret_trace),
3877 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3878 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3879 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3880 "Stop display of callgraph at these symbols"),
3881 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3882 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3883 "only display events for these comms"),
3884 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3885 "only consider symbols in these pids"),
3886 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3887 "only consider symbols in these tids"),
3888 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3889 "Set the maximum stack depth when parsing the callchain, "
3890 "anything beyond the specified depth will be ignored. "
3891 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3892 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3893 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3894 OPT_BOOLEAN('I', "show-info", &show_full_info,
3895 "display extended information from perf.data file"),
3896 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3897 "Show the path of [kernel.kallsyms]"),
3898 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3899 "Show the fork/comm/exit events"),
3900 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3901 "Show the mmap events"),
3902 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3903 "Show context switch events (if recorded)"),
3904 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3905 "Show namespace events (if recorded)"),
3906 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3907 "Show cgroup events (if recorded)"),
3908 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3909 "Show lost events (if recorded)"),
3910 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3911 "Show round events (if recorded)"),
3912 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3913 "Show bpf related events (if recorded)"),
3914 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3915 "Show text poke related events (if recorded)"),
3916 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3917 "Dump trace output to files named by the monitored events"),
3918 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3919 OPT_INTEGER(0, "max-blocks", &max_blocks,
3920 "Maximum number of code blocks to dump with brstackinsn"),
3921 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3922 "Use 9 decimal places when displaying time"),
3923 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3924 "Instruction Tracing options\n" ITRACE_HELP,
3925 itrace_parse_synth_opts),
3926 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3927 "Show full source file name path for source lines"),
3928 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3929 "Enable symbol demangling"),
3930 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3931 "Enable kernel symbol demangling"),
3932 OPT_STRING(0, "time", &script.time_str, "str",
3933 "Time span of interest (start,stop)"),
3934 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3935 "Show inline function"),
3936 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3937 "guest mount directory under which every guest os"
3938 " instance has a subdir"),
3939 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3940 "file", "file saving guest os vmlinux"),
3941 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3942 "file", "file saving guest os /proc/kallsyms"),
3943 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3944 "file", "file saving guest os /proc/modules"),
3945 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
3946 "Guest code can be found in hypervisor process"),
3947 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3948 "Enable LBR callgraph stitching approach"),
3949 OPTS_EVSWITCH(&script.evswitch),
3950 OPT_END()
3951 };
3952 const char * const script_subcommands[] = { "record", "report", NULL };
3953 const char *script_usage[] = {
3954 "perf script [<options>]",
3955 "perf script [<options>] record <script> [<record-options>] <command>",
3956 "perf script [<options>] report <script> [script-args]",
3957 "perf script [<options>] <script> [<record-options>] <command>",
3958 "perf script [<options>] <top-script> [script-args]",
3959 NULL
3960 };
3961
3962 perf_set_singlethreaded();
3963
3964 setup_scripting();
3965
3966 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3967 PARSE_OPT_STOP_AT_NON_OPTION);
3968
3969 if (symbol_conf.guestmount ||
3970 symbol_conf.default_guest_vmlinux_name ||
3971 symbol_conf.default_guest_kallsyms ||
3972 symbol_conf.default_guest_modules ||
3973 symbol_conf.guest_code) {
3974 /*
3975 * Enable guest sample processing.
3976 */
3977 perf_guest = true;
3978 }
3979
3980 data.path = input_name;
3981 data.force = symbol_conf.force;
3982
3983 if (unsorted_dump) {
3984 dump_trace = true;
3985 script.tool.ordered_events = false;
3986 }
3987
3988 if (symbol__validate_sym_arguments())
3989 return -1;
3990
3991 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
3992 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3993 if (!rec_script_path)
3994 return cmd_record(argc, argv);
3995 }
3996
3997 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
3998 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3999 if (!rep_script_path) {
4000 fprintf(stderr,
4001 "Please specify a valid report script"
4002 "(see 'perf script -l' for listing)\n");
4003 return -1;
4004 }
4005 }
4006
4007 if (reltime && deltatime) {
4008 fprintf(stderr,
4009 "reltime and deltatime - the two don't get along well. "
4010 "Please limit to --reltime or --deltatime.\n");
4011 return -1;
4012 }
4013
4014 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4015 itrace_synth_opts.callchain_sz > scripting_max_stack)
4016 scripting_max_stack = itrace_synth_opts.callchain_sz;
4017
4018 /* make sure PERF_EXEC_PATH is set for scripts */
4019 set_argv_exec_path(get_argv_exec_path());
4020
4021 if (argc && !script_name && !rec_script_path && !rep_script_path) {
4022 int live_pipe[2];
4023 int rep_args;
4024 pid_t pid;
4025
4026 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4027 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4028
4029 if (!rec_script_path && !rep_script_path) {
4030 script_name = find_script(argv[0]);
4031 if (script_name) {
4032 argc -= 1;
4033 argv += 1;
4034 goto script_found;
4035 }
4036 usage_with_options_msg(script_usage, options,
4037 "Couldn't find script `%s'\n\n See perf"
4038 " script -l for available scripts.\n", argv[0]);
4039 }
4040
4041 if (is_top_script(argv[0])) {
4042 rep_args = argc - 1;
4043 } else {
4044 int rec_args;
4045
4046 rep_args = has_required_arg(rep_script_path);
4047 rec_args = (argc - 1) - rep_args;
4048 if (rec_args < 0) {
4049 usage_with_options_msg(script_usage, options,
4050 "`%s' script requires options."
4051 "\n\n See perf script -l for available "
4052 "scripts and options.\n", argv[0]);
4053 }
4054 }
4055
4056 if (pipe(live_pipe) < 0) {
4057 perror("failed to create pipe");
4058 return -1;
4059 }
4060
4061 pid = fork();
4062 if (pid < 0) {
4063 perror("failed to fork");
4064 return -1;
4065 }
4066
4067 if (!pid) {
4068 j = 0;
4069
4070 dup2(live_pipe[1], 1);
4071 close(live_pipe[0]);
4072
4073 if (is_top_script(argv[0])) {
4074 system_wide = true;
4075 } else if (!system_wide) {
4076 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4077 err = -1;
4078 goto out;
4079 }
4080 }
4081
4082 __argv = malloc((argc + 6) * sizeof(const char *));
4083 if (!__argv) {
4084 pr_err("malloc failed\n");
4085 err = -ENOMEM;
4086 goto out;
4087 }
4088
4089 __argv[j++] = "/bin/sh";
4090 __argv[j++] = rec_script_path;
4091 if (system_wide)
4092 __argv[j++] = "-a";
4093 __argv[j++] = "-q";
4094 __argv[j++] = "-o";
4095 __argv[j++] = "-";
4096 for (i = rep_args + 1; i < argc; i++)
4097 __argv[j++] = argv[i];
4098 __argv[j++] = NULL;
4099
4100 execvp("/bin/sh", (char **)__argv);
4101 free(__argv);
4102 exit(-1);
4103 }
4104
4105 dup2(live_pipe[0], 0);
4106 close(live_pipe[1]);
4107
4108 __argv = malloc((argc + 4) * sizeof(const char *));
4109 if (!__argv) {
4110 pr_err("malloc failed\n");
4111 err = -ENOMEM;
4112 goto out;
4113 }
4114
4115 j = 0;
4116 __argv[j++] = "/bin/sh";
4117 __argv[j++] = rep_script_path;
4118 for (i = 1; i < rep_args + 1; i++)
4119 __argv[j++] = argv[i];
4120 __argv[j++] = "-i";
4121 __argv[j++] = "-";
4122 __argv[j++] = NULL;
4123
4124 execvp("/bin/sh", (char **)__argv);
4125 free(__argv);
4126 exit(-1);
4127 }
4128script_found:
4129 if (rec_script_path)
4130 script_path = rec_script_path;
4131 if (rep_script_path)
4132 script_path = rep_script_path;
4133
4134 if (script_path) {
4135 j = 0;
4136
4137 if (!rec_script_path)
4138 system_wide = false;
4139 else if (!system_wide) {
4140 if (have_cmd(argc - 1, &argv[1]) != 0) {
4141 err = -1;
4142 goto out;
4143 }
4144 }
4145
4146 __argv = malloc((argc + 2) * sizeof(const char *));
4147 if (!__argv) {
4148 pr_err("malloc failed\n");
4149 err = -ENOMEM;
4150 goto out;
4151 }
4152
4153 __argv[j++] = "/bin/sh";
4154 __argv[j++] = script_path;
4155 if (system_wide)
4156 __argv[j++] = "-a";
4157 for (i = 2; i < argc; i++)
4158 __argv[j++] = argv[i];
4159 __argv[j++] = NULL;
4160
4161 execvp("/bin/sh", (char **)__argv);
4162 free(__argv);
4163 exit(-1);
4164 }
4165
4166 if (dlfilter_file) {
4167 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4168 if (!dlfilter)
4169 return -1;
4170 }
4171
4172 if (!script_name) {
4173 setup_pager();
4174 use_browser = 0;
4175 }
4176
4177 session = perf_session__new(&data, &script.tool);
4178 if (IS_ERR(session))
4179 return PTR_ERR(session);
4180
4181 if (header || header_only) {
4182 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4183 perf_session__fprintf_info(session, stdout, show_full_info);
4184 if (header_only)
4185 goto out_delete;
4186 }
4187 if (show_full_info)
4188 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4189
4190 if (symbol__init(&session->header.env) < 0)
4191 goto out_delete;
4192
4193 uname(&uts);
4194 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4195 native_arch = true;
4196 } else if (session->header.env.arch) {
4197 if (!strcmp(uts.machine, session->header.env.arch))
4198 native_arch = true;
4199 else if (!strcmp(uts.machine, "x86_64") &&
4200 !strcmp(session->header.env.arch, "i386"))
4201 native_arch = true;
4202 }
4203
4204 script.session = session;
4205 script__setup_sample_type(&script);
4206
4207 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4208 symbol_conf.graph_function)
4209 itrace_synth_opts.thread_stack = true;
4210
4211 session->itrace_synth_opts = &itrace_synth_opts;
4212
4213 if (cpu_list) {
4214 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4215 if (err < 0)
4216 goto out_delete;
4217 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4218 }
4219
4220 if (!no_callchain)
4221 symbol_conf.use_callchain = true;
4222 else
4223 symbol_conf.use_callchain = false;
4224
4225#ifdef HAVE_LIBTRACEEVENT
4226 if (session->tevent.pevent &&
4227 tep_set_function_resolver(session->tevent.pevent,
4228 machine__resolve_kernel_addr,
4229 &session->machines.host) < 0) {
4230 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4231 err = -1;
4232 goto out_delete;
4233 }
4234#endif
4235 if (generate_script_lang) {
4236 struct stat perf_stat;
4237 int input;
4238
4239 if (output_set_by_user()) {
4240 fprintf(stderr,
4241 "custom fields not supported for generated scripts");
4242 err = -EINVAL;
4243 goto out_delete;
4244 }
4245
4246 input = open(data.path, O_RDONLY); /* input_name */
4247 if (input < 0) {
4248 err = -errno;
4249 perror("failed to open file");
4250 goto out_delete;
4251 }
4252
4253 err = fstat(input, &perf_stat);
4254 if (err < 0) {
4255 perror("failed to stat file");
4256 goto out_delete;
4257 }
4258
4259 if (!perf_stat.st_size) {
4260 fprintf(stderr, "zero-sized file, nothing to do!\n");
4261 goto out_delete;
4262 }
4263
4264 scripting_ops = script_spec__lookup(generate_script_lang);
4265 if (!scripting_ops) {
4266 fprintf(stderr, "invalid language specifier");
4267 err = -ENOENT;
4268 goto out_delete;
4269 }
4270#ifdef HAVE_LIBTRACEEVENT
4271 err = scripting_ops->generate_script(session->tevent.pevent,
4272 "perf-script");
4273#else
4274 err = scripting_ops->generate_script(NULL, "perf-script");
4275#endif
4276 goto out_delete;
4277 }
4278
4279 err = dlfilter__start(dlfilter, session);
4280 if (err)
4281 goto out_delete;
4282
4283 if (script_name) {
4284 err = scripting_ops->start_script(script_name, argc, argv, session);
4285 if (err)
4286 goto out_delete;
4287 pr_debug("perf script started with script %s\n\n", script_name);
4288 script_started = true;
4289 }
4290
4291
4292 err = perf_session__check_output_opt(session);
4293 if (err < 0)
4294 goto out_delete;
4295
4296 if (script.time_str) {
4297 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4298 &script.ptime_range,
4299 &script.range_size,
4300 &script.range_num,
4301 reltime);
4302 if (err < 0)
4303 goto out_delete;
4304
4305 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4306 script.ptime_range,
4307 script.range_num);
4308 }
4309
4310 err = evswitch__init(&script.evswitch, session->evlist, stderr);
4311 if (err)
4312 goto out_delete;
4313
4314 if (zstd_init(&(session->zstd_data), 0) < 0)
4315 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4316
4317 err = __cmd_script(&script);
4318
4319 flush_scripting();
4320
4321out_delete:
4322 if (script.ptime_range) {
4323 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4324 zfree(&script.ptime_range);
4325 }
4326
4327 zstd_fini(&(session->zstd_data));
4328 evlist__free_stats(session->evlist);
4329 perf_session__delete(session);
4330 perf_script__exit(&script);
4331
4332 if (script_started)
4333 cleanup_scripting();
4334 dlfilter__cleanup(dlfilter);
4335 free_dlarg();
4336out:
4337 return err;
4338}
1// SPDX-License-Identifier: GPL-2.0
2#include "builtin.h"
3
4#include "util/counts.h"
5#include "util/debug.h"
6#include "util/dso.h"
7#include <subcmd/exec-cmd.h>
8#include "util/header.h"
9#include <subcmd/parse-options.h>
10#include "util/perf_regs.h"
11#include "util/session.h"
12#include "util/tool.h"
13#include "util/map.h"
14#include "util/srcline.h"
15#include "util/symbol.h"
16#include "util/thread.h"
17#include "util/trace-event.h"
18#include "util/evlist.h"
19#include "util/evsel.h"
20#include "util/evsel_fprintf.h"
21#include "util/evswitch.h"
22#include "util/sort.h"
23#include "util/data.h"
24#include "util/auxtrace.h"
25#include "util/cpumap.h"
26#include "util/thread_map.h"
27#include "util/stat.h"
28#include "util/color.h"
29#include "util/string2.h"
30#include "util/thread-stack.h"
31#include "util/time-utils.h"
32#include "util/path.h"
33#include "ui/ui.h"
34#include "print_binary.h"
35#include "archinsn.h"
36#include <linux/bitmap.h>
37#include <linux/kernel.h>
38#include <linux/stringify.h>
39#include <linux/time64.h>
40#include <linux/zalloc.h>
41#include <sys/utsname.h>
42#include "asm/bug.h"
43#include "util/mem-events.h"
44#include "util/dump-insn.h"
45#include <dirent.h>
46#include <errno.h>
47#include <inttypes.h>
48#include <signal.h>
49#include <sys/param.h>
50#include <sys/types.h>
51#include <sys/stat.h>
52#include <fcntl.h>
53#include <unistd.h>
54#include <subcmd/pager.h>
55#include <perf/evlist.h>
56#include <linux/err.h>
57#include "util/record.h"
58#include "util/util.h"
59#include "perf.h"
60
61#include <linux/ctype.h>
62
63static char const *script_name;
64static char const *generate_script_lang;
65static bool reltime;
66static bool deltatime;
67static u64 initial_time;
68static u64 previous_time;
69static bool debug_mode;
70static u64 last_timestamp;
71static u64 nr_unordered;
72static bool no_callchain;
73static bool latency_format;
74static bool system_wide;
75static bool print_flags;
76static const char *cpu_list;
77static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
78static struct perf_stat_config stat_config;
79static int max_blocks;
80static bool native_arch;
81
82unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
83
84enum perf_output_field {
85 PERF_OUTPUT_COMM = 1ULL << 0,
