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1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3
4 #include "perf.h"
5 #include "util/cache.h"
6 #include "util/debug.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/symbol.h"
14 #include "util/thread.h"
15 #include "util/trace-event.h"
16 #include "util/util.h"
17 #include "util/evlist.h"
18 #include "util/evsel.h"
19 #include "util/sort.h"
20 #include "util/data.h"
21 #include "util/auxtrace.h"
22 #include "util/cpumap.h"
23 #include "util/thread_map.h"
24 #include "util/stat.h"
25 #include "util/color.h"
26 #include "util/string2.h"
27 #include "util/thread-stack.h"
28 #include "util/time-utils.h"
29 #include "util/path.h"
30 #include "print_binary.h"
31 #include <linux/bitmap.h>
32 #include <linux/kernel.h>
33 #include <linux/stringify.h>
34 #include <linux/time64.h>
35 #include "asm/bug.h"
36 #include "util/mem-events.h"
37 #include "util/dump-insn.h"
38 #include <dirent.h>
39 #include <errno.h>
40 #include <inttypes.h>
41 #include <signal.h>
42 #include <sys/param.h>
43 #include <sys/types.h>
44 #include <sys/stat.h>
45 #include <unistd.h>
46
47 #include "sane_ctype.h"
48
49 static char const *script_name;
50 static char const *generate_script_lang;
51 static bool debug_mode;
52 static u64 last_timestamp;
53 static u64 nr_unordered;
54 static bool no_callchain;
55 static bool latency_format;
56 static bool system_wide;
57 static bool print_flags;
58 static bool nanosecs;
59 static const char *cpu_list;
60 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
61 static struct perf_stat_config stat_config;
62 static int max_blocks;
63
64 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
65
66 enum perf_output_field {
67 PERF_OUTPUT_COMM = 1U << 0,
68 PERF_OUTPUT_TID = 1U << 1,
69 PERF_OUTPUT_PID = 1U << 2,
70 PERF_OUTPUT_TIME = 1U << 3,
71 PERF_OUTPUT_CPU = 1U << 4,
72 PERF_OUTPUT_EVNAME = 1U << 5,
73 PERF_OUTPUT_TRACE = 1U << 6,
74 PERF_OUTPUT_IP = 1U << 7,
75 PERF_OUTPUT_SYM = 1U << 8,
76 PERF_OUTPUT_DSO = 1U << 9,
77 PERF_OUTPUT_ADDR = 1U << 10,
78 PERF_OUTPUT_SYMOFFSET = 1U << 11,
79 PERF_OUTPUT_SRCLINE = 1U << 12,
80 PERF_OUTPUT_PERIOD = 1U << 13,
81 PERF_OUTPUT_IREGS = 1U << 14,
82 PERF_OUTPUT_BRSTACK = 1U << 15,
83 PERF_OUTPUT_BRSTACKSYM = 1U << 16,
84 PERF_OUTPUT_DATA_SRC = 1U << 17,
85 PERF_OUTPUT_WEIGHT = 1U << 18,
86 PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
87 PERF_OUTPUT_CALLINDENT = 1U << 20,
88 PERF_OUTPUT_INSN = 1U << 21,
89 PERF_OUTPUT_INSNLEN = 1U << 22,
90 PERF_OUTPUT_BRSTACKINSN = 1U << 23,
91 PERF_OUTPUT_BRSTACKOFF = 1U << 24,
92 PERF_OUTPUT_SYNTH = 1U << 25,
93 PERF_OUTPUT_PHYS_ADDR = 1U << 26,
94 PERF_OUTPUT_UREGS = 1U << 27,
95 PERF_OUTPUT_METRIC = 1U << 28,
96 };
97
98 struct output_option {
99 const char *str;
100 enum perf_output_field field;
101 } all_output_options[] = {
102 {.str = "comm", .field = PERF_OUTPUT_COMM},
103 {.str = "tid", .field = PERF_OUTPUT_TID},
104 {.str = "pid", .field = PERF_OUTPUT_PID},
105 {.str = "time", .field = PERF_OUTPUT_TIME},
106 {.str = "cpu", .field = PERF_OUTPUT_CPU},
107 {.str = "event", .field = PERF_OUTPUT_EVNAME},
108 {.str = "trace", .field = PERF_OUTPUT_TRACE},
109 {.str = "ip", .field = PERF_OUTPUT_IP},
110 {.str = "sym", .field = PERF_OUTPUT_SYM},
111 {.str = "dso", .field = PERF_OUTPUT_DSO},
112 {.str = "addr", .field = PERF_OUTPUT_ADDR},
113 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
114 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
115 {.str = "period", .field = PERF_OUTPUT_PERIOD},
116 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
117 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
118 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
119 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
120 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
121 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
122 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
123 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
124 {.str = "insn", .field = PERF_OUTPUT_INSN},
125 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
126 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
127 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
128 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
129 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
130 {.str = "metric", .field = PERF_OUTPUT_METRIC},
131 };
132
133 enum {
134 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
135 OUTPUT_TYPE_MAX
136 };
137
138 /* default set to maintain compatibility with current format */
139 static struct {
140 bool user_set;
141 bool wildcard_set;
142 unsigned int print_ip_opts;
143 u64 fields;
144 u64 invalid_fields;
145 } output[OUTPUT_TYPE_MAX] = {
146
147 [PERF_TYPE_HARDWARE] = {
148 .user_set = false,
149
150 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
151 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
152 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
153 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
154 PERF_OUTPUT_PERIOD,
155
156 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
157 },
158
159 [PERF_TYPE_SOFTWARE] = {
160 .user_set = false,
161
162 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
163 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
164 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
165 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
166 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
167
168 .invalid_fields = PERF_OUTPUT_TRACE,
169 },
170
171 [PERF_TYPE_TRACEPOINT] = {
172 .user_set = false,
173
174 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
175 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
176 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
177 },
178
179 [PERF_TYPE_RAW] = {
180 .user_set = false,
181
182 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
183 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
184 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
185 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
186 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR |
187 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT |
188 PERF_OUTPUT_PHYS_ADDR,
189
190 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
191 },
192
193 [PERF_TYPE_BREAKPOINT] = {
194 .user_set = false,
195
196 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
197 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
198 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
199 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
200 PERF_OUTPUT_PERIOD,
201
202 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
203 },
204
205 [OUTPUT_TYPE_SYNTH] = {
206 .user_set = false,
207
208 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
209 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
210 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
211 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
212 PERF_OUTPUT_SYNTH,
213
214 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
215 },
216 };
217
218 struct perf_evsel_script {
219 char *filename;
220 FILE *fp;
221 u64 samples;
222 /* For metric output */
223 u64 val;
224 int gnum;
225 };
226
227 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
228 {
229 return (struct perf_evsel_script *)evsel->priv;
230 }
231
232 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
233 struct perf_data *data)
234 {
235 struct perf_evsel_script *es = zalloc(sizeof(*es));
236
237 if (es != NULL) {
238 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
239 goto out_free;
240 es->fp = fopen(es->filename, "w");
241 if (es->fp == NULL)
242 goto out_free_filename;
243 }
244
245 return es;
246 out_free_filename:
247 zfree(&es->filename);
248 out_free:
249 free(es);
250 return NULL;
251 }
252
253 static void perf_evsel_script__delete(struct perf_evsel_script *es)
254 {
255 zfree(&es->filename);
256 fclose(es->fp);
257 es->fp = NULL;
258 free(es);
259 }
260
261 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
262 {
263 struct stat st;
264
265 fstat(fileno(es->fp), &st);
266 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
267 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
268 }
269
270 static inline int output_type(unsigned int type)
271 {
272 switch (type) {
273 case PERF_TYPE_SYNTH:
274 return OUTPUT_TYPE_SYNTH;
275 default:
276 return type;
277 }
278 }
279
280 static inline unsigned int attr_type(unsigned int type)
281 {
282 switch (type) {
283 case OUTPUT_TYPE_SYNTH:
284 return PERF_TYPE_SYNTH;
285 default:
286 return type;
287 }
288 }
289
290 static bool output_set_by_user(void)
291 {
292 int j;
293 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
294 if (output[j].user_set)
295 return true;
296 }
297 return false;
298 }
299
300 static const char *output_field2str(enum perf_output_field field)
301 {
302 int i, imax = ARRAY_SIZE(all_output_options);
303 const char *str = "";
304
305 for (i = 0; i < imax; ++i) {
306 if (all_output_options[i].field == field) {
307 str = all_output_options[i].str;
308 break;
309 }
310 }
311 return str;
312 }
313
314 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
315
316 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
317 u64 sample_type, const char *sample_msg,
318 enum perf_output_field field,
319 bool allow_user_set)
320 {
321 struct perf_event_attr *attr = &evsel->attr;
322 int type = output_type(attr->type);
323 const char *evname;
324
