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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 "util/cgroup.h"
63#include "perf.h"
64
65#include <linux/ctype.h>
66#ifdef HAVE_LIBTRACEEVENT
67#include <traceevent/event-parse.h>
68#endif
69
70static char const *script_name;
71static char const *generate_script_lang;
72static bool reltime;
73static bool deltatime;
74static u64 initial_time;
75static u64 previous_time;
76static bool debug_mode;
77static u64 last_timestamp;
78static u64 nr_unordered;
79static bool no_callchain;
80static bool latency_format;
81static bool system_wide;
82static bool print_flags;
83static const char *cpu_list;
84static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
85static struct perf_stat_config stat_config;
86static int max_blocks;
87static bool native_arch;
88static struct dlfilter *dlfilter;
89static int dlargc;
90static char **dlargv;
91
92unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
93
94enum perf_output_field {
95 PERF_OUTPUT_COMM = 1ULL << 0,
96 PERF_OUTPUT_TID = 1ULL << 1,
97 PERF_OUTPUT_PID = 1ULL << 2,
98 PERF_OUTPUT_TIME = 1ULL << 3,
99 PERF_OUTPUT_CPU = 1ULL << 4,
100 PERF_OUTPUT_EVNAME = 1ULL << 5,
101 PERF_OUTPUT_TRACE = 1ULL << 6,
102 PERF_OUTPUT_IP = 1ULL << 7,
103 PERF_OUTPUT_SYM = 1ULL << 8,
104 PERF_OUTPUT_DSO = 1ULL << 9,
105 PERF_OUTPUT_ADDR = 1ULL << 10,
106 PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
107 PERF_OUTPUT_SRCLINE = 1ULL << 12,
108 PERF_OUTPUT_PERIOD = 1ULL << 13,
109 PERF_OUTPUT_IREGS = 1ULL << 14,
110 PERF_OUTPUT_BRSTACK = 1ULL << 15,
111 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
112 PERF_OUTPUT_DATA_SRC = 1ULL << 17,
113 PERF_OUTPUT_WEIGHT = 1ULL << 18,
114 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
115 PERF_OUTPUT_CALLINDENT = 1ULL << 20,
116 PERF_OUTPUT_INSN = 1ULL << 21,
117 PERF_OUTPUT_INSNLEN = 1ULL << 22,
118 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
119 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
120 PERF_OUTPUT_SYNTH = 1ULL << 25,
121 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
122 PERF_OUTPUT_UREGS = 1ULL << 27,
123 PERF_OUTPUT_METRIC = 1ULL << 28,
124 PERF_OUTPUT_MISC = 1ULL << 29,
125 PERF_OUTPUT_SRCCODE = 1ULL << 30,
126 PERF_OUTPUT_IPC = 1ULL << 31,
127 PERF_OUTPUT_TOD = 1ULL << 32,
128 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33,
129 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
130 PERF_OUTPUT_INS_LAT = 1ULL << 35,
131 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36,
132 PERF_OUTPUT_MACHINE_PID = 1ULL << 37,
133 PERF_OUTPUT_VCPU = 1ULL << 38,
134 PERF_OUTPUT_CGROUP = 1ULL << 39,
135 PERF_OUTPUT_RETIRE_LAT = 1ULL << 40,
136 PERF_OUTPUT_DSOFF = 1ULL << 41,
137};
138
139struct perf_script {
140 struct perf_tool tool;
141 struct perf_session *session;
142 bool show_task_events;
143 bool show_mmap_events;
144 bool show_switch_events;
145 bool show_namespace_events;
146 bool show_lost_events;
147 bool show_round_events;
148 bool show_bpf_events;
149 bool show_cgroup_events;
150 bool show_text_poke_events;
151 bool allocated;
152 bool per_event_dump;
153 bool stitch_lbr;
154 struct evswitch evswitch;
155 struct perf_cpu_map *cpus;
156 struct perf_thread_map *threads;
157 int name_width;
158 const char *time_str;
159 struct perf_time_interval *ptime_range;
160 int range_size;
161 int range_num;
162};
163
164struct output_option {
165 const char *str;
166 enum perf_output_field field;
167} all_output_options[] = {
168 {.str = "comm", .field = PERF_OUTPUT_COMM},
169 {.str = "tid", .field = PERF_OUTPUT_TID},
170 {.str = "pid", .field = PERF_OUTPUT_PID},
171 {.str = "time", .field = PERF_OUTPUT_TIME},
172 {.str = "cpu", .field = PERF_OUTPUT_CPU},
173 {.str = "event", .field = PERF_OUTPUT_EVNAME},
174 {.str = "trace", .field = PERF_OUTPUT_TRACE},
175 {.str = "ip", .field = PERF_OUTPUT_IP},
176 {.str = "sym", .field = PERF_OUTPUT_SYM},
177 {.str = "dso", .field = PERF_OUTPUT_DSO},
178 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
179 {.str = "addr", .field = PERF_OUTPUT_ADDR},
180 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
181 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
182 {.str = "period", .field = PERF_OUTPUT_PERIOD},
183 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
184 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
185 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
186 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
187 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
188 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
189 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
190 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
191 {.str = "insn", .field = PERF_OUTPUT_INSN},
192 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
193 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
194 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
195 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
196 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
197 {.str = "metric", .field = PERF_OUTPUT_METRIC},
198 {.str = "misc", .field = PERF_OUTPUT_MISC},
199 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
200 {.str = "ipc", .field = PERF_OUTPUT_IPC},
201 {.str = "tod", .field = PERF_OUTPUT_TOD},
202 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
203 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
204 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
205 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
206 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
207 {.str = "vcpu", .field = PERF_OUTPUT_VCPU},
208 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
209 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
210};
211
212enum {
213 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
214 OUTPUT_TYPE_OTHER,
215 OUTPUT_TYPE_MAX
216};
217
218/* default set to maintain compatibility with current format */
219static struct {
220 bool user_set;
221 bool wildcard_set;
222 unsigned int print_ip_opts;
223 u64 fields;
224 u64 invalid_fields;
225 u64 user_set_fields;
226 u64 user_unset_fields;
227} output[OUTPUT_TYPE_MAX] = {
228
229 [PERF_TYPE_HARDWARE] = {
230 .user_set = false,
231
232 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
233 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
234 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
235 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
236 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
237
238 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
239 },
240
241 [PERF_TYPE_SOFTWARE] = {
242 .user_set = false,
243
244 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
245 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
246 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
247 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
248 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
249 PERF_OUTPUT_BPF_OUTPUT,
250
251 .invalid_fields = PERF_OUTPUT_TRACE,
252 },
253
254 [PERF_TYPE_TRACEPOINT] = {
255 .user_set = false,
256
257 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
258 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
259 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
260 },
261
262 [PERF_TYPE_HW_CACHE] = {
263 .user_set = false,
264
265 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
266 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
267 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
268 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
269 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
270
271 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
272 },
273
274 [PERF_TYPE_RAW] = {
275 .user_set = false,
276
277 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
278 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
279 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
280 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
281 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
282 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
283 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
284 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
285 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
286
287 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
288 },
289
290 [PERF_TYPE_BREAKPOINT] = {
291 .user_set = false,
292
293 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
294 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
295 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
296 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
297 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
298
299 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
300 },
301
302 [OUTPUT_TYPE_SYNTH] = {
303 .user_set = false,
304
305 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
306 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
307 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
308 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
309 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
310
311 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
312 },
313
314 [OUTPUT_TYPE_OTHER] = {
315 .user_set = false,
316
317 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
318 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
319 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
320 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
321 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
322
323 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
324 },
325};
326
327struct evsel_script {
328 char *filename;
329 FILE *fp;
330 u64 samples;
331 /* For metric output */
332 u64 val;
333 int gnum;
334};
335
336static inline struct evsel_script *evsel_script(struct evsel *evsel)
337{
338 return (struct evsel_script *)evsel->priv;
339}
340
341static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
342{
343 struct evsel_script *es = zalloc(sizeof(*es));
344
345 if (es != NULL) {
346 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
347 goto out_free;
348 es->fp = fopen(es->filename, "w");
349 if (es->fp == NULL)
350 goto out_free_filename;
351 }
352
353 return es;
354out_free_filename:
355 zfree(&es->filename);
356out_free:
357 free(es);
358 return NULL;
359}
360
361static void evsel_script__delete(struct evsel_script *es)
362{
363 zfree(&es->filename);
364 fclose(es->fp);
365 es->fp = NULL;
366 free(es);
367}
368
369static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
370{
371 struct stat st;
372
373 fstat(fileno(es->fp), &st);
374 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
375 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
376}
377
378static inline int output_type(unsigned int type)
379{
380 switch (type) {
381 case PERF_TYPE_SYNTH:
382 return OUTPUT_TYPE_SYNTH;
383 default:
384 if (type < PERF_TYPE_MAX)
385 return type;
386 }
387
388 return OUTPUT_TYPE_OTHER;
389}
390
391static bool output_set_by_user(void)
392{
393 int j;
394 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
395 if (output[j].user_set)
396 return true;
397 }
398 return false;
399}
400
401static const char *output_field2str(enum perf_output_field field)
402{
403 int i, imax = ARRAY_SIZE(all_output_options);
404 const char *str = "";
405
406 for (i = 0; i < imax; ++i) {
407 if (all_output_options[i].field == field) {
408 str = all_output_options[i].str;
409 break;
410 }
411 }
412 return str;
413}
414
415#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
416
417static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
418 enum perf_output_field field, bool allow_user_set)
419{
420 struct perf_event_attr *attr = &evsel->core.attr;
421 int type = output_type(attr->type);
422 const char *evname;
423
424 if (attr->sample_type & sample_type)
425 return 0;
426
427 if (output[type].user_set_fields & field) {
428 if (allow_user_set)
429 return 0;
430 evname = evsel__name(evsel);
431 pr_err("Samples for '%s' event do not have %s attribute set. "
432 "Cannot print '%s' field.\n",
433 evname, sample_msg, output_field2str(field));
434 return -1;
435 }
436
437 /* user did not ask for it explicitly so remove from the default list */
438 output[type].fields &= ~field;
439 evname = evsel__name(evsel);
440 pr_debug("Samples for '%s' event do not have %s attribute set. "
441 "Skipping '%s' field.\n",
442 evname, sample_msg, output_field2str(field));
443
444 return 0;
445}
446
447static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
448 enum perf_output_field field)
449{
450 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
451}
452
453static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
454{
455 struct perf_event_attr *attr = &evsel->core.attr;
456 bool allow_user_set;
457
458 if (evsel__is_dummy_event(evsel))
459 return 0;
460
461 if (perf_header__has_feat(&session->header, HEADER_STAT))
462 return 0;
463
464 allow_user_set = perf_header__has_feat(&session->header,
465 HEADER_AUXTRACE);
466
467 if (PRINT_FIELD(TRACE) &&
468 !perf_session__has_traces(session, "record -R"))
469 return -EINVAL;
470
471 if (PRINT_FIELD(IP)) {
472 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
473 return -EINVAL;
474 }
475
476 if (PRINT_FIELD(ADDR) &&
477 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
478 return -EINVAL;
479
480 if (PRINT_FIELD(DATA_SRC) &&
481 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
482 return -EINVAL;
483
484 if (PRINT_FIELD(WEIGHT) &&
485 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
486 return -EINVAL;
487
488 if (PRINT_FIELD(SYM) &&
489 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
490 pr_err("Display of symbols requested but neither sample IP nor "
491 "sample address\navailable. Hence, no addresses to convert "
492 "to symbols.\n");
493 return -EINVAL;
494 }
495 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
496 pr_err("Display of offsets requested but symbol is not"
497 "selected.\n");
498 return -EINVAL;
499 }
500 if (PRINT_FIELD(DSO) &&
501 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
502 pr_err("Display of DSO requested but no address to convert.\n");
503 return -EINVAL;
504 }
505 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
506 pr_err("Display of source line number requested but sample IP is not\n"
507 "selected. Hence, no address to lookup the source line number.\n");
508 return -EINVAL;
509 }
510 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
511 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
512 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
513 "Hint: run 'perf record -b ...'\n");
514 return -EINVAL;
515 }
516 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
517 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
518 return -EINVAL;
519
520 if (PRINT_FIELD(TIME) &&
521 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
522 return -EINVAL;
523
524 if (PRINT_FIELD(CPU) &&
525 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
526 return -EINVAL;
527
528 if (PRINT_FIELD(IREGS) &&
529 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
530 return -EINVAL;
531
532 if (PRINT_FIELD(UREGS) &&
533 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
534 return -EINVAL;
535
536 if (PRINT_FIELD(PHYS_ADDR) &&
537 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
538 return -EINVAL;
539
540 if (PRINT_FIELD(DATA_PAGE_SIZE) &&
541 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
542 return -EINVAL;
543
544 if (PRINT_FIELD(CODE_PAGE_SIZE) &&
545 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
546 return -EINVAL;
547
548 if (PRINT_FIELD(INS_LAT) &&
549 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
550 return -EINVAL;
551
552 if (PRINT_FIELD(CGROUP) &&
553 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
554 pr_err("Hint: run 'perf record --all-cgroups ...'\n");
555 return -EINVAL;
556 }
557
558 if (PRINT_FIELD(RETIRE_LAT) &&
559 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
560 return -EINVAL;
561
562 return 0;
563}
564
565static void set_print_ip_opts(struct perf_event_attr *attr)
566{
567 unsigned int type = output_type(attr->type);
568
569 output[type].print_ip_opts = 0;
570 if (PRINT_FIELD(IP))
571 output[type].print_ip_opts |= EVSEL__PRINT_IP;
572
573 if (PRINT_FIELD(SYM))
574 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
575
576 if (PRINT_FIELD(DSO))
577 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
578
579 if (PRINT_FIELD(DSOFF))
580 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
581
582 if (PRINT_FIELD(SYMOFFSET))
583 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
584
585 if (PRINT_FIELD(SRCLINE))
586 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
587}
588
589static struct evsel *find_first_output_type(struct evlist *evlist,
590 unsigned int type)
591{
592 struct evsel *evsel;
593
594 evlist__for_each_entry(evlist, evsel) {
595 if (evsel__is_dummy_event(evsel))
596 continue;
597 if (output_type(evsel->core.attr.type) == (int)type)
598 return evsel;
599 }
600 return NULL;
601}
602
603/*
604 * verify all user requested events exist and the samples
605 * have the expected data
606 */
607static int perf_session__check_output_opt(struct perf_session *session)
608{
609 bool tod = false;
610 unsigned int j;
611 struct evsel *evsel;
612
613 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
614 evsel = find_first_output_type(session->evlist, j);
615
616 /*
617 * even if fields is set to 0 (ie., show nothing) event must
618 * exist if user explicitly includes it on the command line
619 */
620 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
621 j != OUTPUT_TYPE_SYNTH) {
622 pr_err("%s events do not exist. "
623 "Remove corresponding -F option to proceed.\n",
624 event_type(j));
625 return -1;
626 }
627
628 if (evsel && output[j].fields &&
629 evsel__check_attr(evsel, session))
630 return -1;
631
632 if (evsel == NULL)
633 continue;
634
635 /* 'dsoff' implys 'dso' field */
636 if (output[j].fields & PERF_OUTPUT_DSOFF)
637 output[j].fields |= PERF_OUTPUT_DSO;
638
639 set_print_ip_opts(&evsel->core.attr);
640 tod |= output[j].fields & PERF_OUTPUT_TOD;
641 }
642
643 if (!no_callchain) {
644 bool use_callchain = false;
645 bool not_pipe = false;
646
647 evlist__for_each_entry(session->evlist, evsel) {
648 not_pipe = true;
649 if (evsel__has_callchain(evsel)) {
650 use_callchain = true;
651 break;
652 }
653 }
654 if (not_pipe && !use_callchain)
655 symbol_conf.use_callchain = false;
656 }
657
658 /*
659 * set default for tracepoints to print symbols only
660 * if callchains are present
661 */
662 if (symbol_conf.use_callchain &&
663 !output[PERF_TYPE_TRACEPOINT].user_set) {
664 j = PERF_TYPE_TRACEPOINT;
665
666 evlist__for_each_entry(session->evlist, evsel) {
667 if (evsel->core.attr.type != j)
668 continue;
669
670 if (evsel__has_callchain(evsel)) {
671 output[j].fields |= PERF_OUTPUT_IP;
672 output[j].fields |= PERF_OUTPUT_SYM;
673 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
674 output[j].fields |= PERF_OUTPUT_DSO;
675 set_print_ip_opts(&evsel->core.attr);
676 goto out;
677 }
678 }
679 }
680
681 if (tod && !session->header.env.clock.enabled) {
682 pr_err("Can't provide 'tod' time, missing clock data. "
683 "Please record with -k/--clockid option.\n");
684 return -1;
685 }
686out:
687 return 0;
688}
689
690static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
691 FILE *fp)
692{
693 unsigned i = 0, r;
694 int printed = 0;
695
696 if (!regs || !regs->regs)
697 return 0;
698
699 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
700
701 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
702 u64 val = regs->regs[i++];
703 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
704 }
705
706 return printed;
707}
708
709#define DEFAULT_TOD_FMT "%F %H:%M:%S"
710
711static char*
712tod_scnprintf(struct perf_script *script, char *buf, int buflen,
713 u64 timestamp)
714{
715 u64 tod_ns, clockid_ns;
716 struct perf_env *env;
717 unsigned long nsec;
718 struct tm ltime;
719 char date[64];
720 time_t sec;
721
722 buf[0] = '\0';
723 if (buflen < 64 || !script)
724 return buf;
725
726 env = &script->session->header.env;
727 if (!env->clock.enabled) {
728 scnprintf(buf, buflen, "disabled");
729 return buf;
730 }
731
732 clockid_ns = env->clock.clockid_ns;
733 tod_ns = env->clock.tod_ns;
734
735 if (timestamp > clockid_ns)
736 tod_ns += timestamp - clockid_ns;
737 else
738 tod_ns -= clockid_ns - timestamp;
739
740 sec = (time_t) (tod_ns / NSEC_PER_SEC);
741 nsec = tod_ns - sec * NSEC_PER_SEC;
742
743 if (localtime_r(&sec, <ime) == NULL) {
744 scnprintf(buf, buflen, "failed");
745 } else {
746 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime);
747
748 if (symbol_conf.nanosecs) {
749 snprintf(buf, buflen, "%s.%09lu", date, nsec);
750 } else {
751 snprintf(buf, buflen, "%s.%06lu",
752 date, nsec / NSEC_PER_USEC);
753 }
754 }
755
756 return buf;
757}
758
759static int perf_sample__fprintf_iregs(struct perf_sample *sample,
760 struct perf_event_attr *attr, const char *arch, FILE *fp)
761{
762 return perf_sample__fprintf_regs(&sample->intr_regs,
763 attr->sample_regs_intr, arch, fp);
764}
765
766static int perf_sample__fprintf_uregs(struct perf_sample *sample,
767 struct perf_event_attr *attr, const char *arch, FILE *fp)
768{
769 return perf_sample__fprintf_regs(&sample->user_regs,
770 attr->sample_regs_user, arch, fp);
771}
772
773static int perf_sample__fprintf_start(struct perf_script *script,
774 struct perf_sample *sample,
775 struct thread *thread,
776 struct evsel *evsel,
777 u32 type, FILE *fp)
778{
779 struct perf_event_attr *attr = &evsel->core.attr;
780 unsigned long secs;
781 unsigned long long nsecs;
782 int printed = 0;
783 char tstr[128];
784
785 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
786 printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
787
788 /* Print VCPU only for guest events i.e. with machine_pid */
789 if (PRINT_FIELD(VCPU) && sample->machine_pid)
790 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
791
792 if (PRINT_FIELD(COMM)) {
793 const char *comm = thread ? thread__comm_str(thread) : ":-1";
794
795 if (latency_format)
796 printed += fprintf(fp, "%8.8s ", comm);
797 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
798 printed += fprintf(fp, "%s ", comm);
799 else
800 printed += fprintf(fp, "%16s ", comm);
801 }
802
803 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
804 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
805 else if (PRINT_FIELD(PID))
806 printed += fprintf(fp, "%7d ", sample->pid);
807 else if (PRINT_FIELD(TID))
808 printed += fprintf(fp, "%7d ", sample->tid);
809
810 if (PRINT_FIELD(CPU)) {
811 if (latency_format)
812 printed += fprintf(fp, "%3d ", sample->cpu);
813 else
814 printed += fprintf(fp, "[%03d] ", sample->cpu);
815 }
816
817 if (PRINT_FIELD(MISC)) {
818 int ret = 0;
819
820 #define has(m) \
821 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
822
823 if (has(KERNEL))
824 ret += fprintf(fp, "K");
825 if (has(USER))
826 ret += fprintf(fp, "U");
827 if (has(HYPERVISOR))
828 ret += fprintf(fp, "H");
829 if (has(GUEST_KERNEL))
830 ret += fprintf(fp, "G");
831 if (has(GUEST_USER))
832 ret += fprintf(fp, "g");
833
834 switch (type) {
835 case PERF_RECORD_MMAP:
836 case PERF_RECORD_MMAP2:
837 if (has(MMAP_DATA))
838 ret += fprintf(fp, "M");
839 break;
840 case PERF_RECORD_COMM:
841 if (has(COMM_EXEC))
842 ret += fprintf(fp, "E");
843 break;
844 case PERF_RECORD_SWITCH:
845 case PERF_RECORD_SWITCH_CPU_WIDE:
846 if (has(SWITCH_OUT)) {
847 ret += fprintf(fp, "S");
848 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
849 ret += fprintf(fp, "p");
850 }
851 default:
852 break;
853 }
854
855 #undef has
856
857 ret += fprintf(fp, "%*s", 6 - ret, " ");
858 printed += ret;
859 }
860
861 if (PRINT_FIELD(TOD)) {
862 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
863 printed += fprintf(fp, "%s ", tstr);
864 }
865
866 if (PRINT_FIELD(TIME)) {
867 u64 t = sample->time;
868 if (reltime) {
869 if (!initial_time)
870 initial_time = sample->time;
871 t = sample->time - initial_time;
872 } else if (deltatime) {
873 if (previous_time)
874 t = sample->time - previous_time;
875 else {
876 t = 0;
877 }
878 previous_time = sample->time;
879 }
880 nsecs = t;
881 secs = nsecs / NSEC_PER_SEC;
882 nsecs -= secs * NSEC_PER_SEC;
883
884 if (symbol_conf.nanosecs)
885 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
886 else {
887 char sample_time[32];
888 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
889 printed += fprintf(fp, "%12s: ", sample_time);
890 }
891 }
892
893 return printed;
894}
895
896static inline char
897mispred_str(struct branch_entry *br)
898{
899 if (!(br->flags.mispred || br->flags.predicted))
900 return '-';
901
902 return br->flags.predicted ? 'P' : 'M';
903}
904
905static int print_bstack_flags(FILE *fp, struct branch_entry *br)
906{
907 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
908 mispred_str(br),
909 br->flags.in_tx ? 'X' : '-',
910 br->flags.abort ? 'A' : '-',
911 br->flags.cycles,
912 get_branch_type(br),
913 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
914}
915
916static int perf_sample__fprintf_brstack(struct perf_sample *sample,
917 struct thread *thread,
918 struct perf_event_attr *attr, FILE *fp)
919{
920 struct branch_stack *br = sample->branch_stack;
921 struct branch_entry *entries = perf_sample__branch_entries(sample);
922 u64 i, from, to;
923 int printed = 0;
924
925 if (!(br && br->nr))
926 return 0;
927
928 for (i = 0; i < br->nr; i++) {
929 from = entries[i].from;
930 to = entries[i].to;
931
932 printed += fprintf(fp, " 0x%"PRIx64, from);
933 if (PRINT_FIELD(DSO)) {
934 struct addr_location alf, alt;
935
936 addr_location__init(&alf);
937 addr_location__init(&alt);
938 thread__find_map_fb(thread, sample->cpumode, from, &alf);
939 thread__find_map_fb(thread, sample->cpumode, to, &alt);
940
941 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
942 printed += fprintf(fp, "/0x%"PRIx64, to);
943 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
944 addr_location__exit(&alt);
945 addr_location__exit(&alf);
946 } else
947 printed += fprintf(fp, "/0x%"PRIx64, to);
948
949 printed += print_bstack_flags(fp, entries + i);
950 }
951
952 return printed;
953}
954
955static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
956 struct thread *thread,
957 struct perf_event_attr *attr, FILE *fp)
958{
959 struct branch_stack *br = sample->branch_stack;
960 struct branch_entry *entries = perf_sample__branch_entries(sample);
961 u64 i, from, to;
962 int printed = 0;
963
964 if (!(br && br->nr))
965 return 0;
966
967 for (i = 0; i < br->nr; i++) {
968 struct addr_location alf, alt;
969
970 addr_location__init(&alf);
971 addr_location__init(&alt);
972 from = entries[i].from;
973 to = entries[i].to;
974
975 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
976 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
977
978 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
979 if (PRINT_FIELD(DSO))
980 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
981 printed += fprintf(fp, "%c", '/');
982 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
983 if (PRINT_FIELD(DSO))
984 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
985 printed += print_bstack_flags(fp, entries + i);
986 addr_location__exit(&alt);
987 addr_location__exit(&alf);
988 }
989
990 return printed;
991}
992
993static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
994 struct thread *thread,
995 struct perf_event_attr *attr, FILE *fp)
996{
997 struct branch_stack *br = sample->branch_stack;
998 struct branch_entry *entries = perf_sample__branch_entries(sample);
999 u64 i, from, to;
1000 int printed = 0;
1001
1002 if (!(br && br->nr))
1003 return 0;
1004
1005 for (i = 0; i < br->nr; i++) {
1006 struct addr_location alf, alt;
1007
1008 addr_location__init(&alf);
1009 addr_location__init(&alt);
1010 from = entries[i].from;
1011 to = entries[i].to;
1012
1013 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1014 !map__dso(alf.map)->adjust_symbols)
1015 from = map__dso_map_ip(alf.map, from);
1016
1017 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1018 !map__dso(alt.map)->adjust_symbols)
1019 to = map__dso_map_ip(alt.map, to);
1020
1021 printed += fprintf(fp, " 0x%"PRIx64, from);
1022 if (PRINT_FIELD(DSO))
1023 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1024 printed += fprintf(fp, "/0x%"PRIx64, to);
1025 if (PRINT_FIELD(DSO))
1026 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1027 printed += print_bstack_flags(fp, entries + i);
1028 addr_location__exit(&alt);
1029 addr_location__exit(&alf);
1030 }
1031
1032 return printed;
1033}
1034#define MAXBB 16384UL
1035
1036static int grab_bb(u8 *buffer, u64 start, u64 end,
1037 struct machine *machine, struct thread *thread,
1038 bool *is64bit, u8 *cpumode, bool last)
1039{
1040 long offset, len;
1041 struct addr_location al;
1042 bool kernel;
1043 struct dso *dso;
1044 int ret = 0;
1045
1046 if (!start || !end)
1047 return 0;
1048
1049 kernel = machine__kernel_ip(machine, start);
1050 if (kernel)
1051 *cpumode = PERF_RECORD_MISC_KERNEL;
1052 else
1053 *cpumode = PERF_RECORD_MISC_USER;
1054
1055 /*
1056 * Block overlaps between kernel and user.
1057 * This can happen due to ring filtering
1058 * On Intel CPUs the entry into the kernel is filtered,
1059 * but the exit is not. Let the caller patch it up.