86 PERF_OUTPUT_TID = 1ULL << 1,
87 PERF_OUTPUT_PID = 1ULL << 2,
88 PERF_OUTPUT_TIME = 1ULL << 3,
89 PERF_OUTPUT_CPU = 1ULL << 4,
90 PERF_OUTPUT_EVNAME = 1ULL << 5,
91 PERF_OUTPUT_TRACE = 1ULL << 6,
92 PERF_OUTPUT_IP = 1ULL << 7,
93 PERF_OUTPUT_SYM = 1ULL << 8,
94 PERF_OUTPUT_DSO = 1ULL << 9,
95 PERF_OUTPUT_ADDR = 1ULL << 10,
96 PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
97 PERF_OUTPUT_SRCLINE = 1ULL << 12,
98 PERF_OUTPUT_PERIOD = 1ULL << 13,
99 PERF_OUTPUT_IREGS = 1ULL << 14,
100 PERF_OUTPUT_BRSTACK = 1ULL << 15,
101 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
102 PERF_OUTPUT_DATA_SRC = 1ULL << 17,
103 PERF_OUTPUT_WEIGHT = 1ULL << 18,
104 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
105 PERF_OUTPUT_CALLINDENT = 1ULL << 20,
106 PERF_OUTPUT_INSN = 1ULL << 21,
107 PERF_OUTPUT_INSNLEN = 1ULL << 22,
108 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
109 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
110 PERF_OUTPUT_SYNTH = 1ULL << 25,
111 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
112 PERF_OUTPUT_UREGS = 1ULL << 27,
113 PERF_OUTPUT_METRIC = 1ULL << 28,
114 PERF_OUTPUT_MISC = 1ULL << 29,
115 PERF_OUTPUT_SRCCODE = 1ULL << 30,
116 PERF_OUTPUT_IPC = 1ULL << 31,
117 PERF_OUTPUT_TOD = 1ULL << 32,
118};
119
120struct perf_script {
121 struct perf_tool tool;
122 struct perf_session *session;
123 bool show_task_events;
124 bool show_mmap_events;
125 bool show_switch_events;
126 bool show_namespace_events;
127 bool show_lost_events;
128 bool show_round_events;
129 bool show_bpf_events;
130 bool show_cgroup_events;
131 bool show_text_poke_events;
132 bool allocated;
133 bool per_event_dump;
134 bool stitch_lbr;
135 struct evswitch evswitch;
136 struct perf_cpu_map *cpus;
137 struct perf_thread_map *threads;
138 int name_width;
139 const char *time_str;
140 struct perf_time_interval *ptime_range;
141 int range_size;
142 int range_num;
143};
144
145struct output_option {
146 const char *str;
147 enum perf_output_field field;
148} all_output_options[] = {
149 {.str = "comm", .field = PERF_OUTPUT_COMM},
150 {.str = "tid", .field = PERF_OUTPUT_TID},
151 {.str = "pid", .field = PERF_OUTPUT_PID},
152 {.str = "time", .field = PERF_OUTPUT_TIME},
153 {.str = "cpu", .field = PERF_OUTPUT_CPU},
154 {.str = "event", .field = PERF_OUTPUT_EVNAME},
155 {.str = "trace", .field = PERF_OUTPUT_TRACE},
156 {.str = "ip", .field = PERF_OUTPUT_IP},
157 {.str = "sym", .field = PERF_OUTPUT_SYM},
158 {.str = "dso", .field = PERF_OUTPUT_DSO},
159 {.str = "addr", .field = PERF_OUTPUT_ADDR},
160 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
161 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
162 {.str = "period", .field = PERF_OUTPUT_PERIOD},
163 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
164 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
165 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
166 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
167 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
168 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
169 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
170 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
171 {.str = "insn", .field = PERF_OUTPUT_INSN},
172 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
173 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
174 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
175 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
176 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
177 {.str = "metric", .field = PERF_OUTPUT_METRIC},
178 {.str = "misc", .field = PERF_OUTPUT_MISC},
179 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
180 {.str = "ipc", .field = PERF_OUTPUT_IPC},
181 {.str = "tod", .field = PERF_OUTPUT_TOD},
182};
183
184enum {
185 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
186 OUTPUT_TYPE_MAX
187};
188
189/* default set to maintain compatibility with current format */
190static struct {
191 bool user_set;
192 bool wildcard_set;
193 unsigned int print_ip_opts;
194 u64 fields;
195 u64 invalid_fields;
196 u64 user_set_fields;
197 u64 user_unset_fields;
198} output[OUTPUT_TYPE_MAX] = {
199
200 [PERF_TYPE_HARDWARE] = {
201 .user_set = false,
202
203 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
204 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
205 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
206 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
207 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
208
209 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
210 },
211
212 [PERF_TYPE_SOFTWARE] = {
213 .user_set = false,
214
215 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
216 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
217 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
218 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
219 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
220 PERF_OUTPUT_BPF_OUTPUT,
221
222 .invalid_fields = PERF_OUTPUT_TRACE,
223 },
224
225 [PERF_TYPE_TRACEPOINT] = {
226 .user_set = false,
227
228 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
229 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
230 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
231 },
232
233 [PERF_TYPE_HW_CACHE] = {
234 .user_set = false,
235
236 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
237 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
238 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
239 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
240 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
241
242 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
243 },
244
245 [PERF_TYPE_RAW] = {
246 .user_set = false,
247
248 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
249 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
250 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
251 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
252 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
253 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
254 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
255
256 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
257 },
258
259 [PERF_TYPE_BREAKPOINT] = {
260 .user_set = false,
261
262 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
263 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
264 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
265 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
266 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
267
268 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
269 },
270
271 [OUTPUT_TYPE_SYNTH] = {
272 .user_set = false,
273
274 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
275 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
276 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
277 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
278 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
279
280 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
281 },
282};
283
284struct evsel_script {
285 char *filename;
286 FILE *fp;
287 u64 samples;
288 /* For metric output */
289 u64 val;
290 int gnum;
291};
292
293static inline struct evsel_script *evsel_script(struct evsel *evsel)
294{
295 return (struct evsel_script *)evsel->priv;
296}
297
298static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
299 struct perf_data *data)
300{
301 struct evsel_script *es = zalloc(sizeof(*es));
302
303 if (es != NULL) {
304 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
305 goto out_free;
306 es->fp = fopen(es->filename, "w");
307 if (es->fp == NULL)
308 goto out_free_filename;
309 }
310
311 return es;
312out_free_filename:
313 zfree(&es->filename);
314out_free:
315 free(es);
316 return NULL;
317}
318
319static void perf_evsel_script__delete(struct evsel_script *es)
320{
321 zfree(&es->filename);
322 fclose(es->fp);
323 es->fp = NULL;
324 free(es);
325}
326
327static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
328{
329 struct stat st;
330
331 fstat(fileno(es->fp), &st);
332 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
333 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
334}
335
336static inline int output_type(unsigned int type)
337{
338 switch (type) {
339 case PERF_TYPE_SYNTH:
340 return OUTPUT_TYPE_SYNTH;
341 default:
342 return type;
343 }
344}
345
346static inline unsigned int attr_type(unsigned int type)
347{
348 switch (type) {
349 case OUTPUT_TYPE_SYNTH:
350 return PERF_TYPE_SYNTH;
351 default:
352 return type;
353 }
354}
355
356static bool output_set_by_user(void)
357{
358 int j;
359 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
360 if (output[j].user_set)
361 return true;
362 }
363 return false;
364}
365
366static const char *output_field2str(enum perf_output_field field)
367{
368 int i, imax = ARRAY_SIZE(all_output_options);
369 const char *str = "";
370
371 for (i = 0; i < imax; ++i) {
372 if (all_output_options[i].field == field) {
373 str = all_output_options[i].str;
374 break;
375 }
376 }
377 return str;
378}
379
380#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
381
382static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
383 enum perf_output_field field, bool allow_user_set)
384{
385 struct perf_event_attr *attr = &evsel->core.attr;
386 int type = output_type(attr->type);
387 const char *evname;
388
389 if (attr->sample_type & sample_type)
390 return 0;
391
392 if (output[type].user_set_fields & field) {
393 if (allow_user_set)
394 return 0;
395 evname = evsel__name(evsel);
396 pr_err("Samples for '%s' event do not have %s attribute set. "
397 "Cannot print '%s' field.\n",
398 evname, sample_msg, output_field2str(field));
399 return -1;
400 }
401
402 /* user did not ask for it explicitly so remove from the default list */
403 output[type].fields &= ~field;
404 evname = evsel__name(evsel);
405 pr_debug("Samples for '%s' event do not have %s attribute set. "
406 "Skipping '%s' field.\n",
407 evname, sample_msg, output_field2str(field));
408
409 return 0;
410}
411
412static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
413 enum perf_output_field field)
414{
415 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
416}
417
418static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
419{
420 struct perf_event_attr *attr = &evsel->core.attr;
421 bool allow_user_set;
422
423 if (perf_header__has_feat(&session->header, HEADER_STAT))
424 return 0;
425
426 allow_user_set = perf_header__has_feat(&session->header,
427 HEADER_AUXTRACE);
428
429 if (PRINT_FIELD(TRACE) &&
430 !perf_session__has_traces(session, "record -R"))
431 return -EINVAL;
432
433 if (PRINT_FIELD(IP)) {
434 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
435 return -EINVAL;
436 }
437
438 if (PRINT_FIELD(ADDR) &&
439 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
440 return -EINVAL;
441
442 if (PRINT_FIELD(DATA_SRC) &&
443 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
444 return -EINVAL;
445
446 if (PRINT_FIELD(WEIGHT) &&
447 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
448 return -EINVAL;
449
450 if (PRINT_FIELD(SYM) &&
451 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
452 pr_err("Display of symbols requested but neither sample IP nor "
453 "sample address\navailable. Hence, no addresses to convert "
454 "to symbols.\n");
455 return -EINVAL;
456 }
457 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
458 pr_err("Display of offsets requested but symbol is not"
459 "selected.\n");
460 return -EINVAL;
461 }
462 if (PRINT_FIELD(DSO) &&
463 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
464 pr_err("Display of DSO requested but no address to convert.\n");
465 return -EINVAL;
466 }
467 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
468 pr_err("Display of source line number requested but sample IP is not\n"
469 "selected. Hence, no address to lookup the source line number.\n");
470 return -EINVAL;
471 }
472 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
473 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
474 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
475 "Hint: run 'perf record -b ...'\n");
476 return -EINVAL;
477 }
478 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
479 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
480 return -EINVAL;
481
482 if (PRINT_FIELD(TIME) &&
483 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
484 return -EINVAL;
485
486 if (PRINT_FIELD(CPU) &&
487 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
488 return -EINVAL;
489
490 if (PRINT_FIELD(IREGS) &&
491 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
492 return -EINVAL;
493
494 if (PRINT_FIELD(UREGS) &&
495 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
496 return -EINVAL;
497
498 if (PRINT_FIELD(PHYS_ADDR) &&
499 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
500 return -EINVAL;
501
502 return 0;
503}
504
505static void set_print_ip_opts(struct perf_event_attr *attr)
506{
507 unsigned int type = output_type(attr->type);
508
509 output[type].print_ip_opts = 0;
510 if (PRINT_FIELD(IP))
511 output[type].print_ip_opts |= EVSEL__PRINT_IP;
512
513 if (PRINT_FIELD(SYM))
514 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
515
516 if (PRINT_FIELD(DSO))
517 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
518
519 if (PRINT_FIELD(SYMOFFSET))
520 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
521
522 if (PRINT_FIELD(SRCLINE))
523 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
524}
525
526/*
527 * verify all user requested events exist and the samples
528 * have the expected data
529 */
530static int perf_session__check_output_opt(struct perf_session *session)
531{
532 bool tod = false;
533 unsigned int j;
534 struct evsel *evsel;
535
536 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
537 evsel = perf_session__find_first_evtype(session, attr_type(j));
538
539 /*
540 * even if fields is set to 0 (ie., show nothing) event must
541 * exist if user explicitly includes it on the command line
542 */
543 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
544 j != OUTPUT_TYPE_SYNTH) {
545 pr_err("%s events do not exist. "
546 "Remove corresponding -F option to proceed.\n",
547 event_type(j));
548 return -1;
549 }
550
551 if (evsel && output[j].fields &&
552 evsel__check_attr(evsel, session))
553 return -1;
554
555 if (evsel == NULL)
556 continue;
557
558 set_print_ip_opts(&evsel->core.attr);
559 tod |= output[j].fields & PERF_OUTPUT_TOD;
560 }
561
562 if (!no_callchain) {
563 bool use_callchain = false;
564 bool not_pipe = false;
565
566 evlist__for_each_entry(session->evlist, evsel) {
567 not_pipe = true;
568 if (evsel__has_callchain(evsel)) {
569 use_callchain = true;
570 break;
571 }
572 }
573 if (not_pipe && !use_callchain)
574 symbol_conf.use_callchain = false;
575 }
576
577 /*
578 * set default for tracepoints to print symbols only
579 * if callchains are present
580 */
581 if (symbol_conf.use_callchain &&
582 !output[PERF_TYPE_TRACEPOINT].user_set) {
583 j = PERF_TYPE_TRACEPOINT;
584
585 evlist__for_each_entry(session->evlist, evsel) {
586 if (evsel->core.attr.type != j)
587 continue;
588
589 if (evsel__has_callchain(evsel)) {
590 output[j].fields |= PERF_OUTPUT_IP;
591 output[j].fields |= PERF_OUTPUT_SYM;
592 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
593 output[j].fields |= PERF_OUTPUT_DSO;
594 set_print_ip_opts(&evsel->core.attr);
595 goto out;
596 }
597 }
598 }
599
600 if (tod && !session->header.env.clock.enabled) {
601 pr_err("Can't provide 'tod' time, missing clock data. "
602 "Please record with -k/--clockid option.\n");
603 return -1;
604 }
605out:
606 return 0;
607}
608
609static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
610 FILE *fp)
611{
612 unsigned i = 0, r;
613 int printed = 0;
614
615 if (!regs || !regs->regs)
616 return 0;
617
618 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
619
620 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
621 u64 val = regs->regs[i++];
622 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
623 }
624
625 return printed;
626}
627
628#define DEFAULT_TOD_FMT "%F %H:%M:%S"
629
