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