1060 */
1061 if (kernel != machine__kernel_ip(machine, end)) {
1062 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1063 return -ENXIO;
1064 }
1065
1066 if (end - start > MAXBB - MAXINSN) {
1067 if (last)
1068 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1069 else
1070 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1071 return 0;
1072 }
1073
1074 addr_location__init(&al);
1075 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1076 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1077 goto out;
1078 }
1079 if (dso->data.status == DSO_DATA_STATUS_ERROR) {
1080 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1081 goto out;
1082 }
1083
1084 /* Load maps to ensure dso->is_64_bit has been updated */
1085 map__load(al.map);
1086
1087 offset = map__map_ip(al.map, start);
1088 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1089 end - start + MAXINSN);
1090
1091 *is64bit = dso->is_64_bit;
1092 if (len <= 0)
1093 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1094 start, end);
1095 ret = len;
1096out:
1097 addr_location__exit(&al);
1098 return ret;
1099}
1100
1101static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1102{
1103 char *srcfile;
1104 int ret = 0;
1105 unsigned line;
1106 int len;
1107 char *srccode;
1108 struct dso *dso;
1109
1110 if (!map || (dso = map__dso(map)) == NULL)
1111 return 0;
1112 srcfile = get_srcline_split(dso,
1113 map__rip_2objdump(map, addr),
1114 &line);
1115 if (!srcfile)
1116 return 0;
1117
1118 /* Avoid redundant printing */
1119 if (state &&
1120 state->srcfile &&
1121 !strcmp(state->srcfile, srcfile) &&
1122 state->line == line) {
1123 free(srcfile);
1124 return 0;
1125 }
1126
1127 srccode = find_sourceline(srcfile, line, &len);
1128 if (!srccode)
1129 goto out_free_line;
1130
1131 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1132
1133 if (state) {
1134 state->srcfile = srcfile;
1135 state->line = line;
1136 }
1137 return ret;
1138
1139out_free_line:
1140 free(srcfile);
1141 return ret;
1142}
1143
1144static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1145{
1146 struct addr_location al;
1147 int ret = 0;
1148
1149 addr_location__init(&al);
1150 thread__find_map(thread, cpumode, addr, &al);
1151 if (!al.map)
1152 goto out;
1153 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1154 thread__srccode_state(thread));
1155 if (ret)
1156 ret += printf("\n");
1157out:
1158 addr_location__exit(&al);
1159 return ret;
1160}
1161
1162static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1163 struct perf_insn *x, u8 *inbuf, int len,
1164 int insn, FILE *fp, int *total_cycles,
1165 struct perf_event_attr *attr)
1166{
1167 int ilen = 0;
1168 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1169 dump_insn(x, ip, inbuf, len, &ilen));
1170
1171 if (PRINT_FIELD(BRSTACKINSNLEN))
1172 printed += fprintf(fp, "ilen: %d\t", ilen);
1173
1174 printed += fprintf(fp, "#%s%s%s%s",
1175 en->flags.predicted ? " PRED" : "",
1176 en->flags.mispred ? " MISPRED" : "",
1177 en->flags.in_tx ? " INTX" : "",
1178 en->flags.abort ? " ABORT" : "");
1179 if (en->flags.cycles) {
1180 *total_cycles += en->flags.cycles;
1181 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1182 if (insn)
1183 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1184 }
1185 return printed + fprintf(fp, "\n");
1186}
1187
1188static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1189 u8 cpumode, int cpu, struct symbol **lastsym,
1190 struct perf_event_attr *attr, FILE *fp)
1191{
1192 struct addr_location al;
1193 int off, printed = 0, ret = 0;
1194
1195 addr_location__init(&al);
1196 thread__find_map(thread, cpumode, addr, &al);
1197
1198 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1199 goto out;
1200
1201 al.cpu = cpu;
1202 al.sym = NULL;
1203 if (al.map)
1204 al.sym = map__find_symbol(al.map, al.addr);
1205
1206 if (!al.sym)
1207 goto out;
1208
1209 if (al.addr < al.sym->end)
1210 off = al.addr - al.sym->start;
1211 else
1212 off = al.addr - map__start(al.map) - al.sym->start;
1213 printed += fprintf(fp, "\t%s", al.sym->name);
1214 if (off)
1215 printed += fprintf(fp, "%+d", off);
1216 printed += fprintf(fp, ":");
1217 if (PRINT_FIELD(SRCLINE))
1218 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1219 printed += fprintf(fp, "\n");
1220 *lastsym = al.sym;
1221
1222 ret = printed;
1223out:
1224 addr_location__exit(&al);
1225 return ret;
1226}
1227
1228static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1229 struct thread *thread,
1230 struct perf_event_attr *attr,
1231 struct machine *machine, FILE *fp)
1232{
1233 struct branch_stack *br = sample->branch_stack;
1234 struct branch_entry *entries = perf_sample__branch_entries(sample);
1235 u64 start, end;
1236 int i, insn, len, nr, ilen, printed = 0;
1237 struct perf_insn x;
1238 u8 buffer[MAXBB];
1239 unsigned off;
1240 struct symbol *lastsym = NULL;
1241 int total_cycles = 0;
1242
1243 if (!(br && br->nr))
1244 return 0;
1245 nr = br->nr;
1246 if (max_blocks && nr > max_blocks + 1)
1247 nr = max_blocks + 1;
1248
1249 x.thread = thread;
1250 x.cpu = sample->cpu;
1251
1252 printed += fprintf(fp, "%c", '\n');
1253
1254 /* Handle first from jump, of which we don't know the entry. */
1255 len = grab_bb(buffer, entries[nr-1].from,
1256 entries[nr-1].from,
1257 machine, thread, &x.is64bit, &x.cpumode, false);
1258 if (len > 0) {
1259 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1260 x.cpumode, x.cpu, &lastsym, attr, fp);
1261 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1262 &x, buffer, len, 0, fp, &total_cycles,
1263 attr);
1264 if (PRINT_FIELD(SRCCODE))
1265 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1266 }
1267
1268 /* Print all blocks */
1269 for (i = nr - 2; i >= 0; i--) {
1270 if (entries[i].from || entries[i].to)
1271 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1272 entries[i].from,
1273 entries[i].to);
1274 start = entries[i + 1].to;
1275 end = entries[i].from;
1276
1277 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1278 /* Patch up missing kernel transfers due to ring filters */
1279 if (len == -ENXIO && i > 0) {
1280 end = entries[--i].from;
1281 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1282 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1283 }
1284 if (len <= 0)
1285 continue;
1286
1287 insn = 0;
1288 for (off = 0; off < (unsigned)len; off += ilen) {
1289 uint64_t ip = start + off;
1290
1291 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1292 if (ip == end) {
1293 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1294 &total_cycles, attr);
1295 if (PRINT_FIELD(SRCCODE))
1296 printed += print_srccode(thread, x.cpumode, ip);
1297 break;
1298 } else {
1299 ilen = 0;
1300 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1301 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1302 if (PRINT_FIELD(BRSTACKINSNLEN))
1303 printed += fprintf(fp, "\tilen: %d", ilen);
1304 printed += fprintf(fp, "\n");
1305 if (ilen == 0)
1306 break;
1307 if (PRINT_FIELD(SRCCODE))
1308 print_srccode(thread, x.cpumode, ip);
1309 insn++;
1310 }
1311 }
1312 if (off != end - start)
1313 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1314 }
1315
1316 /*
1317 * Hit the branch? In this case we are already done, and the target
1318 * has not been executed yet.
1319 */
1320 if (entries[0].from == sample->ip)
1321 goto out;
1322 if (entries[0].flags.abort)
1323 goto out;
1324
1325 /*
1326 * Print final block up to sample
1327 *
1328 * Due to pipeline delays the LBRs might be missing a branch
1329 * or two, which can result in very large or negative blocks
1330 * between final branch and sample. When this happens just
1331 * continue walking after the last TO until we hit a branch.
1332 */
1333 start = entries[0].to;
1334 end = sample->ip;
1335 if (end < start) {
1336 /* Missing jump. Scan 128 bytes for the next branch */
1337 end = start + 128;
1338 }
1339 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1340 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1341 if (len <= 0) {
1342 /* Print at least last IP if basic block did not work */
1343 len = grab_bb(buffer, sample->ip, sample->ip,
1344 machine, thread, &x.is64bit, &x.cpumode, false);
1345 if (len <= 0)
1346 goto out;
1347 ilen = 0;
1348 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1349 dump_insn(&x, sample->ip, buffer, len, &ilen));
1350 if (PRINT_FIELD(BRSTACKINSNLEN))
1351 printed += fprintf(fp, "\tilen: %d", ilen);
1352 printed += fprintf(fp, "\n");
1353 if (PRINT_FIELD(SRCCODE))
1354 print_srccode(thread, x.cpumode, sample->ip);
1355 goto out;
1356 }
1357 for (off = 0; off <= end - start; off += ilen) {
1358 ilen = 0;
1359 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1360 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1361 if (PRINT_FIELD(BRSTACKINSNLEN))
1362 printed += fprintf(fp, "\tilen: %d", ilen);
1363 printed += fprintf(fp, "\n");
1364 if (ilen == 0)
1365 break;
1366 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1367 /*
1368 * Hit a missing branch. Just stop.
1369 */
1370 printed += fprintf(fp, "\t... not reaching sample ...\n");
1371 break;
1372 }
1373 if (PRINT_FIELD(SRCCODE))
1374 print_srccode(thread, x.cpumode, start + off);
1375 }
1376out:
1377 return printed;
1378}
1379
1380static int perf_sample__fprintf_addr(struct perf_sample *sample,
1381 struct thread *thread,
1382 struct perf_event_attr *attr, FILE *fp)
1383{
1384 struct addr_location al;
1385 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1386
1387 addr_location__init(&al);
1388 if (!sample_addr_correlates_sym(attr))
1389 goto out;
1390
1391 thread__resolve(thread, &al, sample);
1392
1393 if (PRINT_FIELD(SYM)) {
1394 printed += fprintf(fp, " ");
1395 if (PRINT_FIELD(SYMOFFSET))
1396 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1397 else
1398 printed += symbol__fprintf_symname(al.sym, fp);
1399 }
1400
1401 if (PRINT_FIELD(DSO))
1402 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1403out:
1404 addr_location__exit(&al);
1405 return printed;
1406}
1407
1408static const char *resolve_branch_sym(struct perf_sample *sample,
1409 struct evsel *evsel,
1410 struct thread *thread,
1411 struct addr_location *al,
1412 struct addr_location *addr_al,
1413 u64 *ip)
1414{
1415 struct perf_event_attr *attr = &evsel->core.attr;
1416 const char *name = NULL;
1417
1418 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1419 if (sample_addr_correlates_sym(attr)) {
1420 if (!addr_al->thread)
1421 thread__resolve(thread, addr_al, sample);
1422 if (addr_al->sym)
1423 name = addr_al->sym->name;
1424 else
1425 *ip = sample->addr;
1426 } else {
1427 *ip = sample->addr;
1428 }
1429 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1430 if (al->sym)
1431 name = al->sym->name;
1432 else
1433 *ip = sample->ip;
1434 }
1435 return name;
1436}
1437
1438static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1439 struct evsel *evsel,
1440 struct thread *thread,
1441 struct addr_location *al,
1442 struct addr_location *addr_al,
1443 FILE *fp)
1444{
1445 struct perf_event_attr *attr = &evsel->core.attr;
1446 size_t depth = thread_stack__depth(thread, sample->cpu);
1447 const char *name = NULL;
1448 static int spacing;
1449 int len = 0;
1450 int dlen = 0;
1451 u64 ip = 0;
1452
1453 /*
1454 * The 'return' has already been popped off the stack so the depth has
1455 * to be adjusted to match the 'call'.
1456 */
1457 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1458 depth += 1;
1459
1460 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1461
1462 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1463 dlen += fprintf(fp, "(");
1464 dlen += map__fprintf_dsoname(al->map, fp);
1465 dlen += fprintf(fp, ")\t");
1466 }
1467
1468 if (name)
1469 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1470 else if (ip)
1471 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1472
1473 if (len < 0)
1474 return len;
1475
1476 /*
1477 * Try to keep the output length from changing frequently so that the
1478 * output lines up more nicely.
1479 */
1480 if (len > spacing || (len && len < spacing - 52))
1481 spacing = round_up(len + 4, 32);
1482
1483 if (len < spacing)
1484 len += fprintf(fp, "%*s", spacing - len, "");
1485
1486 return len + dlen;
1487}
1488
1489__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1490 struct thread *thread __maybe_unused,
1491 struct machine *machine __maybe_unused)
1492{
1493}
1494
1495void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1496 struct machine *machine)
1497{
1498 if (sample->insn_len == 0 && native_arch)
1499 arch_fetch_insn(sample, thread, machine);
1500}
1501
1502static int perf_sample__fprintf_insn(struct perf_sample *sample,
1503 struct perf_event_attr *attr,
1504 struct thread *thread,
1505 struct machine *machine, FILE *fp)
1506{
1507 int printed = 0;
1508
1509 script_fetch_insn(sample, thread, machine);
1510
1511 if (PRINT_FIELD(INSNLEN))
1512 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1513 if (PRINT_FIELD(INSN) && sample->insn_len) {
1514 int i;
1515
1516 printed += fprintf(fp, " insn:");
1517 for (i = 0; i < sample->insn_len; i++)
1518 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1519 }
1520 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1521 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1522
1523 return printed;
1524}
1525
1526static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1527 struct perf_event_attr *attr, FILE *fp)
1528{
1529 unsigned int ipc;
1530
1531 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1532 return 0;
1533
1534 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1535
1536 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1537 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1538}
1539
1540static int perf_sample__fprintf_bts(struct perf_sample *sample,
1541 struct evsel *evsel,
1542 struct thread *thread,
1543 struct addr_location *al,
1544 struct addr_location *addr_al,
1545 struct machine *machine, FILE *fp)
1546{
1547 struct perf_event_attr *attr = &evsel->core.attr;
1548 unsigned int type = output_type(attr->type);
1549 bool print_srcline_last = false;
1550 int printed = 0;
1551
1552 if (PRINT_FIELD(CALLINDENT))
1553 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1554
1555 /* print branch_from information */
1556 if (PRINT_FIELD(IP)) {
1557 unsigned int print_opts = output[type].print_ip_opts;
1558 struct callchain_cursor *cursor = NULL;
1559
1560 if (symbol_conf.use_callchain && sample->callchain) {
1561 cursor = get_tls_callchain_cursor();
1562 if (thread__resolve_callchain(al->thread, cursor, evsel,
1563 sample, NULL, NULL,
1564 scripting_max_stack))
1565 cursor = NULL;
1566 }
1567 if (cursor == NULL) {
1568 printed += fprintf(fp, " ");
1569 if (print_opts & EVSEL__PRINT_SRCLINE) {
1570 print_srcline_last = true;
1571 print_opts &= ~EVSEL__PRINT_SRCLINE;
1572 }
1573 } else
1574 printed += fprintf(fp, "\n");
1575
1576 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1577 symbol_conf.bt_stop_list, fp);
1578 }
1579
1580 /* print branch_to information */
1581 if (PRINT_FIELD(ADDR) ||
1582 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1583 !output[type].user_set)) {
1584 printed += fprintf(fp, " => ");
1585 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1586 }
1587
1588 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1589
1590 if (print_srcline_last)
1591 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1592
1593 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1594 printed += fprintf(fp, "\n");
1595 if (PRINT_FIELD(SRCCODE)) {
1596 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1597 thread__srccode_state(thread));
1598 if (ret) {
1599 printed += ret;
1600 printed += printf("\n");
1601 }
1602 }
1603 return printed;
1604}
1605
1606static struct {
1607 u32 flags;
1608 const char *name;
1609} sample_flags[] = {
1610 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1611 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1612 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1613 {PERF_IP_FLAG_BRANCH, "jmp"},
1614 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1615 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1616 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1617 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1618 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1619 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1620 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1621 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1622 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1623 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1624 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1625 {0, NULL}
1626};
1627
1628static const char *sample_flags_to_name(u32 flags)
1629{
1630 int i;
1631
1632 for (i = 0; sample_flags[i].name ; i++) {
1633 if (sample_flags[i].flags == flags)
1634 return sample_flags[i].name;
1635 }
1636
1637 return NULL;
1638}
1639
1640int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1641{
1642 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1643 PERF_IP_FLAG_INTR_TOGGLE;
1644 const char *chars = PERF_IP_FLAG_CHARS;
1645 const size_t n = strlen(PERF_IP_FLAG_CHARS);
1646 const char *name = NULL;
1647 size_t i, pos = 0;
1648 char xs[16] = {0};
1649
1650 if (flags & xf)
1651 snprintf(xs, sizeof(xs), "(%s%s%s)",
1652 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1653 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1654 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1655
1656 name = sample_flags_to_name(flags & ~xf);
1657 if (name)
1658 return snprintf(str, sz, "%-15s%6s", name, xs);
1659
1660 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1661 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1662 if (name)
1663 return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1664 }
1665
1666 if (flags & PERF_IP_FLAG_TRACE_END) {
1667 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1668 if (name)
1669 return snprintf(str, sz, "tr end %-7s%6s", name, xs);
1670 }
1671
1672 for (i = 0; i < n; i++, flags >>= 1) {
1673 if ((flags & 1) && pos < sz)
1674 str[pos++] = chars[i];
1675 }
1676 for (; i < 32; i++, flags >>= 1) {
1677 if ((flags & 1) && pos < sz)
1678 str[pos++] = '?';
1679 }
1680 if (pos < sz)
1681 str[pos] = 0;
1682
1683 return pos;
1684}
1685
1686static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1687{
1688 char str[SAMPLE_FLAGS_BUF_SIZE];
1689
1690 perf_sample__sprintf_flags(flags, str, sizeof(str));
1691 return fprintf(fp, " %-21s ", str);
1692}
1693
1694struct printer_data {
1695 int line_no;
1696 bool hit_nul;
1697 bool is_printable;
1698};
1699
1700static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1701 unsigned int val,
1702 void *extra, FILE *fp)
1703{
1704 unsigned char ch = (unsigned char)val;
1705 struct printer_data *printer_data = extra;
1706 int printed = 0;
1707
1708 switch (op) {
1709 case BINARY_PRINT_DATA_BEGIN:
1710 printed += fprintf(fp, "\n");
1711 break;
1712 case BINARY_PRINT_LINE_BEGIN:
1713 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1714 " ");
1715 break;
1716 case BINARY_PRINT_ADDR:
1717 printed += fprintf(fp, " %04x:", val);
1718 break;
1719 case BINARY_PRINT_NUM_DATA:
1720 printed += fprintf(fp, " %02x", val);
1721 break;
1722 case BINARY_PRINT_NUM_PAD:
1723 printed += fprintf(fp, " ");
1724 break;
1725 case BINARY_PRINT_SEP:
1726 printed += fprintf(fp, " ");
1727 break;
1728 case BINARY_PRINT_CHAR_DATA:
1729 if (printer_data->hit_nul && ch)
1730 printer_data->is_printable = false;
1731
1732 if (!isprint(ch)) {
1733 printed += fprintf(fp, "%c", '.');
1734
1735 if (!printer_data->is_printable)
1736 break;
1737
1738 if (ch == '\0')
1739 printer_data->hit_nul = true;
1740 else
1741 printer_data->is_printable = false;
1742 } else {
1743 printed += fprintf(fp, "%c", ch);
1744 }
1745 break;
1746 case BINARY_PRINT_CHAR_PAD:
1747 printed += fprintf(fp, " ");
1748 break;
1749 case BINARY_PRINT_LINE_END:
1750 printed += fprintf(fp, "\n");
1751 printer_data->line_no++;
1752 break;
1753 case BINARY_PRINT_DATA_END:
1754 default:
1755 break;
1756 }
1757
1758 return printed;
1759}
1760
1761static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1762{
1763 unsigned int nr_bytes = sample->raw_size;
1764 struct printer_data printer_data = {0, false, true};
1765 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1766 sample__fprintf_bpf_output, &printer_data, fp);
1767
1768 if (printer_data.is_printable && printer_data.hit_nul)
1769 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1770
1771 return printed;
1772}
1773
1774static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1775{
1776 if (len > 0 && len < spacing)
1777 return fprintf(fp, "%*s", spacing - len, "");
1778
1779 return 0;
1780}
1781
1782static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1783{
1784 return perf_sample__fprintf_spacing(len, 34, fp);
1785}
1786
1787/* If a value contains only printable ASCII characters padded with NULLs */
1788static bool ptw_is_prt(u64 val)
1789{
1790 char c;
1791 u32 i;
1792
1793 for (i = 0; i < sizeof(val); i++) {
1794 c = ((char *)&val)[i];
1795 if (!c)
1796 break;
1797 if (!isprint(c) || !isascii(c))
1798 return false;
1799 }
1800 for (; i < sizeof(val); i++) {
1801 c = ((char *)&val)[i];
1802 if (c)
1803 return false;
1804 }
1805 return true;
1806}
1807
1808static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1809{
1810 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1811 char str[sizeof(u64) + 1] = "";
1812 int len;
1813 u64 val;
1814
1815 if (perf_sample__bad_synth_size(sample, *data))
1816 return 0;
1817
1818 val = le64_to_cpu(data->payload);
1819 if (ptw_is_prt(val)) {
1820 memcpy(str, &val, sizeof(val));
1821 str[sizeof(val)] = 0;
1822 }
1823 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1824 data->ip, val, str);
1825 return len + perf_sample__fprintf_pt_spacing(len, fp);
1826}
1827
1828static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1829{
1830 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1831 int len;
1832
1833 if (perf_sample__bad_synth_size(sample, *data))
1834 return 0;
1835
1836 len = fprintf(fp, " hints: %#x extensions: %#x ",
1837 data->hints, data->extensions);
1838 return len + perf_sample__fprintf_pt_spacing(len, fp);
1839}
1840
1841static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1842{
1843 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1844 int len;
1845
1846 if (perf_sample__bad_synth_size(sample, *data))
1847 return 0;
1848
1849 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1850 data->hw, data->cstate, data->subcstate);
1851 return len + perf_sample__fprintf_pt_spacing(len, fp);
1852}
1853
1854static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1855{
1856 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1857 int len;
1858
1859 if (perf_sample__bad_synth_size(sample, *data))
1860 return 0;
1861
1862 len = fprintf(fp, " IP: %u ", data->ip);
1863 return len + perf_sample__fprintf_pt_spacing(len, fp);
1864}
1865
1866static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1867{
1868 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1869 int len;
1870
1871 if (perf_sample__bad_synth_size(sample, *data))
1872 return 0;
1873
1874 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1875 data->deepest_cstate, data->last_cstate,
1876 data->wake_reason);
1877 return len + perf_sample__fprintf_pt_spacing(len, fp);
1878}
1879
1880static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1881{
1882 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1883 unsigned int percent, freq;
1884 int len;
1885
1886 if (perf_sample__bad_synth_size(sample, *data))
1887 return 0;
1888
1889 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1890 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1891 if (data->max_nonturbo) {
1892 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1893 len += fprintf(fp, "(%3u%%) ", percent);
1894 }
1895 return len + perf_sample__fprintf_pt_spacing(len, fp);
1896}
1897
1898static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1899{
1900 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1901 int len;
1902
1903 if (perf_sample__bad_synth_size(sample, *data))
1904 return 0;
1905
1906 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1907 return len + perf_sample__fprintf_pt_spacing(len, fp);
1908}
1909
1910/* Intel PT Event Trace */
1911static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1912{
1913 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1914 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1915 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1916 "SHUTDOWN", NULL, "UINTR", "UIRET"};
1917 const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1918 const char *s;
1919 int len, i;
1920
1921 if (perf_sample__bad_synth_size(sample, *data))
1922 return 0;
1923
1924 s = cfe[data->type];
1925 if (s) {
1926 len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1927 s, data->ip, data->vector);
1928 } else {
1929 len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1930 data->type, data->ip, data->vector);
1931 }
1932 for (i = 0; i < data->evd_cnt; i++) {
1933 unsigned int et = data->evd[i].evd_type & 0x3f;
1934
1935 s = evd[et];
1936 if (s) {
1937 len += fprintf(fp, " %s: %#" PRIx64,
1938 s, data->evd[i].payload);
1939 } else {
1940 len += fprintf(fp, " EVD_%u: %#" PRIx64,
1941 et, data->evd[i].payload);
1942 }
1943 }
1944 return len + perf_sample__fprintf_pt_spacing(len, fp);
1945}
1946
1947static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1948{
1949 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1950 int len;
1951
1952 if (perf_sample__bad_synth_size(sample, *data))
1953 return 0;
1954
1955 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1956 data->via_branch ? "via" : "non");
1957 return len + perf_sample__fprintf_pt_spacing(len, fp);
1958}
1959
1960static int perf_sample__fprintf_synth(struct perf_sample *sample,
1961 struct evsel *evsel, FILE *fp)
1962{
1963 switch (evsel->core.attr.config) {
1964 case PERF_SYNTH_INTEL_PTWRITE:
1965 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1966 case PERF_SYNTH_INTEL_MWAIT:
1967 return perf_sample__fprintf_synth_mwait(sample, fp);
1968 case PERF_SYNTH_INTEL_PWRE:
1969 return perf_sample__fprintf_synth_pwre(sample, fp);
1970 case PERF_SYNTH_INTEL_EXSTOP:
1971 return perf_sample__fprintf_synth_exstop(sample, fp);
1972 case PERF_SYNTH_INTEL_PWRX:
1973 return perf_sample__fprintf_synth_pwrx(sample, fp);
1974 case PERF_SYNTH_INTEL_CBR:
1975 return perf_sample__fprintf_synth_cbr(sample, fp);
1976 case PERF_SYNTH_INTEL_PSB:
1977 return perf_sample__fprintf_synth_psb(sample, fp);
1978 case PERF_SYNTH_INTEL_EVT:
1979 return perf_sample__fprintf_synth_evt(sample, fp);
1980 case PERF_SYNTH_INTEL_IFLAG_CHG:
1981 return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1982 default:
1983 break;
1984 }
1985
1986 return 0;
1987}
1988
1989static int evlist__max_name_len(struct evlist *evlist)
1990{
1991 struct evsel *evsel;
1992 int max = 0;
1993
1994 evlist__for_each_entry(evlist, evsel) {
1995 int len = strlen(evsel__name(evsel));
1996
1997 max = MAX(len, max);
1998 }
1999
2000 return max;
2001}
2002
2003static int data_src__fprintf(u64 data_src, FILE *fp)
2004{
2005 struct mem_info mi = { .data_src.val = data_src };
2006 char decode[100];
2007 char out[100];
2008 static int maxlen;
2009 int len;
2010
2011 perf_script__meminfo_scnprintf(decode, 100, &mi);
2012
2013 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2014 if (maxlen < len)
2015 maxlen = len;
2016
2017 return fprintf(fp, "%-*s", maxlen, out);