630static char*
631tod_scnprintf(struct perf_script *script, char *buf, int buflen,
632 u64 timestamp)
633{
634 u64 tod_ns, clockid_ns;
635 struct perf_env *env;
636 unsigned long nsec;
637 struct tm ltime;
638 char date[64];
639 time_t sec;
640
641 buf[0] = '\0';
642 if (buflen < 64 || !script)
643 return buf;
644
645 env = &script->session->header.env;
646 if (!env->clock.enabled) {
647 scnprintf(buf, buflen, "disabled");
648 return buf;
649 }
650
651 clockid_ns = env->clock.clockid_ns;
652 tod_ns = env->clock.tod_ns;
653
654 if (timestamp > clockid_ns)
655 tod_ns += timestamp - clockid_ns;
656 else
657 tod_ns -= clockid_ns - timestamp;
658
659 sec = (time_t) (tod_ns / NSEC_PER_SEC);
660 nsec = tod_ns - sec * NSEC_PER_SEC;
661
662 if (localtime_r(&sec, <ime) == NULL) {
663 scnprintf(buf, buflen, "failed");
664 } else {
665 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime);
666
667 if (symbol_conf.nanosecs) {
668 snprintf(buf, buflen, "%s.%09lu", date, nsec);
669 } else {
670 snprintf(buf, buflen, "%s.%06lu",
671 date, nsec / NSEC_PER_USEC);
672 }
673 }
674
675 return buf;
676}
677
678static int perf_sample__fprintf_iregs(struct perf_sample *sample,
679 struct perf_event_attr *attr, FILE *fp)
680{
681 return perf_sample__fprintf_regs(&sample->intr_regs,
682 attr->sample_regs_intr, fp);
683}
684
685static int perf_sample__fprintf_uregs(struct perf_sample *sample,
686 struct perf_event_attr *attr, FILE *fp)
687{
688 return perf_sample__fprintf_regs(&sample->user_regs,
689 attr->sample_regs_user, fp);
690}
691
692static int perf_sample__fprintf_start(struct perf_script *script,
693 struct perf_sample *sample,
694 struct thread *thread,
695 struct evsel *evsel,
696 u32 type, FILE *fp)
697{
698 struct perf_event_attr *attr = &evsel->core.attr;
699 unsigned long secs;
700 unsigned long long nsecs;
701 int printed = 0;
702 char tstr[128];
703
704 if (PRINT_FIELD(COMM)) {
705 if (latency_format)
706 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
707 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
708 printed += fprintf(fp, "%s ", thread__comm_str(thread));
709 else
710 printed += fprintf(fp, "%16s ", thread__comm_str(thread));
711 }
712
713 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
714 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
715 else if (PRINT_FIELD(PID))
716 printed += fprintf(fp, "%5d ", sample->pid);
717 else if (PRINT_FIELD(TID))
718 printed += fprintf(fp, "%5d ", sample->tid);
719
720 if (PRINT_FIELD(CPU)) {
721 if (latency_format)
722 printed += fprintf(fp, "%3d ", sample->cpu);
723 else
724 printed += fprintf(fp, "[%03d] ", sample->cpu);
725 }
726
727 if (PRINT_FIELD(MISC)) {
728 int ret = 0;
729
730 #define has(m) \
731 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
732
733 if (has(KERNEL))
734 ret += fprintf(fp, "K");
735 if (has(USER))
736 ret += fprintf(fp, "U");
737 if (has(HYPERVISOR))
738 ret += fprintf(fp, "H");
739 if (has(GUEST_KERNEL))
740 ret += fprintf(fp, "G");
741 if (has(GUEST_USER))
742 ret += fprintf(fp, "g");
743
744 switch (type) {
745 case PERF_RECORD_MMAP:
746 case PERF_RECORD_MMAP2:
747 if (has(MMAP_DATA))
748 ret += fprintf(fp, "M");
749 break;
750 case PERF_RECORD_COMM:
751 if (has(COMM_EXEC))
752 ret += fprintf(fp, "E");
753 break;
754 case PERF_RECORD_SWITCH:
755 case PERF_RECORD_SWITCH_CPU_WIDE:
756 if (has(SWITCH_OUT)) {
757 ret += fprintf(fp, "S");
758 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
759 ret += fprintf(fp, "p");
760 }
761 default:
762 break;
763 }
764
765 #undef has
766
767 ret += fprintf(fp, "%*s", 6 - ret, " ");
768 printed += ret;
769 }
770
771 if (PRINT_FIELD(TOD)) {
772 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
773 printed += fprintf(fp, "%s ", tstr);
774 }
775
776 if (PRINT_FIELD(TIME)) {
777 u64 t = sample->time;
778 if (reltime) {
779 if (!initial_time)
780 initial_time = sample->time;
781 t = sample->time - initial_time;
782 } else if (deltatime) {
783 if (previous_time)
784 t = sample->time - previous_time;
785 else {
786 t = 0;
787 }
788 previous_time = sample->time;
789 }
790 nsecs = t;
791 secs = nsecs / NSEC_PER_SEC;
792 nsecs -= secs * NSEC_PER_SEC;
793
794 if (symbol_conf.nanosecs)
795 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
796 else {
797 char sample_time[32];
798 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
799 printed += fprintf(fp, "%12s: ", sample_time);
800 }
801 }
802
803 return printed;
804}
805
806static inline char
807mispred_str(struct branch_entry *br)
808{
809 if (!(br->flags.mispred || br->flags.predicted))
810 return '-';
811
812 return br->flags.predicted ? 'P' : 'M';
813}
814
815static int perf_sample__fprintf_brstack(struct perf_sample *sample,
816 struct thread *thread,
817 struct perf_event_attr *attr, FILE *fp)
818{
819 struct branch_stack *br = sample->branch_stack;
820 struct branch_entry *entries = perf_sample__branch_entries(sample);
821 struct addr_location alf, alt;
822 u64 i, from, to;
823 int printed = 0;
824
825 if (!(br && br->nr))
826 return 0;
827
828 for (i = 0; i < br->nr; i++) {
829 from = entries[i].from;
830 to = entries[i].to;
831
832 if (PRINT_FIELD(DSO)) {
833 memset(&alf, 0, sizeof(alf));
834 memset(&alt, 0, sizeof(alt));
835 thread__find_map_fb(thread, sample->cpumode, from, &alf);
836 thread__find_map_fb(thread, sample->cpumode, to, &alt);
837 }
838
839 printed += fprintf(fp, " 0x%"PRIx64, from);
840 if (PRINT_FIELD(DSO)) {
841 printed += fprintf(fp, "(");
842 printed += map__fprintf_dsoname(alf.map, fp);
843 printed += fprintf(fp, ")");
844 }
845
846 printed += fprintf(fp, "/0x%"PRIx64, to);
847 if (PRINT_FIELD(DSO)) {
848 printed += fprintf(fp, "(");
849 printed += map__fprintf_dsoname(alt.map, fp);
850 printed += fprintf(fp, ")");
851 }
852
853 printed += fprintf(fp, "/%c/%c/%c/%d ",
854 mispred_str(entries + i),
855 entries[i].flags.in_tx ? 'X' : '-',
856 entries[i].flags.abort ? 'A' : '-',
857 entries[i].flags.cycles);
858 }
859
860 return printed;
861}
862
863static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
864 struct thread *thread,
865 struct perf_event_attr *attr, FILE *fp)
866{
867 struct branch_stack *br = sample->branch_stack;
868 struct branch_entry *entries = perf_sample__branch_entries(sample);
869 struct addr_location alf, alt;
870 u64 i, from, to;
871 int printed = 0;
872
873 if (!(br && br->nr))
874 return 0;
875
876 for (i = 0; i < br->nr; i++) {
877
878 memset(&alf, 0, sizeof(alf));
879 memset(&alt, 0, sizeof(alt));
880 from = entries[i].from;
881 to = entries[i].to;
882
883 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
884 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
885
886 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
887 if (PRINT_FIELD(DSO)) {
888 printed += fprintf(fp, "(");
889 printed += map__fprintf_dsoname(alf.map, fp);
890 printed += fprintf(fp, ")");
891 }
892 printed += fprintf(fp, "%c", '/');
893 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
894 if (PRINT_FIELD(DSO)) {
895 printed += fprintf(fp, "(");
896 printed += map__fprintf_dsoname(alt.map, fp);
897 printed += fprintf(fp, ")");
898 }
899 printed += fprintf(fp, "/%c/%c/%c/%d ",
900 mispred_str(entries + i),
901 entries[i].flags.in_tx ? 'X' : '-',
902 entries[i].flags.abort ? 'A' : '-',
903 entries[i].flags.cycles);
904 }
905
906 return printed;
907}
908
909static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
910 struct thread *thread,
911 struct perf_event_attr *attr, FILE *fp)
912{
913 struct branch_stack *br = sample->branch_stack;
914 struct branch_entry *entries = perf_sample__branch_entries(sample);
915 struct addr_location alf, alt;
916 u64 i, from, to;
917 int printed = 0;
918
919 if (!(br && br->nr))
920 return 0;
921
922 for (i = 0; i < br->nr; i++) {
923
924 memset(&alf, 0, sizeof(alf));
925 memset(&alt, 0, sizeof(alt));
926 from = entries[i].from;
927 to = entries[i].to;
928
929 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
930 !alf.map->dso->adjust_symbols)
931 from = map__map_ip(alf.map, from);
932
933 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
934 !alt.map->dso->adjust_symbols)
935 to = map__map_ip(alt.map, to);
936
937 printed += fprintf(fp, " 0x%"PRIx64, from);
938 if (PRINT_FIELD(DSO)) {
939 printed += fprintf(fp, "(");
940 printed += map__fprintf_dsoname(alf.map, fp);
941 printed += fprintf(fp, ")");
942 }
943 printed += fprintf(fp, "/0x%"PRIx64, to);
944 if (PRINT_FIELD(DSO)) {
945 printed += fprintf(fp, "(");
946 printed += map__fprintf_dsoname(alt.map, fp);
947 printed += fprintf(fp, ")");
948 }
949 printed += fprintf(fp, "/%c/%c/%c/%d ",
950 mispred_str(entries + i),
951 entries[i].flags.in_tx ? 'X' : '-',
952 entries[i].flags.abort ? 'A' : '-',
953 entries[i].flags.cycles);
954 }
955
956 return printed;
957}
958#define MAXBB 16384UL
959
960static int grab_bb(u8 *buffer, u64 start, u64 end,
961 struct machine *machine, struct thread *thread,
962 bool *is64bit, u8 *cpumode, bool last)
963{
964 long offset, len;
965 struct addr_location al;
966 bool kernel;
967
968 if (!start || !end)
969 return 0;
970
971 kernel = machine__kernel_ip(machine, start);
972 if (kernel)
973 *cpumode = PERF_RECORD_MISC_KERNEL;
974 else
975 *cpumode = PERF_RECORD_MISC_USER;
976
977 /*
978 * Block overlaps between kernel and user.
979 * This can happen due to ring filtering
980 * On Intel CPUs the entry into the kernel is filtered,
981 * but the exit is not. Let the caller patch it up.
982 */
983 if (kernel != machine__kernel_ip(machine, end)) {
984 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
985 return -ENXIO;
986 }
987
988 memset(&al, 0, sizeof(al));
989 if (end - start > MAXBB - MAXINSN) {
990 if (last)
991 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
992 else
993 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
994 return 0;
995 }
996
997 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
998 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
999 return 0;
1000 }
1001 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1002 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1003 return 0;
1004 }
1005
1006 /* Load maps to ensure dso->is_64_bit has been updated */
1007 map__load(al.map);
1008
1009 offset = al.map->map_ip(al.map, start);
1010 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1011 end - start + MAXINSN);
1012
1013 *is64bit = al.map->dso->is_64_bit;
1014 if (len <= 0)
1015 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1016 start, end);
1017 return len;
1018}
1019
1020static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1021{
1022 char *srcfile;
1023 int ret = 0;
1024 unsigned line;
1025 int len;
1026 char *srccode;
1027
1028 if (!map || !map->dso)
1029 return 0;
1030 srcfile = get_srcline_split(map->dso,
1031 map__rip_2objdump(map, addr),
1032 &line);
1033 if (!srcfile)
1034 return 0;
1035
1036 /* Avoid redundant printing */
1037 if (state &&
1038 state->srcfile &&
1039 !strcmp(state->srcfile, srcfile) &&
1040 state->line == line) {
1041 free(srcfile);
1042 return 0;
1043 }
1044
1045 srccode = find_sourceline(srcfile, line, &len);
1046 if (!srccode)
1047 goto out_free_line;
1048
1049 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1050
1051 if (state) {
1052 state->srcfile = srcfile;
1053 state->line = line;
1054 }
1055 return ret;
1056
1057out_free_line:
1058 free(srcfile);
1059 return ret;
1060}
1061
1062static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1063{
1064 struct addr_location al;
1065 int ret = 0;
1066
1067 memset(&al, 0, sizeof(al));
1068 thread__find_map(thread, cpumode, addr, &al);
1069 if (!al.map)
1070 return 0;
1071 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1072 &thread->srccode_state);
1073 if (ret)
1074 ret += printf("\n");
1075 return ret;
1076}
1077
1078static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1079 struct perf_insn *x, u8 *inbuf, int len,
1080 int insn, FILE *fp, int *total_cycles)
1081{
1082 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1083 dump_insn(x, ip, inbuf, len, NULL),
1084 en->flags.predicted ? " PRED" : "",
1085 en->flags.mispred ? " MISPRED" : "",
1086 en->flags.in_tx ? " INTX" : "",
1087 en->flags.abort ? " ABORT" : "");
1088 if (en->flags.cycles) {
1089 *total_cycles += en->flags.cycles;
1090 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1091 if (insn)
1092 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1093 }
1094 return printed + fprintf(fp, "\n");
1095}
1096
1097static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1098 u8 cpumode, int cpu, struct symbol **lastsym,
1099 struct perf_event_attr *attr, FILE *fp)
1100{
1101 struct addr_location al;
1102 int off, printed = 0;
1103
1104 memset(&al, 0, sizeof(al));
1105
1106 thread__find_map(thread, cpumode, addr, &al);
1107
1108 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1109 return 0;
1110
1111 al.cpu = cpu;
1112 al.sym = NULL;
1113 if (al.map)
1114 al.sym = map__find_symbol(al.map, al.addr);
1115
1116 if (!al.sym)
1117 return 0;
1118
1119 if (al.addr < al.sym->end)
1120 off = al.addr - al.sym->start;
1121 else
1122 off = al.addr - al.map->start - al.sym->start;
1123 printed += fprintf(fp, "\t%s", al.sym->name);
1124 if (off)
1125 printed += fprintf(fp, "%+d", off);
1126 printed += fprintf(fp, ":");
1127 if (PRINT_FIELD(SRCLINE))
1128 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1129 printed += fprintf(fp, "\n");
1130 *lastsym = al.sym;
1131
1132 return printed;
1133}
1134
1135static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1136 struct thread *thread,
1137 struct perf_event_attr *attr,
1138 struct machine *machine, FILE *fp)
1139{
1140 struct branch_stack *br = sample->branch_stack;
1141 struct branch_entry *entries = perf_sample__branch_entries(sample);
1142 u64 start, end;
1143 int i, insn, len, nr, ilen, printed = 0;
1144 struct perf_insn x;
1145 u8 buffer[MAXBB];
1146 unsigned off;
1147 struct symbol *lastsym = NULL;
1148 int total_cycles = 0;
1149
1150 if (!(br && br->nr))
1151 return 0;
1152 nr = br->nr;
1153 if (max_blocks && nr > max_blocks + 1)
1154 nr = max_blocks + 1;
1155
1156 x.thread = thread;
1157 x.cpu = sample->cpu;
1158
1159 printed += fprintf(fp, "%c", '\n');
1160
1161 /* Handle first from jump, of which we don't know the entry. */
1162 len = grab_bb(buffer, entries[nr-1].from,
1163 entries[nr-1].from,
1164 machine, thread, &x.is64bit, &x.cpumode, false);
1165 if (len > 0) {
1166 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1167 x.cpumode, x.cpu, &lastsym, attr, fp);
1168 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1169 &x, buffer, len, 0, fp, &total_cycles);
1170 if (PRINT_FIELD(SRCCODE))
1171 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1172 }
1173
1174 /* Print all blocks */
1175 for (i = nr - 2; i >= 0; i--) {
1176 if (entries[i].from || entries[i].to)
1177 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1178 entries[i].from,
1179 entries[i].to);
1180 start = entries[i + 1].to;
1181 end = entries[i].from;
1182
1183 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1184 /* Patch up missing kernel transfers due to ring filters */
1185 if (len == -ENXIO && i > 0) {
1186 end = entries[--i].from;
1187 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1188 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1189 }
1190 if (len <= 0)
1191 continue;
1192
1193 insn = 0;
1194 for (off = 0; off < (unsigned)len; off += ilen) {
1195 uint64_t ip = start + off;
1196
1197 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1198 if (ip == end) {
1199 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1200 &total_cycles);
1201 if (PRINT_FIELD(SRCCODE))
1202 printed += print_srccode(thread, x.cpumode, ip);
1203 break;
1204 } else {
1205 ilen = 0;
1206 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1207 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1208 if (ilen == 0)
1209 break;
1210 if (PRINT_FIELD(SRCCODE))
1211 print_srccode(thread, x.cpumode, ip);
1212 insn++;
1213 }
1214 }
1215 if (off != end - start)
1216 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1217 }
1218
1219 /*
1220 * Hit the branch? In this case we are already done, and the target
1221 * has not been executed yet.