325 if (attr->sample_type & sample_type)
326 return 0;
327
328 if (output[type].user_set) {
329 if (allow_user_set)
330 return 0;
331 evname = perf_evsel__name(evsel);
332 pr_err("Samples for '%s' event do not have %s attribute set. "
333 "Cannot print '%s' field.\n",
334 evname, sample_msg, output_field2str(field));
335 return -1;
336 }
337
338 /* user did not ask for it explicitly so remove from the default list */
339 output[type].fields &= ~field;
340 evname = perf_evsel__name(evsel);
341 pr_debug("Samples for '%s' event do not have %s attribute set. "
342 "Skipping '%s' field.\n",
343 evname, sample_msg, output_field2str(field));
344
345 return 0;
346 }
347
348 static int perf_evsel__check_stype(struct perf_evsel *evsel,
349 u64 sample_type, const char *sample_msg,
350 enum perf_output_field field)
351 {
352 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
353 false);
354 }
355
356 static int perf_evsel__check_attr(struct perf_evsel *evsel,
357 struct perf_session *session)
358 {
359 struct perf_event_attr *attr = &evsel->attr;
360 bool allow_user_set;
361
362 if (perf_header__has_feat(&session->header, HEADER_STAT))
363 return 0;
364
365 allow_user_set = perf_header__has_feat(&session->header,
366 HEADER_AUXTRACE);
367
368 if (PRINT_FIELD(TRACE) &&
369 !perf_session__has_traces(session, "record -R"))
370 return -EINVAL;
371
372 if (PRINT_FIELD(IP)) {
373 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
374 PERF_OUTPUT_IP))
375 return -EINVAL;
376 }
377
378 if (PRINT_FIELD(ADDR) &&
379 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
380 PERF_OUTPUT_ADDR, allow_user_set))
381 return -EINVAL;
382
383 if (PRINT_FIELD(DATA_SRC) &&
384 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
385 PERF_OUTPUT_DATA_SRC))
386 return -EINVAL;
387
388 if (PRINT_FIELD(WEIGHT) &&
389 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
390 PERF_OUTPUT_WEIGHT))
391 return -EINVAL;
392
393 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
394 pr_err("Display of symbols requested but neither sample IP nor "
395 "sample address\nis selected. Hence, no addresses to convert "
396 "to symbols.\n");
397 return -EINVAL;
398 }
399 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
400 pr_err("Display of offsets requested but symbol is not"
401 "selected.\n");
402 return -EINVAL;
403 }
404 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
405 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
406 pr_err("Display of DSO requested but no address to convert. Select\n"
407 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
408 return -EINVAL;
409 }
410 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
411 pr_err("Display of source line number requested but sample IP is not\n"
412 "selected. Hence, no address to lookup the source line number.\n");
413 return -EINVAL;
414 }
415 if (PRINT_FIELD(BRSTACKINSN) &&
416 !(perf_evlist__combined_branch_type(session->evlist) &
417 PERF_SAMPLE_BRANCH_ANY)) {
418 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
419 "Hint: run 'perf record -b ...'\n");
420 return -EINVAL;
421 }
422 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
423 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
424 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
425 return -EINVAL;
426
427 if (PRINT_FIELD(TIME) &&
428 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
429 PERF_OUTPUT_TIME))
430 return -EINVAL;
431
432 if (PRINT_FIELD(CPU) &&
433 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
434 PERF_OUTPUT_CPU, allow_user_set))
435 return -EINVAL;
436
437 if (PRINT_FIELD(IREGS) &&
438 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
439 PERF_OUTPUT_IREGS))
440 return -EINVAL;
441
442 if (PRINT_FIELD(UREGS) &&
443 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
444 PERF_OUTPUT_UREGS))
445 return -EINVAL;
446
447 if (PRINT_FIELD(PHYS_ADDR) &&
448 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
449 PERF_OUTPUT_PHYS_ADDR))
450 return -EINVAL;
451
452 return 0;
453 }
454
455 static void set_print_ip_opts(struct perf_event_attr *attr)
456 {
457 unsigned int type = output_type(attr->type);
458
459 output[type].print_ip_opts = 0;
460 if (PRINT_FIELD(IP))
461 output[type].print_ip_opts |= EVSEL__PRINT_IP;
462
463 if (PRINT_FIELD(SYM))
464 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
465
466 if (PRINT_FIELD(DSO))
467 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
468
469 if (PRINT_FIELD(SYMOFFSET))
470 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
471
472 if (PRINT_FIELD(SRCLINE))
473 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
474 }
475
476 /*
477 * verify all user requested events exist and the samples
478 * have the expected data
479 */
480 static int perf_session__check_output_opt(struct perf_session *session)
481 {
482 unsigned int j;
483 struct perf_evsel *evsel;
484
485 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
486 evsel = perf_session__find_first_evtype(session, attr_type(j));
487
488 /*
489 * even if fields is set to 0 (ie., show nothing) event must
490 * exist if user explicitly includes it on the command line
491 */
492 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
493 j != OUTPUT_TYPE_SYNTH) {
494 pr_err("%s events do not exist. "
495 "Remove corresponding -F option to proceed.\n",
496 event_type(j));
497 return -1;
498 }
499
500 if (evsel && output[j].fields &&
501 perf_evsel__check_attr(evsel, session))
502 return -1;
503
504 if (evsel == NULL)
505 continue;
506
507 set_print_ip_opts(&evsel->attr);
508 }
509
510 if (!no_callchain) {
511 bool use_callchain = false;
512 bool not_pipe = false;
513
514 evlist__for_each_entry(session->evlist, evsel) {
515 not_pipe = true;
516 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
517 use_callchain = true;
518 break;
519 }
520 }
521 if (not_pipe && !use_callchain)
522 symbol_conf.use_callchain = false;
523 }
524
525 /*
526 * set default for tracepoints to print symbols only
527 * if callchains are present
528 */
529 if (symbol_conf.use_callchain &&
530 !output[PERF_TYPE_TRACEPOINT].user_set) {
531 struct perf_event_attr *attr;
532
533 j = PERF_TYPE_TRACEPOINT;
534
535 evlist__for_each_entry(session->evlist, evsel) {
536 if (evsel->attr.type != j)
537 continue;
538
539 attr = &evsel->attr;
540
541 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
542 output[j].fields |= PERF_OUTPUT_IP;
543 output[j].fields |= PERF_OUTPUT_SYM;
544 output[j].fields |= PERF_OUTPUT_DSO;
545 set_print_ip_opts(attr);
546 goto out;
547 }
548 }
549 }
550
551 out:
552 return 0;
553 }
554
555 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
556 struct perf_event_attr *attr, FILE *fp)
557 {
558 struct regs_dump *regs = &sample->intr_regs;
559 uint64_t mask = attr->sample_regs_intr;
560 unsigned i = 0, r;
561 int printed = 0;
562
563 if (!regs)
564 return 0;
565
566 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
567 u64 val = regs->regs[i++];
568 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
569 }
570
571 return printed;
572 }
573
574 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
575 struct perf_event_attr *attr, FILE *fp)
576 {
577 struct regs_dump *regs = &sample->user_regs;
578 uint64_t mask = attr->sample_regs_user;
579 unsigned i = 0, r;
580 int printed = 0;
581
582 if (!regs || !regs->regs)
583 return 0;
584
585 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
586
587 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
588 u64 val = regs->regs[i++];
589 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
590 }
591
592 return printed;
593 }
594
595 static int perf_sample__fprintf_start(struct perf_sample *sample,
596 struct thread *thread,
597 struct perf_evsel *evsel, FILE *fp)
598 {
599 struct perf_event_attr *attr = &evsel->attr;
600 unsigned long secs;
601 unsigned long long nsecs;
602 int printed = 0;
603
604 if (PRINT_FIELD(COMM)) {
605 if (latency_format)
606 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
607 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
608 printed += fprintf(fp, "%s ", thread__comm_str(thread));
609 else
610 printed += fprintf(fp, "%16s ", thread__comm_str(thread));
611 }
612
613 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
614 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
615 else if (PRINT_FIELD(PID))
616 printed += fprintf(fp, "%5d ", sample->pid);
617 else if (PRINT_FIELD(TID))
618 printed += fprintf(fp, "%5d ", sample->tid);
619
620 if (PRINT_FIELD(CPU)) {
621 if (latency_format)
622 printed += fprintf(fp, "%3d ", sample->cpu);
623 else
624 printed += fprintf(fp, "[%03d] ", sample->cpu);
625 }
626
627 if (PRINT_FIELD(TIME)) {
628 nsecs = sample->time;
629 secs = nsecs / NSEC_PER_SEC;
630 nsecs -= secs * NSEC_PER_SEC;
631
632 if (nanosecs)
633 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
634 else {
635 char sample_time[32];
636 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
637 printed += fprintf(fp, "%12s: ", sample_time);
638 }
639 }
640
641 return printed;
642 }
643
644 static inline char
645 mispred_str(struct branch_entry *br)
646 {
647 if (!(br->flags.mispred || br->flags.predicted))
648 return '-';
649
650 return br->flags.predicted ? 'P' : 'M';
651 }
652
653 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
654 struct thread *thread,
655 struct perf_event_attr *attr, FILE *fp)
656 {
657 struct branch_stack *br = sample->branch_stack;
658 struct addr_location alf, alt;
659 u64 i, from, to;
660 int printed = 0;
661