2018}
2019
2020struct metric_ctx {
2021 struct perf_sample *sample;
2022 struct thread *thread;
2023 struct evsel *evsel;
2024 FILE *fp;
2025};
2026
2027static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2028 void *ctx, const char *color,
2029 const char *fmt,
2030 const char *unit, double val)
2031{
2032 struct metric_ctx *mctx = ctx;
2033
2034 if (!fmt)
2035 return;
2036 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2037 PERF_RECORD_SAMPLE, mctx->fp);
2038 fputs("\tmetric: ", mctx->fp);
2039 if (color)
2040 color_fprintf(mctx->fp, color, fmt, val);
2041 else
2042 printf(fmt, val);
2043 fprintf(mctx->fp, " %s\n", unit);
2044}
2045
2046static void script_new_line(struct perf_stat_config *config __maybe_unused,
2047 void *ctx)
2048{
2049 struct metric_ctx *mctx = ctx;
2050
2051 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2052 PERF_RECORD_SAMPLE, mctx->fp);
2053 fputs("\tmetric: ", mctx->fp);
2054}
2055
2056static void perf_sample__fprint_metric(struct perf_script *script,
2057 struct thread *thread,
2058 struct evsel *evsel,
2059 struct perf_sample *sample,
2060 FILE *fp)
2061{
2062 struct evsel *leader = evsel__leader(evsel);
2063 struct perf_stat_output_ctx ctx = {
2064 .print_metric = script_print_metric,
2065 .new_line = script_new_line,
2066 .ctx = &(struct metric_ctx) {
2067 .sample = sample,
2068 .thread = thread,
2069 .evsel = evsel,
2070 .fp = fp,
2071 },
2072 .force_header = false,
2073 };
2074 struct evsel *ev2;
2075 u64 val;
2076
2077 if (!evsel->stats)
2078 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2079 if (evsel_script(leader)->gnum++ == 0)
2080 perf_stat__reset_shadow_stats();
2081 val = sample->period * evsel->scale;
2082 evsel_script(evsel)->val = val;
2083 if (evsel_script(leader)->gnum == leader->core.nr_members) {
2084 for_each_group_member (ev2, leader) {
2085 perf_stat__print_shadow_stats(&stat_config, ev2,
2086 evsel_script(ev2)->val,
2087 sample->cpu,
2088 &ctx,
2089 NULL);
2090 }
2091 evsel_script(leader)->gnum = 0;
2092 }
2093}
2094
2095static bool show_event(struct perf_sample *sample,
2096 struct evsel *evsel,
2097 struct thread *thread,
2098 struct addr_location *al,
2099 struct addr_location *addr_al)
2100{
2101 int depth = thread_stack__depth(thread, sample->cpu);
2102
2103 if (!symbol_conf.graph_function)
2104 return true;
2105
2106 if (thread__filter(thread)) {
2107 if (depth <= thread__filter_entry_depth(thread)) {
2108 thread__set_filter(thread, false);
2109 return false;
2110 }
2111 return true;
2112 } else {
2113 const char *s = symbol_conf.graph_function;
2114 u64 ip;
2115 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2116 &ip);
2117 unsigned nlen;
2118
2119 if (!name)
2120 return false;
2121 nlen = strlen(name);
2122 while (*s) {
2123 unsigned len = strcspn(s, ",");
2124 if (nlen == len && !strncmp(name, s, len)) {
2125 thread__set_filter(thread, true);
2126 thread__set_filter_entry_depth(thread, depth);
2127 return true;
2128 }
2129 s += len;
2130 if (*s == ',')
2131 s++;
2132 }
2133 return false;
2134 }
2135}
2136
2137static void process_event(struct perf_script *script,
2138 struct perf_sample *sample, struct evsel *evsel,
2139 struct addr_location *al,
2140 struct addr_location *addr_al,
2141 struct machine *machine)
2142{
2143 struct thread *thread = al->thread;
2144 struct perf_event_attr *attr = &evsel->core.attr;
2145 unsigned int type = output_type(attr->type);
2146 struct evsel_script *es = evsel->priv;
2147 FILE *fp = es->fp;
2148 char str[PAGE_SIZE_NAME_LEN];
2149 const char *arch = perf_env__arch(machine->env);
2150
2151 if (output[type].fields == 0)
2152 return;
2153
2154 ++es->samples;
2155
2156 perf_sample__fprintf_start(script, sample, thread, evsel,
2157 PERF_RECORD_SAMPLE, fp);
2158
2159 if (PRINT_FIELD(PERIOD))
2160 fprintf(fp, "%10" PRIu64 " ", sample->period);
2161
2162 if (PRINT_FIELD(EVNAME)) {
2163 const char *evname = evsel__name(evsel);
2164
2165 if (!script->name_width)
2166 script->name_width = evlist__max_name_len(script->session->evlist);
2167
2168 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2169 }
2170
2171 if (print_flags)
2172 perf_sample__fprintf_flags(sample->flags, fp);
2173
2174 if (is_bts_event(attr)) {
2175 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2176 return;
2177 }
2178#ifdef HAVE_LIBTRACEEVENT
2179 if (PRINT_FIELD(TRACE) && sample->raw_data) {
2180 event_format__fprintf(evsel->tp_format, sample->cpu,
2181 sample->raw_data, sample->raw_size, fp);
2182 }
2183#endif
2184 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2185 perf_sample__fprintf_synth(sample, evsel, fp);
2186
2187 if (PRINT_FIELD(ADDR))
2188 perf_sample__fprintf_addr(sample, thread, attr, fp);
2189
2190 if (PRINT_FIELD(DATA_SRC))
2191 data_src__fprintf(sample->data_src, fp);
2192
2193 if (PRINT_FIELD(WEIGHT))
2194 fprintf(fp, "%16" PRIu64, sample->weight);
2195
2196 if (PRINT_FIELD(INS_LAT))
2197 fprintf(fp, "%16" PRIu16, sample->ins_lat);
2198
2199 if (PRINT_FIELD(RETIRE_LAT))
2200 fprintf(fp, "%16" PRIu16, sample->retire_lat);
2201
2202 if (PRINT_FIELD(CGROUP)) {
2203 const char *cgrp_name;
2204 struct cgroup *cgrp = cgroup__find(machine->env,
2205 sample->cgroup);
2206 if (cgrp != NULL)
2207 cgrp_name = cgrp->name;
2208 else
2209 cgrp_name = "unknown";
2210 fprintf(fp, " %s", cgrp_name);
2211 }
2212
2213 if (PRINT_FIELD(IP)) {
2214 struct callchain_cursor *cursor = NULL;
2215
2216 if (script->stitch_lbr)
2217 thread__set_lbr_stitch_enable(al->thread, true);
2218
2219 if (symbol_conf.use_callchain && sample->callchain) {
2220 cursor = get_tls_callchain_cursor();
2221 if (thread__resolve_callchain(al->thread, cursor, evsel,
2222 sample, NULL, NULL,
2223 scripting_max_stack))
2224 cursor = NULL;
2225 }
2226 fputc(cursor ? '\n' : ' ', fp);
2227 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2228 symbol_conf.bt_stop_list, fp);
2229 }
2230
2231 if (PRINT_FIELD(IREGS))
2232 perf_sample__fprintf_iregs(sample, attr, arch, fp);
2233
2234 if (PRINT_FIELD(UREGS))
2235 perf_sample__fprintf_uregs(sample, attr, arch, fp);
2236
2237 if (PRINT_FIELD(BRSTACK))
2238 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2239 else if (PRINT_FIELD(BRSTACKSYM))
2240 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2241 else if (PRINT_FIELD(BRSTACKOFF))
2242 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2243
2244 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2245 perf_sample__fprintf_bpf_output(sample, fp);
2246 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2247
2248 if (PRINT_FIELD(PHYS_ADDR))
2249 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2250
2251 if (PRINT_FIELD(DATA_PAGE_SIZE))
2252 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2253
2254 if (PRINT_FIELD(CODE_PAGE_SIZE))
2255 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2256
2257 perf_sample__fprintf_ipc(sample, attr, fp);
2258
2259 fprintf(fp, "\n");
2260
2261 if (PRINT_FIELD(SRCCODE)) {
2262 if (map__fprintf_srccode(al->map, al->addr, stdout,
2263 thread__srccode_state(thread)))
2264 printf("\n");
2265 }
2266
2267 if (PRINT_FIELD(METRIC))
2268 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2269
2270 if (verbose > 0)
2271 fflush(fp);
2272}
2273
2274static struct scripting_ops *scripting_ops;
2275
2276static void __process_stat(struct evsel *counter, u64 tstamp)
2277{
2278 int nthreads = perf_thread_map__nr(counter->core.threads);
2279 int idx, thread;
2280 struct perf_cpu cpu;
2281 static int header_printed;
2282
2283 if (!header_printed) {
2284 printf("%3s %8s %15s %15s %15s %15s %s\n",
2285 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2286 header_printed = 1;
2287 }
2288
2289 for (thread = 0; thread < nthreads; thread++) {
2290 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2291 struct perf_counts_values *counts;
2292
2293 counts = perf_counts(counter->counts, idx, thread);
2294
2295 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2296 cpu.cpu,
2297 perf_thread_map__pid(counter->core.threads, thread),
2298 counts->val,
2299 counts->ena,
2300 counts->run,
2301 tstamp,
2302 evsel__name(counter));
2303 }
2304 }
2305}
2306
2307static void process_stat(struct evsel *counter, u64 tstamp)
2308{
2309 if (scripting_ops && scripting_ops->process_stat)
2310 scripting_ops->process_stat(&stat_config, counter, tstamp);
2311 else
2312 __process_stat(counter, tstamp);
2313}
2314
2315static void process_stat_interval(u64 tstamp)
2316{
2317 if (scripting_ops && scripting_ops->process_stat_interval)
2318 scripting_ops->process_stat_interval(tstamp);
2319}
2320
2321static void setup_scripting(void)
2322{
2323#ifdef HAVE_LIBTRACEEVENT
2324 setup_perl_scripting();
2325#endif
2326 setup_python_scripting();
2327}
2328
2329static int flush_scripting(void)
2330{
2331 return scripting_ops ? scripting_ops->flush_script() : 0;
2332}
2333
2334static int cleanup_scripting(void)
2335{
2336 pr_debug("\nperf script stopped\n");
2337
2338 return scripting_ops ? scripting_ops->stop_script() : 0;
2339}
2340
2341static bool filter_cpu(struct perf_sample *sample)
2342{
2343 if (cpu_list && sample->cpu != (u32)-1)
2344 return !test_bit(sample->cpu, cpu_bitmap);
2345 return false;
2346}
2347
2348static int process_sample_event(struct perf_tool *tool,
2349 union perf_event *event,
2350 struct perf_sample *sample,
2351 struct evsel *evsel,
2352 struct machine *machine)
2353{
2354 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2355 struct addr_location al;
2356 struct addr_location addr_al;
2357 int ret = 0;
2358
2359 /* Set thread to NULL to indicate addr_al and al are not initialized */
2360 addr_location__init(&al);
2361 addr_location__init(&addr_al);
2362
2363 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2364 if (ret) {
2365 if (ret > 0)
2366 ret = 0;
2367 goto out_put;
2368 }
2369
2370 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2371 sample->time)) {
2372 goto out_put;
2373 }
2374
2375 if (debug_mode) {
2376 if (sample->time < last_timestamp) {
2377 pr_err("Samples misordered, previous: %" PRIu64
2378 " this: %" PRIu64 "\n", last_timestamp,
2379 sample->time);
2380 nr_unordered++;
2381 }
2382 last_timestamp = sample->time;
2383 goto out_put;
2384 }
2385
2386 if (filter_cpu(sample))
2387 goto out_put;
2388
2389 if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2390 pr_err("problem processing %d event, skipping it.\n",
2391 event->header.type);
2392 ret = -1;
2393 goto out_put;
2394 }
2395
2396 if (al.filtered)
2397 goto out_put;
2398
2399 if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2400 goto out_put;
2401
2402 if (evswitch__discard(&scr->evswitch, evsel))
2403 goto out_put;
2404
2405 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2406 if (ret) {
2407 if (ret > 0)
2408 ret = 0;
2409 goto out_put;
2410 }
2411
2412 if (scripting_ops) {
2413 struct addr_location *addr_al_ptr = NULL;
2414
2415 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2416 sample_addr_correlates_sym(&evsel->core.attr)) {
2417 if (!addr_al.thread)
2418 thread__resolve(al.thread, &addr_al, sample);
2419 addr_al_ptr = &addr_al;
2420 }
2421 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2422 } else {
2423 process_event(scr, sample, evsel, &al, &addr_al, machine);
2424 }
2425
2426out_put:
2427 addr_location__exit(&addr_al);
2428 addr_location__exit(&al);
2429 return ret;
2430}
2431
2432// Used when scr->per_event_dump is not set
2433static struct evsel_script es_stdout;
2434
2435static int process_attr(struct perf_tool *tool, union perf_event *event,
2436 struct evlist **pevlist)
2437{
2438 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2439 struct evlist *evlist;
2440 struct evsel *evsel, *pos;
2441 u64 sample_type;
2442 int err;
2443
2444 err = perf_event__process_attr(tool, event, pevlist);
2445 if (err)
2446 return err;
2447
2448 evlist = *pevlist;
2449 evsel = evlist__last(*pevlist);
2450
2451 if (!evsel->priv) {
2452 if (scr->per_event_dump) {
2453 evsel->priv = evsel_script__new(evsel, scr->session->data);
2454 if (!evsel->priv)
2455 return -ENOMEM;
2456 } else { // Replicate what is done in perf_script__setup_per_event_dump()
2457 es_stdout.fp = stdout;
2458 evsel->priv = &es_stdout;
2459 }
2460 }
2461
2462 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2463 evsel->core.attr.type != PERF_TYPE_SYNTH)
2464 return 0;
2465
2466 evlist__for_each_entry(evlist, pos) {
2467 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2468 return 0;
2469 }
2470
2471 if (evsel->core.attr.sample_type) {
2472 err = evsel__check_attr(evsel, scr->session);
2473 if (err)
2474 return err;
2475 }
2476
2477 /*
2478 * Check if we need to enable callchains based
2479 * on events sample_type.
2480 */
2481 sample_type = evlist__combined_sample_type(evlist);
2482 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2483
2484 /* Enable fields for callchain entries */
2485 if (symbol_conf.use_callchain &&
2486 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2487 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2488 (sample_type & PERF_SAMPLE_REGS_USER &&
2489 sample_type & PERF_SAMPLE_STACK_USER))) {
2490 int type = output_type(evsel->core.attr.type);
2491
2492 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2493 output[type].fields |= PERF_OUTPUT_IP;
2494 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2495 output[type].fields |= PERF_OUTPUT_SYM;
2496 }
2497 set_print_ip_opts(&evsel->core.attr);
2498 return 0;
2499}
2500
2501static int print_event_with_time(struct perf_tool *tool,
2502 union perf_event *event,
2503 struct perf_sample *sample,
2504 struct machine *machine,
2505 pid_t pid, pid_t tid, u64 timestamp)
2506{
2507 struct perf_script *script = container_of(tool, struct perf_script, tool);
2508 struct perf_session *session = script->session;
2509 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2510 struct thread *thread = NULL;
2511
2512 if (evsel && !evsel->core.attr.sample_id_all) {
2513 sample->cpu = 0;
2514 sample->time = timestamp;
2515 sample->pid = pid;
2516 sample->tid = tid;
2517 }
2518
2519 if (filter_cpu(sample))
2520 return 0;
2521
2522 if (tid != -1)
2523 thread = machine__findnew_thread(machine, pid, tid);
2524
2525 if (evsel) {
2526 perf_sample__fprintf_start(script, sample, thread, evsel,
2527 event->header.type, stdout);
2528 }
2529
2530 perf_event__fprintf(event, machine, stdout);
2531
2532 thread__put(thread);
2533
2534 return 0;
2535}
2536
2537static int print_event(struct perf_tool *tool, union perf_event *event,
2538 struct perf_sample *sample, struct machine *machine,
2539 pid_t pid, pid_t tid)
2540{
2541 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2542}
2543
2544static int process_comm_event(struct perf_tool *tool,
2545 union perf_event *event,
2546 struct perf_sample *sample,
2547 struct machine *machine)
2548{
2549 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2550 return -1;
2551
2552 return print_event(tool, event, sample, machine, event->comm.pid,
2553 event->comm.tid);
2554}
2555
2556static int process_namespaces_event(struct perf_tool *tool,
2557 union perf_event *event,
2558 struct perf_sample *sample,
2559 struct machine *machine)
2560{
2561 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2562 return -1;
2563
2564 return print_event(tool, event, sample, machine, event->namespaces.pid,
2565 event->namespaces.tid);
2566}
2567
2568static int process_cgroup_event(struct perf_tool *tool,
2569 union perf_event *event,
2570 struct perf_sample *sample,
2571 struct machine *machine)
2572{
2573 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2574 return -1;
2575
2576 return print_event(tool, event, sample, machine, sample->pid,
2577 sample->tid);
2578}
2579
2580static int process_fork_event(struct perf_tool *tool,
2581 union perf_event *event,
2582 struct perf_sample *sample,
2583 struct machine *machine)
2584{
2585 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2586 return -1;
2587
2588 return print_event_with_time(tool, event, sample, machine,
2589 event->fork.pid, event->fork.tid,
2590 event->fork.time);
2591}
2592static int process_exit_event(struct perf_tool *tool,
2593 union perf_event *event,
2594 struct perf_sample *sample,
2595 struct machine *machine)
2596{
2597 /* Print before 'exit' deletes anything */
2598 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2599 event->fork.tid, event->fork.time))
2600 return -1;
2601
2602 return perf_event__process_exit(tool, event, sample, machine);
2603}
2604
2605static int process_mmap_event(struct perf_tool *tool,
2606 union perf_event *event,
2607 struct perf_sample *sample,
2608 struct machine *machine)
2609{
2610 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2611 return -1;
2612
2613 return print_event(tool, event, sample, machine, event->mmap.pid,
2614 event->mmap.tid);
2615}
2616
2617static int process_mmap2_event(struct perf_tool *tool,
2618 union perf_event *event,
2619 struct perf_sample *sample,
2620 struct machine *machine)
2621{
2622 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2623 return -1;
2624
2625 return print_event(tool, event, sample, machine, event->mmap2.pid,
2626 event->mmap2.tid);
2627}
2628
2629static int process_switch_event(struct perf_tool *tool,
2630 union perf_event *event,
2631 struct perf_sample *sample,
2632 struct machine *machine)
2633{
2634 struct perf_script *script = container_of(tool, struct perf_script, tool);
2635
2636 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2637 return -1;
2638
2639 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2640 scripting_ops->process_switch(event, sample, machine);
2641
2642 if (!script->show_switch_events)
2643 return 0;
2644
2645 return print_event(tool, event, sample, machine, sample->pid,
2646 sample->tid);
2647}
2648
2649static int process_auxtrace_error(struct perf_session *session,
2650 union perf_event *event)
2651{
2652 if (scripting_ops && scripting_ops->process_auxtrace_error) {
2653 scripting_ops->process_auxtrace_error(session, event);
2654 return 0;
2655 }
2656
2657 return perf_event__process_auxtrace_error(session, event);
2658}
2659
2660static int
2661process_lost_event(struct perf_tool *tool,
2662 union perf_event *event,
2663 struct perf_sample *sample,
2664 struct machine *machine)
2665{
2666 return print_event(tool, event, sample, machine, sample->pid,
2667 sample->tid);
2668}
2669
2670static int
2671process_throttle_event(struct perf_tool *tool __maybe_unused,
2672 union perf_event *event,
2673 struct perf_sample *sample,
2674 struct machine *machine)
2675{
2676 if (scripting_ops && scripting_ops->process_throttle)
2677 scripting_ops->process_throttle(event, sample, machine);
2678 return 0;
2679}
2680
2681static int
2682process_finished_round_event(struct perf_tool *tool __maybe_unused,
2683 union perf_event *event,
2684 struct ordered_events *oe __maybe_unused)
2685
2686{
2687 perf_event__fprintf(event, NULL, stdout);
2688 return 0;
2689}
2690
2691static int
2692process_bpf_events(struct perf_tool *tool __maybe_unused,
2693 union perf_event *event,
2694 struct perf_sample *sample,
2695 struct machine *machine)
2696{
2697 if (machine__process_ksymbol(machine, event, sample) < 0)
2698 return -1;
2699
2700 return print_event(tool, event, sample, machine, sample->pid,
2701 sample->tid);
2702}
2703
2704static int process_text_poke_events(struct perf_tool *tool,
2705 union perf_event *event,
2706 struct perf_sample *sample,
2707 struct machine *machine)
2708{
2709 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2710 return -1;
2711
2712 return print_event(tool, event, sample, machine, sample->pid,
2713 sample->tid);
2714}
2715
2716static void sig_handler(int sig __maybe_unused)
2717{
2718 session_done = 1;
2719}
2720
2721static void perf_script__fclose_per_event_dump(struct perf_script *script)
2722{
2723 struct evlist *evlist = script->session->evlist;
2724 struct evsel *evsel;
2725
2726 evlist__for_each_entry(evlist, evsel) {
2727 if (!evsel->priv)
2728 break;
2729 evsel_script__delete(evsel->priv);
2730 evsel->priv = NULL;
2731 }
2732}
2733
2734static int perf_script__fopen_per_event_dump(struct perf_script *script)
2735{
2736 struct evsel *evsel;
2737
2738 evlist__for_each_entry(script->session->evlist, evsel) {
2739 /*
2740 * Already setup? I.e. we may be called twice in cases like
2741 * Intel PT, one for the intel_pt// and dummy events, then
2742 * for the evsels synthesized from the auxtrace info.
2743 *
2744 * Ses perf_script__process_auxtrace_info.
2745 */
2746 if (evsel->priv != NULL)
2747 continue;
2748
2749 evsel->priv = evsel_script__new(evsel, script->session->data);
2750 if (evsel->priv == NULL)
2751 goto out_err_fclose;
2752 }
2753
2754 return 0;
2755
2756out_err_fclose:
2757 perf_script__fclose_per_event_dump(script);
2758 return -1;
2759}
2760
2761static int perf_script__setup_per_event_dump(struct perf_script *script)
2762{
2763 struct evsel *evsel;
2764
2765 if (script->per_event_dump)
2766 return perf_script__fopen_per_event_dump(script);
2767
2768 es_stdout.fp = stdout;
2769
2770 evlist__for_each_entry(script->session->evlist, evsel)
2771 evsel->priv = &es_stdout;
2772
2773 return 0;
2774}
2775
2776static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2777{
2778 struct evsel *evsel;
2779
2780 evlist__for_each_entry(script->session->evlist, evsel) {
2781 struct evsel_script *es = evsel->priv;
2782
2783 evsel_script__fprintf(es, stdout);
2784 evsel_script__delete(es);
2785 evsel->priv = NULL;
2786 }
2787}
2788
2789static void perf_script__exit(struct perf_script *script)
2790{
2791 perf_thread_map__put(script->threads);
2792 perf_cpu_map__put(script->cpus);
2793}
2794
2795static int __cmd_script(struct perf_script *script)
2796{
2797 int ret;
2798
2799 signal(SIGINT, sig_handler);
2800
2801 /* override event processing functions */
2802 if (script->show_task_events) {
2803 script->tool.comm = process_comm_event;
2804 script->tool.fork = process_fork_event;
2805 script->tool.exit = process_exit_event;
2806 }
2807 if (script->show_mmap_events) {
2808 script->tool.mmap = process_mmap_event;
2809 script->tool.mmap2 = process_mmap2_event;
2810 }
2811 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2812 script->tool.context_switch = process_switch_event;
2813 if (scripting_ops && scripting_ops->process_auxtrace_error)
2814 script->tool.auxtrace_error = process_auxtrace_error;
2815 if (script->show_namespace_events)
2816 script->tool.namespaces = process_namespaces_event;
2817 if (script->show_cgroup_events)
2818 script->tool.cgroup = process_cgroup_event;
2819 if (script->show_lost_events)
2820 script->tool.lost = process_lost_event;
2821 if (script->show_round_events) {
2822 script->tool.ordered_events = false;
2823 script->tool.finished_round = process_finished_round_event;
2824 }
2825 if (script->show_bpf_events) {
2826 script->tool.ksymbol = process_bpf_events;
2827 script->tool.bpf = process_bpf_events;
2828 }
2829 if (script->show_text_poke_events) {
2830 script->tool.ksymbol = process_bpf_events;
2831 script->tool.text_poke = process_text_poke_events;
2832 }
2833
2834 if (perf_script__setup_per_event_dump(script)) {
2835 pr_err("Couldn't create the per event dump files\n");
2836 return -1;
2837 }
2838
2839 ret = perf_session__process_events(script->session);
2840
2841 if (script->per_event_dump)
2842 perf_script__exit_per_event_dump_stats(script);
2843
2844 if (debug_mode)
2845 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2846
2847 return ret;
2848}
2849
2850struct script_spec {
2851 struct list_head node;
2852 struct scripting_ops *ops;
2853 char spec[];
2854};
2855
2856static LIST_HEAD(script_specs);
2857
2858static struct script_spec *script_spec__new(const char *spec,
2859 struct scripting_ops *ops)
2860{
2861 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2862
2863 if (s != NULL) {
2864 strcpy(s->spec, spec);
2865 s->ops = ops;
2866 }
2867
2868 return s;
2869}
2870
2871static void script_spec__add(struct script_spec *s)
2872{
2873 list_add_tail(&s->node, &script_specs);
2874}
2875
2876static struct script_spec *script_spec__find(const char *spec)
2877{
2878 struct script_spec *s;
2879
2880 list_for_each_entry(s, &script_specs, node)
2881 if (strcasecmp(s->spec, spec) == 0)
2882 return s;
2883 return NULL;
2884}
2885
2886int script_spec_register(const char *spec, struct scripting_ops *ops)
2887{
2888 struct script_spec *s;
2889
2890 s = script_spec__find(spec);
2891 if (s)
2892 return -1;
2893
2894 s = script_spec__new(spec, ops);
2895 if (!s)
2896 return -1;
2897 else
2898 script_spec__add(s);
2899
2900 return 0;
2901}
2902
2903static struct scripting_ops *script_spec__lookup(const char *spec)
2904{
2905 struct script_spec *s = script_spec__find(spec);
2906 if (!s)
2907 return NULL;
2908
2909 return s->ops;
2910}
2911
2912static void list_available_languages(void)
2913{
2914 struct script_spec *s;
2915
2916 fprintf(stderr, "\n");
2917 fprintf(stderr, "Scripting language extensions (used in "
2918 "perf script -s [spec:]script.[spec]):\n\n");
2919
2920 list_for_each_entry(s, &script_specs, node)
2921 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2922
2923 fprintf(stderr, "\n");
2924}
2925
2926/* Find script file relative to current directory or exec path */
2927static char *find_script(const char *script)
2928{
2929 char path[PATH_MAX];
2930
2931 if (!scripting_ops) {
2932 const char *ext = strrchr(script, '.');
2933
2934 if (!ext)
2935 return NULL;
2936
2937 scripting_ops = script_spec__lookup(++ext);
2938 if (!scripting_ops)
2939 return NULL;
2940 }
2941
2942 if (access(script, R_OK)) {
2943 char *exec_path = get_argv_exec_path();
2944
2945 if (!exec_path)
2946 return NULL;
2947 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2948 exec_path, scripting_ops->dirname, script);
2949 free(exec_path);
2950 script = path;
2951 if (access(script, R_OK))
2952 return NULL;
2953 }
2954 return strdup(script);
2955}
2956
2957static int parse_scriptname(const struct option *opt __maybe_unused,
2958 const char *str, int unset __maybe_unused)
2959{
2960 char spec[PATH_MAX];
2961 const char *script, *ext;
2962 int len;
2963
2964 if (strcmp(str, "lang") == 0) {
2965 list_available_languages();
2966 exit(0);
2967 }
2968
2969 script = strchr(str, ':');
2970 if (script) {
2971 len = script - str;
2972 if (len >= PATH_MAX) {
2973 fprintf(stderr, "invalid language specifier");
2974 return -1;
2975 }
2976 strncpy(spec, str, len);
2977 spec[len] = '\0';
2978 scripting_ops = script_spec__lookup(spec);
2979 if (!scripting_ops) {
2980 fprintf(stderr, "invalid language specifier");
2981 return -1;
2982 }
2983 script++;
2984 } else {
2985 script = str;
2986 ext = strrchr(script, '.');
2987 if (!ext) {
2988 fprintf(stderr, "invalid script extension");
2989 return -1;
2990 }
2991 scripting_ops = script_spec__lookup(++ext);
2992 if (!scripting_ops) {
2993 fprintf(stderr, "invalid script extension");
2994 return -1;
2995 }
2996 }
2997
2998 script_name = find_script(script);
2999 if (!script_name)
3000 script_name = strdup(script);
3001
3002 return 0;
3003}
3004
3005static int parse_output_fields(const struct option *opt __maybe_unused,
3006 const char *arg, int unset __maybe_unused)
3007{
3008 char *tok, *strtok_saveptr = NULL;
3009 int i, imax = ARRAY_SIZE(all_output_options);
3010 int j;
3011 int rc = 0;
3012 char *str = strdup(arg);
3013 int type = -1;
3014 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3015
3016 if (!str)
3017 return -ENOMEM;
3018
3019 /* first word can state for which event type the user is specifying
3020 * the fields. If no type exists, the specified fields apply to all
3021 * event types found in the file minus the invalid fields for a type.