1222 */
1223 if (entries[0].from == sample->ip)
1224 goto out;
1225 if (entries[0].flags.abort)
1226 goto out;
1227
1228 /*
1229 * Print final block upto sample
1230 *
1231 * Due to pipeline delays the LBRs might be missing a branch
1232 * or two, which can result in very large or negative blocks
1233 * between final branch and sample. When this happens just
1234 * continue walking after the last TO until we hit a branch.
1235 */
1236 start = entries[0].to;
1237 end = sample->ip;
1238 if (end < start) {
1239 /* Missing jump. Scan 128 bytes for the next branch */
1240 end = start + 128;
1241 }
1242 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1243 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1244 if (len <= 0) {
1245 /* Print at least last IP if basic block did not work */
1246 len = grab_bb(buffer, sample->ip, sample->ip,
1247 machine, thread, &x.is64bit, &x.cpumode, false);
1248 if (len <= 0)
1249 goto out;
1250 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1251 dump_insn(&x, sample->ip, buffer, len, NULL));
1252 if (PRINT_FIELD(SRCCODE))
1253 print_srccode(thread, x.cpumode, sample->ip);
1254 goto out;
1255 }
1256 for (off = 0; off <= end - start; off += ilen) {
1257 ilen = 0;
1258 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1259 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1260 if (ilen == 0)
1261 break;
1262 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1263 /*
1264 * Hit a missing branch. Just stop.
1265 */
1266 printed += fprintf(fp, "\t... not reaching sample ...\n");
1267 break;
1268 }
1269 if (PRINT_FIELD(SRCCODE))
1270 print_srccode(thread, x.cpumode, start + off);
1271 }
1272out:
1273 return printed;
1274}
1275
1276static int perf_sample__fprintf_addr(struct perf_sample *sample,
1277 struct thread *thread,
1278 struct perf_event_attr *attr, FILE *fp)
1279{
1280 struct addr_location al;
1281 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1282
1283 if (!sample_addr_correlates_sym(attr))
1284 goto out;
1285
1286 thread__resolve(thread, &al, sample);
1287
1288 if (PRINT_FIELD(SYM)) {
1289 printed += fprintf(fp, " ");
1290 if (PRINT_FIELD(SYMOFFSET))
1291 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1292 else
1293 printed += symbol__fprintf_symname(al.sym, fp);
1294 }
1295
1296 if (PRINT_FIELD(DSO)) {
1297 printed += fprintf(fp, " (");
1298 printed += map__fprintf_dsoname(al.map, fp);
1299 printed += fprintf(fp, ")");
1300 }
1301out:
1302 return printed;
1303}
1304
1305static const char *resolve_branch_sym(struct perf_sample *sample,
1306 struct evsel *evsel,
1307 struct thread *thread,
1308 struct addr_location *al,
1309 u64 *ip)
1310{
1311 struct addr_location addr_al;
1312 struct perf_event_attr *attr = &evsel->core.attr;
1313 const char *name = NULL;
1314
1315 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1316 if (sample_addr_correlates_sym(attr)) {
1317 thread__resolve(thread, &addr_al, sample);
1318 if (addr_al.sym)
1319 name = addr_al.sym->name;
1320 else
1321 *ip = sample->addr;
1322 } else {
1323 *ip = sample->addr;
1324 }
1325 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1326 if (al->sym)
1327 name = al->sym->name;
1328 else
1329 *ip = sample->ip;
1330 }
1331 return name;
1332}
1333
1334static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1335 struct evsel *evsel,
1336 struct thread *thread,
1337 struct addr_location *al, FILE *fp)
1338{
1339 struct perf_event_attr *attr = &evsel->core.attr;
1340 size_t depth = thread_stack__depth(thread, sample->cpu);
1341 const char *name = NULL;
1342 static int spacing;
1343 int len = 0;
1344 int dlen = 0;
1345 u64 ip = 0;
1346
1347 /*
1348 * The 'return' has already been popped off the stack so the depth has
1349 * to be adjusted to match the 'call'.
1350 */
1351 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1352 depth += 1;
1353
1354 name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1355
1356 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1357 dlen += fprintf(fp, "(");
1358 dlen += map__fprintf_dsoname(al->map, fp);
1359 dlen += fprintf(fp, ")\t");
1360 }
1361
1362 if (name)
1363 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1364 else if (ip)
1365 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1366
1367 if (len < 0)
1368 return len;
1369
1370 /*
1371 * Try to keep the output length from changing frequently so that the
1372 * output lines up more nicely.
1373 */
1374 if (len > spacing || (len && len < spacing - 52))
1375 spacing = round_up(len + 4, 32);
1376
1377 if (len < spacing)
1378 len += fprintf(fp, "%*s", spacing - len, "");
1379
1380 return len + dlen;
1381}
1382
1383__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1384 struct thread *thread __maybe_unused,
1385 struct machine *machine __maybe_unused)
1386{
1387}
1388
1389static int perf_sample__fprintf_insn(struct perf_sample *sample,
1390 struct perf_event_attr *attr,
1391 struct thread *thread,
1392 struct machine *machine, FILE *fp)
1393{
1394 int printed = 0;
1395
1396 if (sample->insn_len == 0 && native_arch)
1397 arch_fetch_insn(sample, thread, machine);
1398
1399 if (PRINT_FIELD(INSNLEN))
1400 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1401 if (PRINT_FIELD(INSN) && sample->insn_len) {
1402 int i;
1403
1404 printed += fprintf(fp, " insn:");
1405 for (i = 0; i < sample->insn_len; i++)
1406 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1407 }
1408 if (PRINT_FIELD(BRSTACKINSN))
1409 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1410
1411 return printed;
1412}
1413
1414static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1415 struct perf_event_attr *attr, FILE *fp)
1416{
1417 unsigned int ipc;
1418
1419 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1420 return 0;
1421
1422 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1423
1424 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1425 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1426}
1427
1428static int perf_sample__fprintf_bts(struct perf_sample *sample,
1429 struct evsel *evsel,
1430 struct thread *thread,
1431 struct addr_location *al,
1432 struct machine *machine, FILE *fp)
1433{
1434 struct perf_event_attr *attr = &evsel->core.attr;
1435 unsigned int type = output_type(attr->type);
1436 bool print_srcline_last = false;
1437 int printed = 0;
1438
1439 if (PRINT_FIELD(CALLINDENT))
1440 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1441
1442 /* print branch_from information */
1443 if (PRINT_FIELD(IP)) {
1444 unsigned int print_opts = output[type].print_ip_opts;
1445 struct callchain_cursor *cursor = NULL;
1446
1447 if (symbol_conf.use_callchain && sample->callchain &&
1448 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1449 sample, NULL, NULL, scripting_max_stack) == 0)
1450 cursor = &callchain_cursor;
1451
1452 if (cursor == NULL) {
1453 printed += fprintf(fp, " ");
1454 if (print_opts & EVSEL__PRINT_SRCLINE) {
1455 print_srcline_last = true;
1456 print_opts &= ~EVSEL__PRINT_SRCLINE;
1457 }
1458 } else
1459 printed += fprintf(fp, "\n");
1460
1461 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1462 symbol_conf.bt_stop_list, fp);
1463 }
1464
1465 /* print branch_to information */
1466 if (PRINT_FIELD(ADDR) ||
1467 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1468 !output[type].user_set)) {
1469 printed += fprintf(fp, " => ");
1470 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1471 }
1472
1473 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1474
1475 if (print_srcline_last)
1476 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1477
1478 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1479 printed += fprintf(fp, "\n");
1480 if (PRINT_FIELD(SRCCODE)) {
1481 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1482 &thread->srccode_state);
1483 if (ret) {
1484 printed += ret;
1485 printed += printf("\n");
1486 }
1487 }
1488 return printed;
1489}
1490
1491static struct {
1492 u32 flags;
1493 const char *name;
1494} sample_flags[] = {
1495 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1496 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1497 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1498 {PERF_IP_FLAG_BRANCH, "jmp"},
1499 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1500 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1501 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1502 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1503 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1504 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1505 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1506 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1507 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1508 {0, NULL}
1509};
1510
1511static const char *sample_flags_to_name(u32 flags)
1512{
1513 int i;
1514
1515 for (i = 0; sample_flags[i].name ; i++) {
1516 if (sample_flags[i].flags == flags)
1517 return sample_flags[i].name;
1518 }
1519
1520 return NULL;
1521}
1522
1523static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1524{
1525 const char *chars = PERF_IP_FLAG_CHARS;
1526 const int n = strlen(PERF_IP_FLAG_CHARS);
1527 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1528 const char *name = NULL;
1529 char str[33];
1530 int i, pos = 0;
1531
1532 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1533 if (name)
1534 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : "");
1535
1536 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1537 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1538 if (name)
1539 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1540 }
1541
1542 if (flags & PERF_IP_FLAG_TRACE_END) {
1543 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1544 if (name)
1545 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : "");
1546 }
1547
1548 for (i = 0; i < n; i++, flags >>= 1) {
1549 if (flags & 1)
1550 str[pos++] = chars[i];
1551 }
1552 for (; i < 32; i++, flags >>= 1) {
1553 if (flags & 1)
1554 str[pos++] = '?';
1555 }
1556 str[pos] = 0;
1557
1558 return fprintf(fp, " %-19s ", str);
1559}
1560
1561struct printer_data {
1562 int line_no;
1563 bool hit_nul;
1564 bool is_printable;
1565};
1566
1567static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1568 unsigned int val,
1569 void *extra, FILE *fp)
1570{
1571 unsigned char ch = (unsigned char)val;
1572 struct printer_data *printer_data = extra;
1573 int printed = 0;
1574
1575 switch (op) {
1576 case BINARY_PRINT_DATA_BEGIN:
1577 printed += fprintf(fp, "\n");
1578 break;
1579 case BINARY_PRINT_LINE_BEGIN:
1580 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1581 " ");
1582 break;
1583 case BINARY_PRINT_ADDR:
1584 printed += fprintf(fp, " %04x:", val);
1585 break;
1586 case BINARY_PRINT_NUM_DATA:
1587 printed += fprintf(fp, " %02x", val);
1588 break;
1589 case BINARY_PRINT_NUM_PAD:
1590 printed += fprintf(fp, " ");
1591 break;
1592 case BINARY_PRINT_SEP:
1593 printed += fprintf(fp, " ");
1594 break;
1595 case BINARY_PRINT_CHAR_DATA:
1596 if (printer_data->hit_nul && ch)
1597 printer_data->is_printable = false;
1598
1599 if (!isprint(ch)) {
1600 printed += fprintf(fp, "%c", '.');
1601
1602 if (!printer_data->is_printable)
1603 break;
1604
1605 if (ch == '\0')
1606 printer_data->hit_nul = true;
1607 else
1608 printer_data->is_printable = false;
1609 } else {
1610 printed += fprintf(fp, "%c", ch);
1611 }
1612 break;
1613 case BINARY_PRINT_CHAR_PAD:
1614 printed += fprintf(fp, " ");
1615 break;
1616 case BINARY_PRINT_LINE_END:
1617 printed += fprintf(fp, "\n");
1618 printer_data->line_no++;
1619 break;
1620 case BINARY_PRINT_DATA_END:
1621 default:
1622 break;
1623 }
1624
1625 return printed;
1626}
1627
1628static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1629{
1630 unsigned int nr_bytes = sample->raw_size;
1631 struct printer_data printer_data = {0, false, true};
1632 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1633 sample__fprintf_bpf_output, &printer_data, fp);
1634
1635 if (printer_data.is_printable && printer_data.hit_nul)
1636 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1637
1638 return printed;
1639}
1640
1641static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1642{
1643 if (len > 0 && len < spacing)
1644 return fprintf(fp, "%*s", spacing - len, "");
1645
1646 return 0;
1647}
1648
1649static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1650{
1651 return perf_sample__fprintf_spacing(len, 34, fp);
1652}
1653
1654static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1655{
1656 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1657 int len;
1658
1659 if (perf_sample__bad_synth_size(sample, *data))
1660 return 0;
1661
1662 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1663 data->ip, le64_to_cpu(data->payload));
1664 return len + perf_sample__fprintf_pt_spacing(len, fp);
1665}
1666
1667static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1668{
1669 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1670 int len;
1671
1672 if (perf_sample__bad_synth_size(sample, *data))
1673 return 0;
1674
1675 len = fprintf(fp, " hints: %#x extensions: %#x ",
1676 data->hints, data->extensions);
1677 return len + perf_sample__fprintf_pt_spacing(len, fp);
1678}
1679
1680static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1681{
1682 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1683 int len;
1684
1685 if (perf_sample__bad_synth_size(sample, *data))
1686 return 0;
1687
1688 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1689 data->hw, data->cstate, data->subcstate);
1690 return len + perf_sample__fprintf_pt_spacing(len, fp);
1691}
1692
1693static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1694{
1695 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1696 int len;
1697
1698 if (perf_sample__bad_synth_size(sample, *data))
1699 return 0;
1700
1701 len = fprintf(fp, " IP: %u ", data->ip);
1702 return len + perf_sample__fprintf_pt_spacing(len, fp);
1703}
1704
1705static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1706{
1707 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1708 int len;
1709
1710 if (perf_sample__bad_synth_size(sample, *data))
1711 return 0;
1712
1713 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1714 data->deepest_cstate, data->last_cstate,
1715 data->wake_reason);
1716 return len + perf_sample__fprintf_pt_spacing(len, fp);
1717}
1718
1719static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1720{
1721 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1722 unsigned int percent, freq;
1723 int len;
1724
1725 if (perf_sample__bad_synth_size(sample, *data))
1726 return 0;
1727
1728 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1729 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1730 if (data->max_nonturbo) {
1731 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1732 len += fprintf(fp, "(%3u%%) ", percent);
1733 }
1734 return len + perf_sample__fprintf_pt_spacing(len, fp);
1735}
1736
1737static int perf_sample__fprintf_synth(struct perf_sample *sample,
1738 struct evsel *evsel, FILE *fp)
1739{
1740 switch (evsel->core.attr.config) {
1741 case PERF_SYNTH_INTEL_PTWRITE:
1742 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1743 case PERF_SYNTH_INTEL_MWAIT:
1744 return perf_sample__fprintf_synth_mwait(sample, fp);
1745 case PERF_SYNTH_INTEL_PWRE:
1746 return perf_sample__fprintf_synth_pwre(sample, fp);
1747 case PERF_SYNTH_INTEL_EXSTOP:
1748 return perf_sample__fprintf_synth_exstop(sample, fp);
1749 case PERF_SYNTH_INTEL_PWRX:
1750 return perf_sample__fprintf_synth_pwrx(sample, fp);
1751 case PERF_SYNTH_INTEL_CBR:
1752 return perf_sample__fprintf_synth_cbr(sample, fp);
1753 default:
1754 break;
1755 }
1756
1757 return 0;
1758}
1759
1760static int evlist__max_name_len(struct evlist *evlist)
1761{
1762 struct evsel *evsel;
1763 int max = 0;
1764
1765 evlist__for_each_entry(evlist, evsel) {
1766 int len = strlen(evsel__name(evsel));
1767
1768 max = MAX(len, max);
1769 }
1770
1771 return max;
1772}
1773
1774static int data_src__fprintf(u64 data_src, FILE *fp)
1775{
1776 struct mem_info mi = { .data_src.val = data_src };
1777 char decode[100];
1778 char out[100];
1779 static int maxlen;
1780 int len;
1781
1782 perf_script__meminfo_scnprintf(decode, 100, &mi);
1783
1784 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1785 if (maxlen < len)
1786 maxlen = len;
1787
1788 return fprintf(fp, "%-*s", maxlen, out);
1789}
1790
1791struct metric_ctx {
1792 struct perf_sample *sample;
1793 struct thread *thread;
1794 struct evsel *evsel;
1795 FILE *fp;
1796};
1797
1798static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1799 void *ctx, const char *color,
1800 const char *fmt,
1801 const char *unit, double val)
1802{
1803 struct metric_ctx *mctx = ctx;
1804
1805 if (!fmt)
1806 return;
1807 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1808 PERF_RECORD_SAMPLE, mctx->fp);
1809 fputs("\tmetric: ", mctx->fp);
1810 if (color)
1811 color_fprintf(mctx->fp, color, fmt, val);
1812 else
1813 printf(fmt, val);
1814 fprintf(mctx->fp, " %s\n", unit);
1815}
1816
1817static void script_new_line(struct perf_stat_config *config __maybe_unused,