662 if (!(br && br->nr))
663 return 0;
664
665 for (i = 0; i < br->nr; i++) {
666 from = br->entries[i].from;
667 to = br->entries[i].to;
668
669 if (PRINT_FIELD(DSO)) {
670 memset(&alf, 0, sizeof(alf));
671 memset(&alt, 0, sizeof(alt));
672 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
673 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
674 }
675
676 printed += fprintf(fp, " 0x%"PRIx64, from);
677 if (PRINT_FIELD(DSO)) {
678 printed += fprintf(fp, "(");
679 printed += map__fprintf_dsoname(alf.map, fp);
680 printed += fprintf(fp, ")");
681 }
682
683 printed += fprintf(fp, "/0x%"PRIx64, to);
684 if (PRINT_FIELD(DSO)) {
685 printed += fprintf(fp, "(");
686 printed += map__fprintf_dsoname(alt.map, fp);
687 printed += fprintf(fp, ")");
688 }
689
690 printed += fprintf(fp, "/%c/%c/%c/%d ",
691 mispred_str( br->entries + i),
692 br->entries[i].flags.in_tx? 'X' : '-',
693 br->entries[i].flags.abort? 'A' : '-',
694 br->entries[i].flags.cycles);
695 }
696
697 return printed;
698 }
699
700 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
701 struct thread *thread,
702 struct perf_event_attr *attr, FILE *fp)
703 {
704 struct branch_stack *br = sample->branch_stack;
705 struct addr_location alf, alt;
706 u64 i, from, to;
707 int printed = 0;
708
709 if (!(br && br->nr))
710 return 0;
711
712 for (i = 0; i < br->nr; i++) {
713
714 memset(&alf, 0, sizeof(alf));
715 memset(&alt, 0, sizeof(alt));
716 from = br->entries[i].from;
717 to = br->entries[i].to;
718
719 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
720 if (alf.map)
721 alf.sym = map__find_symbol(alf.map, alf.addr);
722
723 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
724 if (alt.map)
725 alt.sym = map__find_symbol(alt.map, alt.addr);
726
727 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
728 if (PRINT_FIELD(DSO)) {
729 printed += fprintf(fp, "(");
730 printed += map__fprintf_dsoname(alf.map, fp);
731 printed += fprintf(fp, ")");
732 }
733 printed += fprintf(fp, "%c", '/');
734 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
735 if (PRINT_FIELD(DSO)) {
736 printed += fprintf(fp, "(");
737 printed += map__fprintf_dsoname(alt.map, fp);
738 printed += fprintf(fp, ")");
739 }
740 printed += fprintf(fp, "/%c/%c/%c/%d ",
741 mispred_str( br->entries + i),
742 br->entries[i].flags.in_tx? 'X' : '-',
743 br->entries[i].flags.abort? 'A' : '-',
744 br->entries[i].flags.cycles);
745 }
746
747 return printed;
748 }
749
750 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
751 struct thread *thread,
752 struct perf_event_attr *attr, FILE *fp)
753 {
754 struct branch_stack *br = sample->branch_stack;
755 struct addr_location alf, alt;
756 u64 i, from, to;
757 int printed = 0;
758
759 if (!(br && br->nr))
760 return 0;
761
762 for (i = 0; i < br->nr; i++) {
763
764 memset(&alf, 0, sizeof(alf));
765 memset(&alt, 0, sizeof(alt));
766 from = br->entries[i].from;
767 to = br->entries[i].to;
768
769 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
770 if (alf.map && !alf.map->dso->adjust_symbols)
771 from = map__map_ip(alf.map, from);
772
773 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
774 if (alt.map && !alt.map->dso->adjust_symbols)
775 to = map__map_ip(alt.map, to);
776
777 printed += fprintf(fp, " 0x%"PRIx64, from);
778 if (PRINT_FIELD(DSO)) {
779 printed += fprintf(fp, "(");
780 printed += map__fprintf_dsoname(alf.map, fp);
781 printed += fprintf(fp, ")");
782 }
783 printed += fprintf(fp, "/0x%"PRIx64, to);
784 if (PRINT_FIELD(DSO)) {
785 printed += fprintf(fp, "(");
786 printed += map__fprintf_dsoname(alt.map, fp);
787 printed += fprintf(fp, ")");
788 }
789 printed += fprintf(fp, "/%c/%c/%c/%d ",
790 mispred_str(br->entries + i),
791 br->entries[i].flags.in_tx ? 'X' : '-',
792 br->entries[i].flags.abort ? 'A' : '-',
793 br->entries[i].flags.cycles);
794 }
795
796 return printed;
797 }
798 #define MAXBB 16384UL
799
800 static int grab_bb(u8 *buffer, u64 start, u64 end,
801 struct machine *machine, struct thread *thread,
802 bool *is64bit, u8 *cpumode, bool last)
803 {
804 long offset, len;
805 struct addr_location al;
806 bool kernel;
807
808 if (!start || !end)
809 return 0;
810
811 kernel = machine__kernel_ip(machine, start);
812 if (kernel)
813 *cpumode = PERF_RECORD_MISC_KERNEL;
814 else
815 *cpumode = PERF_RECORD_MISC_USER;
816
817 /*
818 * Block overlaps between kernel and user.
819 * This can happen due to ring filtering
820 * On Intel CPUs the entry into the kernel is filtered,
821 * but the exit is not. Let the caller patch it up.
822 */
823 if (kernel != machine__kernel_ip(machine, end)) {
824 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
825 return -ENXIO;
826 }
827
828 memset(&al, 0, sizeof(al));
829 if (end - start > MAXBB - MAXINSN) {
830 if (last)
831 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
832 else
833 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
834 return 0;
835 }
836
837 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
838 if (!al.map || !al.map->dso) {
839 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
840 return 0;
841 }
842 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
843 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
844 return 0;
845 }
846
847 /* Load maps to ensure dso->is_64_bit has been updated */
848 map__load(al.map);
849
850 offset = al.map->map_ip(al.map, start);
851 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
852 end - start + MAXINSN);
853
854 *is64bit = al.map->dso->is_64_bit;
855 if (len <= 0)
856 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
857 start, end);
858 return len;
859 }
860
861 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
862 struct perf_insn *x, u8 *inbuf, int len,
863 int insn, FILE *fp)
864 {
865 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
866 dump_insn(x, ip, inbuf, len, NULL),
867 en->flags.predicted ? " PRED" : "",
868 en->flags.mispred ? " MISPRED" : "",
869 en->flags.in_tx ? " INTX" : "",
870 en->flags.abort ? " ABORT" : "");
871 if (en->flags.cycles) {
872 printed += fprintf(fp, " %d cycles", en->flags.cycles);
873 if (insn)
874 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
875 }
876 return printed + fprintf(fp, "\n");
877 }
878
879 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
880 u8 cpumode, int cpu, struct symbol **lastsym,
881 struct perf_event_attr *attr, FILE *fp)
882 {
883 struct addr_location al;
884 int off, printed = 0;
885
886 memset(&al, 0, sizeof(al));
887
888 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
889 if (!al.map)
890 thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
891 addr, &al);
892 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
893 return 0;
894
895 al.cpu = cpu;
896 al.sym = NULL;
897 if (al.map)
898 al.sym = map__find_symbol(al.map, al.addr);
899
900 if (!al.sym)
901 return 0;
902
903 if (al.addr < al.sym->end)
904 off = al.addr - al.sym->start;
905 else
906 off = al.addr - al.map->start - al.sym->start;
907 printed += fprintf(fp, "\t%s", al.sym->name);
908 if (off)
909 printed += fprintf(fp, "%+d", off);
910 printed += fprintf(fp, ":");
911 if (PRINT_FIELD(SRCLINE))
912 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
913 printed += fprintf(fp, "\n");
914 *lastsym = al.sym;
915
916 return printed;
917 }
918
919 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
920 struct thread *thread,
921 struct perf_event_attr *attr,
922 struct machine *machine, FILE *fp)
923 {
924 struct branch_stack *br = sample->branch_stack;
925 u64 start, end;
926 int i, insn, len, nr, ilen, printed = 0;
927 struct perf_insn x;
928 u8 buffer[MAXBB];
929 unsigned off;
930 struct symbol *lastsym = NULL;
931
932 if (!(br && br->nr))
933 return 0;
934 nr = br->nr;
935 if (max_blocks && nr > max_blocks + 1)
936 nr = max_blocks + 1;
937
938 x.thread = thread;
939 x.cpu = sample->cpu;
940
941 printed += fprintf(fp, "%c", '\n');
942
943 /* Handle first from jump, of which we don't know the entry. */
944 len = grab_bb(buffer, br->entries[nr-1].from,
945 br->entries[nr-1].from,
946 machine, thread, &x.is64bit, &x.cpumode, false);
947 if (len > 0) {
948 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
949 x.cpumode, x.cpu, &lastsym, attr, fp);
950 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
951 &x, buffer, len, 0, fp);
952 }
953
954 /* Print all blocks */
955 for (i = nr - 2; i >= 0; i--) {
956 if (br->entries[i].from || br->entries[i].to)
957 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
958 br->entries[i].from,
959 br->entries[i].to);
960 start = br->entries[i + 1].to;
961 end = br->entries[i].from;
962
963 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
964 /* Patch up missing kernel transfers due to ring filters */
965 if (len == -ENXIO && i > 0) {
966 end = br->entries[--i].from;
967 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
968 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
969 }
970 if (len <= 0)
971 continue;
972
973 insn = 0;
974 for (off = 0;; off += ilen) {
975 uint64_t ip = start + off;
976
977 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
978 if (ip == end) {
979 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
980 break;
981 } else {
982 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
983 dump_insn(&x, ip, buffer + off, len - off, &ilen));
984 if (ilen == 0)
985 break;
986 insn++;
987 }
988 }
989 }
990
991 /*
992 * Hit the branch? In this case we are already done, and the target
993 * has not been executed yet.