3022 */
3023 tok = strchr(str, ':');
3024 if (tok) {
3025 *tok = '\0';
3026 tok++;
3027 if (!strcmp(str, "hw"))
3028 type = PERF_TYPE_HARDWARE;
3029 else if (!strcmp(str, "sw"))
3030 type = PERF_TYPE_SOFTWARE;
3031 else if (!strcmp(str, "trace"))
3032 type = PERF_TYPE_TRACEPOINT;
3033 else if (!strcmp(str, "raw"))
3034 type = PERF_TYPE_RAW;
3035 else if (!strcmp(str, "break"))
3036 type = PERF_TYPE_BREAKPOINT;
3037 else if (!strcmp(str, "synth"))
3038 type = OUTPUT_TYPE_SYNTH;
3039 else {
3040 fprintf(stderr, "Invalid event type in field string.\n");
3041 rc = -EINVAL;
3042 goto out;
3043 }
3044
3045 if (output[type].user_set)
3046 pr_warning("Overriding previous field request for %s events.\n",
3047 event_type(type));
3048
3049 /* Don't override defaults for +- */
3050 if (strchr(tok, '+') || strchr(tok, '-'))
3051 goto parse;
3052
3053 output[type].fields = 0;
3054 output[type].user_set = true;
3055 output[type].wildcard_set = false;
3056
3057 } else {
3058 tok = str;
3059 if (strlen(str) == 0) {
3060 fprintf(stderr,
3061 "Cannot set fields to 'none' for all event types.\n");
3062 rc = -EINVAL;
3063 goto out;
3064 }
3065
3066 /* Don't override defaults for +- */
3067 if (strchr(str, '+') || strchr(str, '-'))
3068 goto parse;
3069
3070 if (output_set_by_user())
3071 pr_warning("Overriding previous field request for all events.\n");
3072
3073 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3074 output[j].fields = 0;
3075 output[j].user_set = true;
3076 output[j].wildcard_set = true;
3077 }
3078 }
3079
3080parse:
3081 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3082 if (*tok == '+') {
3083 if (change == SET)
3084 goto out_badmix;
3085 change = ADD;
3086 tok++;
3087 } else if (*tok == '-') {
3088 if (change == SET)
3089 goto out_badmix;
3090 change = REMOVE;
3091 tok++;
3092 } else {
3093 if (change != SET && change != DEFAULT)
3094 goto out_badmix;
3095 change = SET;
3096 }
3097
3098 for (i = 0; i < imax; ++i) {
3099 if (strcmp(tok, all_output_options[i].str) == 0)
3100 break;
3101 }
3102 if (i == imax && strcmp(tok, "flags") == 0) {
3103 print_flags = change != REMOVE;
3104 continue;
3105 }
3106 if (i == imax) {
3107 fprintf(stderr, "Invalid field requested.\n");
3108 rc = -EINVAL;
3109 goto out;
3110 }
3111
3112 if (type == -1) {
3113 /* add user option to all events types for
3114 * which it is valid
3115 */
3116 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3117 if (output[j].invalid_fields & all_output_options[i].field) {
3118 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3119 all_output_options[i].str, event_type(j));
3120 } else {
3121 if (change == REMOVE) {
3122 output[j].fields &= ~all_output_options[i].field;
3123 output[j].user_set_fields &= ~all_output_options[i].field;
3124 output[j].user_unset_fields |= all_output_options[i].field;
3125 } else {
3126 output[j].fields |= all_output_options[i].field;
3127 output[j].user_set_fields |= all_output_options[i].field;
3128 output[j].user_unset_fields &= ~all_output_options[i].field;
3129 }
3130 output[j].user_set = true;
3131 output[j].wildcard_set = true;
3132 }
3133 }
3134 } else {
3135 if (output[type].invalid_fields & all_output_options[i].field) {
3136 fprintf(stderr, "\'%s\' not valid for %s events.\n",
3137 all_output_options[i].str, event_type(type));
3138
3139 rc = -EINVAL;
3140 goto out;
3141 }
3142 if (change == REMOVE)
3143 output[type].fields &= ~all_output_options[i].field;
3144 else
3145 output[type].fields |= all_output_options[i].field;
3146 output[type].user_set = true;
3147 output[type].wildcard_set = true;
3148 }
3149 }
3150
3151 if (type >= 0) {
3152 if (output[type].fields == 0) {
3153 pr_debug("No fields requested for %s type. "
3154 "Events will not be displayed.\n", event_type(type));
3155 }
3156 }
3157 goto out;
3158
3159out_badmix:
3160 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3161 rc = -EINVAL;
3162out:
3163 free(str);
3164 return rc;
3165}
3166
3167#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
3168 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
3169 if ((lang_dirent->d_type == DT_DIR || \
3170 (lang_dirent->d_type == DT_UNKNOWN && \
3171 is_directory(scripts_path, lang_dirent))) && \
3172 (strcmp(lang_dirent->d_name, ".")) && \
3173 (strcmp(lang_dirent->d_name, "..")))
3174
3175#define for_each_script(lang_path, lang_dir, script_dirent) \
3176 while ((script_dirent = readdir(lang_dir)) != NULL) \
3177 if (script_dirent->d_type != DT_DIR && \
3178 (script_dirent->d_type != DT_UNKNOWN || \
3179 !is_directory(lang_path, script_dirent)))
3180
3181
3182#define RECORD_SUFFIX "-record"
3183#define REPORT_SUFFIX "-report"
3184
3185struct script_desc {
3186 struct list_head node;
3187 char *name;
3188 char *half_liner;
3189 char *args;
3190};
3191
3192static LIST_HEAD(script_descs);
3193
3194static struct script_desc *script_desc__new(const char *name)
3195{
3196 struct script_desc *s = zalloc(sizeof(*s));
3197
3198 if (s != NULL && name)
3199 s->name = strdup(name);
3200
3201 return s;
3202}
3203
3204static void script_desc__delete(struct script_desc *s)
3205{
3206 zfree(&s->name);
3207 zfree(&s->half_liner);
3208 zfree(&s->args);
3209 free(s);
3210}
3211
3212static void script_desc__add(struct script_desc *s)
3213{
3214 list_add_tail(&s->node, &script_descs);
3215}
3216
3217static struct script_desc *script_desc__find(const char *name)
3218{
3219 struct script_desc *s;
3220
3221 list_for_each_entry(s, &script_descs, node)
3222 if (strcasecmp(s->name, name) == 0)
3223 return s;
3224 return NULL;
3225}
3226
3227static struct script_desc *script_desc__findnew(const char *name)
3228{
3229 struct script_desc *s = script_desc__find(name);
3230
3231 if (s)
3232 return s;
3233
3234 s = script_desc__new(name);
3235 if (!s)
3236 return NULL;
3237
3238 script_desc__add(s);
3239
3240 return s;
3241}
3242
3243static const char *ends_with(const char *str, const char *suffix)
3244{
3245 size_t suffix_len = strlen(suffix);
3246 const char *p = str;
3247
3248 if (strlen(str) > suffix_len) {
3249 p = str + strlen(str) - suffix_len;
3250 if (!strncmp(p, suffix, suffix_len))
3251 return p;
3252 }
3253
3254 return NULL;
3255}
3256
3257static int read_script_info(struct script_desc *desc, const char *filename)
3258{
3259 char line[BUFSIZ], *p;
3260 FILE *fp;
3261
3262 fp = fopen(filename, "r");
3263 if (!fp)
3264 return -1;
3265
3266 while (fgets(line, sizeof(line), fp)) {
3267 p = skip_spaces(line);
3268 if (strlen(p) == 0)
3269 continue;
3270 if (*p != '#')
3271 continue;
3272 p++;
3273 if (strlen(p) && *p == '!')
3274 continue;
3275
3276 p = skip_spaces(p);
3277 if (strlen(p) && p[strlen(p) - 1] == '\n')
3278 p[strlen(p) - 1] = '\0';
3279
3280 if (!strncmp(p, "description:", strlen("description:"))) {
3281 p += strlen("description:");
3282 desc->half_liner = strdup(skip_spaces(p));
3283 continue;
3284 }
3285
3286 if (!strncmp(p, "args:", strlen("args:"))) {
3287 p += strlen("args:");
3288 desc->args = strdup(skip_spaces(p));
3289 continue;
3290 }
3291 }
3292
3293 fclose(fp);
3294
3295 return 0;
3296}
3297
3298static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3299{
3300 char *script_root, *str;
3301
3302 script_root = strdup(script_dirent->d_name);
3303 if (!script_root)
3304 return NULL;
3305
3306 str = (char *)ends_with(script_root, suffix);
3307 if (!str) {
3308 free(script_root);
3309 return NULL;
3310 }
3311
3312 *str = '\0';
3313 return script_root;
3314}
3315
3316static int list_available_scripts(const struct option *opt __maybe_unused,
3317 const char *s __maybe_unused,
3318 int unset __maybe_unused)
3319{
3320 struct dirent *script_dirent, *lang_dirent;
3321 char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3322 DIR *scripts_dir, *lang_dir;
3323 struct script_desc *desc;
3324 char *script_root;
3325
3326 buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3327 if (!buf) {
3328 pr_err("malloc failed\n");
3329 exit(-1);
3330 }
3331 scripts_path = buf;
3332 script_path = buf + MAXPATHLEN;
3333 lang_path = buf + 2 * MAXPATHLEN;
3334 first_half = buf + 3 * MAXPATHLEN;
3335
3336 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3337
3338 scripts_dir = opendir(scripts_path);
3339 if (!scripts_dir) {
3340 fprintf(stdout,
3341 "open(%s) failed.\n"
3342 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3343 scripts_path);
3344 free(buf);
3345 exit(-1);
3346 }
3347
3348 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3349 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3350 lang_dirent->d_name);
3351 lang_dir = opendir(lang_path);
3352 if (!lang_dir)
3353 continue;
3354
3355 for_each_script(lang_path, lang_dir, script_dirent) {
3356 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3357 if (script_root) {
3358 desc = script_desc__findnew(script_root);
3359 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3360 lang_path, script_dirent->d_name);
3361 read_script_info(desc, script_path);
3362 free(script_root);
3363 }
3364 }
3365 }
3366
3367 fprintf(stdout, "List of available trace scripts:\n");
3368 list_for_each_entry(desc, &script_descs, node) {
3369 sprintf(first_half, "%s %s", desc->name,
3370 desc->args ? desc->args : "");
3371 fprintf(stdout, " %-36s %s\n", first_half,
3372 desc->half_liner ? desc->half_liner : "");
3373 }
3374
3375 free(buf);
3376 exit(0);
3377}
3378
3379static int add_dlarg(const struct option *opt __maybe_unused,
3380 const char *s, int unset __maybe_unused)
3381{
3382 char *arg = strdup(s);
3383 void *a;
3384
3385 if (!arg)
3386 return -1;
3387
3388 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3389 if (!a) {
3390 free(arg);
3391 return -1;
3392 }
3393
3394 dlargv = a;
3395 dlargv[dlargc++] = arg;
3396
3397 return 0;
3398}
3399
3400static void free_dlarg(void)
3401{
3402 while (dlargc--)
3403 free(dlargv[dlargc]);
3404 free(dlargv);
3405}
3406
3407/*
3408 * Some scripts specify the required events in their "xxx-record" file,
3409 * this function will check if the events in perf.data match those
3410 * mentioned in the "xxx-record".
3411 *
3412 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3413 * which is covered well now. And new parsing code should be added to
3414 * cover the future complex formats like event groups etc.
3415 */
3416static int check_ev_match(char *dir_name, char *scriptname,
3417 struct perf_session *session)
3418{
3419 char filename[MAXPATHLEN], evname[128];
3420 char line[BUFSIZ], *p;
3421 struct evsel *pos;
3422 int match, len;
3423 FILE *fp;
3424
3425 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3426
3427 fp = fopen(filename, "r");
3428 if (!fp)
3429 return -1;
3430
3431 while (fgets(line, sizeof(line), fp)) {
3432 p = skip_spaces(line);
3433 if (*p == '#')
3434 continue;
3435
3436 while (strlen(p)) {
3437 p = strstr(p, "-e");
3438 if (!p)
3439 break;
3440
3441 p += 2;
3442 p = skip_spaces(p);
3443 len = strcspn(p, " \t");
3444 if (!len)
3445 break;
3446
3447 snprintf(evname, len + 1, "%s", p);
3448
3449 match = 0;
3450 evlist__for_each_entry(session->evlist, pos) {
3451 if (!strcmp(evsel__name(pos), evname)) {
3452 match = 1;
3453 break;
3454 }
3455 }
3456
3457 if (!match) {
3458 fclose(fp);
3459 return -1;
3460 }
3461 }
3462 }
3463
3464 fclose(fp);
3465 return 0;
3466}
3467
3468/*
3469 * Return -1 if none is found, otherwise the actual scripts number.
3470 *
3471 * Currently the only user of this function is the script browser, which
3472 * will list all statically runnable scripts, select one, execute it and
3473 * show the output in a perf browser.
3474 */
3475int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3476 int pathlen)
3477{
3478 struct dirent *script_dirent, *lang_dirent;
3479 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3480 DIR *scripts_dir, *lang_dir;
3481 struct perf_session *session;
3482 struct perf_data data = {
3483 .path = input_name,
3484 .mode = PERF_DATA_MODE_READ,
3485 };
3486 char *temp;
3487 int i = 0;
3488
3489 session = perf_session__new(&data, NULL);
3490 if (IS_ERR(session))
3491 return PTR_ERR(session);
3492
3493 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3494
3495 scripts_dir = opendir(scripts_path);
3496 if (!scripts_dir) {
3497 perf_session__delete(session);
3498 return -1;
3499 }
3500
3501 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3502 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3503 lang_dirent->d_name);
3504#ifndef HAVE_LIBPERL_SUPPORT
3505 if (strstr(lang_path, "perl"))
3506 continue;
3507#endif
3508#ifndef HAVE_LIBPYTHON_SUPPORT
3509 if (strstr(lang_path, "python"))
3510 continue;
3511#endif
3512
3513 lang_dir = opendir(lang_path);
3514 if (!lang_dir)
3515 continue;
3516
3517 for_each_script(lang_path, lang_dir, script_dirent) {
3518 /* Skip those real time scripts: xxxtop.p[yl] */
3519 if (strstr(script_dirent->d_name, "top."))
3520 continue;
3521 if (i >= num)
3522 break;
3523 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3524 lang_path,
3525 script_dirent->d_name);
3526 temp = strchr(script_dirent->d_name, '.');
3527 snprintf(scripts_array[i],
3528 (temp - script_dirent->d_name) + 1,
3529 "%s", script_dirent->d_name);
3530
3531 if (check_ev_match(lang_path,
3532 scripts_array[i], session))
3533 continue;
3534
3535 i++;
3536 }
3537 closedir(lang_dir);
3538 }
3539
3540 closedir(scripts_dir);
3541 perf_session__delete(session);
3542 return i;
3543}
3544
3545static char *get_script_path(const char *script_root, const char *suffix)
3546{
3547 struct dirent *script_dirent, *lang_dirent;
3548 char scripts_path[MAXPATHLEN];
3549 char script_path[MAXPATHLEN];
3550 DIR *scripts_dir, *lang_dir;
3551 char lang_path[MAXPATHLEN];
3552 char *__script_root;
3553
3554 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3555
3556 scripts_dir = opendir(scripts_path);
3557 if (!scripts_dir)
3558 return NULL;
3559
3560 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3561 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3562 lang_dirent->d_name);
3563 lang_dir = opendir(lang_path);
3564 if (!lang_dir)
3565 continue;
3566
3567 for_each_script(lang_path, lang_dir, script_dirent) {
3568 __script_root = get_script_root(script_dirent, suffix);
3569 if (__script_root && !strcmp(script_root, __script_root)) {
3570 free(__script_root);
3571 closedir(scripts_dir);
3572 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3573 lang_path, script_dirent->d_name);
3574 closedir(lang_dir);
3575 return strdup(script_path);
3576 }
3577 free(__script_root);
3578 }
3579 closedir(lang_dir);
3580 }
3581 closedir(scripts_dir);
3582
3583 return NULL;
3584}
3585
3586static bool is_top_script(const char *script_path)
3587{
3588 return ends_with(script_path, "top") != NULL;
3589}
3590
3591static int has_required_arg(char *script_path)
3592{
3593 struct script_desc *desc;
3594 int n_args = 0;
3595 char *p;
3596
3597 desc = script_desc__new(NULL);
3598
3599 if (read_script_info(desc, script_path))
3600 goto out;
3601
3602 if (!desc->args)
3603 goto out;
3604
3605 for (p = desc->args; *p; p++)
3606 if (*p == '<')
3607 n_args++;
3608out:
3609 script_desc__delete(desc);
3610
3611 return n_args;
3612}
3613
3614static int have_cmd(int argc, const char **argv)
3615{
3616 char **__argv = malloc(sizeof(const char *) * argc);
3617
3618 if (!__argv) {
3619 pr_err("malloc failed\n");
3620 return -1;
3621 }
3622
3623 memcpy(__argv, argv, sizeof(const char *) * argc);
3624 argc = parse_options(argc, (const char **)__argv, record_options,
3625 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3626 free(__argv);
3627
3628 system_wide = (argc == 0);
3629
3630 return 0;
3631}
3632
3633static void script__setup_sample_type(struct perf_script *script)
3634{
3635 struct perf_session *session = script->session;
3636 u64 sample_type = evlist__combined_sample_type(session->evlist);
3637
3638 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3639
3640 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3641 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3642 "Please apply --call-graph lbr when recording.\n");
3643 script->stitch_lbr = false;
3644 }
3645}
3646
3647static int process_stat_round_event(struct perf_session *session,
3648 union perf_event *event)
3649{
3650 struct perf_record_stat_round *round = &event->stat_round;
3651 struct evsel *counter;
3652
3653 evlist__for_each_entry(session->evlist, counter) {
3654 perf_stat_process_counter(&stat_config, counter);
3655 process_stat(counter, round->time);
3656 }
3657
3658 process_stat_interval(round->time);
3659 return 0;
3660}
3661
3662static int process_stat_config_event(struct perf_session *session __maybe_unused,
3663 union perf_event *event)
3664{
3665 perf_event__read_stat_config(&stat_config, &event->stat_config);
3666
3667 /*
3668 * Aggregation modes are not used since post-processing scripts are
3669 * supposed to take care of such requirements
3670 */
3671 stat_config.aggr_mode = AGGR_NONE;
3672
3673 return 0;
3674}
3675
3676static int set_maps(struct perf_script *script)
3677{
3678 struct evlist *evlist = script->session->evlist;
3679
3680 if (!script->cpus || !script->threads)
3681 return 0;
3682
3683 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3684 return -EINVAL;
3685
3686 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3687
3688 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3689 return -ENOMEM;
3690
3691 script->allocated = true;
3692 return 0;
3693}
3694
3695static
3696int process_thread_map_event(struct perf_session *session,
3697 union perf_event *event)
3698{
3699 struct perf_tool *tool = session->tool;
3700 struct perf_script *script = container_of(tool, struct perf_script, tool);
3701
3702 if (dump_trace)
3703 perf_event__fprintf_thread_map(event, stdout);
3704
3705 if (script->threads) {
3706 pr_warning("Extra thread map event, ignoring.\n");
3707 return 0;
3708 }
3709
3710 script->threads = thread_map__new_event(&event->thread_map);
3711 if (!script->threads)
3712 return -ENOMEM;
3713
3714 return set_maps(script);
3715}
3716
3717static
3718int process_cpu_map_event(struct perf_session *session,
3719 union perf_event *event)
3720{
3721 struct perf_tool *tool = session->tool;
3722 struct perf_script *script = container_of(tool, struct perf_script, tool);
3723
3724 if (dump_trace)
3725 perf_event__fprintf_cpu_map(event, stdout);
3726
3727 if (script->cpus) {
3728 pr_warning("Extra cpu map event, ignoring.\n");
3729 return 0;
3730 }
3731
3732 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3733 if (!script->cpus)
3734 return -ENOMEM;
3735
3736 return set_maps(script);
3737}
3738
3739static int process_feature_event(struct perf_session *session,
3740 union perf_event *event)
3741{
3742 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3743 return perf_event__process_feature(session, event);
3744 return 0;
3745}
3746
3747#ifdef HAVE_AUXTRACE_SUPPORT
3748static int perf_script__process_auxtrace_info(struct perf_session *session,
3749 union perf_event *event)
3750{
3751 struct perf_tool *tool = session->tool;
3752
3753 int ret = perf_event__process_auxtrace_info(session, event);
3754
3755 if (ret == 0) {
3756 struct perf_script *script = container_of(tool, struct perf_script, tool);
3757
3758 ret = perf_script__setup_per_event_dump(script);
3759 }
3760
3761 return ret;
3762}
3763#else
3764#define perf_script__process_auxtrace_info 0
3765#endif
3766
3767static int parse_insn_trace(const struct option *opt __maybe_unused,
3768 const char *str __maybe_unused,
3769 int unset __maybe_unused)
3770{
3771 parse_output_fields(NULL, "+insn,-event,-period", 0);
3772 itrace_parse_synth_opts(opt, "i0ns", 0);
3773 symbol_conf.nanosecs = true;
3774 return 0;
3775}
3776
3777static int parse_xed(const struct option *opt __maybe_unused,
3778 const char *str __maybe_unused,
3779 int unset __maybe_unused)
3780{
3781 if (isatty(1))
3782 force_pager("xed -F insn: -A -64 | less");
3783 else
3784 force_pager("xed -F insn: -A -64");
3785 return 0;
3786}
3787
3788static int parse_call_trace(const struct option *opt __maybe_unused,
3789 const char *str __maybe_unused,
3790 int unset __maybe_unused)
3791{
3792 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3793 itrace_parse_synth_opts(opt, "cewp", 0);
3794 symbol_conf.nanosecs = true;
3795 symbol_conf.pad_output_len_dso = 50;
3796 return 0;
3797}
3798
3799static int parse_callret_trace(const struct option *opt __maybe_unused,
3800 const char *str __maybe_unused,
3801 int unset __maybe_unused)
3802{
3803 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3804 itrace_parse_synth_opts(opt, "crewp", 0);
3805 symbol_conf.nanosecs = true;
3806 return 0;
3807}
3808
3809int cmd_script(int argc, const char **argv)
3810{
3811 bool show_full_info = false;
3812 bool header = false;
3813 bool header_only = false;
3814 bool script_started = false;
3815 bool unsorted_dump = false;
3816 char *rec_script_path = NULL;
3817 char *rep_script_path = NULL;
3818 struct perf_session *session;
3819 struct itrace_synth_opts itrace_synth_opts = {
3820 .set = false,
3821 .default_no_sample = true,
3822 };
3823 struct utsname uts;
3824 char *script_path = NULL;
3825 const char *dlfilter_file = NULL;
3826 const char **__argv;
3827 int i, j, err = 0;
3828 struct perf_script script = {
3829 .tool = {
3830 .sample = process_sample_event,
3831 .mmap = perf_event__process_mmap,
3832 .mmap2 = perf_event__process_mmap2,
3833 .comm = perf_event__process_comm,
3834 .namespaces = perf_event__process_namespaces,
3835 .cgroup = perf_event__process_cgroup,
3836 .exit = perf_event__process_exit,
3837 .fork = perf_event__process_fork,
3838 .attr = process_attr,
3839 .event_update = perf_event__process_event_update,
3840#ifdef HAVE_LIBTRACEEVENT
3841 .tracing_data = perf_event__process_tracing_data,
3842#endif
3843 .feature = process_feature_event,
3844 .build_id = perf_event__process_build_id,
3845 .id_index = perf_event__process_id_index,
3846 .auxtrace_info = perf_script__process_auxtrace_info,
3847 .auxtrace = perf_event__process_auxtrace,
3848 .auxtrace_error = perf_event__process_auxtrace_error,
3849 .stat = perf_event__process_stat_event,
3850 .stat_round = process_stat_round_event,
3851 .stat_config = process_stat_config_event,
3852 .thread_map = process_thread_map_event,
3853 .cpu_map = process_cpu_map_event,
3854 .throttle = process_throttle_event,
3855 .unthrottle = process_throttle_event,
3856 .ordered_events = true,
3857 .ordering_requires_timestamps = true,
3858 },
3859 };
3860 struct perf_data data = {
3861 .mode = PERF_DATA_MODE_READ,
3862 };
3863 const struct option options[] = {
3864 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3865 "dump raw trace in ASCII"),
3866 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3867 "dump unsorted raw trace in ASCII"),
3868 OPT_INCR('v', "verbose", &verbose,
3869 "be more verbose (show symbol address, etc)"),
3870 OPT_BOOLEAN('L', "Latency", &latency_format,
3871 "show latency attributes (irqs/preemption disabled, etc)"),
3872 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3873 list_available_scripts),
3874 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3875 list_available_dlfilters),
3876 OPT_CALLBACK('s', "script", NULL, "name",
3877 "script file name (lang:script name, script name, or *)",
3878 parse_scriptname),
3879 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3880 "generate perf-script.xx script in specified language"),
3881 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3882 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3883 add_dlarg),
3884 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3885 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3886 "do various checks like samples ordering and lost events"),
3887 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3888 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3889 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3890 "file", "vmlinux pathname"),
3891 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3892 "file", "kallsyms pathname"),
3893 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3894 "When printing symbols do not display call chain"),
3895 OPT_CALLBACK(0, "symfs", NULL, "directory",
3896 "Look for files with symbols relative to this directory",
3897 symbol__config_symfs),
3898 OPT_CALLBACK('F', "fields", NULL, "str",
3899 "comma separated output fields prepend with 'type:'. "
3900 "+field to add and -field to remove."
3901 "Valid types: hw,sw,trace,raw,synth. "
3902 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
3903 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3904 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3905 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth,"
3906 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3907 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
3908 parse_output_fields),
3909 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3910 "system-wide collection from all CPUs"),
3911 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3912 "only consider symbols in these DSOs"),
3913 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3914 "only consider these symbols"),
3915 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3916 "Use with -S to list traced records within address range"),
3917 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3918 "Decode instructions from itrace", parse_insn_trace),
3919 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3920 "Run xed disassembler on output", parse_xed),
3921 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3922 "Decode calls from itrace", parse_call_trace),
3923 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3924 "Decode calls and returns from itrace", parse_callret_trace),
3925 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3926 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3927 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3928 "Stop display of callgraph at these symbols"),
3929 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3930 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3931 "only display events for these comms"),
3932 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3933 "only consider symbols in these pids"),
3934 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3935 "only consider symbols in these tids"),
3936 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3937 "Set the maximum stack depth when parsing the callchain, "
3938 "anything beyond the specified depth will be ignored. "
3939 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3940 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3941 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3942 OPT_BOOLEAN('I', "show-info", &show_full_info,
3943 "display extended information from perf.data file"),
3944 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3945 "Show the path of [kernel.kallsyms]"),
3946 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3947 "Show the fork/comm/exit events"),
3948 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3949 "Show the mmap events"),
3950 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3951 "Show context switch events (if recorded)"),
3952 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3953 "Show namespace events (if recorded)"),
3954 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3955 "Show cgroup events (if recorded)"),
3956 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3957 "Show lost events (if recorded)"),
3958 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3959 "Show round events (if recorded)"),
3960 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3961 "Show bpf related events (if recorded)"),
3962 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3963 "Show text poke related events (if recorded)"),
3964 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3965 "Dump trace output to files named by the monitored events"),
3966 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3967 OPT_INTEGER(0, "max-blocks", &max_blocks,
3968 "Maximum number of code blocks to dump with brstackinsn"),
3969 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3970 "Use 9 decimal places when displaying time"),
3971 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3972 "Instruction Tracing options\n" ITRACE_HELP,
3973 itrace_parse_synth_opts),
3974 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3975 "Show full source file name path for source lines"),
3976 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3977 "Enable symbol demangling"),
3978 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3979 "Enable kernel symbol demangling"),
3980 OPT_STRING(0, "time", &script.time_str, "str",
3981 "Time span of interest (start,stop)"),
3982 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3983 "Show inline function"),
3984 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3985 "guest mount directory under which every guest os"
3986 " instance has a subdir"),
3987 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3988 "file", "file saving guest os vmlinux"),
3989 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3990 "file", "file saving guest os /proc/kallsyms"),
3991 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3992 "file", "file saving guest os /proc/modules"),
3993 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
3994 "Guest code can be found in hypervisor process"),
3995 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3996 "Enable LBR callgraph stitching approach"),
3997 OPTS_EVSWITCH(&script.evswitch),
3998 OPT_END()
3999 };
4000 const char * const script_subcommands[] = { "record", "report", NULL };
4001 const char *script_usage[] = {
4002 "perf script [<options>]",
4003 "perf script [<options>] record <script> [<record-options>] <command>",
4004 "perf script [<options>] report <script> [script-args]",
4005 "perf script [<options>] <script> [<record-options>] <command>",
4006 "perf script [<options>] <top-script> [script-args]",
4007 NULL
4008 };
4009
4010 perf_set_singlethreaded();
4011
4012 setup_scripting();
4013
4014 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4015 PARSE_OPT_STOP_AT_NON_OPTION);
4016
4017 if (symbol_conf.guestmount ||
4018 symbol_conf.default_guest_vmlinux_name ||
4019 symbol_conf.default_guest_kallsyms ||
4020 symbol_conf.default_guest_modules ||
4021 symbol_conf.guest_code) {
4022 /*
4023 * Enable guest sample processing.