1818 void *ctx)
1819{
1820 struct metric_ctx *mctx = ctx;
1821
1822 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1823 PERF_RECORD_SAMPLE, mctx->fp);
1824 fputs("\tmetric: ", mctx->fp);
1825}
1826
1827static void perf_sample__fprint_metric(struct perf_script *script,
1828 struct thread *thread,
1829 struct evsel *evsel,
1830 struct perf_sample *sample,
1831 FILE *fp)
1832{
1833 struct perf_stat_output_ctx ctx = {
1834 .print_metric = script_print_metric,
1835 .new_line = script_new_line,
1836 .ctx = &(struct metric_ctx) {
1837 .sample = sample,
1838 .thread = thread,
1839 .evsel = evsel,
1840 .fp = fp,
1841 },
1842 .force_header = false,
1843 };
1844 struct evsel *ev2;
1845 u64 val;
1846
1847 if (!evsel->stats)
1848 perf_evlist__alloc_stats(script->session->evlist, false);
1849 if (evsel_script(evsel->leader)->gnum++ == 0)
1850 perf_stat__reset_shadow_stats();
1851 val = sample->period * evsel->scale;
1852 perf_stat__update_shadow_stats(evsel,
1853 val,
1854 sample->cpu,
1855 &rt_stat);
1856 evsel_script(evsel)->val = val;
1857 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1858 for_each_group_member (ev2, evsel->leader) {
1859 perf_stat__print_shadow_stats(&stat_config, ev2,
1860 evsel_script(ev2)->val,
1861 sample->cpu,
1862 &ctx,
1863 NULL,
1864 &rt_stat);
1865 }
1866 evsel_script(evsel->leader)->gnum = 0;
1867 }
1868}
1869
1870static bool show_event(struct perf_sample *sample,
1871 struct evsel *evsel,
1872 struct thread *thread,
1873 struct addr_location *al)
1874{
1875 int depth = thread_stack__depth(thread, sample->cpu);
1876
1877 if (!symbol_conf.graph_function)
1878 return true;
1879
1880 if (thread->filter) {
1881 if (depth <= thread->filter_entry_depth) {
1882 thread->filter = false;
1883 return false;
1884 }
1885 return true;
1886 } else {
1887 const char *s = symbol_conf.graph_function;
1888 u64 ip;
1889 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1890 &ip);
1891 unsigned nlen;
1892
1893 if (!name)
1894 return false;
1895 nlen = strlen(name);
1896 while (*s) {
1897 unsigned len = strcspn(s, ",");
1898 if (nlen == len && !strncmp(name, s, len)) {
1899 thread->filter = true;
1900 thread->filter_entry_depth = depth;
1901 return true;
1902 }
1903 s += len;
1904 if (*s == ',')
1905 s++;
1906 }
1907 return false;
1908 }
1909}
1910
1911static void process_event(struct perf_script *script,
1912 struct perf_sample *sample, struct evsel *evsel,
1913 struct addr_location *al,
1914 struct machine *machine)
1915{
1916 struct thread *thread = al->thread;
1917 struct perf_event_attr *attr = &evsel->core.attr;
1918 unsigned int type = output_type(attr->type);
1919 struct evsel_script *es = evsel->priv;
1920 FILE *fp = es->fp;
1921
1922 if (output[type].fields == 0)
1923 return;
1924
1925 if (!show_event(sample, evsel, thread, al))
1926 return;
1927
1928 if (evswitch__discard(&script->evswitch, evsel))
1929 return;
1930
1931 ++es->samples;
1932
1933 perf_sample__fprintf_start(script, sample, thread, evsel,
1934 PERF_RECORD_SAMPLE, fp);
1935
1936 if (PRINT_FIELD(PERIOD))
1937 fprintf(fp, "%10" PRIu64 " ", sample->period);
1938
1939 if (PRINT_FIELD(EVNAME)) {
1940 const char *evname = evsel__name(evsel);
1941
1942 if (!script->name_width)
1943 script->name_width = evlist__max_name_len(script->session->evlist);
1944
1945 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1946 }
1947
1948 if (print_flags)
1949 perf_sample__fprintf_flags(sample->flags, fp);
1950
1951 if (is_bts_event(attr)) {
1952 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1953 return;
1954 }
1955
1956 if (PRINT_FIELD(TRACE) && sample->raw_data) {
1957 event_format__fprintf(evsel->tp_format, sample->cpu,
1958 sample->raw_data, sample->raw_size, fp);
1959 }
1960
1961 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1962 perf_sample__fprintf_synth(sample, evsel, fp);
1963
1964 if (PRINT_FIELD(ADDR))
1965 perf_sample__fprintf_addr(sample, thread, attr, fp);
1966
1967 if (PRINT_FIELD(DATA_SRC))
1968 data_src__fprintf(sample->data_src, fp);
1969
1970 if (PRINT_FIELD(WEIGHT))
1971 fprintf(fp, "%16" PRIu64, sample->weight);
1972
1973 if (PRINT_FIELD(IP)) {
1974 struct callchain_cursor *cursor = NULL;
1975
1976 if (script->stitch_lbr)
1977 al->thread->lbr_stitch_enable = true;
1978
1979 if (symbol_conf.use_callchain && sample->callchain &&
1980 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1981 sample, NULL, NULL, scripting_max_stack) == 0)
1982 cursor = &callchain_cursor;
1983
1984 fputc(cursor ? '\n' : ' ', fp);
1985 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1986 symbol_conf.bt_stop_list, fp);
1987 }
1988
1989 if (PRINT_FIELD(IREGS))
1990 perf_sample__fprintf_iregs(sample, attr, fp);
1991
1992 if (PRINT_FIELD(UREGS))
1993 perf_sample__fprintf_uregs(sample, attr, fp);
1994
1995 if (PRINT_FIELD(BRSTACK))
1996 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1997 else if (PRINT_FIELD(BRSTACKSYM))
1998 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1999 else if (PRINT_FIELD(BRSTACKOFF))
2000 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2001
2002 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2003 perf_sample__fprintf_bpf_output(sample, fp);
2004 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2005
2006 if (PRINT_FIELD(PHYS_ADDR))
2007 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2008
2009 perf_sample__fprintf_ipc(sample, attr, fp);
2010
2011 fprintf(fp, "\n");
2012
2013 if (PRINT_FIELD(SRCCODE)) {
2014 if (map__fprintf_srccode(al->map, al->addr, stdout,
2015 &thread->srccode_state))
2016 printf("\n");
2017 }
2018
2019 if (PRINT_FIELD(METRIC))
2020 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2021
2022 if (verbose)
2023 fflush(fp);
2024}
2025
2026static struct scripting_ops *scripting_ops;
2027
2028static void __process_stat(struct evsel *counter, u64 tstamp)
2029{
2030 int nthreads = perf_thread_map__nr(counter->core.threads);
2031 int ncpus = evsel__nr_cpus(counter);
2032 int cpu, thread;
2033 static int header_printed;
2034
2035 if (counter->core.system_wide)
2036 nthreads = 1;
2037
2038 if (!header_printed) {
2039 printf("%3s %8s %15s %15s %15s %15s %s\n",
2040 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2041 header_printed = 1;
2042 }
2043
2044 for (thread = 0; thread < nthreads; thread++) {
2045 for (cpu = 0; cpu < ncpus; cpu++) {
2046 struct perf_counts_values *counts;
2047
2048 counts = perf_counts(counter->counts, cpu, thread);
2049
2050 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2051 counter->core.cpus->map[cpu],
2052 perf_thread_map__pid(counter->core.threads, thread),
2053 counts->val,
2054 counts->ena,
2055 counts->run,
2056 tstamp,
2057 evsel__name(counter));
2058 }
2059 }
2060}
2061
2062static void process_stat(struct evsel *counter, u64 tstamp)
2063{
2064 if (scripting_ops && scripting_ops->process_stat)
2065 scripting_ops->process_stat(&stat_config, counter, tstamp);
2066 else
2067 __process_stat(counter, tstamp);
2068}
2069
2070static void process_stat_interval(u64 tstamp)
2071{
2072 if (scripting_ops && scripting_ops->process_stat_interval)
2073 scripting_ops->process_stat_interval(tstamp);
2074}
2075
2076static void setup_scripting(void)
2077{
2078 setup_perl_scripting();
2079 setup_python_scripting();
2080}
2081
2082static int flush_scripting(void)
2083{
2084 return scripting_ops ? scripting_ops->flush_script() : 0;
2085}
2086
2087static int cleanup_scripting(void)
2088{
2089 pr_debug("\nperf script stopped\n");
2090
2091 return scripting_ops ? scripting_ops->stop_script() : 0;
2092}
2093
2094static bool filter_cpu(struct perf_sample *sample)
2095{
2096 if (cpu_list && sample->cpu != (u32)-1)
2097 return !test_bit(sample->cpu, cpu_bitmap);
2098 return false;
2099}
2100
2101static int process_sample_event(struct perf_tool *tool,
2102 union perf_event *event,
2103 struct perf_sample *sample,
2104 struct evsel *evsel,
2105 struct machine *machine)
2106{
2107 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2108 struct addr_location al;
2109
2110 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2111 sample->time)) {
2112 return 0;
2113 }
2114
2115 if (debug_mode) {
2116 if (sample->time < last_timestamp) {
2117 pr_err("Samples misordered, previous: %" PRIu64
2118 " this: %" PRIu64 "\n", last_timestamp,
2119 sample->time);
2120 nr_unordered++;
2121 }
2122 last_timestamp = sample->time;
2123 return 0;
2124 }
2125
2126 if (machine__resolve(machine, &al, sample) < 0) {
2127 pr_err("problem processing %d event, skipping it.\n",
2128 event->header.type);
2129 return -1;
2130 }
2131
2132 if (al.filtered)
2133 goto out_put;
2134
2135 if (filter_cpu(sample))
2136 goto out_put;
2137
2138 if (scripting_ops)
2139 scripting_ops->process_event(event, sample, evsel, &al);
2140 else
2141 process_event(scr, sample, evsel, &al, machine);
2142
2143out_put:
2144 addr_location__put(&al);
2145 return 0;
2146}
2147
2148static int process_attr(struct perf_tool *tool, union perf_event *event,
2149 struct evlist **pevlist)
2150{
2151 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2152 struct evlist *evlist;
2153 struct evsel *evsel, *pos;
2154 u64 sample_type;
2155 int err;
2156 static struct evsel_script *es;
2157
2158 err = perf_event__process_attr(tool, event, pevlist);
2159 if (err)
2160 return err;
2161
2162 evlist = *pevlist;
2163 evsel = evlist__last(*pevlist);
2164
2165 if (!evsel->priv) {
2166 if (scr->per_event_dump) {
2167 evsel->priv = perf_evsel_script__new(evsel,
2168 scr->session->data);
2169 } else {
2170 es = zalloc(sizeof(*es));
2171 if (!es)
2172 return -ENOMEM;
2173 es->fp = stdout;
2174 evsel->priv = es;
2175 }
2176 }
2177
2178 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2179 evsel->core.attr.type != PERF_TYPE_SYNTH)
2180 return 0;
2181
2182 evlist__for_each_entry(evlist, pos) {
2183 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2184 return 0;
2185 }
2186
2187 if (evsel->core.attr.sample_type) {
2188 err = evsel__check_attr(evsel, scr->session);
2189 if (err)
2190 return err;
2191 }
2192
2193 /*
2194 * Check if we need to enable callchains based
2195 * on events sample_type.
2196 */
2197 sample_type = evlist__combined_sample_type(evlist);
2198 callchain_param_setup(sample_type);
2199
2200 /* Enable fields for callchain entries */
2201 if (symbol_conf.use_callchain &&
2202 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2203 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2204 (sample_type & PERF_SAMPLE_REGS_USER &&
2205 sample_type & PERF_SAMPLE_STACK_USER))) {
2206 int type = output_type(evsel->core.attr.type);
2207
2208 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2209 output[type].fields |= PERF_OUTPUT_IP;
2210 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2211 output[type].fields |= PERF_OUTPUT_SYM;
2212 }
2213 set_print_ip_opts(&evsel->core.attr);
2214 return 0;
2215}
2216
2217static int print_event_with_time(struct perf_tool *tool,
2218 union perf_event *event,
2219 struct perf_sample *sample,
2220 struct machine *machine,
2221 pid_t pid, pid_t tid, u64 timestamp)
2222{
2223 struct perf_script *script = container_of(tool, struct perf_script, tool);
2224 struct perf_session *session = script->session;
2225 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2226 struct thread *thread = NULL;
2227
2228 if (evsel && !evsel->core.attr.sample_id_all) {
2229 sample->cpu = 0;
2230 sample->time = timestamp;
2231 sample->pid = pid;
2232 sample->tid = tid;
2233 }
2234
2235 if (filter_cpu(sample))
2236 return 0;
2237
2238 if (tid != -1)
2239 thread = machine__findnew_thread(machine, pid, tid);
2240
2241 if (thread && evsel) {
2242 perf_sample__fprintf_start(script, sample, thread, evsel,
2243 event->header.type, stdout);
2244 }
2245
2246 perf_event__fprintf(event, machine, stdout);
2247
2248 thread__put(thread);
2249
2250 return 0;
2251}
2252
2253static int print_event(struct perf_tool *tool, union perf_event *event,
2254 struct perf_sample *sample, struct machine *machine,
2255 pid_t pid, pid_t tid)
2256{
2257 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2258}
2259
2260static int process_comm_event(struct perf_tool *tool,
2261 union perf_event *event,
2262 struct perf_sample *sample,
2263 struct machine *machine)
2264{
2265 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2266 return -1;
2267
2268 return print_event(tool, event, sample, machine, event->comm.pid,
2269 event->comm.tid);
2270}
2271
2272static int process_namespaces_event(struct perf_tool *tool,
2273 union perf_event *event,
2274 struct perf_sample *sample,
2275 struct machine *machine)
2276{
2277 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2278 return -1;
2279
2280 return print_event(tool, event, sample, machine, event->namespaces.pid,
2281 event->namespaces.tid);
2282}
2283
2284static int process_cgroup_event(struct perf_tool *tool,
2285 union perf_event *event,
2286 struct perf_sample *sample,
2287 struct machine *machine)
2288{
2289 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2290 return -1;
2291
2292 return print_event(tool, event, sample, machine, sample->pid,
2293 sample->tid);
2294}
2295
2296static int process_fork_event(struct perf_tool *tool,
2297 union perf_event *event,
2298 struct perf_sample *sample,
2299 struct machine *machine)
2300{
2301 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2302 return -1;
2303
2304 return print_event_with_time(tool, event, sample, machine,
2305 event->fork.pid, event->fork.tid,
2306 event->fork.time);
2307}
2308static int process_exit_event(struct perf_tool *tool,
2309 union perf_event *event,
2310 struct perf_sample *sample,
2311 struct machine *machine)
2312{
2313 /* Print before 'exit' deletes anything */
2314 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2315 event->fork.tid, event->fork.time))
2316 return -1;
2317
2318 return perf_event__process_exit(tool, event, sample, machine);
2319}
2320
2321static int process_mmap_event(struct perf_tool *tool,
2322 union perf_event *event,
2323 struct perf_sample *sample,
2324 struct machine *machine)
2325{
2326 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2327 return -1;
2328
2329 return print_event(tool, event, sample, machine, event->mmap.pid,
2330 event->mmap.tid);
2331}
2332
2333static int process_mmap2_event(struct perf_tool *tool,
2334 union perf_event *event,
2335 struct perf_sample *sample,
2336 struct machine *machine)
2337{
2338 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2339 return -1;
2340
2341 return print_event(tool, event, sample, machine, event->mmap2.pid,
2342 event->mmap2.tid);
2343}
2344
2345static int process_switch_event(struct perf_tool *tool,
2346 union perf_event *event,
2347 struct perf_sample *sample,
2348 struct machine *machine)
2349{
2350 struct perf_script *script = container_of(tool, struct perf_script, tool);
2351
2352 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2353 return -1;
2354
2355 if (scripting_ops && scripting_ops->process_switch)
2356 scripting_ops->process_switch(event, sample, machine);
2357
2358 if (!script->show_switch_events)
2359 return 0;
2360
2361 return print_event(tool, event, sample, machine, sample->pid,
2362 sample->tid);
2363}
2364
2365static int
2366process_lost_event(struct perf_tool *tool,
2367 union perf_event *event,
2368 struct perf_sample *sample,
2369 struct machine *machine)
2370{
2371 return print_event(tool, event, sample, machine, sample->pid,
2372 sample->tid);
2373}
2374
2375static int
2376process_finished_round_event(struct perf_tool *tool __maybe_unused,
2377 union perf_event *event,
2378 struct ordered_events *oe __maybe_unused)
2379
2380{
2381 perf_event__fprintf(event, NULL, stdout);
2382 return 0;
2383}
2384
2385static int
2386process_bpf_events(struct perf_tool *tool __maybe_unused,
2387 union perf_event *event,
2388 struct perf_sample *sample,
2389 struct machine *machine)
2390{
2391 if (machine__process_ksymbol(machine, event, sample) < 0)
2392 return -1;
2393
2394 return print_event(tool, event, sample, machine, sample->pid,
2395 sample->tid);
2396}
2397
2398static int process_text_poke_events(struct perf_tool *tool,
2399 union perf_event *event,
2400 struct perf_sample *sample,
2401 struct machine *machine)
2402{
2403 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2404 return -1;
2405
2406 return print_event(tool, event, sample, machine, sample->pid,
2407 sample->tid);
2408}
2409
2410static void sig_handler(int sig __maybe_unused)
2411{
2412 session_done = 1;
2413}
2414
2415static void perf_script__fclose_per_event_dump(struct perf_script *script)
2416{
2417 struct evlist *evlist = script->session->evlist;
2418 struct evsel *evsel;
2419
2420 evlist__for_each_entry(evlist, evsel) {
2421 if (!evsel->priv)
2422 break;
2423 perf_evsel_script__delete(evsel->priv);
2424 evsel->priv = NULL;
2425 }
2426}
2427
2428static int perf_script__fopen_per_event_dump(struct perf_script *script)
2429{
2430 struct evsel *evsel;
2431
2432 evlist__for_each_entry(script->session->evlist, evsel) {
2433 /*
2434 * Already setup? I.e. we may be called twice in cases like
2435 * Intel PT, one for the intel_pt// and dummy events, then
2436 * for the evsels syntheized from the auxtrace info.