994 */
995 if (br->entries[0].from == sample->ip)
996 goto out;
997 if (br->entries[0].flags.abort)
998 goto out;
999
1000 /*
1001 * Print final block upto sample
1002 */
1003 start = br->entries[0].to;
1004 end = sample->ip;
1005 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1006 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1007 if (len <= 0) {
1008 /* Print at least last IP if basic block did not work */
1009 len = grab_bb(buffer, sample->ip, sample->ip,
1010 machine, thread, &x.is64bit, &x.cpumode, false);
1011 if (len <= 0)
1012 goto out;
1013
1014 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1015 dump_insn(&x, sample->ip, buffer, len, NULL));
1016 goto out;
1017 }
1018 for (off = 0; off <= end - start; off += ilen) {
1019 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1020 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1021 if (ilen == 0)
1022 break;
1023 }
1024 out:
1025 return printed;
1026 }
1027
1028 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1029 struct thread *thread,
1030 struct perf_event_attr *attr, FILE *fp)
1031 {
1032 struct addr_location al;
1033 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1034
1035 if (!sample_addr_correlates_sym(attr))
1036 goto out;
1037
1038 thread__resolve(thread, &al, sample);
1039
1040 if (PRINT_FIELD(SYM)) {
1041 printed += fprintf(fp, " ");
1042 if (PRINT_FIELD(SYMOFFSET))
1043 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1044 else
1045 printed += symbol__fprintf_symname(al.sym, fp);
1046 }
1047
1048 if (PRINT_FIELD(DSO)) {
1049 printed += fprintf(fp, " (");
1050 printed += map__fprintf_dsoname(al.map, fp);
1051 printed += fprintf(fp, ")");
1052 }
1053 out:
1054 return printed;
1055 }
1056
1057 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1058 struct perf_evsel *evsel,
1059 struct thread *thread,
1060 struct addr_location *al, FILE *fp)
1061 {
1062 struct perf_event_attr *attr = &evsel->attr;
1063 size_t depth = thread_stack__depth(thread);
1064 struct addr_location addr_al;
1065 const char *name = NULL;
1066 static int spacing;
1067 int len = 0;
1068 u64 ip = 0;
1069
1070 /*
1071 * The 'return' has already been popped off the stack so the depth has
1072 * to be adjusted to match the 'call'.
1073 */
1074 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1075 depth += 1;
1076
1077 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1078 if (sample_addr_correlates_sym(attr)) {
1079 thread__resolve(thread, &addr_al, sample);
1080 if (addr_al.sym)
1081 name = addr_al.sym->name;
1082 else
1083 ip = sample->addr;
1084 } else {
1085 ip = sample->addr;
1086 }
1087 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1088 if (al->sym)
1089 name = al->sym->name;
1090 else
1091 ip = sample->ip;
1092 }
1093
1094 if (name)
1095 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1096 else if (ip)
1097 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1098
1099 if (len < 0)
1100 return len;
1101
1102 /*
1103 * Try to keep the output length from changing frequently so that the
1104 * output lines up more nicely.
1105 */
1106 if (len > spacing || (len && len < spacing - 52))
1107 spacing = round_up(len + 4, 32);
1108
1109 if (len < spacing)
1110 len += fprintf(fp, "%*s", spacing - len, "");
1111
1112 return len;
1113 }
1114
1115 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1116 struct perf_event_attr *attr,
1117 struct thread *thread,
1118 struct machine *machine, FILE *fp)
1119 {
1120 int printed = 0;
1121
1122 if (PRINT_FIELD(INSNLEN))
1123 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1124 if (PRINT_FIELD(INSN)) {
1125 int i;
1126
1127 printed += fprintf(fp, " insn:");
1128 for (i = 0; i < sample->insn_len; i++)
1129 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1130 }
1131 if (PRINT_FIELD(BRSTACKINSN))
1132 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1133
1134 return printed;
1135 }
1136
1137 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1138 struct perf_evsel *evsel,
1139 struct thread *thread,
1140 struct addr_location *al,
1141 struct machine *machine, FILE *fp)
1142 {
1143 struct perf_event_attr *attr = &evsel->attr;
1144 unsigned int type = output_type(attr->type);
1145 bool print_srcline_last = false;
1146 int printed = 0;
1147
1148 if (PRINT_FIELD(CALLINDENT))
1149 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1150
1151 /* print branch_from information */
1152 if (PRINT_FIELD(IP)) {
1153 unsigned int print_opts = output[type].print_ip_opts;
1154 struct callchain_cursor *cursor = NULL;
1155
1156 if (symbol_conf.use_callchain && sample->callchain &&
1157 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1158 sample, NULL, NULL, scripting_max_stack) == 0)
1159 cursor = &callchain_cursor;
1160
1161 if (cursor == NULL) {
1162 printed += fprintf(fp, " ");
1163 if (print_opts & EVSEL__PRINT_SRCLINE) {
1164 print_srcline_last = true;
1165 print_opts &= ~EVSEL__PRINT_SRCLINE;
1166 }
1167 } else
1168 printed += fprintf(fp, "\n");
1169
1170 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1171 }
1172
1173 /* print branch_to information */
1174 if (PRINT_FIELD(ADDR) ||
1175 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1176 !output[type].user_set)) {
1177 printed += fprintf(fp, " => ");
1178 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1179 }
1180
1181 if (print_srcline_last)
1182 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1183
1184 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1185 return printed + fprintf(fp, "\n");
1186 }
1187
1188 static struct {
1189 u32 flags;
1190 const char *name;
1191 } sample_flags[] = {
1192 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1193 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1194 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1195 {PERF_IP_FLAG_BRANCH, "jmp"},
1196 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1197 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1198 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1199 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1200 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1201 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1202 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1203 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1204 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1205 {0, NULL}
1206 };
1207
1208 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1209 {
1210 const char *chars = PERF_IP_FLAG_CHARS;
1211 const int n = strlen(PERF_IP_FLAG_CHARS);
1212 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1213 const char *name = NULL;
1214 char str[33];
1215 int i, pos = 0;
1216
1217 for (i = 0; sample_flags[i].name ; i++) {
1218 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
1219 name = sample_flags[i].name;
1220 break;
1221 }
1222 }
1223
1224 for (i = 0; i < n; i++, flags >>= 1) {
1225 if (flags & 1)
1226 str[pos++] = chars[i];
1227 }
1228 for (; i < 32; i++, flags >>= 1) {
1229 if (flags & 1)
1230 str[pos++] = '?';
1231 }
1232 str[pos] = 0;
1233
1234 if (name)
1235 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : "");
1236
1237 return fprintf(fp, " %-11s ", str);
1238 }
1239
1240 struct printer_data {
1241 int line_no;
1242 bool hit_nul;
1243 bool is_printable;
1244 };
1245
1246 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1247 unsigned int val,
1248 void *extra, FILE *fp)
1249 {
1250 unsigned char ch = (unsigned char)val;
1251 struct printer_data *printer_data = extra;
1252 int printed = 0;
1253
1254 switch (op) {
1255 case BINARY_PRINT_DATA_BEGIN:
1256 printed += fprintf(fp, "\n");
1257 break;
1258 case BINARY_PRINT_LINE_BEGIN:
1259 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1260 " ");
1261 break;
1262 case BINARY_PRINT_ADDR:
1263 printed += fprintf(fp, " %04x:", val);
1264 break;
1265 case BINARY_PRINT_NUM_DATA:
1266 printed += fprintf(fp, " %02x", val);
1267 break;
1268 case BINARY_PRINT_NUM_PAD:
1269 printed += fprintf(fp, " ");
1270 break;
1271 case BINARY_PRINT_SEP:
1272 printed += fprintf(fp, " ");
1273 break;
1274 case BINARY_PRINT_CHAR_DATA:
1275 if (printer_data->hit_nul && ch)
1276 printer_data->is_printable = false;
1277
1278 if (!isprint(ch)) {
1279 printed += fprintf(fp, "%c", '.');
1280
1281 if (!printer_data->is_printable)
1282 break;
1283
1284 if (ch == '\0')
1285 printer_data->hit_nul = true;
1286 else
1287 printer_data->is_printable = false;
1288 } else {
1289 printed += fprintf(fp, "%c", ch);
1290 }
1291 break;
1292 case BINARY_PRINT_CHAR_PAD:
1293 printed += fprintf(fp, " ");
1294 break;
1295 case BINARY_PRINT_LINE_END:
1296 printed += fprintf(fp, "\n");
1297 printer_data->line_no++;
1298 break;
1299 case BINARY_PRINT_DATA_END:
1300 default:
1301 break;
1302 }
1303
1304 return printed;
1305 }
1306
1307 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1308 {
1309 unsigned int nr_bytes = sample->raw_size;
1310 struct printer_data printer_data = {0, false, true};