4024 */
4025 perf_guest = true;
4026 }
4027
4028 data.path = input_name;
4029 data.force = symbol_conf.force;
4030
4031 if (unsorted_dump) {
4032 dump_trace = true;
4033 script.tool.ordered_events = false;
4034 }
4035
4036 if (symbol__validate_sym_arguments())
4037 return -1;
4038
4039 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4040 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4041 if (!rec_script_path)
4042 return cmd_record(argc, argv);
4043 }
4044
4045 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4046 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4047 if (!rep_script_path) {
4048 fprintf(stderr,
4049 "Please specify a valid report script"
4050 "(see 'perf script -l' for listing)\n");
4051 return -1;
4052 }
4053 }
4054
4055 if (reltime && deltatime) {
4056 fprintf(stderr,
4057 "reltime and deltatime - the two don't get along well. "
4058 "Please limit to --reltime or --deltatime.\n");
4059 return -1;
4060 }
4061
4062 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4063 itrace_synth_opts.callchain_sz > scripting_max_stack)
4064 scripting_max_stack = itrace_synth_opts.callchain_sz;
4065
4066 /* make sure PERF_EXEC_PATH is set for scripts */
4067 set_argv_exec_path(get_argv_exec_path());
4068
4069 if (argc && !script_name && !rec_script_path && !rep_script_path) {
4070 int live_pipe[2];
4071 int rep_args;
4072 pid_t pid;
4073
4074 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4075 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4076
4077 if (!rec_script_path && !rep_script_path) {
4078 script_name = find_script(argv[0]);
4079 if (script_name) {
4080 argc -= 1;
4081 argv += 1;
4082 goto script_found;
4083 }
4084 usage_with_options_msg(script_usage, options,
4085 "Couldn't find script `%s'\n\n See perf"
4086 " script -l for available scripts.\n", argv[0]);
4087 }
4088
4089 if (is_top_script(argv[0])) {
4090 rep_args = argc - 1;
4091 } else {
4092 int rec_args;
4093
4094 rep_args = has_required_arg(rep_script_path);
4095 rec_args = (argc - 1) - rep_args;
4096 if (rec_args < 0) {
4097 usage_with_options_msg(script_usage, options,
4098 "`%s' script requires options."
4099 "\n\n See perf script -l for available "
4100 "scripts and options.\n", argv[0]);
4101 }
4102 }
4103
4104 if (pipe(live_pipe) < 0) {
4105 perror("failed to create pipe");
4106 return -1;
4107 }
4108
4109 pid = fork();
4110 if (pid < 0) {
4111 perror("failed to fork");
4112 return -1;
4113 }
4114
4115 if (!pid) {
4116 j = 0;
4117
4118 dup2(live_pipe[1], 1);
4119 close(live_pipe[0]);
4120
4121 if (is_top_script(argv[0])) {
4122 system_wide = true;
4123 } else if (!system_wide) {
4124 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4125 err = -1;
4126 goto out;
4127 }
4128 }
4129
4130 __argv = malloc((argc + 6) * sizeof(const char *));
4131 if (!__argv) {
4132 pr_err("malloc failed\n");
4133 err = -ENOMEM;
4134 goto out;
4135 }
4136
4137 __argv[j++] = "/bin/sh";
4138 __argv[j++] = rec_script_path;
4139 if (system_wide)
4140 __argv[j++] = "-a";
4141 __argv[j++] = "-q";
4142 __argv[j++] = "-o";
4143 __argv[j++] = "-";
4144 for (i = rep_args + 1; i < argc; i++)
4145 __argv[j++] = argv[i];
4146 __argv[j++] = NULL;
4147
4148 execvp("/bin/sh", (char **)__argv);
4149 free(__argv);
4150 exit(-1);
4151 }
4152
4153 dup2(live_pipe[0], 0);
4154 close(live_pipe[1]);
4155
4156 __argv = malloc((argc + 4) * sizeof(const char *));
4157 if (!__argv) {
4158 pr_err("malloc failed\n");
4159 err = -ENOMEM;
4160 goto out;
4161 }
4162
4163 j = 0;
4164 __argv[j++] = "/bin/sh";
4165 __argv[j++] = rep_script_path;
4166 for (i = 1; i < rep_args + 1; i++)
4167 __argv[j++] = argv[i];
4168 __argv[j++] = "-i";
4169 __argv[j++] = "-";
4170 __argv[j++] = NULL;
4171
4172 execvp("/bin/sh", (char **)__argv);
4173 free(__argv);
4174 exit(-1);
4175 }
4176script_found:
4177 if (rec_script_path)
4178 script_path = rec_script_path;
4179 if (rep_script_path)
4180 script_path = rep_script_path;
4181
4182 if (script_path) {
4183 j = 0;
4184
4185 if (!rec_script_path)
4186 system_wide = false;
4187 else if (!system_wide) {
4188 if (have_cmd(argc - 1, &argv[1]) != 0) {
4189 err = -1;
4190 goto out;
4191 }
4192 }
4193
4194 __argv = malloc((argc + 2) * sizeof(const char *));
4195 if (!__argv) {
4196 pr_err("malloc failed\n");
4197 err = -ENOMEM;
4198 goto out;
4199 }
4200
4201 __argv[j++] = "/bin/sh";
4202 __argv[j++] = script_path;
4203 if (system_wide)
4204 __argv[j++] = "-a";
4205 for (i = 2; i < argc; i++)
4206 __argv[j++] = argv[i];
4207 __argv[j++] = NULL;
4208
4209 execvp("/bin/sh", (char **)__argv);
4210 free(__argv);
4211 exit(-1);
4212 }
4213
4214 if (dlfilter_file) {
4215 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4216 if (!dlfilter)
4217 return -1;
4218 }
4219
4220 if (!script_name) {
4221 setup_pager();
4222 use_browser = 0;
4223 }
4224
4225 session = perf_session__new(&data, &script.tool);
4226 if (IS_ERR(session))
4227 return PTR_ERR(session);
4228
4229 if (header || header_only) {
4230 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4231 perf_session__fprintf_info(session, stdout, show_full_info);
4232 if (header_only)
4233 goto out_delete;
4234 }
4235 if (show_full_info)
4236 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4237
4238 if (symbol__init(&session->header.env) < 0)
4239 goto out_delete;
4240
4241 uname(&uts);
4242 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4243 native_arch = true;
4244 } else if (session->header.env.arch) {
4245 if (!strcmp(uts.machine, session->header.env.arch))
4246 native_arch = true;
4247 else if (!strcmp(uts.machine, "x86_64") &&
4248 !strcmp(session->header.env.arch, "i386"))
4249 native_arch = true;
4250 }
4251
4252 script.session = session;
4253 script__setup_sample_type(&script);
4254
4255 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4256 symbol_conf.graph_function)
4257 itrace_synth_opts.thread_stack = true;
4258
4259 session->itrace_synth_opts = &itrace_synth_opts;
4260
4261 if (cpu_list) {
4262 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4263 if (err < 0)
4264 goto out_delete;
4265 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4266 }
4267
4268 if (!no_callchain)
4269 symbol_conf.use_callchain = true;
4270 else
4271 symbol_conf.use_callchain = false;
4272
4273#ifdef HAVE_LIBTRACEEVENT
4274 if (session->tevent.pevent &&
4275 tep_set_function_resolver(session->tevent.pevent,
4276 machine__resolve_kernel_addr,
4277 &session->machines.host) < 0) {
4278 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4279 err = -1;
4280 goto out_delete;
4281 }
4282#endif
4283 if (generate_script_lang) {
4284 struct stat perf_stat;
4285 int input;
4286
4287 if (output_set_by_user()) {
4288 fprintf(stderr,
4289 "custom fields not supported for generated scripts");
4290 err = -EINVAL;
4291 goto out_delete;
4292 }
4293
4294 input = open(data.path, O_RDONLY); /* input_name */
4295 if (input < 0) {
4296 err = -errno;
4297 perror("failed to open file");
4298 goto out_delete;
4299 }
4300
4301 err = fstat(input, &perf_stat);
4302 if (err < 0) {
4303 perror("failed to stat file");
4304 goto out_delete;
4305 }
4306
4307 if (!perf_stat.st_size) {
4308 fprintf(stderr, "zero-sized file, nothing to do!\n");
4309 goto out_delete;
4310 }
4311
4312 scripting_ops = script_spec__lookup(generate_script_lang);
4313 if (!scripting_ops) {
4314 fprintf(stderr, "invalid language specifier");
4315 err = -ENOENT;
4316 goto out_delete;
4317 }
4318#ifdef HAVE_LIBTRACEEVENT
4319 err = scripting_ops->generate_script(session->tevent.pevent,
4320 "perf-script");
4321#else
4322 err = scripting_ops->generate_script(NULL, "perf-script");
4323#endif
4324 goto out_delete;
4325 }
4326
4327 err = dlfilter__start(dlfilter, session);
4328 if (err)
4329 goto out_delete;
4330
4331 if (script_name) {
4332 err = scripting_ops->start_script(script_name, argc, argv, session);
4333 if (err)
4334 goto out_delete;
4335 pr_debug("perf script started with script %s\n\n", script_name);
4336 script_started = true;
4337 }
4338
4339
4340 err = perf_session__check_output_opt(session);
4341 if (err < 0)
4342 goto out_delete;
4343
4344 if (script.time_str) {
4345 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4346 &script.ptime_range,
4347 &script.range_size,
4348 &script.range_num,
4349 reltime);
4350 if (err < 0)
4351 goto out_delete;
4352
4353 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4354 script.ptime_range,
4355 script.range_num);
4356 }
4357
4358 err = evswitch__init(&script.evswitch, session->evlist, stderr);
4359 if (err)
4360 goto out_delete;
4361
4362 if (zstd_init(&(session->zstd_data), 0) < 0)
4363 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4364
4365 err = __cmd_script(&script);
4366
4367 flush_scripting();
4368
4369out_delete:
4370 if (script.ptime_range) {
4371 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4372 zfree(&script.ptime_range);
4373 }
4374
4375 zstd_fini(&(session->zstd_data));
4376 evlist__free_stats(session->evlist);
4377 perf_session__delete(session);
4378 perf_script__exit(&script);
4379
4380 if (script_started)
4381 cleanup_scripting();
4382 dlfilter__cleanup(dlfilter);
4383 free_dlarg();
4384out:
4385 return err;
4386}
1// SPDX-License-Identifier: GPL-2.0
2#include "builtin.h"
3
4#include "perf.h"
5#include "util/cache.h"
6#include "util/debug.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/symbol.h"
14#include "util/thread.h"
15#include "util/trace-event.h"
16#include "util/util.h"
17#include "util/evlist.h"
18#include "util/evsel.h"
19#include "util/sort.h"
20#include "util/data.h"
21#include "util/auxtrace.h"
22#include "util/cpumap.h"
23#include "util/thread_map.h"
24#include "util/stat.h"
25#include "util/color.h"
26#include "util/string2.h"
27#include "util/thread-stack.h"
28#include "util/time-utils.h"
29#include "util/path.h"
30#include "print_binary.h"
31#include <linux/bitmap.h>
32#include <linux/kernel.h>
33#include <linux/stringify.h>
34#include <linux/time64.h>
35#include "asm/bug.h"
36#include "util/mem-events.h"
37#include "util/dump-insn.h"
38#include <dirent.h>
39#include <errno.h>
40#include <inttypes.h>
41#include <signal.h>
42#include <sys/param.h>
43#include <sys/types.h>
44#include <sys/stat.h>
45#include <fcntl.h>
46#include <unistd.h>
47
48#include "sane_ctype.h"
49
50static char const *script_name;
51static char const *generate_script_lang;
52static bool debug_mode;
53static u64 last_timestamp;
54static u64 nr_unordered;
55static bool no_callchain;
56static bool latency_format;
57static bool system_wide;
58static bool print_flags;
59static bool nanosecs;
60static const char *cpu_list;
61static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
62static struct perf_stat_config stat_config;
63static int max_blocks;
64
65unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
66
67enum perf_output_field {
68 PERF_OUTPUT_COMM = 1U << 0,
69 PERF_OUTPUT_TID = 1U << 1,
70 PERF_OUTPUT_PID = 1U << 2,
71 PERF_OUTPUT_TIME = 1U << 3,
72 PERF_OUTPUT_CPU = 1U << 4,
73 PERF_OUTPUT_EVNAME = 1U << 5,
74 PERF_OUTPUT_TRACE = 1U << 6,
75 PERF_OUTPUT_IP = 1U << 7,
76 PERF_OUTPUT_SYM = 1U << 8,
77 PERF_OUTPUT_DSO = 1U << 9,
78 PERF_OUTPUT_ADDR = 1U << 10,
79 PERF_OUTPUT_SYMOFFSET = 1U << 11,
80 PERF_OUTPUT_SRCLINE = 1U << 12,
81 PERF_OUTPUT_PERIOD = 1U << 13,
82 PERF_OUTPUT_IREGS = 1U << 14,
83 PERF_OUTPUT_BRSTACK = 1U << 15,
84 PERF_OUTPUT_BRSTACKSYM = 1U << 16,
85 PERF_OUTPUT_DATA_SRC = 1U << 17,
86 PERF_OUTPUT_WEIGHT = 1U << 18,
87 PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
88 PERF_OUTPUT_CALLINDENT = 1U << 20,
89 PERF_OUTPUT_INSN = 1U << 21,
90 PERF_OUTPUT_INSNLEN = 1U << 22,
91 PERF_OUTPUT_BRSTACKINSN = 1U << 23,
92 PERF_OUTPUT_BRSTACKOFF = 1U << 24,
93 PERF_OUTPUT_SYNTH = 1U << 25,
94 PERF_OUTPUT_PHYS_ADDR = 1U << 26,
95 PERF_OUTPUT_UREGS = 1U << 27,
96 PERF_OUTPUT_METRIC = 1U << 28,
97 PERF_OUTPUT_MISC = 1U << 29,
98};
99
100struct output_option {
101 const char *str;
102 enum perf_output_field field;
103} all_output_options[] = {
104 {.str = "comm", .field = PERF_OUTPUT_COMM},
105 {.str = "tid", .field = PERF_OUTPUT_TID},
106 {.str = "pid", .field = PERF_OUTPUT_PID},
107 {.str = "time", .field = PERF_OUTPUT_TIME},
108 {.str = "cpu", .field = PERF_OUTPUT_CPU},
109 {.str = "event", .field = PERF_OUTPUT_EVNAME},
110 {.str = "trace", .field = PERF_OUTPUT_TRACE},
111 {.str = "ip", .field = PERF_OUTPUT_IP},
112 {.str = "sym", .field = PERF_OUTPUT_SYM},
113 {.str = "dso", .field = PERF_OUTPUT_DSO},
114 {.str = "addr", .field = PERF_OUTPUT_ADDR},
115 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
116 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
117 {.str = "period", .field = PERF_OUTPUT_PERIOD},
118 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
119 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
120 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
121 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
122 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
123 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
124 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
125 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
126 {.str = "insn", .field = PERF_OUTPUT_INSN},
127 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
128 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
129 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
130 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
131 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
132 {.str = "metric", .field = PERF_OUTPUT_METRIC},
133 {.str = "misc", .field = PERF_OUTPUT_MISC},
134};
135
136enum {
137 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
138 OUTPUT_TYPE_MAX
139};
140
141/* default set to maintain compatibility with current format */
142static struct {
143 bool user_set;
144 bool wildcard_set;
145 unsigned int print_ip_opts;
146 u64 fields;
147 u64 invalid_fields;
148} output[OUTPUT_TYPE_MAX] = {
149
150 [PERF_TYPE_HARDWARE] = {
151 .user_set = false,
152
153 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
154 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
155 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
156 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
157 PERF_OUTPUT_PERIOD,
158
159 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
160 },
161
162 [PERF_TYPE_SOFTWARE] = {
163 .user_set = false,
164
165 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
166 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
167 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
168 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
169 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
170
171 .invalid_fields = PERF_OUTPUT_TRACE,
172 },
173
174 [PERF_TYPE_TRACEPOINT] = {
175 .user_set = false,
176
177 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
178 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
179 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
180 },
181
182 [PERF_TYPE_RAW] = {
183 .user_set = false,
184
185 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
186 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
187 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
188 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
189 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR |
190 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT |
191 PERF_OUTPUT_PHYS_ADDR,
192
193 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
194 },
195
196 [PERF_TYPE_BREAKPOINT] = {
197 .user_set = false,
198
199 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
200 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
201 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
202 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
203 PERF_OUTPUT_PERIOD,
204
205 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
206 },
207
208 [OUTPUT_TYPE_SYNTH] = {
209 .user_set = false,
210
211 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
212 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
213 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
214 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
215 PERF_OUTPUT_SYNTH,
216
217 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
218 },
219};
220
221struct perf_evsel_script {
222 char *filename;
223 FILE *fp;
224 u64 samples;
225 /* For metric output */
226 u64 val;
227 int gnum;
228};
229
230static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
231{
232 return (struct perf_evsel_script *)evsel->priv;
233}
234
235static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
236 struct perf_data *data)
237{
238 struct perf_evsel_script *es = zalloc(sizeof(*es));
239
240 if (es != NULL) {
241 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
242 goto out_free;
243 es->fp = fopen(es->filename, "w");
244 if (es->fp == NULL)
245 goto out_free_filename;
246 }
247
248 return es;
249out_free_filename:
250 zfree(&es->filename);
251out_free:
252 free(es);
253 return NULL;
254}
255
256static void perf_evsel_script__delete(struct perf_evsel_script *es)
257{
258 zfree(&es->filename);
259 fclose(es->fp);
260 es->fp = NULL;
261 free(es);
262}
263
264static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
265{
266 struct stat st;
267
268 fstat(fileno(es->fp), &st);
269 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
270 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
271}
272
273static inline int output_type(unsigned int type)
274{
275 switch (type) {
276 case PERF_TYPE_SYNTH:
277 return OUTPUT_TYPE_SYNTH;
278 default:
279 return type;
280 }
281}
282
283static inline unsigned int attr_type(unsigned int type)
284{
285 switch (type) {
286 case OUTPUT_TYPE_SYNTH:
287 return PERF_TYPE_SYNTH;
288 default:
289 return type;
290 }
291}
292
293static bool output_set_by_user(void)
294{
295 int j;
296 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
297 if (output[j].user_set)
298 return true;
299 }
300 return false;
301}
302
303static const char *output_field2str(enum perf_output_field field)
304{
305 int i, imax = ARRAY_SIZE(all_output_options);
306 const char *str = "";
307
308 for (i = 0; i < imax; ++i) {
309 if (all_output_options[i].field == field) {
310 str = all_output_options[i].str;
311 break;
312 }
313 }
314 return str;
315}
316
317#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
318
319static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
320 u64 sample_type, const char *sample_msg,
321 enum perf_output_field field,
322 bool allow_user_set)
323{
324 struct perf_event_attr *attr = &evsel->attr;
325 int type = output_type(attr->type);
326 const char *evname;
327
328 if (attr->sample_type & sample_type)
329 return 0;
330
331 if (output[type].user_set) {
332 if (allow_user_set)
333 return 0;
334 evname = perf_evsel__name(evsel);
335 pr_err("Samples for '%s' event do not have %s attribute set. "
336 "Cannot print '%s' field.\n",
337 evname, sample_msg, output_field2str(field));
338 return -1;
339 }
340
341 /* user did not ask for it explicitly so remove from the default list */
342 output[type].fields &= ~field;
343 evname = perf_evsel__name(evsel);
344 pr_debug("Samples for '%s' event do not have %s attribute set. "
345 "Skipping '%s' field.\n",
346 evname, sample_msg, output_field2str(field));
347
348 return 0;
349}
350
351static int perf_evsel__check_stype(struct perf_evsel *evsel,
352 u64 sample_type, const char *sample_msg,
353 enum perf_output_field field)
354{
355 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
356 false);
357}
358
359static int perf_evsel__check_attr(struct perf_evsel *evsel,
360 struct perf_session *session)
361{
362 struct perf_event_attr *attr = &evsel->attr;
363 bool allow_user_set;
364
365 if (perf_header__has_feat(&session->header, HEADER_STAT))
366 return 0;
367
368 allow_user_set = perf_header__has_feat(&session->header,
369 HEADER_AUXTRACE);
370
371 if (PRINT_FIELD(TRACE) &&
372 !perf_session__has_traces(session, "record -R"))
373 return -EINVAL;
374
375 if (PRINT_FIELD(IP)) {
376 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
377 PERF_OUTPUT_IP))
378 return -EINVAL;
379 }
380
381 if (PRINT_FIELD(ADDR) &&
382 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
383 PERF_OUTPUT_ADDR, allow_user_set))
384 return -EINVAL;
385
386 if (PRINT_FIELD(DATA_SRC) &&
387 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
388 PERF_OUTPUT_DATA_SRC))
389 return -EINVAL;
390
391 if (PRINT_FIELD(WEIGHT) &&
392 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
393 PERF_OUTPUT_WEIGHT))
394 return -EINVAL;
395
396 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
397 pr_err("Display of symbols requested but neither sample IP nor "
398 "sample address\nis selected. Hence, no addresses to convert "
399 "to symbols.\n");
400 return -EINVAL;
401 }
402 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
403 pr_err("Display of offsets requested but symbol is not"
404 "selected.\n");
405 return -EINVAL;
406 }
407 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
408 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
409 pr_err("Display of DSO requested but no address to convert. Select\n"
410 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
411 return -EINVAL;
412 }
413 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
414 pr_err("Display of source line number requested but sample IP is not\n"
415 "selected. Hence, no address to lookup the source line number.\n");
416 return -EINVAL;
417 }
418 if (PRINT_FIELD(BRSTACKINSN) &&
419 !(perf_evlist__combined_branch_type(session->evlist) &
420 PERF_SAMPLE_BRANCH_ANY)) {
421 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
422 "Hint: run 'perf record -b ...'\n");
423 return -EINVAL;
424 }
425 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
426 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
427 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
428 return -EINVAL;
429
430 if (PRINT_FIELD(TIME) &&
431 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
432 PERF_OUTPUT_TIME))
433 return -EINVAL;
434
435 if (PRINT_FIELD(CPU) &&
436 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
437 PERF_OUTPUT_CPU, allow_user_set))
438 return -EINVAL;
439
440 if (PRINT_FIELD(IREGS) &&
441 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
442 PERF_OUTPUT_IREGS))
443 return -EINVAL;
444
445 if (PRINT_FIELD(UREGS) &&
446 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
447 PERF_OUTPUT_UREGS))
448 return -EINVAL;
449
450 if (PRINT_FIELD(PHYS_ADDR) &&
451 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
452 PERF_OUTPUT_PHYS_ADDR))
453 return -EINVAL;
454
455 return 0;
456}
457
458static void set_print_ip_opts(struct perf_event_attr *attr)
459{
460 unsigned int type = output_type(attr->type);
461
462 output[type].print_ip_opts = 0;
463 if (PRINT_FIELD(IP))
464 output[type].print_ip_opts |= EVSEL__PRINT_IP;
465
466 if (PRINT_FIELD(SYM))
467 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
468
469 if (PRINT_FIELD(DSO))
470 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
471
472 if (PRINT_FIELD(SYMOFFSET))
473 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
474
475 if (PRINT_FIELD(SRCLINE))
476 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
477}
478
479/*
480 * verify all user requested events exist and the samples
481 * have the expected data
482 */
483static int perf_session__check_output_opt(struct perf_session *session)
484{
485 unsigned int j;
486 struct perf_evsel *evsel;
487
488 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
489 evsel = perf_session__find_first_evtype(session, attr_type(j));
490
491 /*
492 * even if fields is set to 0 (ie., show nothing) event must
493 * exist if user explicitly includes it on the command line
494 */
495 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
496 j != OUTPUT_TYPE_SYNTH) {
497 pr_err("%s events do not exist. "
498 "Remove corresponding -F option to proceed.\n",
499 event_type(j));
500 return -1;
501 }
502
503 if (evsel && output[j].fields &&
504 perf_evsel__check_attr(evsel, session))
505 return -1;
506
507 if (evsel == NULL)
508 continue;
509
510 set_print_ip_opts(&evsel->attr);
511 }
512
513 if (!no_callchain) {
514 bool use_callchain = false;
515 bool not_pipe = false;
516
517 evlist__for_each_entry(session->evlist, evsel) {
518 not_pipe = true;
519 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
520 use_callchain = true;
521 break;
522 }
523 }
524 if (not_pipe && !use_callchain)
525 symbol_conf.use_callchain = false;
526 }
527
528 /*
529 * set default for tracepoints to print symbols only
530 * if callchains are present
531 */
532 if (symbol_conf.use_callchain &&
533 !output[PERF_TYPE_TRACEPOINT].user_set) {
534 struct perf_event_attr *attr;
535
536 j = PERF_TYPE_TRACEPOINT;
537
538 evlist__for_each_entry(session->evlist, evsel) {
539 if (evsel->attr.type != j)
540 continue;
541
542 attr = &evsel->attr;
543
544 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
545 output[j].fields |= PERF_OUTPUT_IP;
546 output[j].fields |= PERF_OUTPUT_SYM;
547 output[j].fields |= PERF_OUTPUT_DSO;
548 set_print_ip_opts(attr);
549 goto out;
550 }
551 }
552 }
553
554out:
555 return 0;
556}
557
558static int perf_sample__fprintf_iregs(struct perf_sample *sample,
559 struct perf_event_attr *attr, FILE *fp)
560{
561 struct regs_dump *regs = &sample->intr_regs;
562 uint64_t mask = attr->sample_regs_intr;
563 unsigned i = 0, r;
564 int printed = 0;
565
566 if (!regs)
567 return 0;
568
569 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
570 u64 val = regs->regs[i++];
571 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
572 }
573
574 return printed;
575}
576
577static int perf_sample__fprintf_uregs(struct perf_sample *sample,
578 struct perf_event_attr *attr, FILE *fp)
579{
580 struct regs_dump *regs = &sample->user_regs;
581 uint64_t mask = attr->sample_regs_user;
582 unsigned i = 0, r;
583 int printed = 0;
584
585 if (!regs || !regs->regs)
586 return 0;
587
588 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
589
590 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
591 u64 val = regs->regs[i++];
592 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
593 }
594
595 return printed;
596}
597
598static int perf_sample__fprintf_start(struct perf_sample *sample,
599 struct thread *thread,
600 struct perf_evsel *evsel,
601 u32 type, FILE *fp)
602{
603 struct perf_event_attr *attr = &evsel->attr;
604 unsigned long secs;
605 unsigned long long nsecs;
606 int printed = 0;
607
608 if (PRINT_FIELD(COMM)) {
609 if (latency_format)
610 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
611 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
612 printed += fprintf(fp, "%s ", thread__comm_str(thread));
613 else
614 printed += fprintf(fp, "%16s ", thread__comm_str(thread));
615 }
616
617 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
618 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
619 else if (PRINT_FIELD(PID))
620 printed += fprintf(fp, "%5d ", sample->pid);
621 else if (PRINT_FIELD(TID))
622 printed += fprintf(fp, "%5d ", sample->tid);
623
624 if (PRINT_FIELD(CPU)) {
625 if (latency_format)
626 printed += fprintf(fp, "%3d ", sample->cpu);
627 else
628 printed += fprintf(fp, "[%03d] ", sample->cpu);
629 }
630
631 if (PRINT_FIELD(MISC)) {
632 int ret = 0;
633
634 #define has(m) \
635 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
636
637 if (has(KERNEL))
638 ret += fprintf(fp, "K");
639 if (has(USER))
640 ret += fprintf(fp, "U");
641 if (has(HYPERVISOR))
642 ret += fprintf(fp, "H");
643 if (has(GUEST_KERNEL))
644 ret += fprintf(fp, "G");
645 if (has(GUEST_USER))
646 ret += fprintf(fp, "g");
647
648 switch (type) {
649 case PERF_RECORD_MMAP:
650 case PERF_RECORD_MMAP2:
651 if (has(MMAP_DATA))
652 ret += fprintf(fp, "M");
653 break;
654 case PERF_RECORD_COMM:
655 if (has(COMM_EXEC))
656 ret += fprintf(fp, "E");
657 break;
658 case PERF_RECORD_SWITCH:
659 case PERF_RECORD_SWITCH_CPU_WIDE:
660 if (has(SWITCH_OUT)) {
661 ret += fprintf(fp, "S");
662 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
663 ret += fprintf(fp, "p");
664 }
665 default:
666 break;
667 }
668
669 #undef has
670
671 ret += fprintf(fp, "%*s", 6 - ret, " ");
672 printed += ret;
673 }
674
675 if (PRINT_FIELD(TIME)) {
676 nsecs = sample->time;
677 secs = nsecs / NSEC_PER_SEC;
678 nsecs -= secs * NSEC_PER_SEC;
679
680 if (nanosecs)
681 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
682 else {
683 char sample_time[32];
684 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
685 printed += fprintf(fp, "%12s: ", sample_time);
686 }
687 }
688
689 return printed;
690}
691
692static inline char
693mispred_str(struct branch_entry *br)
694{
695 if (!(br->flags.mispred || br->flags.predicted))
696 return '-';
697
698 return br->flags.predicted ? 'P' : 'M';
699}
700
701static int perf_sample__fprintf_brstack(struct perf_sample *sample,
702 struct thread *thread,
703 struct perf_event_attr *attr, FILE *fp)
704{
705 struct branch_stack *br = sample->branch_stack;
706 struct addr_location alf, alt;
707 u64 i, from, to;
708 int printed = 0;
709
710 if (!(br && br->nr))
711 return 0;
712
713 for (i = 0; i < br->nr; i++) {
714 from = br->entries[i].from;
715 to = br->entries[i].to;
716
717 if (PRINT_FIELD(DSO)) {
718 memset(&alf, 0, sizeof(alf));
719 memset(&alt, 0, sizeof(alt));
720 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
721 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
722 }
723
724 printed += fprintf(fp, " 0x%"PRIx64, from);
725 if (PRINT_FIELD(DSO)) {
726 printed += fprintf(fp, "(");
727 printed += map__fprintf_dsoname(alf.map, fp);
728 printed += fprintf(fp, ")");
729 }
730
731 printed += fprintf(fp, "/0x%"PRIx64, to);
732 if (PRINT_FIELD(DSO)) {
733 printed += fprintf(fp, "(");
734 printed += map__fprintf_dsoname(alt.map, fp);
735 printed += fprintf(fp, ")");
736 }
737
738 printed += fprintf(fp, "/%c/%c/%c/%d ",
739 mispred_str( br->entries + i),
740 br->entries[i].flags.in_tx? 'X' : '-',
741 br->entries[i].flags.abort? 'A' : '-',
742 br->entries[i].flags.cycles);
743 }
744
745 return printed;
746}
747
748static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
749 struct thread *thread,
750 struct perf_event_attr *attr, FILE *fp)
751{
752 struct branch_stack *br = sample->branch_stack;
753 struct addr_location alf, alt;
754 u64 i, from, to;
755 int printed = 0;
756
757 if (!(br && br->nr))
758 return 0;
759
760 for (i = 0; i < br->nr; i++) {
761
762 memset(&alf, 0, sizeof(alf));
763 memset(&alt, 0, sizeof(alt));
764 from = br->entries[i].from;
765 to = br->entries[i].to;
766
767 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
768 if (alf.map)
769 alf.sym = map__find_symbol(alf.map, alf.addr);
770
771 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
772 if (alt.map)
773 alt.sym = map__find_symbol(alt.map, alt.addr);
774
775 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
776 if (PRINT_FIELD(DSO)) {
777 printed += fprintf(fp, "(");
778 printed += map__fprintf_dsoname(alf.map, fp);
779 printed += fprintf(fp, ")");
780 }
781 printed += fprintf(fp, "%c", '/');
782 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
783 if (PRINT_FIELD(DSO)) {
784 printed += fprintf(fp, "(");
785 printed += map__fprintf_dsoname(alt.map, fp);
786 printed += fprintf(fp, ")");
787 }
788 printed += fprintf(fp, "/%c/%c/%c/%d ",
789 mispred_str( br->entries + i),
790 br->entries[i].flags.in_tx? 'X' : '-',
791 br->entries[i].flags.abort? 'A' : '-',
792 br->entries[i].flags.cycles);
793 }
794
795 return printed;
796}
797
798static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
799 struct thread *thread,
800 struct perf_event_attr *attr, FILE *fp)
801{
802 struct branch_stack *br = sample->branch_stack;
803 struct addr_location alf, alt;
804 u64 i, from, to;
805 int printed = 0;
806
807 if (!(br && br->nr))
808 return 0;
809
810 for (i = 0; i < br->nr; i++) {
811
812 memset(&alf, 0, sizeof(alf));
813 memset(&alt, 0, sizeof(alt));
814 from = br->entries[i].from;
815 to = br->entries[i].to;
816
817 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
818 if (alf.map && !alf.map->dso->adjust_symbols)
819 from = map__map_ip(alf.map, from);
820
821 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
822 if (alt.map && !alt.map->dso->adjust_symbols)
823 to = map__map_ip(alt.map, to);
824
825 printed += fprintf(fp, " 0x%"PRIx64, from);
826 if (PRINT_FIELD(DSO)) {
827 printed += fprintf(fp, "(");
828 printed += map__fprintf_dsoname(alf.map, fp);
829 printed += fprintf(fp, ")");
830 }
831 printed += fprintf(fp, "/0x%"PRIx64, to);
832 if (PRINT_FIELD(DSO)) {
833 printed += fprintf(fp, "(");
834 printed += map__fprintf_dsoname(alt.map, fp);
835 printed += fprintf(fp, ")");
836 }
837 printed += fprintf(fp, "/%c/%c/%c/%d ",
838 mispred_str(br->entries + i),
839 br->entries[i].flags.in_tx ? 'X' : '-',
840 br->entries[i].flags.abort ? 'A' : '-',
841 br->entries[i].flags.cycles);
842 }
843
844 return printed;
845}
846#define MAXBB 16384UL
847
848static int grab_bb(u8 *buffer, u64 start, u64 end,
849 struct machine *machine, struct thread *thread,
850 bool *is64bit, u8 *cpumode, bool last)
851{
852 long offset, len;
853 struct addr_location al;
854 bool kernel;
855
856 if (!start || !end)
857 return 0;
858
859 kernel = machine__kernel_ip(machine, start);
860 if (kernel)
861 *cpumode = PERF_RECORD_MISC_KERNEL;
862 else
863 *cpumode = PERF_RECORD_MISC_USER;
864
865 /*
866 * Block overlaps between kernel and user.