2437 *
2438 * Ses perf_script__process_auxtrace_info.
2439 */
2440 if (evsel->priv != NULL)
2441 continue;
2442
2443 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2444 if (evsel->priv == NULL)
2445 goto out_err_fclose;
2446 }
2447
2448 return 0;
2449
2450out_err_fclose:
2451 perf_script__fclose_per_event_dump(script);
2452 return -1;
2453}
2454
2455static int perf_script__setup_per_event_dump(struct perf_script *script)
2456{
2457 struct evsel *evsel;
2458 static struct evsel_script es_stdout;
2459
2460 if (script->per_event_dump)
2461 return perf_script__fopen_per_event_dump(script);
2462
2463 es_stdout.fp = stdout;
2464
2465 evlist__for_each_entry(script->session->evlist, evsel)
2466 evsel->priv = &es_stdout;
2467
2468 return 0;
2469}
2470
2471static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2472{
2473 struct evsel *evsel;
2474
2475 evlist__for_each_entry(script->session->evlist, evsel) {
2476 struct evsel_script *es = evsel->priv;
2477
2478 perf_evsel_script__fprintf(es, stdout);
2479 perf_evsel_script__delete(es);
2480 evsel->priv = NULL;
2481 }
2482}
2483
2484static int __cmd_script(struct perf_script *script)
2485{
2486 int ret;
2487
2488 signal(SIGINT, sig_handler);
2489
2490 perf_stat__init_shadow_stats();
2491
2492 /* override event processing functions */
2493 if (script->show_task_events) {
2494 script->tool.comm = process_comm_event;
2495 script->tool.fork = process_fork_event;
2496 script->tool.exit = process_exit_event;
2497 }
2498 if (script->show_mmap_events) {
2499 script->tool.mmap = process_mmap_event;
2500 script->tool.mmap2 = process_mmap2_event;
2501 }
2502 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2503 script->tool.context_switch = process_switch_event;
2504 if (script->show_namespace_events)
2505 script->tool.namespaces = process_namespaces_event;
2506 if (script->show_cgroup_events)
2507 script->tool.cgroup = process_cgroup_event;
2508 if (script->show_lost_events)
2509 script->tool.lost = process_lost_event;
2510 if (script->show_round_events) {
2511 script->tool.ordered_events = false;
2512 script->tool.finished_round = process_finished_round_event;
2513 }
2514 if (script->show_bpf_events) {
2515 script->tool.ksymbol = process_bpf_events;
2516 script->tool.bpf = process_bpf_events;
2517 }
2518 if (script->show_text_poke_events) {
2519 script->tool.ksymbol = process_bpf_events;
2520 script->tool.text_poke = process_text_poke_events;
2521 }
2522
2523 if (perf_script__setup_per_event_dump(script)) {
2524 pr_err("Couldn't create the per event dump files\n");
2525 return -1;
2526 }
2527
2528 ret = perf_session__process_events(script->session);
2529
2530 if (script->per_event_dump)
2531 perf_script__exit_per_event_dump_stats(script);
2532
2533 if (debug_mode)
2534 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2535
2536 return ret;
2537}
2538
2539struct script_spec {
2540 struct list_head node;
2541 struct scripting_ops *ops;
2542 char spec[];
2543};
2544
2545static LIST_HEAD(script_specs);
2546
2547static struct script_spec *script_spec__new(const char *spec,
2548 struct scripting_ops *ops)
2549{
2550 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2551
2552 if (s != NULL) {
2553 strcpy(s->spec, spec);
2554 s->ops = ops;
2555 }
2556
2557 return s;
2558}
2559
2560static void script_spec__add(struct script_spec *s)
2561{
2562 list_add_tail(&s->node, &script_specs);
2563}
2564
2565static struct script_spec *script_spec__find(const char *spec)
2566{
2567 struct script_spec *s;
2568
2569 list_for_each_entry(s, &script_specs, node)
2570 if (strcasecmp(s->spec, spec) == 0)
2571 return s;
2572 return NULL;
2573}
2574
2575int script_spec_register(const char *spec, struct scripting_ops *ops)
2576{
2577 struct script_spec *s;
2578
2579 s = script_spec__find(spec);
2580 if (s)
2581 return -1;
2582
2583 s = script_spec__new(spec, ops);
2584 if (!s)
2585 return -1;
2586 else
2587 script_spec__add(s);
2588
2589 return 0;
2590}
2591
2592static struct scripting_ops *script_spec__lookup(const char *spec)
2593{
2594 struct script_spec *s = script_spec__find(spec);
2595 if (!s)
2596 return NULL;
2597
2598 return s->ops;
2599}
2600
2601static void list_available_languages(void)
2602{
2603 struct script_spec *s;
2604
2605 fprintf(stderr, "\n");
2606 fprintf(stderr, "Scripting language extensions (used in "
2607 "perf script -s [spec:]script.[spec]):\n\n");
2608
2609 list_for_each_entry(s, &script_specs, node)
2610 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2611
2612 fprintf(stderr, "\n");
2613}
2614
2615static int parse_scriptname(const struct option *opt __maybe_unused,
2616 const char *str, int unset __maybe_unused)
2617{
2618 char spec[PATH_MAX];
2619 const char *script, *ext;
2620 int len;
2621
2622 if (strcmp(str, "lang") == 0) {
2623 list_available_languages();
2624 exit(0);
2625 }
2626
2627 script = strchr(str, ':');
2628 if (script) {
2629 len = script - str;
2630 if (len >= PATH_MAX) {
2631 fprintf(stderr, "invalid language specifier");
2632 return -1;
2633 }
2634 strncpy(spec, str, len);
2635 spec[len] = '\0';
2636 scripting_ops = script_spec__lookup(spec);
2637 if (!scripting_ops) {
2638 fprintf(stderr, "invalid language specifier");
2639 return -1;
2640 }
2641 script++;
2642 } else {
2643 script = str;
2644 ext = strrchr(script, '.');
2645 if (!ext) {
2646 fprintf(stderr, "invalid script extension");
2647 return -1;
2648 }
2649 scripting_ops = script_spec__lookup(++ext);
2650 if (!scripting_ops) {
2651 fprintf(stderr, "invalid script extension");
2652 return -1;
2653 }
2654 }
2655
2656 script_name = strdup(script);
2657
2658 return 0;
2659}
2660
2661static int parse_output_fields(const struct option *opt __maybe_unused,
2662 const char *arg, int unset __maybe_unused)
2663{
2664 char *tok, *strtok_saveptr = NULL;
2665 int i, imax = ARRAY_SIZE(all_output_options);
2666 int j;
2667 int rc = 0;
2668 char *str = strdup(arg);
2669 int type = -1;
2670 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2671
2672 if (!str)
2673 return -ENOMEM;
2674
2675 /* first word can state for which event type the user is specifying
2676 * the fields. If no type exists, the specified fields apply to all
2677 * event types found in the file minus the invalid fields for a type.
2678 */
2679 tok = strchr(str, ':');
2680 if (tok) {
2681 *tok = '\0';
2682 tok++;
2683 if (!strcmp(str, "hw"))
2684 type = PERF_TYPE_HARDWARE;
2685 else if (!strcmp(str, "sw"))
2686 type = PERF_TYPE_SOFTWARE;
2687 else if (!strcmp(str, "trace"))
2688 type = PERF_TYPE_TRACEPOINT;
2689 else if (!strcmp(str, "raw"))
2690 type = PERF_TYPE_RAW;
2691 else if (!strcmp(str, "break"))
2692 type = PERF_TYPE_BREAKPOINT;
2693 else if (!strcmp(str, "synth"))
2694 type = OUTPUT_TYPE_SYNTH;
2695 else {
2696 fprintf(stderr, "Invalid event type in field string.\n");
2697 rc = -EINVAL;
2698 goto out;
2699 }
2700
2701 if (output[type].user_set)
2702 pr_warning("Overriding previous field request for %s events.\n",
2703 event_type(type));
2704
2705 /* Don't override defaults for +- */
2706 if (strchr(tok, '+') || strchr(tok, '-'))
2707 goto parse;
2708
2709 output[type].fields = 0;
2710 output[type].user_set = true;
2711 output[type].wildcard_set = false;
2712
2713 } else {
2714 tok = str;
2715 if (strlen(str) == 0) {
2716 fprintf(stderr,
2717 "Cannot set fields to 'none' for all event types.\n");
2718 rc = -EINVAL;
2719 goto out;
2720 }
2721
2722 /* Don't override defaults for +- */
2723 if (strchr(str, '+') || strchr(str, '-'))
2724 goto parse;
2725
2726 if (output_set_by_user())
2727 pr_warning("Overriding previous field request for all events.\n");
2728
2729 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2730 output[j].fields = 0;
2731 output[j].user_set = true;
2732 output[j].wildcard_set = true;
2733 }
2734 }
2735
2736parse:
2737 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2738 if (*tok == '+') {
2739 if (change == SET)
2740 goto out_badmix;
2741 change = ADD;
2742 tok++;
2743 } else if (*tok == '-') {
2744 if (change == SET)
2745 goto out_badmix;
2746 change = REMOVE;
2747 tok++;
2748 } else {
2749 if (change != SET && change != DEFAULT)
2750 goto out_badmix;
2751 change = SET;
2752 }
2753
2754 for (i = 0; i < imax; ++i) {
2755 if (strcmp(tok, all_output_options[i].str) == 0)
2756 break;
2757 }
2758 if (i == imax && strcmp(tok, "flags") == 0) {
2759 print_flags = change == REMOVE ? false : true;
2760 continue;
2761 }
2762 if (i == imax) {
2763 fprintf(stderr, "Invalid field requested.\n");
2764 rc = -EINVAL;
2765 goto out;
2766 }
2767
2768 if (type == -1) {
2769 /* add user option to all events types for
2770 * which it is valid
2771 */
2772 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2773 if (output[j].invalid_fields & all_output_options[i].field) {
2774 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2775 all_output_options[i].str, event_type(j));
2776 } else {
2777 if (change == REMOVE) {
2778 output[j].fields &= ~all_output_options[i].field;
2779 output[j].user_set_fields &= ~all_output_options[i].field;
2780 output[j].user_unset_fields |= all_output_options[i].field;
2781 } else {
2782 output[j].fields |= all_output_options[i].field;
2783 output[j].user_set_fields |= all_output_options[i].field;
2784 output[j].user_unset_fields &= ~all_output_options[i].field;
2785 }
2786 output[j].user_set = true;
2787 output[j].wildcard_set = true;
2788 }
2789 }
2790 } else {
2791 if (output[type].invalid_fields & all_output_options[i].field) {
2792 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2793 all_output_options[i].str, event_type(type));
2794
2795 rc = -EINVAL;
2796 goto out;
2797 }
2798 if (change == REMOVE)
2799 output[type].fields &= ~all_output_options[i].field;
2800 else
2801 output[type].fields |= all_output_options[i].field;
2802 output[type].user_set = true;
2803 output[type].wildcard_set = true;
2804 }
2805 }
2806
2807 if (type >= 0) {
2808 if (output[type].fields == 0) {
2809 pr_debug("No fields requested for %s type. "
2810 "Events will not be displayed.\n", event_type(type));
2811 }
2812 }
2813 goto out;
2814
2815out_badmix:
2816 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2817 rc = -EINVAL;
2818out:
2819 free(str);
2820 return rc;
2821}
2822
2823#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2824 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2825 if ((lang_dirent->d_type == DT_DIR || \
2826 (lang_dirent->d_type == DT_UNKNOWN && \
2827 is_directory(scripts_path, lang_dirent))) && \
2828 (strcmp(lang_dirent->d_name, ".")) && \
2829 (strcmp(lang_dirent->d_name, "..")))