1311 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1312 sample__fprintf_bpf_output, &printer_data, fp);
1313
1314 if (printer_data.is_printable && printer_data.hit_nul)
1315 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1316
1317 return printed;
1318 }
1319
1320 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1321 {
1322 if (len > 0 && len < spacing)
1323 return fprintf(fp, "%*s", spacing - len, "");
1324
1325 return 0;
1326 }
1327
1328 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1329 {
1330 return perf_sample__fprintf_spacing(len, 34, fp);
1331 }
1332
1333 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1334 {
1335 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1336 int len;
1337
1338 if (perf_sample__bad_synth_size(sample, *data))
1339 return 0;
1340
1341 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1342 data->ip, le64_to_cpu(data->payload));
1343 return len + perf_sample__fprintf_pt_spacing(len, fp);
1344 }
1345
1346 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1347 {
1348 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1349 int len;
1350
1351 if (perf_sample__bad_synth_size(sample, *data))
1352 return 0;
1353
1354 len = fprintf(fp, " hints: %#x extensions: %#x ",
1355 data->hints, data->extensions);
1356 return len + perf_sample__fprintf_pt_spacing(len, fp);
1357 }
1358
1359 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1360 {
1361 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1362 int len;
1363
1364 if (perf_sample__bad_synth_size(sample, *data))
1365 return 0;
1366
1367 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1368 data->hw, data->cstate, data->subcstate);
1369 return len + perf_sample__fprintf_pt_spacing(len, fp);
1370 }
1371
1372 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1373 {
1374 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1375 int len;
1376
1377 if (perf_sample__bad_synth_size(sample, *data))
1378 return 0;
1379
1380 len = fprintf(fp, " IP: %u ", data->ip);
1381 return len + perf_sample__fprintf_pt_spacing(len, fp);
1382 }
1383
1384 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1385 {
1386 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1387 int len;
1388
1389 if (perf_sample__bad_synth_size(sample, *data))
1390 return 0;
1391
1392 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1393 data->deepest_cstate, data->last_cstate,
1394 data->wake_reason);
1395 return len + perf_sample__fprintf_pt_spacing(len, fp);
1396 }
1397
1398 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1399 {
1400 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1401 unsigned int percent, freq;
1402 int len;
1403
1404 if (perf_sample__bad_synth_size(sample, *data))
1405 return 0;
1406
1407 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1408 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1409 if (data->max_nonturbo) {
1410 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1411 len += fprintf(fp, "(%3u%%) ", percent);
1412 }
1413 return len + perf_sample__fprintf_pt_spacing(len, fp);
1414 }
1415
1416 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1417 struct perf_evsel *evsel, FILE *fp)
1418 {
1419 switch (evsel->attr.config) {
1420 case PERF_SYNTH_INTEL_PTWRITE:
1421 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1422 case PERF_SYNTH_INTEL_MWAIT:
1423 return perf_sample__fprintf_synth_mwait(sample, fp);
1424 case PERF_SYNTH_INTEL_PWRE:
1425 return perf_sample__fprintf_synth_pwre(sample, fp);
1426 case PERF_SYNTH_INTEL_EXSTOP:
1427 return perf_sample__fprintf_synth_exstop(sample, fp);
1428 case PERF_SYNTH_INTEL_PWRX:
1429 return perf_sample__fprintf_synth_pwrx(sample, fp);
1430 case PERF_SYNTH_INTEL_CBR:
1431 return perf_sample__fprintf_synth_cbr(sample, fp);
1432 default:
1433 break;
1434 }
1435
1436 return 0;
1437 }
1438
1439 struct perf_script {
1440 struct perf_tool tool;
1441 struct perf_session *session;
1442 bool show_task_events;
1443 bool show_mmap_events;
1444 bool show_switch_events;
1445 bool show_namespace_events;
1446 bool allocated;
1447 bool per_event_dump;
1448 struct cpu_map *cpus;
1449 struct thread_map *threads;
1450 int name_width;
1451 const char *time_str;
1452 struct perf_time_interval ptime;
1453 };
1454
1455 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1456 {
1457 struct perf_evsel *evsel;
1458 int max = 0;
1459
1460 evlist__for_each_entry(evlist, evsel) {
1461 int len = strlen(perf_evsel__name(evsel));
1462
1463 max = MAX(len, max);
1464 }
1465
1466 return max;
1467 }
1468
1469 static int data_src__fprintf(u64 data_src, FILE *fp)
1470 {
1471 struct mem_info mi = { .data_src.val = data_src };
1472 char decode[100];
1473 char out[100];
1474 static int maxlen;
1475 int len;
1476
1477 perf_script__meminfo_scnprintf(decode, 100, &mi);
1478
1479 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1480 if (maxlen < len)
1481 maxlen = len;
1482
1483 return fprintf(fp, "%-*s", maxlen, out);
1484 }
1485
1486 struct metric_ctx {
1487 struct perf_sample *sample;
1488 struct thread *thread;
1489 struct perf_evsel *evsel;
1490 FILE *fp;
1491 };
1492
1493 static void script_print_metric(void *ctx, const char *color,
1494 const char *fmt,
1495 const char *unit, double val)
1496 {
1497 struct metric_ctx *mctx = ctx;
1498
1499 if (!fmt)
1500 return;
1501 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1502 mctx->fp);
1503 fputs("\tmetric: ", mctx->fp);
1504 if (color)
1505 color_fprintf(mctx->fp, color, fmt, val);
1506 else
1507 printf(fmt, val);
1508 fprintf(mctx->fp, " %s\n", unit);
1509 }
1510
1511 static void script_new_line(void *ctx)
1512 {
1513 struct metric_ctx *mctx = ctx;
1514
1515 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1516 mctx->fp);
1517 fputs("\tmetric: ", mctx->fp);
1518 }
1519
1520 static void perf_sample__fprint_metric(struct perf_script *script,
1521 struct thread *thread,
1522 struct perf_evsel *evsel,
1523 struct perf_sample *sample,
1524 FILE *fp)
1525 {
1526 struct perf_stat_output_ctx ctx = {
1527 .print_metric = script_print_metric,
1528 .new_line = script_new_line,
1529 .ctx = &(struct metric_ctx) {
1530 .sample = sample,
1531 .thread = thread,
1532 .evsel = evsel,
1533 .fp = fp,
1534 },
1535 .force_header = false,
1536 };
1537 struct perf_evsel *ev2;
1538 static bool init;
1539 u64 val;
1540
1541 if (!init) {
1542 perf_stat__init_shadow_stats();
1543 init = true;
1544 }
1545 if (!evsel->stats)
1546 perf_evlist__alloc_stats(script->session->evlist, false);
1547 if (evsel_script(evsel->leader)->gnum++ == 0)
1548 perf_stat__reset_shadow_stats();
1549 val = sample->period * evsel->scale;
1550 perf_stat__update_shadow_stats(evsel,
1551 val,
1552 sample->cpu,
1553 &rt_stat);
1554 evsel_script(evsel)->val = val;
1555 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1556 for_each_group_member (ev2, evsel->leader) {
1557 perf_stat__print_shadow_stats(ev2,
1558 evsel_script(ev2)->val,
1559 sample->cpu,
1560 &ctx,
1561 NULL,
1562 &rt_stat);
1563 }
1564 evsel_script(evsel->leader)->gnum = 0;
1565 }
1566 }
1567
1568 static void process_event(struct perf_script *script,
1569 struct perf_sample *sample, struct perf_evsel *evsel,
1570 struct addr_location *al,
1571 struct machine *machine)
1572 {
1573 struct thread *thread = al->thread;
1574 struct perf_event_attr *attr = &evsel->attr;
1575 unsigned int type = output_type(attr->type);
1576 struct perf_evsel_script *es = evsel->priv;
1577 FILE *fp = es->fp;
1578
1579 if (output[type].fields == 0)
1580 return;
1581
1582 ++es->samples;
1583
1584 perf_sample__fprintf_start(sample, thread, evsel, fp);
1585
1586 if (PRINT_FIELD(PERIOD))
1587 fprintf(fp, "%10" PRIu64 " ", sample->period);
1588
1589 if (PRINT_FIELD(EVNAME)) {
1590 const char *evname = perf_evsel__name(evsel);
1591
1592 if (!script->name_width)
1593 script->name_width = perf_evlist__max_name_len(script->session->evlist);
1594
1595 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1596 }
1597
1598 if (print_flags)
1599 perf_sample__fprintf_flags(sample->flags, fp);
1600
1601 if (is_bts_event(attr)) {
1602 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1603 return;
1604 }
1605
1606 if (PRINT_FIELD(TRACE)) {
1607 event_format__fprintf(evsel->tp_format, sample->cpu,
1608 sample->raw_data, sample->raw_size, fp);
1609 }
1610
1611 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1612 perf_sample__fprintf_synth(sample, evsel, fp);
1613
1614 if (PRINT_FIELD(ADDR))
1615 perf_sample__fprintf_addr(sample, thread, attr, fp);
1616
1617 if (PRINT_FIELD(DATA_SRC))
1618 data_src__fprintf(sample->data_src, fp);
1619
1620 if (PRINT_FIELD(WEIGHT))
1621 fprintf(fp, "%16" PRIu64, sample->weight);
1622
1623 if (PRINT_FIELD(IP)) {
1624 struct callchain_cursor *cursor = NULL;
1625
1626 if (symbol_conf.use_callchain && sample->callchain &&
1627 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1628 sample, NULL, NULL, scripting_max_stack) == 0)
1629 cursor = &callchain_cursor;
1630
1631 fputc(cursor ? '\n' : ' ', fp);