867 * This can happen due to ring filtering
868 * On Intel CPUs the entry into the kernel is filtered,
869 * but the exit is not. Let the caller patch it up.
870 */
871 if (kernel != machine__kernel_ip(machine, end)) {
872 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
873 return -ENXIO;
874 }
875
876 memset(&al, 0, sizeof(al));
877 if (end - start > MAXBB - MAXINSN) {
878 if (last)
879 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
880 else
881 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
882 return 0;
883 }
884
885 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
886 if (!al.map || !al.map->dso) {
887 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
888 return 0;
889 }
890 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
891 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
892 return 0;
893 }
894
895 /* Load maps to ensure dso->is_64_bit has been updated */
896 map__load(al.map);
897
898 offset = al.map->map_ip(al.map, start);
899 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
900 end - start + MAXINSN);
901
902 *is64bit = al.map->dso->is_64_bit;
903 if (len <= 0)
904 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
905 start, end);
906 return len;
907}
908
909static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
910 struct perf_insn *x, u8 *inbuf, int len,
911 int insn, FILE *fp)
912{
913 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
914 dump_insn(x, ip, inbuf, len, NULL),
915 en->flags.predicted ? " PRED" : "",
916 en->flags.mispred ? " MISPRED" : "",
917 en->flags.in_tx ? " INTX" : "",
918 en->flags.abort ? " ABORT" : "");
919 if (en->flags.cycles) {
920 printed += fprintf(fp, " %d cycles", en->flags.cycles);
921 if (insn)
922 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
923 }
924 return printed + fprintf(fp, "\n");
925}
926
927static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
928 u8 cpumode, int cpu, struct symbol **lastsym,
929 struct perf_event_attr *attr, FILE *fp)
930{
931 struct addr_location al;
932 int off, printed = 0;
933
934 memset(&al, 0, sizeof(al));
935
936 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
937 if (!al.map)
938 thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
939 addr, &al);
940 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
941 return 0;
942
943 al.cpu = cpu;
944 al.sym = NULL;
945 if (al.map)
946 al.sym = map__find_symbol(al.map, al.addr);
947
948 if (!al.sym)
949 return 0;
950
951 if (al.addr < al.sym->end)
952 off = al.addr - al.sym->start;
953 else
954 off = al.addr - al.map->start - al.sym->start;
955 printed += fprintf(fp, "\t%s", al.sym->name);
956 if (off)
957 printed += fprintf(fp, "%+d", off);
958 printed += fprintf(fp, ":");
959 if (PRINT_FIELD(SRCLINE))
960 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
961 printed += fprintf(fp, "\n");
962 *lastsym = al.sym;
963
964 return printed;
965}
966
967static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
968 struct thread *thread,
969 struct perf_event_attr *attr,
970 struct machine *machine, FILE *fp)
971{
972 struct branch_stack *br = sample->branch_stack;
973 u64 start, end;
974 int i, insn, len, nr, ilen, printed = 0;
975 struct perf_insn x;
976 u8 buffer[MAXBB];
977 unsigned off;
978 struct symbol *lastsym = NULL;
979
980 if (!(br && br->nr))
981 return 0;
982 nr = br->nr;
983 if (max_blocks && nr > max_blocks + 1)
984 nr = max_blocks + 1;
985
986 x.thread = thread;
987 x.cpu = sample->cpu;
988
989 printed += fprintf(fp, "%c", '\n');
990
991 /* Handle first from jump, of which we don't know the entry. */
992 len = grab_bb(buffer, br->entries[nr-1].from,
993 br->entries[nr-1].from,
994 machine, thread, &x.is64bit, &x.cpumode, false);
995 if (len > 0) {
996 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
997 x.cpumode, x.cpu, &lastsym, attr, fp);
998 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
999 &x, buffer, len, 0, fp);
1000 }
1001
1002 /* Print all blocks */
1003 for (i = nr - 2; i >= 0; i--) {
1004 if (br->entries[i].from || br->entries[i].to)
1005 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1006 br->entries[i].from,
1007 br->entries[i].to);
1008 start = br->entries[i + 1].to;
1009 end = br->entries[i].from;
1010
1011 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1012 /* Patch up missing kernel transfers due to ring filters */
1013 if (len == -ENXIO && i > 0) {
1014 end = br->entries[--i].from;
1015 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1016 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1017 }
1018 if (len <= 0)
1019 continue;
1020
1021 insn = 0;
1022 for (off = 0;; off += ilen) {
1023 uint64_t ip = start + off;
1024
1025 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1026 if (ip == end) {
1027 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1028 break;
1029 } else {
1030 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1031 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1032 if (ilen == 0)
1033 break;
1034 insn++;
1035 }
1036 }
1037 }
1038
1039 /*
1040 * Hit the branch? In this case we are already done, and the target
1041 * has not been executed yet.
1042 */
1043 if (br->entries[0].from == sample->ip)
1044 goto out;
1045 if (br->entries[0].flags.abort)
1046 goto out;
1047
1048 /*
1049 * Print final block upto sample
1050 */
1051 start = br->entries[0].to;
1052 end = sample->ip;
1053 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1054 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1055 if (len <= 0) {
1056 /* Print at least last IP if basic block did not work */
1057 len = grab_bb(buffer, sample->ip, sample->ip,
1058 machine, thread, &x.is64bit, &x.cpumode, false);
1059 if (len <= 0)
1060 goto out;
1061
1062 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1063 dump_insn(&x, sample->ip, buffer, len, NULL));
1064 goto out;
1065 }
1066 for (off = 0; off <= end - start; off += ilen) {
1067 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1068 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1069 if (ilen == 0)
1070 break;
1071 }
1072out:
1073 return printed;
1074}
1075
1076static int perf_sample__fprintf_addr(struct perf_sample *sample,
1077 struct thread *thread,
1078 struct perf_event_attr *attr, FILE *fp)
1079{
1080 struct addr_location al;
1081 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1082
1083 if (!sample_addr_correlates_sym(attr))
1084 goto out;
1085
1086 thread__resolve(thread, &al, sample);
1087
1088 if (PRINT_FIELD(SYM)) {
1089 printed += fprintf(fp, " ");
1090 if (PRINT_FIELD(SYMOFFSET))
1091 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1092 else
1093 printed += symbol__fprintf_symname(al.sym, fp);
1094 }
1095
1096 if (PRINT_FIELD(DSO)) {
1097 printed += fprintf(fp, " (");
1098 printed += map__fprintf_dsoname(al.map, fp);
1099 printed += fprintf(fp, ")");
1100 }
1101out:
1102 return printed;
1103}
1104
1105static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1106 struct perf_evsel *evsel,
1107 struct thread *thread,
1108 struct addr_location *al, FILE *fp)
1109{
1110 struct perf_event_attr *attr = &evsel->attr;
1111 size_t depth = thread_stack__depth(thread);
1112 struct addr_location addr_al;
1113 const char *name = NULL;
1114 static int spacing;
1115 int len = 0;
1116 u64 ip = 0;
1117
1118 /*
1119 * The 'return' has already been popped off the stack so the depth has
1120 * to be adjusted to match the 'call'.
1121 */
1122 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1123 depth += 1;
1124
1125 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1126 if (sample_addr_correlates_sym(attr)) {
1127 thread__resolve(thread, &addr_al, sample);
1128 if (addr_al.sym)
1129 name = addr_al.sym->name;
1130 else
1131 ip = sample->addr;
1132 } else {
1133 ip = sample->addr;
1134 }
1135 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1136 if (al->sym)
1137 name = al->sym->name;
1138 else
1139 ip = sample->ip;
1140 }
1141
1142 if (name)
1143 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1144 else if (ip)
1145 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1146
1147 if (len < 0)
1148 return len;
1149
1150 /*
1151 * Try to keep the output length from changing frequently so that the
1152 * output lines up more nicely.
1153 */
1154 if (len > spacing || (len && len < spacing - 52))
1155 spacing = round_up(len + 4, 32);
1156
1157 if (len < spacing)
1158 len += fprintf(fp, "%*s", spacing - len, "");
1159
1160 return len;
1161}
1162
1163static int perf_sample__fprintf_insn(struct perf_sample *sample,
1164 struct perf_event_attr *attr,
1165 struct thread *thread,
1166 struct machine *machine, FILE *fp)
1167{
1168 int printed = 0;
1169
1170 if (PRINT_FIELD(INSNLEN))
1171 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1172 if (PRINT_FIELD(INSN)) {
1173 int i;
1174
1175 printed += fprintf(fp, " insn:");
1176 for (i = 0; i < sample->insn_len; i++)
1177 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1178 }
1179 if (PRINT_FIELD(BRSTACKINSN))
1180 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1181
1182 return printed;
1183}
1184
1185static int perf_sample__fprintf_bts(struct perf_sample *sample,
1186 struct perf_evsel *evsel,
1187 struct thread *thread,
1188 struct addr_location *al,
1189 struct machine *machine, FILE *fp)
1190{
1191 struct perf_event_attr *attr = &evsel->attr;
1192 unsigned int type = output_type(attr->type);
1193 bool print_srcline_last = false;
1194 int printed = 0;
1195
1196 if (PRINT_FIELD(CALLINDENT))
1197 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1198
1199 /* print branch_from information */
1200 if (PRINT_FIELD(IP)) {
1201 unsigned int print_opts = output[type].print_ip_opts;
1202 struct callchain_cursor *cursor = NULL;
1203
1204 if (symbol_conf.use_callchain && sample->callchain &&
1205 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1206 sample, NULL, NULL, scripting_max_stack) == 0)
1207 cursor = &callchain_cursor;
1208
1209 if (cursor == NULL) {
1210 printed += fprintf(fp, " ");
1211 if (print_opts & EVSEL__PRINT_SRCLINE) {
1212 print_srcline_last = true;
1213 print_opts &= ~EVSEL__PRINT_SRCLINE;
1214 }
1215 } else
1216 printed += fprintf(fp, "\n");
1217
1218 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1219 }
1220
1221 /* print branch_to information */
1222 if (PRINT_FIELD(ADDR) ||
1223 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1224 !output[type].user_set)) {
1225 printed += fprintf(fp, " => ");
1226 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1227 }
1228
1229 if (print_srcline_last)
1230 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1231
1232 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1233 return printed + fprintf(fp, "\n");
1234}
1235
1236static struct {
1237 u32 flags;
1238 const char *name;
1239} sample_flags[] = {
1240 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1241 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1243 {PERF_IP_FLAG_BRANCH, "jmp"},
1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1245 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1246 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1247 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1248 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1249 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1250 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1251 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1252 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1253 {0, NULL}
1254};
1255
1256static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1257{
1258 const char *chars = PERF_IP_FLAG_CHARS;
1259 const int n = strlen(PERF_IP_FLAG_CHARS);
1260 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1261 const char *name = NULL;
1262 char str[33];
1263 int i, pos = 0;
1264
1265 for (i = 0; sample_flags[i].name ; i++) {
1266 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
1267 name = sample_flags[i].name;
1268 break;
1269 }
1270 }
1271
1272 for (i = 0; i < n; i++, flags >>= 1) {
1273 if (flags & 1)
1274 str[pos++] = chars[i];
1275 }
1276 for (; i < 32; i++, flags >>= 1) {
1277 if (flags & 1)
1278 str[pos++] = '?';
1279 }
1280 str[pos] = 0;
1281
1282 if (name)
1283 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : "");
1284
1285 return fprintf(fp, " %-11s ", str);
1286}
1287
1288struct printer_data {
1289 int line_no;
1290 bool hit_nul;
1291 bool is_printable;
1292};
1293
1294static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1295 unsigned int val,
1296 void *extra, FILE *fp)
1297{
1298 unsigned char ch = (unsigned char)val;
1299 struct printer_data *printer_data = extra;
1300 int printed = 0;
1301
1302 switch (op) {
1303 case BINARY_PRINT_DATA_BEGIN:
1304 printed += fprintf(fp, "\n");
1305 break;
1306 case BINARY_PRINT_LINE_BEGIN:
1307 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1308 " ");
1309 break;
1310 case BINARY_PRINT_ADDR:
1311 printed += fprintf(fp, " %04x:", val);
1312 break;
1313 case BINARY_PRINT_NUM_DATA:
1314 printed += fprintf(fp, " %02x", val);
1315 break;
1316 case BINARY_PRINT_NUM_PAD:
1317 printed += fprintf(fp, " ");
1318 break;
1319 case BINARY_PRINT_SEP:
1320 printed += fprintf(fp, " ");
1321 break;
1322 case BINARY_PRINT_CHAR_DATA:
1323 if (printer_data->hit_nul && ch)
1324 printer_data->is_printable = false;
1325
1326 if (!isprint(ch)) {
1327 printed += fprintf(fp, "%c", '.');
1328
1329 if (!printer_data->is_printable)
1330 break;
1331
1332 if (ch == '\0')
1333 printer_data->hit_nul = true;
1334 else
1335 printer_data->is_printable = false;
1336 } else {
1337 printed += fprintf(fp, "%c", ch);
1338 }
1339 break;
1340 case BINARY_PRINT_CHAR_PAD:
1341 printed += fprintf(fp, " ");
1342 break;
1343 case BINARY_PRINT_LINE_END:
1344 printed += fprintf(fp, "\n");
1345 printer_data->line_no++;
1346 break;
1347 case BINARY_PRINT_DATA_END:
1348 default:
1349 break;
1350 }
1351
1352 return printed;
1353}
1354
1355static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1356{
1357 unsigned int nr_bytes = sample->raw_size;
1358 struct printer_data printer_data = {0, false, true};
1359 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1360 sample__fprintf_bpf_output, &printer_data, fp);
1361
1362 if (printer_data.is_printable && printer_data.hit_nul)
1363 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1364
1365 return printed;
1366}
1367
1368static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1369{
1370 if (len > 0 && len < spacing)
1371 return fprintf(fp, "%*s", spacing - len, "");
1372
1373 return 0;
1374}
1375
1376static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1377{
1378 return perf_sample__fprintf_spacing(len, 34, fp);
1379}
1380
1381static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1382{
1383 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1384 int len;
1385
1386 if (perf_sample__bad_synth_size(sample, *data))
1387 return 0;
1388
1389 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1390 data->ip, le64_to_cpu(data->payload));
1391 return len + perf_sample__fprintf_pt_spacing(len, fp);
1392}
1393
1394static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1395{
1396 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1397 int len;
1398
1399 if (perf_sample__bad_synth_size(sample, *data))
1400 return 0;
1401
1402 len = fprintf(fp, " hints: %#x extensions: %#x ",
1403 data->hints, data->extensions);
1404 return len + perf_sample__fprintf_pt_spacing(len, fp);
1405}
1406
1407static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1408{
1409 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1410 int len;
1411
1412 if (perf_sample__bad_synth_size(sample, *data))
1413 return 0;
1414
1415 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1416 data->hw, data->cstate, data->subcstate);
1417 return len + perf_sample__fprintf_pt_spacing(len, fp);
1418}
1419
1420static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1421{
1422 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1423 int len;
1424
1425 if (perf_sample__bad_synth_size(sample, *data))
1426 return 0;
1427
1428 len = fprintf(fp, " IP: %u ", data->ip);
1429 return len + perf_sample__fprintf_pt_spacing(len, fp);
1430}
1431
1432static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1433{
1434 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1435 int len;
1436
1437 if (perf_sample__bad_synth_size(sample, *data))
1438 return 0;
1439
1440 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1441 data->deepest_cstate, data->last_cstate,
1442 data->wake_reason);
1443 return len + perf_sample__fprintf_pt_spacing(len, fp);
1444}
1445
1446static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1447{
1448 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1449 unsigned int percent, freq;
1450 int len;
1451
1452 if (perf_sample__bad_synth_size(sample, *data))
1453 return 0;
1454
1455 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1456 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1457 if (data->max_nonturbo) {
1458 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1459 len += fprintf(fp, "(%3u%%) ", percent);
1460 }
1461 return len + perf_sample__fprintf_pt_spacing(len, fp);
1462}
1463
1464static int perf_sample__fprintf_synth(struct perf_sample *sample,
1465 struct perf_evsel *evsel, FILE *fp)
1466{
1467 switch (evsel->attr.config) {
1468 case PERF_SYNTH_INTEL_PTWRITE:
1469 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1470 case PERF_SYNTH_INTEL_MWAIT:
1471 return perf_sample__fprintf_synth_mwait(sample, fp);
1472 case PERF_SYNTH_INTEL_PWRE:
1473 return perf_sample__fprintf_synth_pwre(sample, fp);
1474 case PERF_SYNTH_INTEL_EXSTOP:
1475 return perf_sample__fprintf_synth_exstop(sample, fp);
1476 case PERF_SYNTH_INTEL_PWRX:
1477 return perf_sample__fprintf_synth_pwrx(sample, fp);
1478 case PERF_SYNTH_INTEL_CBR:
1479 return perf_sample__fprintf_synth_cbr(sample, fp);
1480 default:
1481 break;
1482 }
1483
1484 return 0;
1485}
1486
1487struct perf_script {
1488 struct perf_tool tool;
1489 struct perf_session *session;
1490 bool show_task_events;
1491 bool show_mmap_events;
1492 bool show_switch_events;
1493 bool show_namespace_events;
1494 bool show_lost_events;
1495 bool show_round_events;
1496 bool allocated;
1497 bool per_event_dump;
1498 struct cpu_map *cpus;
1499 struct thread_map *threads;
1500 int name_width;
1501 const char *time_str;
1502 struct perf_time_interval *ptime_range;
1503 int range_size;
1504 int range_num;
1505};
1506
1507static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1508{
1509 struct perf_evsel *evsel;
1510 int max = 0;
1511
1512 evlist__for_each_entry(evlist, evsel) {
1513 int len = strlen(perf_evsel__name(evsel));
1514
1515 max = MAX(len, max);
1516 }
1517
1518 return max;
1519}
1520
1521static int data_src__fprintf(u64 data_src, FILE *fp)
1522{
1523 struct mem_info mi = { .data_src.val = data_src };
1524 char decode[100];
1525 char out[100];
1526 static int maxlen;
1527 int len;
1528
1529 perf_script__meminfo_scnprintf(decode, 100, &mi);
1530
1531 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1532 if (maxlen < len)
1533 maxlen = len;
1534
1535 return fprintf(fp, "%-*s", maxlen, out);
1536}
1537
1538struct metric_ctx {
1539 struct perf_sample *sample;
1540 struct thread *thread;
1541 struct perf_evsel *evsel;
1542 FILE *fp;
1543};
1544
1545static void script_print_metric(void *ctx, const char *color,
1546 const char *fmt,
1547 const char *unit, double val)
1548{
1549 struct metric_ctx *mctx = ctx;
1550
1551 if (!fmt)
1552 return;
1553 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1554 PERF_RECORD_SAMPLE, mctx->fp);
1555 fputs("\tmetric: ", mctx->fp);
1556 if (color)
1557 color_fprintf(mctx->fp, color, fmt, val);
1558 else
1559 printf(fmt, val);
1560 fprintf(mctx->fp, " %s\n", unit);
1561}
1562
1563static void script_new_line(void *ctx)
1564{
1565 struct metric_ctx *mctx = ctx;
1566
1567 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1568 PERF_RECORD_SAMPLE, mctx->fp);
1569 fputs("\tmetric: ", mctx->fp);
1570}
1571
1572static void perf_sample__fprint_metric(struct perf_script *script,
1573 struct thread *thread,
1574 struct perf_evsel *evsel,
1575 struct perf_sample *sample,
1576 FILE *fp)
1577{
1578 struct perf_stat_output_ctx ctx = {
1579 .print_metric = script_print_metric,
1580 .new_line = script_new_line,
1581 .ctx = &(struct metric_ctx) {
1582 .sample = sample,
1583 .thread = thread,
1584 .evsel = evsel,
1585 .fp = fp,
1586 },
1587 .force_header = false,
1588 };
1589 struct perf_evsel *ev2;
1590 static bool init;
1591 u64 val;
1592
1593 if (!init) {
1594 perf_stat__init_shadow_stats();
1595 init = true;
1596 }
1597 if (!evsel->stats)
1598 perf_evlist__alloc_stats(script->session->evlist, false);
1599 if (evsel_script(evsel->leader)->gnum++ == 0)
1600 perf_stat__reset_shadow_stats();
1601 val = sample->period * evsel->scale;
1602 perf_stat__update_shadow_stats(evsel,
1603 val,
1604 sample->cpu,
1605 &rt_stat);
1606 evsel_script(evsel)->val = val;
1607 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1608 for_each_group_member (ev2, evsel->leader) {
1609 perf_stat__print_shadow_stats(ev2,
1610 evsel_script(ev2)->val,
1611 sample->cpu,
1612 &ctx,
1613 NULL,
1614 &rt_stat);
1615 }
1616 evsel_script(evsel->leader)->gnum = 0;
1617 }
1618}
1619
1620static void process_event(struct perf_script *script,
1621 struct perf_sample *sample, struct perf_evsel *evsel,
1622 struct addr_location *al,
1623 struct machine *machine)
1624{
1625 struct thread *thread = al->thread;
1626 struct perf_event_attr *attr = &evsel->attr;
1627 unsigned int type = output_type(attr->type);
1628 struct perf_evsel_script *es = evsel->priv;
1629 FILE *fp = es->fp;
1630
1631 if (output[type].fields == 0)
1632 return;
1633
1634 ++es->samples;
1635
1636 perf_sample__fprintf_start(sample, thread, evsel,
1637 PERF_RECORD_SAMPLE, fp);
1638
1639 if (PRINT_FIELD(PERIOD))
1640 fprintf(fp, "%10" PRIu64 " ", sample->period);
1641
1642 if (PRINT_FIELD(EVNAME)) {
1643 const char *evname = perf_evsel__name(evsel);
1644
1645 if (!script->name_width)
1646 script->name_width = perf_evlist__max_name_len(script->session->evlist);
1647
1648 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1649 }
1650
1651 if (print_flags)
1652 perf_sample__fprintf_flags(sample->flags, fp);
1653
1654 if (is_bts_event(attr)) {
1655 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1656 return;
1657 }
1658
1659 if (PRINT_FIELD(TRACE)) {
1660 event_format__fprintf(evsel->tp_format, sample->cpu,
1661 sample->raw_data, sample->raw_size, fp);
1662 }
1663
1664 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1665 perf_sample__fprintf_synth(sample, evsel, fp);
1666
1667 if (PRINT_FIELD(ADDR))
1668 perf_sample__fprintf_addr(sample, thread, attr, fp);
1669
1670 if (PRINT_FIELD(DATA_SRC))
1671 data_src__fprintf(sample->data_src, fp);
1672
1673 if (PRINT_FIELD(WEIGHT))
1674 fprintf(fp, "%16" PRIu64, sample->weight);
1675
1676 if (PRINT_FIELD(IP)) {
1677 struct callchain_cursor *cursor = NULL;
1678
1679 if (symbol_conf.use_callchain && sample->callchain &&