2830
2831#define for_each_script(lang_path, lang_dir, script_dirent) \
2832 while ((script_dirent = readdir(lang_dir)) != NULL) \
2833 if (script_dirent->d_type != DT_DIR && \
2834 (script_dirent->d_type != DT_UNKNOWN || \
2835 !is_directory(lang_path, script_dirent)))
2836
2837
2838#define RECORD_SUFFIX "-record"
2839#define REPORT_SUFFIX "-report"
2840
2841struct script_desc {
2842 struct list_head node;
2843 char *name;
2844 char *half_liner;
2845 char *args;
2846};
2847
2848static LIST_HEAD(script_descs);
2849
2850static struct script_desc *script_desc__new(const char *name)
2851{
2852 struct script_desc *s = zalloc(sizeof(*s));
2853
2854 if (s != NULL && name)
2855 s->name = strdup(name);
2856
2857 return s;
2858}
2859
2860static void script_desc__delete(struct script_desc *s)
2861{
2862 zfree(&s->name);
2863 zfree(&s->half_liner);
2864 zfree(&s->args);
2865 free(s);
2866}
2867
2868static void script_desc__add(struct script_desc *s)
2869{
2870 list_add_tail(&s->node, &script_descs);
2871}
2872
2873static struct script_desc *script_desc__find(const char *name)
2874{
2875 struct script_desc *s;
2876
2877 list_for_each_entry(s, &script_descs, node)
2878 if (strcasecmp(s->name, name) == 0)
2879 return s;
2880 return NULL;
2881}
2882
2883static struct script_desc *script_desc__findnew(const char *name)
2884{
2885 struct script_desc *s = script_desc__find(name);
2886
2887 if (s)
2888 return s;
2889
2890 s = script_desc__new(name);
2891 if (!s)
2892 return NULL;
2893
2894 script_desc__add(s);
2895
2896 return s;
2897}
2898
2899static const char *ends_with(const char *str, const char *suffix)
2900{
2901 size_t suffix_len = strlen(suffix);
2902 const char *p = str;
2903
2904 if (strlen(str) > suffix_len) {
2905 p = str + strlen(str) - suffix_len;
2906 if (!strncmp(p, suffix, suffix_len))
2907 return p;
2908 }
2909
2910 return NULL;
2911}
2912
2913static int read_script_info(struct script_desc *desc, const char *filename)
2914{
2915 char line[BUFSIZ], *p;
2916 FILE *fp;
2917
2918 fp = fopen(filename, "r");
2919 if (!fp)
2920 return -1;
2921
2922 while (fgets(line, sizeof(line), fp)) {
2923 p = skip_spaces(line);
2924 if (strlen(p) == 0)
2925 continue;
2926 if (*p != '#')
2927 continue;
2928 p++;
2929 if (strlen(p) && *p == '!')
2930 continue;
2931
2932 p = skip_spaces(p);
2933 if (strlen(p) && p[strlen(p) - 1] == '\n')
2934 p[strlen(p) - 1] = '\0';
2935
2936 if (!strncmp(p, "description:", strlen("description:"))) {
2937 p += strlen("description:");
2938 desc->half_liner = strdup(skip_spaces(p));
2939 continue;
2940 }
2941
2942 if (!strncmp(p, "args:", strlen("args:"))) {
2943 p += strlen("args:");
2944 desc->args = strdup(skip_spaces(p));
2945 continue;
2946 }
2947 }
2948
2949 fclose(fp);
2950
2951 return 0;
2952}
2953
2954static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2955{
2956 char *script_root, *str;
2957
2958 script_root = strdup(script_dirent->d_name);
2959 if (!script_root)
2960 return NULL;
2961
2962 str = (char *)ends_with(script_root, suffix);
2963 if (!str) {
2964 free(script_root);
2965 return NULL;
2966 }
2967
2968 *str = '\0';
2969 return script_root;
2970}
2971
2972static int list_available_scripts(const struct option *opt __maybe_unused,
2973 const char *s __maybe_unused,
2974 int unset __maybe_unused)
2975{
2976 struct dirent *script_dirent, *lang_dirent;
2977 char scripts_path[MAXPATHLEN];
2978 DIR *scripts_dir, *lang_dir;
2979 char script_path[MAXPATHLEN];
2980 char lang_path[MAXPATHLEN];
2981 struct script_desc *desc;
2982 char first_half[BUFSIZ];
2983 char *script_root;
2984
2985 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2986
2987 scripts_dir = opendir(scripts_path);
2988 if (!scripts_dir) {
2989 fprintf(stdout,
2990 "open(%s) failed.\n"
2991 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2992 scripts_path);
2993 exit(-1);
2994 }
2995
2996 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2997 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2998 lang_dirent->d_name);
2999 lang_dir = opendir(lang_path);
3000 if (!lang_dir)
3001 continue;
3002
3003 for_each_script(lang_path, lang_dir, script_dirent) {
3004 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3005 if (script_root) {
3006 desc = script_desc__findnew(script_root);
3007 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3008 lang_path, script_dirent->d_name);
3009 read_script_info(desc, script_path);
3010 free(script_root);
3011 }
3012 }
3013 }
3014
3015 fprintf(stdout, "List of available trace scripts:\n");
3016 list_for_each_entry(desc, &script_descs, node) {
3017 sprintf(first_half, "%s %s", desc->name,
3018 desc->args ? desc->args : "");
3019 fprintf(stdout, " %-36s %s\n", first_half,
3020 desc->half_liner ? desc->half_liner : "");
3021 }
3022
3023 exit(0);
3024}
3025
3026/*
3027 * Some scripts specify the required events in their "xxx-record" file,
3028 * this function will check if the events in perf.data match those
3029 * mentioned in the "xxx-record".
3030 *
3031 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3032 * which is covered well now. And new parsing code should be added to
3033 * cover the future complexing formats like event groups etc.
3034 */
3035static int check_ev_match(char *dir_name, char *scriptname,
3036 struct perf_session *session)
3037{
3038 char filename[MAXPATHLEN], evname[128];
3039 char line[BUFSIZ], *p;
3040 struct evsel *pos;
3041 int match, len;
3042 FILE *fp;
3043
3044 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3045
3046 fp = fopen(filename, "r");
3047 if (!fp)
3048 return -1;
3049
3050 while (fgets(line, sizeof(line), fp)) {
3051 p = skip_spaces(line);
3052 if (*p == '#')
3053 continue;
3054
3055 while (strlen(p)) {
3056 p = strstr(p, "-e");
3057 if (!p)
3058 break;
3059
3060 p += 2;
3061 p = skip_spaces(p);
3062 len = strcspn(p, " \t");
3063 if (!len)
3064 break;
3065
3066 snprintf(evname, len + 1, "%s", p);
3067
3068 match = 0;
3069 evlist__for_each_entry(session->evlist, pos) {
3070 if (!strcmp(evsel__name(pos), evname)) {
3071 match = 1;
3072 break;
3073 }
3074 }
3075
3076 if (!match) {
3077 fclose(fp);
3078 return -1;
3079 }
3080 }
3081 }
3082
3083 fclose(fp);
3084 return 0;
3085}
3086
3087/*
3088 * Return -1 if none is found, otherwise the actual scripts number.
3089 *
3090 * Currently the only user of this function is the script browser, which
3091 * will list all statically runnable scripts, select one, execute it and
3092 * show the output in a perf browser.
3093 */
3094int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3095 int pathlen)
3096{
3097 struct dirent *script_dirent, *lang_dirent;
3098 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3099 DIR *scripts_dir, *lang_dir;
3100 struct perf_session *session;
3101 struct perf_data data = {
3102 .path = input_name,
3103 .mode = PERF_DATA_MODE_READ,
3104 };
3105 char *temp;
3106 int i = 0;
3107
3108 session = perf_session__new(&data, false, NULL);
3109 if (IS_ERR(session))
3110 return PTR_ERR(session);
3111
3112 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3113
3114 scripts_dir = opendir(scripts_path);
3115 if (!scripts_dir) {
3116 perf_session__delete(session);
3117 return -1;
3118 }
3119
3120 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3121 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3122 lang_dirent->d_name);
3123#ifndef HAVE_LIBPERL_SUPPORT
3124 if (strstr(lang_path, "perl"))
3125 continue;
3126#endif
3127#ifndef HAVE_LIBPYTHON_SUPPORT
3128 if (strstr(lang_path, "python"))
3129 continue;
3130#endif
3131
3132 lang_dir = opendir(lang_path);
3133 if (!lang_dir)
3134 continue;
3135
3136 for_each_script(lang_path, lang_dir, script_dirent) {
3137 /* Skip those real time scripts: xxxtop.p[yl] */
3138 if (strstr(script_dirent->d_name, "top."))
3139 continue;
3140 if (i >= num)
3141 break;
3142 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3143 lang_path,
3144 script_dirent->d_name);
3145 temp = strchr(script_dirent->d_name, '.');
3146 snprintf(scripts_array[i],
3147 (temp - script_dirent->d_name) + 1,
3148 "%s", script_dirent->d_name);
3149
3150 if (check_ev_match(lang_path,
3151 scripts_array[i], session))
3152 continue;
3153
3154 i++;
3155 }
3156 closedir(lang_dir);
3157 }
3158
3159 closedir(scripts_dir);
3160 perf_session__delete(session);
3161 return i;
3162}
3163
3164static char *get_script_path(const char *script_root, const char *suffix)
3165{
3166 struct dirent *script_dirent, *lang_dirent;
3167 char scripts_path[MAXPATHLEN];
3168 char script_path[MAXPATHLEN];
3169 DIR *scripts_dir, *lang_dir;
3170 char lang_path[MAXPATHLEN];
3171 char *__script_root;
3172
3173 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3174
3175 scripts_dir = opendir(scripts_path);
3176 if (!scripts_dir)
3177 return NULL;
3178
3179 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3180 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3181 lang_dirent->d_name);
3182 lang_dir = opendir(lang_path);
3183 if (!lang_dir)
3184 continue;
3185
3186 for_each_script(lang_path, lang_dir, script_dirent) {
3187 __script_root = get_script_root(script_dirent, suffix);
3188 if (__script_root && !strcmp(script_root, __script_root)) {
3189 free(__script_root);
3190 closedir(scripts_dir);
3191 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3192 lang_path, script_dirent->d_name);
3193 closedir(lang_dir);
3194 return strdup(script_path);
3195 }
3196 free(__script_root);
3197 }
3198 closedir(lang_dir);
3199 }
3200 closedir(scripts_dir);
3201
3202 return NULL;
3203}
3204
3205static bool is_top_script(const char *script_path)
3206{
3207 return ends_with(script_path, "top") == NULL ? false : true;
3208}
3209
3210static int has_required_arg(char *script_path)
3211{
3212 struct script_desc *desc;
3213 int n_args = 0;
3214 char *p;
3215
3216 desc = script_desc__new(NULL);
3217
3218 if (read_script_info(desc, script_path))
3219 goto out;
3220
3221 if (!desc->args)
3222 goto out;
3223
3224 for (p = desc->args; *p; p++)
3225 if (*p == '<')
3226 n_args++;
3227out:
3228 script_desc__delete(desc);
3229
3230 return n_args;
3231}
3232
3233static int have_cmd(int argc, const char **argv)
3234{
3235 char **__argv = malloc(sizeof(const char *) * argc);
3236
3237 if (!__argv) {
3238 pr_err("malloc failed\n");
3239 return -1;
3240 }
3241
3242 memcpy(__argv, argv, sizeof(const char *) * argc);
3243 argc = parse_options(argc, (const char **)__argv, record_options,
3244 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3245 free(__argv);
3246
3247 system_wide = (argc == 0);
3248
3249 return 0;
3250}
3251
3252static void script__setup_sample_type(struct perf_script *script)
3253{
3254 struct perf_session *session = script->session;
3255 u64 sample_type = evlist__combined_sample_type(session->evlist);
3256
3257 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3258 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3259 (sample_type & PERF_SAMPLE_STACK_USER)) {
3260 callchain_param.record_mode = CALLCHAIN_DWARF;
3261 dwarf_callchain_users = true;
3262 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3263 callchain_param.record_mode = CALLCHAIN_LBR;
3264 else
3265 callchain_param.record_mode = CALLCHAIN_FP;
3266 }
3267
3268 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3269 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3270 "Please apply --call-graph lbr when recording.\n");
3271 script->stitch_lbr = false;
3272 }
3273}
3274
3275static int process_stat_round_event(struct perf_session *session,
3276 union perf_event *event)
3277{
3278 struct perf_record_stat_round *round = &event->stat_round;
3279 struct evsel *counter;
3280
3281 evlist__for_each_entry(session->evlist, counter) {
3282 perf_stat_process_counter(&stat_config, counter);
3283 process_stat(counter, round->time);
3284 }
3285
3286 process_stat_interval(round->time);
3287 return 0;
3288}
3289
3290static int process_stat_config_event(struct perf_session *session __maybe_unused,
3291 union perf_event *event)
3292{
3293 perf_event__read_stat_config(&stat_config, &event->stat_config);
3294 return 0;
3295}
3296
3297static int set_maps(struct perf_script *script)
3298{
3299 struct evlist *evlist = script->session->evlist;
3300
3301 if (!script->cpus || !script->threads)
3302 return 0;
3303
3304 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3305 return -EINVAL;
3306
3307 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3308
3309 if (perf_evlist__alloc_stats(evlist, true))
3310 return -ENOMEM;
3311
3312 script->allocated = true;
3313 return 0;
3314}
3315
3316static
3317int process_thread_map_event(struct perf_session *session,
3318 union perf_event *event)
3319{
3320 struct perf_tool *tool = session->tool;
3321 struct perf_script *script = container_of(tool, struct perf_script, tool);
3322
3323 if (script->threads) {
3324 pr_warning("Extra thread map event, ignoring.\n");
3325 return 0;
3326 }
3327
3328 script->threads = thread_map__new_event(&event->thread_map);
3329 if (!script->threads)
3330 return -ENOMEM;
3331
3332 return set_maps(script);
3333}
3334
3335static
3336int process_cpu_map_event(struct perf_session *session,
3337 union perf_event *event)
3338{
3339 struct perf_tool *tool = session->tool;
3340 struct perf_script *script = container_of(tool, struct perf_script, tool);
3341
3342 if (script->cpus) {
3343 pr_warning("Extra cpu map event, ignoring.\n");
3344 return 0;
3345 }
3346
3347 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3348 if (!script->cpus)
3349 return -ENOMEM;
3350
3351 return set_maps(script);
3352}
3353
3354static int process_feature_event(struct perf_session *session,
3355 union perf_event *event)
3356{
3357 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3358 return perf_event__process_feature(session, event);
3359 return 0;
3360}
3361
3362#ifdef HAVE_AUXTRACE_SUPPORT
3363static int perf_script__process_auxtrace_info(struct perf_session *session,
3364 union perf_event *event)
3365{
3366 struct perf_tool *tool = session->tool;
3367
3368 int ret = perf_event__process_auxtrace_info(session, event);
3369
3370 if (ret == 0) {
3371 struct perf_script *script = container_of(tool, struct perf_script, tool);
3372
3373 ret = perf_script__setup_per_event_dump(script);
3374 }
3375
3376 return ret;
3377}
3378#else
3379#define perf_script__process_auxtrace_info 0
3380#endif
3381
3382static int parse_insn_trace(const struct option *opt __maybe_unused,
3383 const char *str __maybe_unused,
3384 int unset __maybe_unused)
3385{
3386 parse_output_fields(NULL, "+insn,-event,-period", 0);
3387 itrace_parse_synth_opts(opt, "i0ns", 0);
3388 symbol_conf.nanosecs = true;
3389 return 0;
3390}
3391
3392static int parse_xed(const struct option *opt __maybe_unused,
3393 const char *str __maybe_unused,
3394 int unset __maybe_unused)
3395{
3396 if (isatty(1))
3397 force_pager("xed -F insn: -A -64 | less");
3398 else
3399 force_pager("xed -F insn: -A -64");
3400 return 0;
3401}
3402
3403static int parse_call_trace(const struct option *opt __maybe_unused,
3404 const char *str __maybe_unused,
3405 int unset __maybe_unused)
3406{
3407 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3408 itrace_parse_synth_opts(opt, "cewp", 0);
3409 symbol_conf.nanosecs = true;
3410 symbol_conf.pad_output_len_dso = 50;
3411 return 0;
3412}
3413
3414static int parse_callret_trace(const struct option *opt __maybe_unused,
3415 const char *str __maybe_unused,
3416 int unset __maybe_unused)
3417{
3418 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3419 itrace_parse_synth_opts(opt, "crewp", 0);
3420 symbol_conf.nanosecs = true;
3421 return 0;
3422}
3423
3424int cmd_script(int argc, const char **argv)
3425{
3426 bool show_full_info = false;
3427 bool header = false;
3428 bool header_only = false;
3429 bool script_started = false;
3430 char *rec_script_path = NULL;
3431 char *rep_script_path = NULL;
3432 struct perf_session *session;
3433 struct itrace_synth_opts itrace_synth_opts = {
3434 .set = false,
3435 .default_no_sample = true,
3436 };
3437 struct utsname uts;
3438 char *script_path = NULL;
3439 const char **__argv;
3440 int i, j, err = 0;
3441 struct perf_script script = {
3442 .tool = {
3443 .sample = process_sample_event,
3444 .mmap = perf_event__process_mmap,
3445 .mmap2 = perf_event__process_mmap2,
3446 .comm = perf_event__process_comm,
3447 .namespaces = perf_event__process_namespaces,
3448 .cgroup = perf_event__process_cgroup,
3449 .exit = perf_event__process_exit,
3450 .fork = perf_event__process_fork,
3451 .attr = process_attr,
3452 .event_update = perf_event__process_event_update,
3453 .tracing_data = perf_event__process_tracing_data,
3454 .feature = process_feature_event,
3455 .build_id = perf_event__process_build_id,
3456 .id_index = perf_event__process_id_index,
3457 .auxtrace_info = perf_script__process_auxtrace_info,
3458 .auxtrace = perf_event__process_auxtrace,
3459 .auxtrace_error = perf_event__process_auxtrace_error,
3460 .stat = perf_event__process_stat_event,
3461 .stat_round = process_stat_round_event,
3462 .stat_config = process_stat_config_event,
3463 .thread_map = process_thread_map_event,
3464 .cpu_map = process_cpu_map_event,
3465 .ordered_events = true,
3466 .ordering_requires_timestamps = true,
3467 },
3468 };
3469 struct perf_data data = {
3470 .mode = PERF_DATA_MODE_READ,
3471 };
3472 const struct option options[] = {
3473 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3474 "dump raw trace in ASCII"),
3475 OPT_INCR('v', "verbose", &verbose,
3476 "be more verbose (show symbol address, etc)"),
3477 OPT_BOOLEAN('L', "Latency", &latency_format,
3478 "show latency attributes (irqs/preemption disabled, etc)"),
3479 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3480 list_available_scripts),
3481 OPT_CALLBACK('s', "script", NULL, "name",
3482 "script file name (lang:script name, script name, or *)",
3483 parse_scriptname),
3484 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3485 "generate perf-script.xx script in specified language"),
3486 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3487 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3488 "do various checks like samples ordering and lost events"),
3489 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3490 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3491 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3492 "file", "vmlinux pathname"),
3493 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3494 "file", "kallsyms pathname"),
3495 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3496 "When printing symbols do not display call chain"),
3497 OPT_CALLBACK(0, "symfs", NULL, "directory",
3498 "Look for files with symbols relative to this directory",
3499 symbol__config_symfs),
3500 OPT_CALLBACK('F', "fields", NULL, "str",
3501 "comma separated output fields prepend with 'type:'. "
3502 "+field to add and -field to remove."