1632 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1633 }
1634
1635 if (PRINT_FIELD(IREGS))
1636 perf_sample__fprintf_iregs(sample, attr, fp);
1637
1638 if (PRINT_FIELD(UREGS))
1639 perf_sample__fprintf_uregs(sample, attr, fp);
1640
1641 if (PRINT_FIELD(BRSTACK))
1642 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1643 else if (PRINT_FIELD(BRSTACKSYM))
1644 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1645 else if (PRINT_FIELD(BRSTACKOFF))
1646 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1647
1648 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1649 perf_sample__fprintf_bpf_output(sample, fp);
1650 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1651
1652 if (PRINT_FIELD(PHYS_ADDR))
1653 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1654 fprintf(fp, "\n");
1655
1656 if (PRINT_FIELD(METRIC))
1657 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1658 }
1659
1660 static struct scripting_ops *scripting_ops;
1661
1662 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1663 {
1664 int nthreads = thread_map__nr(counter->threads);
1665 int ncpus = perf_evsel__nr_cpus(counter);
1666 int cpu, thread;
1667 static int header_printed;
1668
1669 if (counter->system_wide)
1670 nthreads = 1;
1671
1672 if (!header_printed) {
1673 printf("%3s %8s %15s %15s %15s %15s %s\n",
1674 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1675 header_printed = 1;
1676 }
1677
1678 for (thread = 0; thread < nthreads; thread++) {
1679 for (cpu = 0; cpu < ncpus; cpu++) {
1680 struct perf_counts_values *counts;
1681
1682 counts = perf_counts(counter->counts, cpu, thread);
1683
1684 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1685 counter->cpus->map[cpu],
1686 thread_map__pid(counter->threads, thread),
1687 counts->val,
1688 counts->ena,
1689 counts->run,
1690 tstamp,
1691 perf_evsel__name(counter));
1692 }
1693 }
1694 }
1695
1696 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1697 {
1698 if (scripting_ops && scripting_ops->process_stat)
1699 scripting_ops->process_stat(&stat_config, counter, tstamp);
1700 else
1701 __process_stat(counter, tstamp);
1702 }
1703
1704 static void process_stat_interval(u64 tstamp)
1705 {
1706 if (scripting_ops && scripting_ops->process_stat_interval)
1707 scripting_ops->process_stat_interval(tstamp);
1708 }
1709
1710 static void setup_scripting(void)
1711 {
1712 setup_perl_scripting();
1713 setup_python_scripting();
1714 }
1715
1716 static int flush_scripting(void)
1717 {
1718 return scripting_ops ? scripting_ops->flush_script() : 0;
1719 }
1720
1721 static int cleanup_scripting(void)
1722 {
1723 pr_debug("\nperf script stopped\n");
1724
1725 return scripting_ops ? scripting_ops->stop_script() : 0;
1726 }
1727
1728 static int process_sample_event(struct perf_tool *tool,
1729 union perf_event *event,
1730 struct perf_sample *sample,
1731 struct perf_evsel *evsel,
1732 struct machine *machine)
1733 {
1734 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1735 struct addr_location al;
1736
1737 if (perf_time__skip_sample(&scr->ptime, sample->time))
1738 return 0;
1739
1740 if (debug_mode) {
1741 if (sample->time < last_timestamp) {
1742 pr_err("Samples misordered, previous: %" PRIu64
1743 " this: %" PRIu64 "\n", last_timestamp,
1744 sample->time);
1745 nr_unordered++;
1746 }
1747 last_timestamp = sample->time;
1748 return 0;
1749 }
1750
1751 if (machine__resolve(machine, &al, sample) < 0) {
1752 pr_err("problem processing %d event, skipping it.\n",
1753 event->header.type);
1754 return -1;
1755 }
1756
1757 if (al.filtered)
1758 goto out_put;
1759
1760 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1761 goto out_put;
1762
1763 if (scripting_ops)
1764 scripting_ops->process_event(event, sample, evsel, &al);
1765 else
1766 process_event(scr, sample, evsel, &al, machine);
1767
1768 out_put:
1769 addr_location__put(&al);
1770 return 0;
1771 }
1772
1773 static int process_attr(struct perf_tool *tool, union perf_event *event,
1774 struct perf_evlist **pevlist)
1775 {
1776 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1777 struct perf_evlist *evlist;
1778 struct perf_evsel *evsel, *pos;
1779 int err;
1780
1781 err = perf_event__process_attr(tool, event, pevlist);
1782 if (err)
1783 return err;
1784
1785 evlist = *pevlist;
1786 evsel = perf_evlist__last(*pevlist);
1787
1788 if (evsel->attr.type >= PERF_TYPE_MAX &&
1789 evsel->attr.type != PERF_TYPE_SYNTH)
1790 return 0;
1791
1792 evlist__for_each_entry(evlist, pos) {
1793 if (pos->attr.type == evsel->attr.type && pos != evsel)
1794 return 0;
1795 }
1796
1797 set_print_ip_opts(&evsel->attr);
1798
1799 if (evsel->attr.sample_type)
1800 err = perf_evsel__check_attr(evsel, scr->session);
1801
1802 return err;
1803 }
1804
1805 static int process_comm_event(struct perf_tool *tool,
1806 union perf_event *event,
1807 struct perf_sample *sample,
1808 struct machine *machine)
1809 {
1810 struct thread *thread;
1811 struct perf_script *script = container_of(tool, struct perf_script, tool);
1812 struct perf_session *session = script->session;
1813 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1814 int ret = -1;
1815
1816 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1817 if (thread == NULL) {
1818 pr_debug("problem processing COMM event, skipping it.\n");
1819 return -1;
1820 }
1821
1822 if (perf_event__process_comm(tool, event, sample, machine) < 0)
1823 goto out;
1824
1825 if (!evsel->attr.sample_id_all) {
1826 sample->cpu = 0;
1827 sample->time = 0;
1828 sample->tid = event->comm.tid;
1829 sample->pid = event->comm.pid;
1830 }
1831 perf_sample__fprintf_start(sample, thread, evsel, stdout);
1832 perf_event__fprintf(event, stdout);
1833 ret = 0;
1834 out:
1835 thread__put(thread);
1836 return ret;
1837 }
1838
1839 static int process_namespaces_event(struct perf_tool *tool,
1840 union perf_event *event,
1841 struct perf_sample *sample,
1842 struct machine *machine)
1843 {
1844 struct thread *thread;
1845 struct perf_script *script = container_of(tool, struct perf_script, tool);
1846 struct perf_session *session = script->session;
1847 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1848 int ret = -1;
1849
1850 thread = machine__findnew_thread(machine, event->namespaces.pid,
1851 event->namespaces.tid);
1852 if (thread == NULL) {
1853 pr_debug("problem processing NAMESPACES event, skipping it.\n");
1854 return -1;
1855 }
1856
1857 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1858 goto out;
1859
1860 if (!evsel->attr.sample_id_all) {
1861 sample->cpu = 0;
1862 sample->time = 0;
1863 sample->tid = event->namespaces.tid;
1864 sample->pid = event->namespaces.pid;
1865 }
1866 perf_sample__fprintf_start(sample, thread, evsel, stdout);
1867 perf_event__fprintf(event, stdout);
1868 ret = 0;
1869 out:
1870 thread__put(thread);
1871 return ret;
1872 }
1873
1874 static int process_fork_event(struct perf_tool *tool,
1875 union perf_event *event,
1876 struct perf_sample *sample,
1877 struct machine *machine)
1878 {
1879 struct thread *thread;
1880 struct perf_script *script = container_of(tool, struct perf_script, tool);
1881 struct perf_session *session = script->session;
1882 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1883
1884 if (perf_event__process_fork(tool, event, sample, machine) < 0)
1885 return -1;
1886
1887 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1888 if (thread == NULL) {
1889 pr_debug("problem processing FORK event, skipping it.\n");
1890 return -1;
1891 }
1892
1893 if (!evsel->attr.sample_id_all) {
1894 sample->cpu = 0;
1895 sample->time = event->fork.time;
1896 sample->tid = event->fork.tid;
1897 sample->pid = event->fork.pid;
1898 }
1899 perf_sample__fprintf_start(sample, thread, evsel, stdout);
1900 perf_event__fprintf(event, stdout);
1901 thread__put(thread);
1902
1903 return 0;
1904 }
1905 static int process_exit_event(struct perf_tool *tool,
1906 union perf_event *event,
1907 struct perf_sample *sample,
1908 struct machine *machine)
1909 {
1910 int err = 0;
1911 struct thread *thread;
1912 struct perf_script *script = container_of(tool, struct perf_script, tool);
1913 struct perf_session *session = script->session;
1914 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1915
1916 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1917 if (thread == NULL) {
1918 pr_debug("problem processing EXIT event, skipping it.\n");
1919 return -1;
1920 }
1921
1922 if (!evsel->attr.sample_id_all) {
1923 sample->cpu = 0;
1924 sample->time = 0;
1925 sample->tid = event->fork.tid;
1926 sample->pid = event->fork.pid;
1927 }
1928 perf_sample__fprintf_start(sample, thread, evsel, stdout);
1929 perf_event__fprintf(event, stdout);
1930
1931 if (perf_event__process_exit(tool, event, sample, machine) < 0)
1932 err = -1;
1933
1934 thread__put(thread);
1935 return err;
1936 }
1937
1938 static int process_mmap_event(struct perf_tool *tool,
1939 union perf_event *event,
1940 struct perf_sample *sample,
1941 struct machine *machine)
1942 {
1943 struct thread *thread;