1680 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1681 sample, NULL, NULL, scripting_max_stack) == 0)
1682 cursor = &callchain_cursor;
1683
1684 fputc(cursor ? '\n' : ' ', fp);
1685 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1686 }
1687
1688 if (PRINT_FIELD(IREGS))
1689 perf_sample__fprintf_iregs(sample, attr, fp);
1690
1691 if (PRINT_FIELD(UREGS))
1692 perf_sample__fprintf_uregs(sample, attr, fp);
1693
1694 if (PRINT_FIELD(BRSTACK))
1695 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1696 else if (PRINT_FIELD(BRSTACKSYM))
1697 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1698 else if (PRINT_FIELD(BRSTACKOFF))
1699 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1700
1701 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1702 perf_sample__fprintf_bpf_output(sample, fp);
1703 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1704
1705 if (PRINT_FIELD(PHYS_ADDR))
1706 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1707 fprintf(fp, "\n");
1708
1709 if (PRINT_FIELD(METRIC))
1710 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1711}
1712
1713static struct scripting_ops *scripting_ops;
1714
1715static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1716{
1717 int nthreads = thread_map__nr(counter->threads);
1718 int ncpus = perf_evsel__nr_cpus(counter);
1719 int cpu, thread;
1720 static int header_printed;
1721
1722 if (counter->system_wide)
1723 nthreads = 1;
1724
1725 if (!header_printed) {
1726 printf("%3s %8s %15s %15s %15s %15s %s\n",
1727 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1728 header_printed = 1;
1729 }
1730
1731 for (thread = 0; thread < nthreads; thread++) {
1732 for (cpu = 0; cpu < ncpus; cpu++) {
1733 struct perf_counts_values *counts;
1734
1735 counts = perf_counts(counter->counts, cpu, thread);
1736
1737 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1738 counter->cpus->map[cpu],
1739 thread_map__pid(counter->threads, thread),
1740 counts->val,
1741 counts->ena,
1742 counts->run,
1743 tstamp,
1744 perf_evsel__name(counter));
1745 }
1746 }
1747}
1748
1749static void process_stat(struct perf_evsel *counter, u64 tstamp)
1750{
1751 if (scripting_ops && scripting_ops->process_stat)
1752 scripting_ops->process_stat(&stat_config, counter, tstamp);
1753 else
1754 __process_stat(counter, tstamp);
1755}
1756
1757static void process_stat_interval(u64 tstamp)
1758{
1759 if (scripting_ops && scripting_ops->process_stat_interval)
1760 scripting_ops->process_stat_interval(tstamp);
1761}
1762
1763static void setup_scripting(void)
1764{
1765 setup_perl_scripting();
1766 setup_python_scripting();
1767}
1768
1769static int flush_scripting(void)
1770{
1771 return scripting_ops ? scripting_ops->flush_script() : 0;
1772}
1773
1774static int cleanup_scripting(void)
1775{
1776 pr_debug("\nperf script stopped\n");
1777
1778 return scripting_ops ? scripting_ops->stop_script() : 0;
1779}
1780
1781static int process_sample_event(struct perf_tool *tool,
1782 union perf_event *event,
1783 struct perf_sample *sample,
1784 struct perf_evsel *evsel,
1785 struct machine *machine)
1786{
1787 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1788 struct addr_location al;
1789
1790 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1791 sample->time)) {
1792 return 0;
1793 }
1794
1795 if (debug_mode) {
1796 if (sample->time < last_timestamp) {
1797 pr_err("Samples misordered, previous: %" PRIu64
1798 " this: %" PRIu64 "\n", last_timestamp,
1799 sample->time);
1800 nr_unordered++;
1801 }
1802 last_timestamp = sample->time;
1803 return 0;
1804 }
1805
1806 if (machine__resolve(machine, &al, sample) < 0) {
1807 pr_err("problem processing %d event, skipping it.\n",
1808 event->header.type);
1809 return -1;
1810 }
1811
1812 if (al.filtered)
1813 goto out_put;
1814
1815 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1816 goto out_put;
1817
1818 if (scripting_ops)
1819 scripting_ops->process_event(event, sample, evsel, &al);
1820 else
1821 process_event(scr, sample, evsel, &al, machine);
1822
1823out_put:
1824 addr_location__put(&al);
1825 return 0;
1826}
1827
1828static int process_attr(struct perf_tool *tool, union perf_event *event,
1829 struct perf_evlist **pevlist)
1830{
1831 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1832 struct perf_evlist *evlist;
1833 struct perf_evsel *evsel, *pos;
1834 int err;
1835
1836 err = perf_event__process_attr(tool, event, pevlist);
1837 if (err)
1838 return err;
1839
1840 evlist = *pevlist;
1841 evsel = perf_evlist__last(*pevlist);
1842
1843 if (evsel->attr.type >= PERF_TYPE_MAX &&
1844 evsel->attr.type != PERF_TYPE_SYNTH)
1845 return 0;
1846
1847 evlist__for_each_entry(evlist, pos) {
1848 if (pos->attr.type == evsel->attr.type && pos != evsel)
1849 return 0;
1850 }
1851
1852 set_print_ip_opts(&evsel->attr);
1853
1854 if (evsel->attr.sample_type)
1855 err = perf_evsel__check_attr(evsel, scr->session);
1856
1857 return err;
1858}
1859
1860static int process_comm_event(struct perf_tool *tool,
1861 union perf_event *event,
1862 struct perf_sample *sample,
1863 struct machine *machine)
1864{
1865 struct thread *thread;
1866 struct perf_script *script = container_of(tool, struct perf_script, tool);
1867 struct perf_session *session = script->session;
1868 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1869 int ret = -1;
1870
1871 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1872 if (thread == NULL) {
1873 pr_debug("problem processing COMM event, skipping it.\n");
1874 return -1;
1875 }
1876
1877 if (perf_event__process_comm(tool, event, sample, machine) < 0)
1878 goto out;
1879
1880 if (!evsel->attr.sample_id_all) {
1881 sample->cpu = 0;
1882 sample->time = 0;
1883 sample->tid = event->comm.tid;
1884 sample->pid = event->comm.pid;
1885 }
1886 perf_sample__fprintf_start(sample, thread, evsel,
1887 PERF_RECORD_COMM, stdout);
1888 perf_event__fprintf(event, stdout);
1889 ret = 0;
1890out:
1891 thread__put(thread);
1892 return ret;
1893}
1894
1895static int process_namespaces_event(struct perf_tool *tool,
1896 union perf_event *event,
1897 struct perf_sample *sample,
1898 struct machine *machine)
1899{
1900 struct thread *thread;
1901 struct perf_script *script = container_of(tool, struct perf_script, tool);
1902 struct perf_session *session = script->session;
1903 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1904 int ret = -1;
1905
1906 thread = machine__findnew_thread(machine, event->namespaces.pid,
1907 event->namespaces.tid);
1908 if (thread == NULL) {
1909 pr_debug("problem processing NAMESPACES event, skipping it.\n");
1910 return -1;
1911 }
1912
1913 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1914 goto out;
1915
1916 if (!evsel->attr.sample_id_all) {
1917 sample->cpu = 0;
1918 sample->time = 0;
1919 sample->tid = event->namespaces.tid;
1920 sample->pid = event->namespaces.pid;
1921 }
1922 perf_sample__fprintf_start(sample, thread, evsel,
1923 PERF_RECORD_NAMESPACES, stdout);
1924 perf_event__fprintf(event, stdout);
1925 ret = 0;
1926out:
1927 thread__put(thread);
1928 return ret;
1929}
1930
1931static int process_fork_event(struct perf_tool *tool,
1932 union perf_event *event,
1933 struct perf_sample *sample,
1934 struct machine *machine)
1935{
1936 struct thread *thread;
1937 struct perf_script *script = container_of(tool, struct perf_script, tool);
1938 struct perf_session *session = script->session;
1939 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1940
1941 if (perf_event__process_fork(tool, event, sample, machine) < 0)
1942 return -1;
1943
1944 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1945 if (thread == NULL) {
1946 pr_debug("problem processing FORK event, skipping it.\n");
1947 return -1;
1948 }
1949
1950 if (!evsel->attr.sample_id_all) {
1951 sample->cpu = 0;
1952 sample->time = event->fork.time;
1953 sample->tid = event->fork.tid;
1954 sample->pid = event->fork.pid;
1955 }
1956 perf_sample__fprintf_start(sample, thread, evsel,
1957 PERF_RECORD_FORK, stdout);
1958 perf_event__fprintf(event, stdout);
1959 thread__put(thread);
1960
1961 return 0;
1962}
1963static int process_exit_event(struct perf_tool *tool,
1964 union perf_event *event,
1965 struct perf_sample *sample,
1966 struct machine *machine)
1967{
1968 int err = 0;
1969 struct thread *thread;
1970 struct perf_script *script = container_of(tool, struct perf_script, tool);
1971 struct perf_session *session = script->session;
1972 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1973
1974 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1975 if (thread == NULL) {
1976 pr_debug("problem processing EXIT event, skipping it.\n");
1977 return -1;
1978 }
1979
1980 if (!evsel->attr.sample_id_all) {
1981 sample->cpu = 0;
1982 sample->time = 0;
1983 sample->tid = event->fork.tid;
1984 sample->pid = event->fork.pid;
1985 }
1986 perf_sample__fprintf_start(sample, thread, evsel,
1987 PERF_RECORD_EXIT, stdout);
1988 perf_event__fprintf(event, stdout);
1989
1990 if (perf_event__process_exit(tool, event, sample, machine) < 0)
1991 err = -1;
1992
1993 thread__put(thread);
1994 return err;
1995}
1996
1997static int process_mmap_event(struct perf_tool *tool,
1998 union perf_event *event,
1999 struct perf_sample *sample,
2000 struct machine *machine)
2001{
2002 struct thread *thread;
2003 struct perf_script *script = container_of(tool, struct perf_script, tool);
2004 struct perf_session *session = script->session;
2005 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2006
2007 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2008 return -1;
2009
2010 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2011 if (thread == NULL) {
2012 pr_debug("problem processing MMAP event, skipping it.\n");
2013 return -1;
2014 }
2015
2016 if (!evsel->attr.sample_id_all) {
2017 sample->cpu = 0;
2018 sample->time = 0;
2019 sample->tid = event->mmap.tid;
2020 sample->pid = event->mmap.pid;
2021 }
2022 perf_sample__fprintf_start(sample, thread, evsel,
2023 PERF_RECORD_MMAP, stdout);
2024 perf_event__fprintf(event, stdout);
2025 thread__put(thread);
2026 return 0;
2027}
2028
2029static int process_mmap2_event(struct perf_tool *tool,
2030 union perf_event *event,
2031 struct perf_sample *sample,
2032 struct machine *machine)
2033{
2034 struct thread *thread;
2035 struct perf_script *script = container_of(tool, struct perf_script, tool);
2036 struct perf_session *session = script->session;
2037 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2038
2039 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2040 return -1;
2041
2042 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2043 if (thread == NULL) {
2044 pr_debug("problem processing MMAP2 event, skipping it.\n");
2045 return -1;
2046 }
2047
2048 if (!evsel->attr.sample_id_all) {
2049 sample->cpu = 0;
2050 sample->time = 0;
2051 sample->tid = event->mmap2.tid;
2052 sample->pid = event->mmap2.pid;
2053 }
2054 perf_sample__fprintf_start(sample, thread, evsel,
2055 PERF_RECORD_MMAP2, stdout);
2056 perf_event__fprintf(event, stdout);
2057 thread__put(thread);
2058 return 0;
2059}
2060
2061static int process_switch_event(struct perf_tool *tool,
2062 union perf_event *event,
2063 struct perf_sample *sample,
2064 struct machine *machine)
2065{
2066 struct thread *thread;
2067 struct perf_script *script = container_of(tool, struct perf_script, tool);
2068 struct perf_session *session = script->session;
2069 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2070
2071 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2072 return -1;
2073
2074 thread = machine__findnew_thread(machine, sample->pid,
2075 sample->tid);
2076 if (thread == NULL) {
2077 pr_debug("problem processing SWITCH event, skipping it.\n");
2078 return -1;
2079 }
2080
2081 perf_sample__fprintf_start(sample, thread, evsel,
2082 PERF_RECORD_SWITCH, stdout);
2083 perf_event__fprintf(event, stdout);
2084 thread__put(thread);
2085 return 0;
2086}
2087
2088static int
2089process_lost_event(struct perf_tool *tool,
2090 union perf_event *event,
2091 struct perf_sample *sample,
2092 struct machine *machine)
2093{
2094 struct perf_script *script = container_of(tool, struct perf_script, tool);
2095 struct perf_session *session = script->session;
2096 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2097 struct thread *thread;
2098
2099 thread = machine__findnew_thread(machine, sample->pid,
2100 sample->tid);
2101 if (thread == NULL)
2102 return -1;
2103
2104 perf_sample__fprintf_start(sample, thread, evsel,
2105 PERF_RECORD_LOST, stdout);
2106 perf_event__fprintf(event, stdout);
2107 thread__put(thread);
2108 return 0;
2109}
2110
2111static int
2112process_finished_round_event(struct perf_tool *tool __maybe_unused,
2113 union perf_event *event,
2114 struct ordered_events *oe __maybe_unused)
2115
2116{
2117 perf_event__fprintf(event, stdout);
2118 return 0;
2119}
2120
2121static void sig_handler(int sig __maybe_unused)
2122{
2123 session_done = 1;
2124}
2125
2126static void perf_script__fclose_per_event_dump(struct perf_script *script)
2127{
2128 struct perf_evlist *evlist = script->session->evlist;
2129 struct perf_evsel *evsel;
2130
2131 evlist__for_each_entry(evlist, evsel) {
2132 if (!evsel->priv)
2133 break;
2134 perf_evsel_script__delete(evsel->priv);
2135 evsel->priv = NULL;
2136 }
2137}
2138
2139static int perf_script__fopen_per_event_dump(struct perf_script *script)
2140{
2141 struct perf_evsel *evsel;
2142
2143 evlist__for_each_entry(script->session->evlist, evsel) {
2144 /*
2145 * Already setup? I.e. we may be called twice in cases like
2146 * Intel PT, one for the intel_pt// and dummy events, then
2147 * for the evsels syntheized from the auxtrace info.
2148 *
2149 * Ses perf_script__process_auxtrace_info.
2150 */
2151 if (evsel->priv != NULL)
2152 continue;
2153
2154 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2155 if (evsel->priv == NULL)
2156 goto out_err_fclose;
2157 }
2158
2159 return 0;
2160
2161out_err_fclose:
2162 perf_script__fclose_per_event_dump(script);
2163 return -1;
2164}
2165
2166static int perf_script__setup_per_event_dump(struct perf_script *script)
2167{
2168 struct perf_evsel *evsel;
2169 static struct perf_evsel_script es_stdout;
2170
2171 if (script->per_event_dump)
2172 return perf_script__fopen_per_event_dump(script);
2173
2174 es_stdout.fp = stdout;
2175
2176 evlist__for_each_entry(script->session->evlist, evsel)
2177 evsel->priv = &es_stdout;
2178
2179 return 0;
2180}
2181
2182static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2183{
2184 struct perf_evsel *evsel;
2185
2186 evlist__for_each_entry(script->session->evlist, evsel) {
2187 struct perf_evsel_script *es = evsel->priv;
2188
2189 perf_evsel_script__fprintf(es, stdout);
2190 perf_evsel_script__delete(es);
2191 evsel->priv = NULL;
2192 }
2193}
2194
2195static int __cmd_script(struct perf_script *script)
2196{
2197 int ret;
2198
2199 signal(SIGINT, sig_handler);
2200
2201 /* override event processing functions */
2202 if (script->show_task_events) {
2203 script->tool.comm = process_comm_event;
2204 script->tool.fork = process_fork_event;
2205 script->tool.exit = process_exit_event;
2206 }
2207 if (script->show_mmap_events) {
2208 script->tool.mmap = process_mmap_event;
2209 script->tool.mmap2 = process_mmap2_event;
2210 }
2211 if (script->show_switch_events)
2212 script->tool.context_switch = process_switch_event;
2213 if (script->show_namespace_events)
2214 script->tool.namespaces = process_namespaces_event;
2215 if (script->show_lost_events)
2216 script->tool.lost = process_lost_event;
2217 if (script->show_round_events) {
2218 script->tool.ordered_events = false;
2219 script->tool.finished_round = process_finished_round_event;
2220 }
2221
2222 if (perf_script__setup_per_event_dump(script)) {
2223 pr_err("Couldn't create the per event dump files\n");
2224 return -1;
2225 }
2226
2227 ret = perf_session__process_events(script->session);
2228
2229 if (script->per_event_dump)
2230 perf_script__exit_per_event_dump_stats(script);
2231
2232 if (debug_mode)
2233 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2234
2235 return ret;
2236}
2237
2238struct script_spec {
2239 struct list_head node;
2240 struct scripting_ops *ops;
2241 char spec[0];
2242};
2243
2244static LIST_HEAD(script_specs);
2245
2246static struct script_spec *script_spec__new(const char *spec,
2247 struct scripting_ops *ops)
2248{
2249 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2250
2251 if (s != NULL) {
2252 strcpy(s->spec, spec);
2253 s->ops = ops;
2254 }
2255
2256 return s;
2257}
2258
2259static void script_spec__add(struct script_spec *s)
2260{
2261 list_add_tail(&s->node, &script_specs);
2262}
2263
2264static struct script_spec *script_spec__find(const char *spec)
2265{
2266 struct script_spec *s;
2267
2268 list_for_each_entry(s, &script_specs, node)
2269 if (strcasecmp(s->spec, spec) == 0)
2270 return s;
2271 return NULL;
2272}
2273
2274int script_spec_register(const char *spec, struct scripting_ops *ops)
2275{
2276 struct script_spec *s;
2277
2278 s = script_spec__find(spec);
2279 if (s)
2280 return -1;
2281
2282 s = script_spec__new(spec, ops);
2283 if (!s)
2284 return -1;
2285 else
2286 script_spec__add(s);
2287
2288 return 0;
2289}
2290
2291static struct scripting_ops *script_spec__lookup(const char *spec)
2292{
2293 struct script_spec *s = script_spec__find(spec);
2294 if (!s)
2295 return NULL;
2296
2297 return s->ops;
2298}
2299
2300static void list_available_languages(void)
2301{
2302 struct script_spec *s;
2303
2304 fprintf(stderr, "\n");
2305 fprintf(stderr, "Scripting language extensions (used in "
2306 "perf script -s [spec:]script.[spec]):\n\n");
2307
2308 list_for_each_entry(s, &script_specs, node)
2309 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2310
2311 fprintf(stderr, "\n");
2312}
2313
2314static int parse_scriptname(const struct option *opt __maybe_unused,
2315 const char *str, int unset __maybe_unused)
2316{
2317 char spec[PATH_MAX];
2318 const char *script, *ext;
2319 int len;
2320
2321 if (strcmp(str, "lang") == 0) {
2322 list_available_languages();
2323 exit(0);
2324 }
2325
2326 script = strchr(str, ':');
2327 if (script) {
2328 len = script - str;
2329 if (len >= PATH_MAX) {
2330 fprintf(stderr, "invalid language specifier");
2331 return -1;
2332 }
2333 strncpy(spec, str, len);
2334 spec[len] = '\0';
2335 scripting_ops = script_spec__lookup(spec);
2336 if (!scripting_ops) {
2337 fprintf(stderr, "invalid language specifier");
2338 return -1;
2339 }
2340 script++;
2341 } else {
2342 script = str;
2343 ext = strrchr(script, '.');
2344 if (!ext) {
2345 fprintf(stderr, "invalid script extension");
2346 return -1;
2347 }
2348 scripting_ops = script_spec__lookup(++ext);
2349 if (!scripting_ops) {
2350 fprintf(stderr, "invalid script extension");
2351 return -1;
2352 }
2353 }
2354
2355 script_name = strdup(script);
2356
2357 return 0;
2358}
2359
2360static int parse_output_fields(const struct option *opt __maybe_unused,
2361 const char *arg, int unset __maybe_unused)
2362{
2363 char *tok, *strtok_saveptr = NULL;
2364 int i, imax = ARRAY_SIZE(all_output_options);
2365 int j;
2366 int rc = 0;
2367 char *str = strdup(arg);
2368 int type = -1;
2369 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2370
2371 if (!str)
2372 return -ENOMEM;
2373
2374 /* first word can state for which event type the user is specifying
2375 * the fields. If no type exists, the specified fields apply to all
2376 * event types found in the file minus the invalid fields for a type.
2377 */
2378 tok = strchr(str, ':');
2379 if (tok) {
2380 *tok = '\0';
2381 tok++;
2382 if (!strcmp(str, "hw"))
2383 type = PERF_TYPE_HARDWARE;
2384 else if (!strcmp(str, "sw"))
2385 type = PERF_TYPE_SOFTWARE;
2386 else if (!strcmp(str, "trace"))
2387 type = PERF_TYPE_TRACEPOINT;
2388 else if (!strcmp(str, "raw"))
2389 type = PERF_TYPE_RAW;
2390 else if (!strcmp(str, "break"))
2391 type = PERF_TYPE_BREAKPOINT;
2392 else if (!strcmp(str, "synth"))
2393 type = OUTPUT_TYPE_SYNTH;
2394 else {
2395 fprintf(stderr, "Invalid event type in field string.\n");
2396 rc = -EINVAL;
2397 goto out;
2398 }
2399
2400 if (output[type].user_set)
2401 pr_warning("Overriding previous field request for %s events.\n",
2402 event_type(type));
2403
2404 output[type].fields = 0;
2405 output[type].user_set = true;
2406 output[type].wildcard_set = false;
2407
2408 } else {
2409 tok = str;
2410 if (strlen(str) == 0) {
2411 fprintf(stderr,
2412 "Cannot set fields to 'none' for all event types.\n");
2413 rc = -EINVAL;
2414 goto out;
2415 }
2416
2417 /* Don't override defaults for +- */
2418 if (strchr(str, '+') || strchr(str, '-'))
2419 goto parse;
2420
2421 if (output_set_by_user())
2422 pr_warning("Overriding previous field request for all events.\n");
2423
2424 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2425 output[j].fields = 0;
2426 output[j].user_set = true;
2427 output[j].wildcard_set = true;
2428 }
2429 }
2430
2431parse:
2432 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2433 if (*tok == '+') {
2434 if (change == SET)
2435 goto out_badmix;
2436 change = ADD;
2437 tok++;
2438 } else if (*tok == '-') {
2439 if (change == SET)
2440 goto out_badmix;
2441 change = REMOVE;
2442 tok++;
2443 } else {
2444 if (change != SET && change != DEFAULT)
2445 goto out_badmix;
2446 change = SET;
2447 }
2448
2449 for (i = 0; i < imax; ++i) {
2450 if (strcmp(tok, all_output_options[i].str) == 0)
2451 break;
2452 }
2453 if (i == imax && strcmp(tok, "flags") == 0) {
2454 print_flags = change == REMOVE ? false : true;
2455 continue;
2456 }
2457 if (i == imax) {
2458 fprintf(stderr, "Invalid field requested.\n");
2459 rc = -EINVAL;
2460 goto out;
2461 }
2462
2463 if (type == -1) {
2464 /* add user option to all events types for
2465 * which it is valid
2466 */
2467 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2468 if (output[j].invalid_fields & all_output_options[i].field) {
2469 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2470 all_output_options[i].str, event_type(j));
2471 } else {
2472 if (change == REMOVE)
2473 output[j].fields &= ~all_output_options[i].field;
2474 else
2475 output[j].fields |= all_output_options[i].field;
2476 }
2477 }
2478 } else {
2479 if (output[type].invalid_fields & all_output_options[i].field) {
2480 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2481 all_output_options[i].str, event_type(type));
2482
2483 rc = -EINVAL;
2484 goto out;
2485 }
2486 output[type].fields |= all_output_options[i].field;
2487 }
2488 }
2489
2490 if (type >= 0) {
2491 if (output[type].fields == 0) {
2492 pr_debug("No fields requested for %s type. "
2493 "Events will not be displayed.\n", event_type(type));
2494 }
2495 }
2496 goto out;
2497
2498out_badmix:
2499 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2500 rc = -EINVAL;
2501out:
2502 free(str);
2503 return rc;
2504}
2505
2506#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2507 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2508 if ((lang_dirent->d_type == DT_DIR || \
2509 (lang_dirent->d_type == DT_UNKNOWN && \
2510 is_directory(scripts_path, lang_dirent))) && \
2511 (strcmp(lang_dirent->d_name, ".")) && \
2512 (strcmp(lang_dirent->d_name, "..")))