3503 "Valid types: hw,sw,trace,raw,synth. "
3504 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3505 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3506 "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3507 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod",
3508 parse_output_fields),
3509 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3510 "system-wide collection from all CPUs"),
3511 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3512 "only consider these symbols"),
3513 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3514 "Decode instructions from itrace", parse_insn_trace),
3515 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3516 "Run xed disassembler on output", parse_xed),
3517 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3518 "Decode calls from from itrace", parse_call_trace),
3519 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3520 "Decode calls and returns from itrace", parse_callret_trace),
3521 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3522 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3523 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3524 "Stop display of callgraph at these symbols"),
3525 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3526 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3527 "only display events for these comms"),
3528 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3529 "only consider symbols in these pids"),
3530 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3531 "only consider symbols in these tids"),
3532 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3533 "Set the maximum stack depth when parsing the callchain, "
3534 "anything beyond the specified depth will be ignored. "
3535 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3536 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3537 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3538 OPT_BOOLEAN('I', "show-info", &show_full_info,
3539 "display extended information from perf.data file"),
3540 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3541 "Show the path of [kernel.kallsyms]"),
3542 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3543 "Show the fork/comm/exit events"),
3544 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3545 "Show the mmap events"),
3546 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3547 "Show context switch events (if recorded)"),
3548 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3549 "Show namespace events (if recorded)"),
3550 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3551 "Show cgroup events (if recorded)"),
3552 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3553 "Show lost events (if recorded)"),
3554 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3555 "Show round events (if recorded)"),
3556 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3557 "Show bpf related events (if recorded)"),
3558 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3559 "Show text poke related events (if recorded)"),
3560 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3561 "Dump trace output to files named by the monitored events"),
3562 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3563 OPT_INTEGER(0, "max-blocks", &max_blocks,
3564 "Maximum number of code blocks to dump with brstackinsn"),
3565 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3566 "Use 9 decimal places when displaying time"),
3567 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3568 "Instruction Tracing options\n" ITRACE_HELP,
3569 itrace_parse_synth_opts),
3570 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3571 "Show full source file name path for source lines"),
3572 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3573 "Enable symbol demangling"),
3574 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3575 "Enable kernel symbol demangling"),
3576 OPT_STRING(0, "time", &script.time_str, "str",
3577 "Time span of interest (start,stop)"),
3578 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3579 "Show inline function"),
3580 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3581 "guest mount directory under which every guest os"
3582 " instance has a subdir"),
3583 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3584 "file", "file saving guest os vmlinux"),
3585 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3586 "file", "file saving guest os /proc/kallsyms"),
3587 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3588 "file", "file saving guest os /proc/modules"),
3589 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3590 "Enable LBR callgraph stitching approach"),
3591 OPTS_EVSWITCH(&script.evswitch),
3592 OPT_END()
3593 };
3594 const char * const script_subcommands[] = { "record", "report", NULL };
3595 const char *script_usage[] = {
3596 "perf script [<options>]",
3597 "perf script [<options>] record <script> [<record-options>] <command>",
3598 "perf script [<options>] report <script> [script-args]",
3599 "perf script [<options>] <script> [<record-options>] <command>",
3600 "perf script [<options>] <top-script> [script-args]",
3601 NULL
3602 };
3603
3604 perf_set_singlethreaded();
3605
3606 setup_scripting();
3607
3608 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3609 PARSE_OPT_STOP_AT_NON_OPTION);
3610
3611 if (symbol_conf.guestmount ||
3612 symbol_conf.default_guest_vmlinux_name ||
3613 symbol_conf.default_guest_kallsyms ||
3614 symbol_conf.default_guest_modules) {
3615 /*
3616 * Enable guest sample processing.
3617 */
3618 perf_guest = true;
3619 }
3620
3621 data.path = input_name;
3622 data.force = symbol_conf.force;
3623
3624 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3625 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3626 if (!rec_script_path)
3627 return cmd_record(argc, argv);
3628 }
3629
3630 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3631 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3632 if (!rep_script_path) {
3633 fprintf(stderr,
3634 "Please specify a valid report script"
3635 "(see 'perf script -l' for listing)\n");
3636 return -1;
3637 }
3638 }
3639
3640 if (reltime && deltatime) {
3641 fprintf(stderr,
3642 "reltime and deltatime - the two don't get along well. "
3643 "Please limit to --reltime or --deltatime.\n");
3644 return -1;
3645 }
3646
3647 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3648 itrace_synth_opts.callchain_sz > scripting_max_stack)
3649 scripting_max_stack = itrace_synth_opts.callchain_sz;
3650
3651 /* make sure PERF_EXEC_PATH is set for scripts */
3652 set_argv_exec_path(get_argv_exec_path());
3653
3654 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3655 int live_pipe[2];
3656 int rep_args;
3657 pid_t pid;
3658
3659 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3660 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3661
3662 if (!rec_script_path && !rep_script_path) {
3663 usage_with_options_msg(script_usage, options,
3664 "Couldn't find script `%s'\n\n See perf"
3665 " script -l for available scripts.\n", argv[0]);
3666 }
3667
3668 if (is_top_script(argv[0])) {
3669 rep_args = argc - 1;
3670 } else {
3671 int rec_args;
3672
3673 rep_args = has_required_arg(rep_script_path);
3674 rec_args = (argc - 1) - rep_args;
3675 if (rec_args < 0) {
3676 usage_with_options_msg(script_usage, options,
3677 "`%s' script requires options."
3678 "\n\n See perf script -l for available "
3679 "scripts and options.\n", argv[0]);
3680 }
3681 }
3682
3683 if (pipe(live_pipe) < 0) {
3684 perror("failed to create pipe");
3685 return -1;
3686 }
3687
3688 pid = fork();
3689 if (pid < 0) {
3690 perror("failed to fork");
3691 return -1;
3692 }
3693
3694 if (!pid) {
3695 j = 0;
3696
3697 dup2(live_pipe[1], 1);
3698 close(live_pipe[0]);
3699
3700 if (is_top_script(argv[0])) {
3701 system_wide = true;
3702 } else if (!system_wide) {
3703 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3704 err = -1;
3705 goto out;
3706 }
3707 }
3708
3709 __argv = malloc((argc + 6) * sizeof(const char *));
3710 if (!__argv) {
3711 pr_err("malloc failed\n");
3712 err = -ENOMEM;
3713 goto out;
3714 }
3715
3716 __argv[j++] = "/bin/sh";
3717 __argv[j++] = rec_script_path;
3718 if (system_wide)
3719 __argv[j++] = "-a";
3720 __argv[j++] = "-q";
3721 __argv[j++] = "-o";
3722 __argv[j++] = "-";
3723 for (i = rep_args + 1; i < argc; i++)
3724 __argv[j++] = argv[i];
3725 __argv[j++] = NULL;
3726
3727 execvp("/bin/sh", (char **)__argv);
3728 free(__argv);
3729 exit(-1);
3730 }
3731
3732 dup2(live_pipe[0], 0);
3733 close(live_pipe[1]);
3734
3735 __argv = malloc((argc + 4) * sizeof(const char *));
3736 if (!__argv) {
3737 pr_err("malloc failed\n");
3738 err = -ENOMEM;
3739 goto out;
3740 }
3741
3742 j = 0;
3743 __argv[j++] = "/bin/sh";
3744 __argv[j++] = rep_script_path;
3745 for (i = 1; i < rep_args + 1; i++)
3746 __argv[j++] = argv[i];
3747 __argv[j++] = "-i";
3748 __argv[j++] = "-";
3749 __argv[j++] = NULL;
3750
3751 execvp("/bin/sh", (char **)__argv);
3752 free(__argv);
3753 exit(-1);
3754 }
3755
3756 if (rec_script_path)
3757 script_path = rec_script_path;
3758 if (rep_script_path)
3759 script_path = rep_script_path;
3760
3761 if (script_path) {
3762 j = 0;
3763
3764 if (!rec_script_path)
3765 system_wide = false;
3766 else if (!system_wide) {
3767 if (have_cmd(argc - 1, &argv[1]) != 0) {
3768 err = -1;
3769 goto out;
3770 }
3771 }
3772
3773 __argv = malloc((argc + 2) * sizeof(const char *));
3774 if (!__argv) {
3775 pr_err("malloc failed\n");
3776 err = -ENOMEM;
3777 goto out;
3778 }
3779
3780 __argv[j++] = "/bin/sh";
3781 __argv[j++] = script_path;
3782 if (system_wide)
3783 __argv[j++] = "-a";
3784 for (i = 2; i < argc; i++)
3785 __argv[j++] = argv[i];
3786 __argv[j++] = NULL;
3787
3788 execvp("/bin/sh", (char **)__argv);
3789 free(__argv);
3790 exit(-1);
3791 }
3792
3793 if (!script_name) {
3794 setup_pager();
3795 use_browser = 0;
3796 }
3797
3798 session = perf_session__new(&data, false, &script.tool);
3799 if (IS_ERR(session))
3800 return PTR_ERR(session);
3801
3802 if (header || header_only) {
3803 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3804 perf_session__fprintf_info(session, stdout, show_full_info);
3805 if (header_only)
3806 goto out_delete;
3807 }
3808 if (show_full_info)
3809 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3810
3811 if (symbol__init(&session->header.env) < 0)
3812 goto out_delete;
3813
3814 uname(&uts);
3815 if (data.is_pipe || /* assume pipe_mode indicates native_arch */
3816 !strcmp(uts.machine, session->header.env.arch) ||
3817 (!strcmp(uts.machine, "x86_64") &&
3818 !strcmp(session->header.env.arch, "i386")))
3819 native_arch = true;
3820
3821 script.session = session;
3822 script__setup_sample_type(&script);
3823
3824 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3825 symbol_conf.graph_function)
3826 itrace_synth_opts.thread_stack = true;
3827
3828 session->itrace_synth_opts = &itrace_synth_opts;
3829
3830 if (cpu_list) {
3831 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3832 if (err < 0)
3833 goto out_delete;
3834 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3835 }
3836
3837 if (!no_callchain)
3838 symbol_conf.use_callchain = true;
3839 else
3840 symbol_conf.use_callchain = false;
3841
3842 if (session->tevent.pevent &&
3843 tep_set_function_resolver(session->tevent.pevent,
3844 machine__resolve_kernel_addr,
3845 &session->machines.host) < 0) {
3846 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3847 err = -1;
3848 goto out_delete;
3849 }
3850
3851 if (generate_script_lang) {
3852 struct stat perf_stat;
3853 int input;
3854
3855 if (output_set_by_user()) {
3856 fprintf(stderr,
3857 "custom fields not supported for generated scripts");
3858 err = -EINVAL;
3859 goto out_delete;
3860 }
3861
3862 input = open(data.path, O_RDONLY); /* input_name */
3863 if (input < 0) {
3864 err = -errno;
3865 perror("failed to open file");
3866 goto out_delete;
3867 }
3868
3869 err = fstat(input, &perf_stat);
3870 if (err < 0) {
3871 perror("failed to stat file");
3872 goto out_delete;
3873 }
3874
3875 if (!perf_stat.st_size) {
3876 fprintf(stderr, "zero-sized file, nothing to do!\n");
3877 goto out_delete;
3878 }
3879
3880 scripting_ops = script_spec__lookup(generate_script_lang);
3881 if (!scripting_ops) {
3882 fprintf(stderr, "invalid language specifier");
3883 err = -ENOENT;
3884 goto out_delete;
3885 }
3886
3887 err = scripting_ops->generate_script(session->tevent.pevent,
3888 "perf-script");
3889 goto out_delete;
3890 }
3891
3892 if (script_name) {
3893 err = scripting_ops->start_script(script_name, argc, argv);
3894 if (err)
3895 goto out_delete;
3896 pr_debug("perf script started with script %s\n\n", script_name);
3897 script_started = true;
3898 }
3899
3900
3901 err = perf_session__check_output_opt(session);
3902 if (err < 0)
3903 goto out_delete;
3904
3905 if (script.time_str) {
3906 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3907 &script.ptime_range,
3908 &script.range_size,
3909 &script.range_num,
3910 reltime);
3911 if (err < 0)
3912 goto out_delete;
3913
3914 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3915 script.ptime_range,
3916 script.range_num);
3917 }
3918
3919 err = evswitch__init(&script.evswitch, session->evlist, stderr);
3920 if (err)
3921 goto out_delete;
3922
3923 if (zstd_init(&(session->zstd_data), 0) < 0)
3924 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3925
3926 err = __cmd_script(&script);
3927
3928 flush_scripting();
3929
3930out_delete:
3931 if (script.ptime_range) {
3932 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3933 zfree(&script.ptime_range);
3934 }
3935
3936 perf_evlist__free_stats(session->evlist);
3937 perf_session__delete(session);
3938
3939 if (script_started)
3940 cleanup_scripting();
3941out:
3942 return err;
3943}