1944 struct perf_script *script = container_of(tool, struct perf_script, tool);
1945 struct perf_session *session = script->session;
1946 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1947
1948 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
1949 return -1;
1950
1951 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
1952 if (thread == NULL) {
1953 pr_debug("problem processing MMAP event, skipping it.\n");
1954 return -1;
1955 }
1956
1957 if (!evsel->attr.sample_id_all) {
1958 sample->cpu = 0;
1959 sample->time = 0;
1960 sample->tid = event->mmap.tid;
1961 sample->pid = event->mmap.pid;
1962 }
1963 perf_sample__fprintf_start(sample, thread, evsel, stdout);
1964 perf_event__fprintf(event, stdout);
1965 thread__put(thread);
1966 return 0;
1967 }
1968
1969 static int process_mmap2_event(struct perf_tool *tool,
1970 union perf_event *event,
1971 struct perf_sample *sample,
1972 struct machine *machine)
1973 {
1974 struct thread *thread;
1975 struct perf_script *script = container_of(tool, struct perf_script, tool);
1976 struct perf_session *session = script->session;
1977 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1978
1979 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
1980 return -1;
1981
1982 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
1983 if (thread == NULL) {
1984 pr_debug("problem processing MMAP2 event, skipping it.\n");
1985 return -1;
1986 }
1987
1988 if (!evsel->attr.sample_id_all) {
1989 sample->cpu = 0;
1990 sample->time = 0;
1991 sample->tid = event->mmap2.tid;
1992 sample->pid = event->mmap2.pid;
1993 }
1994 perf_sample__fprintf_start(sample, thread, evsel, stdout);
1995 perf_event__fprintf(event, stdout);
1996 thread__put(thread);
1997 return 0;
1998 }
1999
2000 static int process_switch_event(struct perf_tool *tool,
2001 union perf_event *event,
2002 struct perf_sample *sample,
2003 struct machine *machine)
2004 {
2005 struct thread *thread;
2006 struct perf_script *script = container_of(tool, struct perf_script, tool);
2007 struct perf_session *session = script->session;
2008 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2009
2010 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2011 return -1;
2012
2013 thread = machine__findnew_thread(machine, sample->pid,
2014 sample->tid);
2015 if (thread == NULL) {
2016 pr_debug("problem processing SWITCH event, skipping it.\n");
2017 return -1;
2018 }
2019
2020 perf_sample__fprintf_start(sample, thread, evsel, stdout);
2021 perf_event__fprintf(event, stdout);
2022 thread__put(thread);
2023 return 0;
2024 }
2025
2026 static void sig_handler(int sig __maybe_unused)
2027 {
2028 session_done = 1;
2029 }
2030
2031 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2032 {
2033 struct perf_evlist *evlist = script->session->evlist;
2034 struct perf_evsel *evsel;
2035
2036 evlist__for_each_entry(evlist, evsel) {
2037 if (!evsel->priv)
2038 break;
2039 perf_evsel_script__delete(evsel->priv);
2040 evsel->priv = NULL;
2041 }
2042 }
2043
2044 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2045 {
2046 struct perf_evsel *evsel;
2047
2048 evlist__for_each_entry(script->session->evlist, evsel) {
2049 /*
2050 * Already setup? I.e. we may be called twice in cases like
2051 * Intel PT, one for the intel_pt// and dummy events, then
2052 * for the evsels syntheized from the auxtrace info.
2053 *
2054 * Ses perf_script__process_auxtrace_info.
2055 */
2056 if (evsel->priv != NULL)
2057 continue;
2058
2059 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2060 if (evsel->priv == NULL)
2061 goto out_err_fclose;
2062 }
2063
2064 return 0;
2065
2066 out_err_fclose:
2067 perf_script__fclose_per_event_dump(script);
2068 return -1;
2069 }
2070
2071 static int perf_script__setup_per_event_dump(struct perf_script *script)
2072 {
2073 struct perf_evsel *evsel;
2074 static struct perf_evsel_script es_stdout;
2075
2076 if (script->per_event_dump)
2077 return perf_script__fopen_per_event_dump(script);
2078
2079 es_stdout.fp = stdout;
2080
2081 evlist__for_each_entry(script->session->evlist, evsel)
2082 evsel->priv = &es_stdout;
2083
2084 return 0;
2085 }
2086
2087 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2088 {
2089 struct perf_evsel *evsel;
2090
2091 evlist__for_each_entry(script->session->evlist, evsel) {
2092 struct perf_evsel_script *es = evsel->priv;
2093
2094 perf_evsel_script__fprintf(es, stdout);
2095 perf_evsel_script__delete(es);
2096 evsel->priv = NULL;
2097 }
2098 }
2099
2100 static int __cmd_script(struct perf_script *script)
2101 {
2102 int ret;
2103
2104 signal(SIGINT, sig_handler);
2105
2106 /* override event processing functions */
2107 if (script->show_task_events) {
2108 script->tool.comm = process_comm_event;
2109 script->tool.fork = process_fork_event;
2110 script->tool.exit = process_exit_event;
2111 }
2112 if (script->show_mmap_events) {
2113 script->tool.mmap = process_mmap_event;
2114 script->tool.mmap2 = process_mmap2_event;
2115 }
2116 if (script->show_switch_events)
2117 script->tool.context_switch = process_switch_event;
2118 if (script->show_namespace_events)
2119 script->tool.namespaces = process_namespaces_event;
2120
2121 if (perf_script__setup_per_event_dump(script)) {
2122 pr_err("Couldn't create the per event dump files\n");
2123 return -1;
2124 }
2125
2126 ret = perf_session__process_events(script->session);
2127
2128 if (script->per_event_dump)
2129 perf_script__exit_per_event_dump_stats(script);
2130
2131 if (debug_mode)
2132 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2133
2134 return ret;
2135 }
2136
2137 struct script_spec {
2138 struct list_head node;
2139 struct scripting_ops *ops;
2140 char spec[0];
2141 };
2142
2143 static LIST_HEAD(script_specs);
2144
2145 static struct script_spec *script_spec__new(const char *spec,
2146 struct scripting_ops *ops)
2147 {
2148 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2149
2150 if (s != NULL) {
2151 strcpy(s->spec, spec);
2152 s->ops = ops;
2153 }
2154
2155 return s;
2156 }
2157
2158 static void script_spec__add(struct script_spec *s)
2159 {
2160 list_add_tail(&s->node, &script_specs);
2161 }
2162
2163 static struct script_spec *script_spec__find(const char *spec)
2164 {
2165 struct script_spec *s;
2166
2167 list_for_each_entry(s, &script_specs, node)
2168 if (strcasecmp(s->spec, spec) == 0)
2169 return s;
2170 return NULL;
2171 }
2172
2173 int script_spec_register(const char *spec, struct scripting_ops *ops)
2174 {
2175 struct script_spec *s;
2176
2177 s = script_spec__find(spec);
2178 if (s)
2179 return -1;
2180
2181 s = script_spec__new(spec, ops);
2182 if (!s)
2183 return -1;
2184 else
2185 script_spec__add(s);
2186
2187 return 0;
2188 }
2189
2190 static struct scripting_ops *script_spec__lookup(const char *spec)
2191 {
2192 struct script_spec *s = script_spec__find(spec);
2193 if (!s)
2194 return NULL;
2195
2196 return s->ops;
2197 }
2198
2199 static void list_available_languages(void)
2200 {
2201 struct script_spec *s;
2202
2203 fprintf(stderr, "\n");
2204 fprintf(stderr, "Scripting language extensions (used in "
2205 "perf script -s [spec:]script.[spec]):\n\n");
2206
2207 list_for_each_entry(s, &script_specs, node)
2208 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2209
2210 fprintf(stderr, "\n");
2211 }
2212
2213 static int parse_scriptname(const struct option *opt __maybe_unused,
2214 const char *str, int unset __maybe_unused)
2215 {
2216 char spec[PATH_MAX];
2217 const char *script, *ext;
2218 int len;
2219
2220 if (strcmp(str, "lang") == 0) {
2221 list_available_languages();
2222 exit(0);
2223 }
2224
2225 script = strchr(str, ':');
2226 if (script) {
2227 len = script - str;
2228 if (len >= PATH_MAX) {
2229 fprintf(stderr, "invalid language specifier");
2230 return -1;
2231 }
2232 strncpy(spec, str, len);
2233 spec[len] = '\0';
2234 scripting_ops = script_spec__lookup(spec);
2235 if (!scripting_ops) {
2236 fprintf(stderr, "invalid language specifier");
2237 return -1;
2238 }
2239 script++;
2240 } else {
2241 script = str;
2242 ext = strrchr(script, '.');
2243 if (!ext) {
2244 fprintf(stderr, "invalid script extension");
2245 return -1;
2246 }
2247 scripting_ops = script_spec__lookup(++ext);
2248 if (!scripting_ops) {
2249 fprintf(stderr, "invalid script extension");
2250 return -1;
2251 }
2252 }
2253
2254 script_name = strdup(script);
2255
2256 return 0;
2257 }
2258
2259 static int parse_output_fields(const struct option *opt __maybe_unused,
2260 const char *arg, int unset __maybe_unused)
2261 {
2262 char *tok, *strtok_saveptr = NULL;
2263 int i, imax = ARRAY_SIZE(all_output_options);
2264 int j;
2265 int rc = 0;
2266 char *str = strdup(arg);
2267 int type = -1;
2268 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2269
2270 if (!str)
2271 return -ENOMEM;
2272
2273 /* first word can state for which event type the user is specifying
2274 * the fields. If no type exists, the specified fields apply to all
2275 * event types found in the file minus the invalid fields for a type.