2513
2514#define for_each_script(lang_path, lang_dir, script_dirent) \
2515 while ((script_dirent = readdir(lang_dir)) != NULL) \
2516 if (script_dirent->d_type != DT_DIR && \
2517 (script_dirent->d_type != DT_UNKNOWN || \
2518 !is_directory(lang_path, script_dirent)))
2519
2520
2521#define RECORD_SUFFIX "-record"
2522#define REPORT_SUFFIX "-report"
2523
2524struct script_desc {
2525 struct list_head node;
2526 char *name;
2527 char *half_liner;
2528 char *args;
2529};
2530
2531static LIST_HEAD(script_descs);
2532
2533static struct script_desc *script_desc__new(const char *name)
2534{
2535 struct script_desc *s = zalloc(sizeof(*s));
2536
2537 if (s != NULL && name)
2538 s->name = strdup(name);
2539
2540 return s;
2541}
2542
2543static void script_desc__delete(struct script_desc *s)
2544{
2545 zfree(&s->name);
2546 zfree(&s->half_liner);
2547 zfree(&s->args);
2548 free(s);
2549}
2550
2551static void script_desc__add(struct script_desc *s)
2552{
2553 list_add_tail(&s->node, &script_descs);
2554}
2555
2556static struct script_desc *script_desc__find(const char *name)
2557{
2558 struct script_desc *s;
2559
2560 list_for_each_entry(s, &script_descs, node)
2561 if (strcasecmp(s->name, name) == 0)
2562 return s;
2563 return NULL;
2564}
2565
2566static struct script_desc *script_desc__findnew(const char *name)
2567{
2568 struct script_desc *s = script_desc__find(name);
2569
2570 if (s)
2571 return s;
2572
2573 s = script_desc__new(name);
2574 if (!s)
2575 return NULL;
2576
2577 script_desc__add(s);
2578
2579 return s;
2580}
2581
2582static const char *ends_with(const char *str, const char *suffix)
2583{
2584 size_t suffix_len = strlen(suffix);
2585 const char *p = str;
2586
2587 if (strlen(str) > suffix_len) {
2588 p = str + strlen(str) - suffix_len;
2589 if (!strncmp(p, suffix, suffix_len))
2590 return p;
2591 }
2592
2593 return NULL;
2594}
2595
2596static int read_script_info(struct script_desc *desc, const char *filename)
2597{
2598 char line[BUFSIZ], *p;
2599 FILE *fp;
2600
2601 fp = fopen(filename, "r");
2602 if (!fp)
2603 return -1;
2604
2605 while (fgets(line, sizeof(line), fp)) {
2606 p = ltrim(line);
2607 if (strlen(p) == 0)
2608 continue;
2609 if (*p != '#')
2610 continue;
2611 p++;
2612 if (strlen(p) && *p == '!')
2613 continue;
2614
2615 p = ltrim(p);
2616 if (strlen(p) && p[strlen(p) - 1] == '\n')
2617 p[strlen(p) - 1] = '\0';
2618
2619 if (!strncmp(p, "description:", strlen("description:"))) {
2620 p += strlen("description:");
2621 desc->half_liner = strdup(ltrim(p));
2622 continue;
2623 }
2624
2625 if (!strncmp(p, "args:", strlen("args:"))) {
2626 p += strlen("args:");
2627 desc->args = strdup(ltrim(p));
2628 continue;
2629 }
2630 }
2631
2632 fclose(fp);
2633
2634 return 0;
2635}
2636
2637static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2638{
2639 char *script_root, *str;
2640
2641 script_root = strdup(script_dirent->d_name);
2642 if (!script_root)
2643 return NULL;
2644
2645 str = (char *)ends_with(script_root, suffix);
2646 if (!str) {
2647 free(script_root);
2648 return NULL;
2649 }
2650
2651 *str = '\0';
2652 return script_root;
2653}
2654
2655static int list_available_scripts(const struct option *opt __maybe_unused,
2656 const char *s __maybe_unused,
2657 int unset __maybe_unused)
2658{
2659 struct dirent *script_dirent, *lang_dirent;
2660 char scripts_path[MAXPATHLEN];
2661 DIR *scripts_dir, *lang_dir;
2662 char script_path[MAXPATHLEN];
2663 char lang_path[MAXPATHLEN];
2664 struct script_desc *desc;
2665 char first_half[BUFSIZ];
2666 char *script_root;
2667
2668 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2669
2670 scripts_dir = opendir(scripts_path);
2671 if (!scripts_dir) {
2672 fprintf(stdout,
2673 "open(%s) failed.\n"
2674 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2675 scripts_path);
2676 exit(-1);
2677 }
2678
2679 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2680 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2681 lang_dirent->d_name);
2682 lang_dir = opendir(lang_path);
2683 if (!lang_dir)
2684 continue;
2685
2686 for_each_script(lang_path, lang_dir, script_dirent) {
2687 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2688 if (script_root) {
2689 desc = script_desc__findnew(script_root);
2690 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2691 lang_path, script_dirent->d_name);
2692 read_script_info(desc, script_path);
2693 free(script_root);
2694 }
2695 }
2696 }
2697
2698 fprintf(stdout, "List of available trace scripts:\n");
2699 list_for_each_entry(desc, &script_descs, node) {
2700 sprintf(first_half, "%s %s", desc->name,
2701 desc->args ? desc->args : "");
2702 fprintf(stdout, " %-36s %s\n", first_half,
2703 desc->half_liner ? desc->half_liner : "");
2704 }
2705
2706 exit(0);
2707}
2708
2709/*
2710 * Some scripts specify the required events in their "xxx-record" file,
2711 * this function will check if the events in perf.data match those
2712 * mentioned in the "xxx-record".
2713 *
2714 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2715 * which is covered well now. And new parsing code should be added to
2716 * cover the future complexing formats like event groups etc.
2717 */
2718static int check_ev_match(char *dir_name, char *scriptname,
2719 struct perf_session *session)
2720{
2721 char filename[MAXPATHLEN], evname[128];
2722 char line[BUFSIZ], *p;
2723 struct perf_evsel *pos;
2724 int match, len;
2725 FILE *fp;
2726
2727 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2728
2729 fp = fopen(filename, "r");
2730 if (!fp)
2731 return -1;
2732
2733 while (fgets(line, sizeof(line), fp)) {
2734 p = ltrim(line);
2735 if (*p == '#')
2736 continue;
2737
2738 while (strlen(p)) {
2739 p = strstr(p, "-e");
2740 if (!p)
2741 break;
2742
2743 p += 2;
2744 p = ltrim(p);
2745 len = strcspn(p, " \t");
2746 if (!len)
2747 break;
2748
2749 snprintf(evname, len + 1, "%s", p);
2750
2751 match = 0;
2752 evlist__for_each_entry(session->evlist, pos) {
2753 if (!strcmp(perf_evsel__name(pos), evname)) {
2754 match = 1;
2755 break;
2756 }
2757 }
2758
2759 if (!match) {
2760 fclose(fp);
2761 return -1;
2762 }
2763 }
2764 }
2765
2766 fclose(fp);
2767 return 0;
2768}
2769
2770/*
2771 * Return -1 if none is found, otherwise the actual scripts number.
2772 *
2773 * Currently the only user of this function is the script browser, which
2774 * will list all statically runnable scripts, select one, execute it and
2775 * show the output in a perf browser.
2776 */
2777int find_scripts(char **scripts_array, char **scripts_path_array)
2778{
2779 struct dirent *script_dirent, *lang_dirent;
2780 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2781 DIR *scripts_dir, *lang_dir;
2782 struct perf_session *session;
2783 struct perf_data data = {
2784 .file = {
2785 .path = input_name,
2786 },
2787 .mode = PERF_DATA_MODE_READ,
2788 };
2789 char *temp;
2790 int i = 0;
2791
2792 session = perf_session__new(&data, false, NULL);
2793 if (!session)
2794 return -1;
2795
2796 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2797
2798 scripts_dir = opendir(scripts_path);
2799 if (!scripts_dir) {
2800 perf_session__delete(session);
2801 return -1;
2802 }
2803
2804 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2805 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2806 lang_dirent->d_name);
2807#ifndef HAVE_LIBPERL_SUPPORT
2808 if (strstr(lang_path, "perl"))
2809 continue;
2810#endif
2811#ifndef HAVE_LIBPYTHON_SUPPORT
2812 if (strstr(lang_path, "python"))
2813 continue;
2814#endif
2815
2816 lang_dir = opendir(lang_path);
2817 if (!lang_dir)
2818 continue;
2819
2820 for_each_script(lang_path, lang_dir, script_dirent) {
2821 /* Skip those real time scripts: xxxtop.p[yl] */
2822 if (strstr(script_dirent->d_name, "top."))
2823 continue;
2824 sprintf(scripts_path_array[i], "%s/%s", lang_path,
2825 script_dirent->d_name);
2826 temp = strchr(script_dirent->d_name, '.');
2827 snprintf(scripts_array[i],
2828 (temp - script_dirent->d_name) + 1,
2829 "%s", script_dirent->d_name);
2830
2831 if (check_ev_match(lang_path,
2832 scripts_array[i], session))
2833 continue;
2834
2835 i++;
2836 }
2837 closedir(lang_dir);
2838 }
2839
2840 closedir(scripts_dir);
2841 perf_session__delete(session);
2842 return i;
2843}
2844
2845static char *get_script_path(const char *script_root, const char *suffix)
2846{
2847 struct dirent *script_dirent, *lang_dirent;
2848 char scripts_path[MAXPATHLEN];
2849 char script_path[MAXPATHLEN];
2850 DIR *scripts_dir, *lang_dir;
2851 char lang_path[MAXPATHLEN];
2852 char *__script_root;
2853
2854 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2855
2856 scripts_dir = opendir(scripts_path);
2857 if (!scripts_dir)
2858 return NULL;
2859
2860 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2861 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2862 lang_dirent->d_name);
2863 lang_dir = opendir(lang_path);
2864 if (!lang_dir)
2865 continue;
2866
2867 for_each_script(lang_path, lang_dir, script_dirent) {
2868 __script_root = get_script_root(script_dirent, suffix);
2869 if (__script_root && !strcmp(script_root, __script_root)) {
2870 free(__script_root);
2871 closedir(lang_dir);
2872 closedir(scripts_dir);
2873 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2874 lang_path, script_dirent->d_name);
2875 return strdup(script_path);
2876 }
2877 free(__script_root);
2878 }
2879 closedir(lang_dir);
2880 }
2881 closedir(scripts_dir);
2882
2883 return NULL;
2884}
2885
2886static bool is_top_script(const char *script_path)
2887{
2888 return ends_with(script_path, "top") == NULL ? false : true;
2889}
2890
2891static int has_required_arg(char *script_path)
2892{
2893 struct script_desc *desc;
2894 int n_args = 0;
2895 char *p;
2896
2897 desc = script_desc__new(NULL);
2898
2899 if (read_script_info(desc, script_path))
2900 goto out;
2901
2902 if (!desc->args)
2903 goto out;
2904
2905 for (p = desc->args; *p; p++)
2906 if (*p == '<')
2907 n_args++;
2908out:
2909 script_desc__delete(desc);
2910
2911 return n_args;
2912}
2913
2914static int have_cmd(int argc, const char **argv)
2915{
2916 char **__argv = malloc(sizeof(const char *) * argc);
2917
2918 if (!__argv) {
2919 pr_err("malloc failed\n");
2920 return -1;
2921 }
2922
2923 memcpy(__argv, argv, sizeof(const char *) * argc);
2924 argc = parse_options(argc, (const char **)__argv, record_options,
2925 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2926 free(__argv);
2927
2928 system_wide = (argc == 0);
2929
2930 return 0;
2931}
2932
2933static void script__setup_sample_type(struct perf_script *script)
2934{
2935 struct perf_session *session = script->session;
2936 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2937
2938 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2939 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2940 (sample_type & PERF_SAMPLE_STACK_USER)) {
2941 callchain_param.record_mode = CALLCHAIN_DWARF;
2942 dwarf_callchain_users = true;
2943 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2944 callchain_param.record_mode = CALLCHAIN_LBR;
2945 else
2946 callchain_param.record_mode = CALLCHAIN_FP;
2947 }
2948}
2949
2950static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2951 union perf_event *event,
2952 struct perf_session *session)
2953{
2954 struct stat_round_event *round = &event->stat_round;
2955 struct perf_evsel *counter;
2956
2957 evlist__for_each_entry(session->evlist, counter) {
2958 perf_stat_process_counter(&stat_config, counter);
2959 process_stat(counter, round->time);
2960 }
2961
2962 process_stat_interval(round->time);
2963 return 0;
2964}
2965
2966static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2967 union perf_event *event,
2968 struct perf_session *session __maybe_unused)
2969{
2970 perf_event__read_stat_config(&stat_config, &event->stat_config);
2971 return 0;
2972}
2973
2974static int set_maps(struct perf_script *script)
2975{
2976 struct perf_evlist *evlist = script->session->evlist;
2977
2978 if (!script->cpus || !script->threads)
2979 return 0;
2980
2981 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2982 return -EINVAL;
2983
2984 perf_evlist__set_maps(evlist, script->cpus, script->threads);
2985
2986 if (perf_evlist__alloc_stats(evlist, true))
2987 return -ENOMEM;
2988
2989 script->allocated = true;
2990 return 0;
2991}
2992
2993static
2994int process_thread_map_event(struct perf_tool *tool,
2995 union perf_event *event,
2996 struct perf_session *session __maybe_unused)
2997{
2998 struct perf_script *script = container_of(tool, struct perf_script, tool);
2999
3000 if (script->threads) {
3001 pr_warning("Extra thread map event, ignoring.\n");
3002 return 0;
3003 }
3004
3005 script->threads = thread_map__new_event(&event->thread_map);
3006 if (!script->threads)
3007 return -ENOMEM;
3008
3009 return set_maps(script);
3010}
3011
3012static
3013int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
3014 union perf_event *event,
3015 struct perf_session *session __maybe_unused)
3016{
3017 struct perf_script *script = container_of(tool, struct perf_script, tool);
3018
3019 if (script->cpus) {
3020 pr_warning("Extra cpu map event, ignoring.\n");
3021 return 0;
3022 }
3023
3024 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3025 if (!script->cpus)
3026 return -ENOMEM;
3027
3028 return set_maps(script);
3029}
3030
3031#ifdef HAVE_AUXTRACE_SUPPORT
3032static int perf_script__process_auxtrace_info(struct perf_tool *tool,
3033 union perf_event *event,
3034 struct perf_session *session)
3035{
3036 int ret = perf_event__process_auxtrace_info(tool, event, session);
3037
3038 if (ret == 0) {
3039 struct perf_script *script = container_of(tool, struct perf_script, tool);
3040
3041 ret = perf_script__setup_per_event_dump(script);
3042 }
3043
3044 return ret;
3045}
3046#else
3047#define perf_script__process_auxtrace_info 0
3048#endif
3049
3050int cmd_script(int argc, const char **argv)
3051{
3052 bool show_full_info = false;
3053 bool header = false;
3054 bool header_only = false;
3055 bool script_started = false;
3056 char *rec_script_path = NULL;
3057 char *rep_script_path = NULL;
3058 struct perf_session *session;
3059 struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3060 char *script_path = NULL;
3061 const char **__argv;
3062 int i, j, err = 0;
3063 struct perf_script script = {
3064 .tool = {
3065 .sample = process_sample_event,
3066 .mmap = perf_event__process_mmap,
3067 .mmap2 = perf_event__process_mmap2,
3068 .comm = perf_event__process_comm,
3069 .namespaces = perf_event__process_namespaces,
3070 .exit = perf_event__process_exit,
3071 .fork = perf_event__process_fork,
3072 .attr = process_attr,
3073 .event_update = perf_event__process_event_update,
3074 .tracing_data = perf_event__process_tracing_data,
3075 .feature = perf_event__process_feature,
3076 .build_id = perf_event__process_build_id,
3077 .id_index = perf_event__process_id_index,
3078 .auxtrace_info = perf_script__process_auxtrace_info,
3079 .auxtrace = perf_event__process_auxtrace,
3080 .auxtrace_error = perf_event__process_auxtrace_error,
3081 .stat = perf_event__process_stat_event,
3082 .stat_round = process_stat_round_event,
3083 .stat_config = process_stat_config_event,
3084 .thread_map = process_thread_map_event,
3085 .cpu_map = process_cpu_map_event,
3086 .ordered_events = true,
3087 .ordering_requires_timestamps = true,
3088 },
3089 };
3090 struct perf_data data = {
3091 .mode = PERF_DATA_MODE_READ,
3092 };
3093 const struct option options[] = {
3094 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3095 "dump raw trace in ASCII"),
3096 OPT_INCR('v', "verbose", &verbose,
3097 "be more verbose (show symbol address, etc)"),
3098 OPT_BOOLEAN('L', "Latency", &latency_format,
3099 "show latency attributes (irqs/preemption disabled, etc)"),
3100 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3101 list_available_scripts),
3102 OPT_CALLBACK('s', "script", NULL, "name",
3103 "script file name (lang:script name, script name, or *)",
3104 parse_scriptname),
3105 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3106 "generate perf-script.xx script in specified language"),
3107 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3108 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3109 "do various checks like samples ordering and lost events"),
3110 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3111 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3112 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3113 "file", "vmlinux pathname"),
3114 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3115 "file", "kallsyms pathname"),
3116 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3117 "When printing symbols do not display call chain"),
3118 OPT_CALLBACK(0, "symfs", NULL, "directory",
3119 "Look for files with symbols relative to this directory",
3120 symbol__config_symfs),
3121 OPT_CALLBACK('F', "fields", NULL, "str",
3122 "comma separated output fields prepend with 'type:'. "
3123 "+field to add and -field to remove."
3124 "Valid types: hw,sw,trace,raw,synth. "
3125 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3126 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3127 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3128 parse_output_fields),
3129 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3130 "system-wide collection from all CPUs"),
3131 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3132 "only consider these symbols"),
3133 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3134 "Stop display of callgraph at these symbols"),
3135 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3136 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3137 "only display events for these comms"),
3138 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3139 "only consider symbols in these pids"),
3140 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3141 "only consider symbols in these tids"),
3142 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3143 "Set the maximum stack depth when parsing the callchain, "
3144 "anything beyond the specified depth will be ignored. "
3145 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3146 OPT_BOOLEAN('I', "show-info", &show_full_info,
3147 "display extended information from perf.data file"),
3148 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3149 "Show the path of [kernel.kallsyms]"),
3150 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3151 "Show the fork/comm/exit events"),
3152 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3153 "Show the mmap events"),
3154 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3155 "Show context switch events (if recorded)"),
3156 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3157 "Show namespace events (if recorded)"),
3158 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3159 "Show lost events (if recorded)"),
3160 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3161 "Show round events (if recorded)"),
3162 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3163 "Dump trace output to files named by the monitored events"),
3164 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3165 OPT_INTEGER(0, "max-blocks", &max_blocks,
3166 "Maximum number of code blocks to dump with brstackinsn"),
3167 OPT_BOOLEAN(0, "ns", &nanosecs,
3168 "Use 9 decimal places when displaying time"),
3169 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3170 "Instruction Tracing options",
3171 itrace_parse_synth_opts),
3172 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3173 "Show full source file name path for source lines"),
3174 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3175 "Enable symbol demangling"),
3176 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3177 "Enable kernel symbol demangling"),
3178 OPT_STRING(0, "time", &script.time_str, "str",
3179 "Time span of interest (start,stop)"),
3180 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3181 "Show inline function"),
3182 OPT_END()
3183 };
3184 const char * const script_subcommands[] = { "record", "report", NULL };
3185 const char *script_usage[] = {
3186 "perf script [<options>]",
3187 "perf script [<options>] record <script> [<record-options>] <command>",
3188 "perf script [<options>] report <script> [script-args]",
3189 "perf script [<options>] <script> [<record-options>] <command>",
3190 "perf script [<options>] <top-script> [script-args]",
3191 NULL
3192 };
3193
3194 perf_set_singlethreaded();
3195
3196 setup_scripting();
3197
3198 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3199 PARSE_OPT_STOP_AT_NON_OPTION);
3200
3201 data.file.path = input_name;
3202 data.force = symbol_conf.force;
3203
3204 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3205 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3206 if (!rec_script_path)
3207 return cmd_record(argc, argv);
3208 }
3209
3210 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3211 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3212 if (!rep_script_path) {
3213 fprintf(stderr,
3214 "Please specify a valid report script"
3215 "(see 'perf script -l' for listing)\n");
3216 return -1;
3217 }
3218 }
3219
3220 if (itrace_synth_opts.callchain &&
3221 itrace_synth_opts.callchain_sz > scripting_max_stack)
3222 scripting_max_stack = itrace_synth_opts.callchain_sz;
3223
3224 /* make sure PERF_EXEC_PATH is set for scripts */
3225 set_argv_exec_path(get_argv_exec_path());
3226
3227 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3228 int live_pipe[2];
3229 int rep_args;
3230 pid_t pid;
3231
3232 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3233 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3234
3235 if (!rec_script_path && !rep_script_path) {
3236 usage_with_options_msg(script_usage, options,
3237 "Couldn't find script `%s'\n\n See perf"
3238 " script -l for available scripts.\n", argv[0]);
3239 }
3240
3241 if (is_top_script(argv[0])) {
3242 rep_args = argc - 1;
3243 } else {
3244 int rec_args;
3245
3246 rep_args = has_required_arg(rep_script_path);
3247 rec_args = (argc - 1) - rep_args;
3248 if (rec_args < 0) {
3249 usage_with_options_msg(script_usage, options,
3250 "`%s' script requires options."
3251 "\n\n See perf script -l for available "
3252 "scripts and options.\n", argv[0]);
3253 }
3254 }
3255
3256 if (pipe(live_pipe) < 0) {
3257 perror("failed to create pipe");
3258 return -1;
3259 }
3260
3261 pid = fork();
3262 if (pid < 0) {
3263 perror("failed to fork");
3264 return -1;
3265 }
3266
3267 if (!pid) {
3268 j = 0;
3269
3270 dup2(live_pipe[1], 1);
3271 close(live_pipe[0]);
3272
3273 if (is_top_script(argv[0])) {
3274 system_wide = true;
3275 } else if (!system_wide) {
3276 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3277 err = -1;
3278 goto out;
3279 }
3280 }
3281
3282 __argv = malloc((argc + 6) * sizeof(const char *));
3283 if (!__argv) {
3284 pr_err("malloc failed\n");
3285 err = -ENOMEM;
3286 goto out;
3287 }
3288
3289 __argv[j++] = "/bin/sh";
3290 __argv[j++] = rec_script_path;
3291 if (system_wide)
3292 __argv[j++] = "-a";
3293 __argv[j++] = "-q";
3294 __argv[j++] = "-o";
3295 __argv[j++] = "-";
3296 for (i = rep_args + 1; i < argc; i++)
3297 __argv[j++] = argv[i];
3298 __argv[j++] = NULL;
3299
3300 execvp("/bin/sh", (char **)__argv);
3301 free(__argv);
3302 exit(-1);
3303 }
3304
3305 dup2(live_pipe[0], 0);
3306 close(live_pipe[1]);
3307
3308 __argv = malloc((argc + 4) * sizeof(const char *));
3309 if (!__argv) {
3310 pr_err("malloc failed\n");
3311 err = -ENOMEM;
3312 goto out;
3313 }
3314
3315 j = 0;
3316 __argv[j++] = "/bin/sh";
3317 __argv[j++] = rep_script_path;
3318 for (i = 1; i < rep_args + 1; i++)
3319 __argv[j++] = argv[i];
3320 __argv[j++] = "-i";
3321 __argv[j++] = "-";
3322 __argv[j++] = NULL;
3323
3324 execvp("/bin/sh", (char **)__argv);
3325 free(__argv);
3326 exit(-1);
3327 }
3328
3329 if (rec_script_path)
3330 script_path = rec_script_path;
3331 if (rep_script_path)
3332 script_path = rep_script_path;
3333
3334 if (script_path) {
3335 j = 0;
3336
3337 if (!rec_script_path)
3338 system_wide = false;
3339 else if (!system_wide) {
3340 if (have_cmd(argc - 1, &argv[1]) != 0) {
3341 err = -1;
3342 goto out;
3343 }
3344 }
3345
3346 __argv = malloc((argc + 2) * sizeof(const char *));
3347 if (!__argv) {
3348 pr_err("malloc failed\n");
3349 err = -ENOMEM;
3350 goto out;
3351 }
3352
3353 __argv[j++] = "/bin/sh";
3354 __argv[j++] = script_path;
3355 if (system_wide)
3356 __argv[j++] = "-a";
3357 for (i = 2; i < argc; i++)
3358 __argv[j++] = argv[i];
3359 __argv[j++] = NULL;
3360
3361 execvp("/bin/sh", (char **)__argv);
3362 free(__argv);
3363 exit(-1);
3364 }
3365
3366 if (!script_name)
3367 setup_pager();
3368
3369 session = perf_session__new(&data, false, &script.tool);
3370 if (session == NULL)
3371 return -1;
3372
3373 if (header || header_only) {
3374 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3375 perf_session__fprintf_info(session, stdout, show_full_info);
3376 if (header_only)
3377 goto out_delete;
3378 }
3379 if (show_full_info)
3380 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3381
3382 if (symbol__init(&session->header.env) < 0)
3383 goto out_delete;
3384
3385 script.session = session;
3386 script__setup_sample_type(&script);
3387
3388 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
3389 itrace_synth_opts.thread_stack = true;
3390
3391 session->itrace_synth_opts = &itrace_synth_opts;
3392
3393 if (cpu_list) {
3394 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3395 if (err < 0)
3396 goto out_delete;
3397 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3398 }
3399
3400 if (!no_callchain)
3401 symbol_conf.use_callchain = true;
3402 else
3403 symbol_conf.use_callchain = false;
3404
3405 if (session->tevent.pevent &&
3406 pevent_set_function_resolver(session->tevent.pevent,
3407 machine__resolve_kernel_addr,
3408 &session->machines.host) < 0) {
3409 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3410 err = -1;
3411 goto out_delete;
3412 }
3413
3414 if (generate_script_lang) {
3415 struct stat perf_stat;
3416 int input;
3417
3418 if (output_set_by_user()) {
3419 fprintf(stderr,
3420 "custom fields not supported for generated scripts");
3421 err = -EINVAL;
3422 goto out_delete;
3423 }
3424
3425 input = open(data.file.path, O_RDONLY); /* input_name */
3426 if (input < 0) {
3427 err = -errno;
3428 perror("failed to open file");
3429 goto out_delete;
3430 }
3431
3432 err = fstat(input, &perf_stat);
3433 if (err < 0) {
3434 perror("failed to stat file");
3435 goto out_delete;
3436 }
3437
3438 if (!perf_stat.st_size) {
3439 fprintf(stderr, "zero-sized file, nothing to do!\n");
3440 goto out_delete;
3441 }
3442
3443 scripting_ops = script_spec__lookup(generate_script_lang);
3444 if (!scripting_ops) {
3445 fprintf(stderr, "invalid language specifier");
3446 err = -ENOENT;
3447 goto out_delete;
3448 }
3449
3450 err = scripting_ops->generate_script(session->tevent.pevent,
3451 "perf-script");
3452 goto out_delete;
3453 }
3454
3455 if (script_name) {
3456 err = scripting_ops->start_script(script_name, argc, argv);
3457 if (err)
3458 goto out_delete;
3459 pr_debug("perf script started with script %s\n\n", script_name);
3460 script_started = true;
3461 }
3462
3463
3464 err = perf_session__check_output_opt(session);
3465 if (err < 0)
3466 goto out_delete;
3467
3468 script.ptime_range = perf_time__range_alloc(script.time_str,
3469 &script.range_size);
3470 if (!script.ptime_range) {
3471 err = -ENOMEM;
3472 goto out_delete;
3473 }
3474
3475 /* needs to be parsed after looking up reference time */
3476 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3477 if (session->evlist->first_sample_time == 0 &&
3478 session->evlist->last_sample_time == 0) {
3479 pr_err("HINT: no first/last sample time found in perf data.\n"
3480 "Please use latest perf binary to execute 'perf record'\n"
3481 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3482 err = -EINVAL;
3483 goto out_delete;
3484 }
3485
3486 script.range_num = perf_time__percent_parse_str(
3487 script.ptime_range, script.range_size,
3488 script.time_str,
3489 session->evlist->first_sample_time,
3490 session->evlist->last_sample_time);
3491
3492 if (script.range_num < 0) {
3493 pr_err("Invalid time string\n");
3494 err = -EINVAL;
3495 goto out_delete;
3496 }
3497 } else {
3498 script.range_num = 1;
3499 }
3500
3501 err = __cmd_script(&script);
3502
3503 flush_scripting();
3504
3505out_delete:
3506 zfree(&script.ptime_range);
3507
3508 perf_evlist__free_stats(session->evlist);
3509 perf_session__delete(session);
3510
3511 if (script_started)
3512 cleanup_scripting();
3513out:
3514 return err;
3515}