2276 */
2277 tok = strchr(str, ':');
2278 if (tok) {
2279 *tok = '\0';
2280 tok++;
2281 if (!strcmp(str, "hw"))
2282 type = PERF_TYPE_HARDWARE;
2283 else if (!strcmp(str, "sw"))
2284 type = PERF_TYPE_SOFTWARE;
2285 else if (!strcmp(str, "trace"))
2286 type = PERF_TYPE_TRACEPOINT;
2287 else if (!strcmp(str, "raw"))
2288 type = PERF_TYPE_RAW;
2289 else if (!strcmp(str, "break"))
2290 type = PERF_TYPE_BREAKPOINT;
2291 else if (!strcmp(str, "synth"))
2292 type = OUTPUT_TYPE_SYNTH;
2293 else {
2294 fprintf(stderr, "Invalid event type in field string.\n");
2295 rc = -EINVAL;
2296 goto out;
2297 }
2298
2299 if (output[type].user_set)
2300 pr_warning("Overriding previous field request for %s events.\n",
2301 event_type(type));
2302
2303 output[type].fields = 0;
2304 output[type].user_set = true;
2305 output[type].wildcard_set = false;
2306
2307 } else {
2308 tok = str;
2309 if (strlen(str) == 0) {
2310 fprintf(stderr,
2311 "Cannot set fields to 'none' for all event types.\n");
2312 rc = -EINVAL;
2313 goto out;
2314 }
2315
2316 /* Don't override defaults for +- */
2317 if (strchr(str, '+') || strchr(str, '-'))
2318 goto parse;
2319
2320 if (output_set_by_user())
2321 pr_warning("Overriding previous field request for all events.\n");
2322
2323 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2324 output[j].fields = 0;
2325 output[j].user_set = true;
2326 output[j].wildcard_set = true;
2327 }
2328 }
2329
2330 parse:
2331 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2332 if (*tok == '+') {
2333 if (change == SET)
2334 goto out_badmix;
2335 change = ADD;
2336 tok++;
2337 } else if (*tok == '-') {
2338 if (change == SET)
2339 goto out_badmix;
2340 change = REMOVE;
2341 tok++;
2342 } else {
2343 if (change != SET && change != DEFAULT)
2344 goto out_badmix;
2345 change = SET;
2346 }
2347
2348 for (i = 0; i < imax; ++i) {
2349 if (strcmp(tok, all_output_options[i].str) == 0)
2350 break;
2351 }
2352 if (i == imax && strcmp(tok, "flags") == 0) {
2353 print_flags = change == REMOVE ? false : true;
2354 continue;
2355 }
2356 if (i == imax) {
2357 fprintf(stderr, "Invalid field requested.\n");
2358 rc = -EINVAL;
2359 goto out;
2360 }
2361
2362 if (type == -1) {
2363 /* add user option to all events types for
2364 * which it is valid
2365 */
2366 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2367 if (output[j].invalid_fields & all_output_options[i].field) {
2368 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2369 all_output_options[i].str, event_type(j));
2370 } else {
2371 if (change == REMOVE)
2372 output[j].fields &= ~all_output_options[i].field;
2373 else
2374 output[j].fields |= all_output_options[i].field;
2375 }
2376 }
2377 } else {
2378 if (output[type].invalid_fields & all_output_options[i].field) {
2379 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2380 all_output_options[i].str, event_type(type));
2381
2382 rc = -EINVAL;
2383 goto out;
2384 }
2385 output[type].fields |= all_output_options[i].field;
2386 }
2387 }
2388
2389 if (type >= 0) {
2390 if (output[type].fields == 0) {
2391 pr_debug("No fields requested for %s type. "
2392 "Events will not be displayed.\n", event_type(type));
2393 }
2394 }
2395 goto out;
2396
2397 out_badmix:
2398 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2399 rc = -EINVAL;
2400 out:
2401 free(str);
2402 return rc;
2403 }
2404
2405 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2406 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2407 if ((lang_dirent->d_type == DT_DIR || \
2408 (lang_dirent->d_type == DT_UNKNOWN && \
2409 is_directory(scripts_path, lang_dirent))) && \
2410 (strcmp(lang_dirent->d_name, ".")) && \
2411 (strcmp(lang_dirent->d_name, "..")))
2412
2413 #define for_each_script(lang_path, lang_dir, script_dirent) \
2414 while ((script_dirent = readdir(lang_dir)) != NULL) \
2415 if (script_dirent->d_type != DT_DIR && \
2416 (script_dirent->d_type != DT_UNKNOWN || \
2417 !is_directory(lang_path, script_dirent)))
2418
2419
2420 #define RECORD_SUFFIX "-record"
2421 #define REPORT_SUFFIX "-report"
2422
2423 struct script_desc {
2424 struct list_head node;
2425 char *name;
2426 char *half_liner;
2427 char *args;
2428 };
2429
2430 static LIST_HEAD(script_descs);
2431
2432 static struct script_desc *script_desc__new(const char *name)
2433 {
2434 struct script_desc *s = zalloc(sizeof(*s));
2435
2436 if (s != NULL && name)
2437 s->name = strdup(name);
2438
2439 return s;
2440 }
2441
2442 static void script_desc__delete(struct script_desc *s)
2443 {
2444 zfree(&s->name);
2445 zfree(&s->half_liner);
2446 zfree(&s->args);
2447 free(s);
2448 }
2449
2450 static void script_desc__add(struct script_desc *s)
2451 {
2452 list_add_tail(&s->node, &script_descs);
2453 }
2454
2455 static struct script_desc *script_desc__find(const char *name)
2456 {
2457 struct script_desc *s;
2458
2459 list_for_each_entry(s, &script_descs, node)
2460 if (strcasecmp(s->name, name) == 0)
2461 return s;
2462 return NULL;
2463 }
2464
2465 static struct script_desc *script_desc__findnew(const char *name)
2466 {
2467 struct script_desc *s = script_desc__find(name);
2468
2469 if (s)
2470 return s;
2471
2472 s = script_desc__new(name);
2473 if (!s)
2474 return NULL;
2475
2476 script_desc__add(s);
2477
2478 return s;
2479 }
2480
2481 static const char *ends_with(const char *str, const char *suffix)
2482 {
2483 size_t suffix_len = strlen(suffix);
2484 const char *p = str;
2485
2486 if (strlen(str) > suffix_len) {
2487 p = str + strlen(str) - suffix_len;
2488 if (!strncmp(p, suffix, suffix_len))
2489 return p;
2490 }
2491
2492 return NULL;
2493 }
2494
2495 static int read_script_info(struct script_desc *desc, const char *filename)
2496 {
2497 char line[BUFSIZ], *p;
2498 FILE *fp;
2499
2500 fp = fopen(filename, "r");
2501 if (!fp)
2502 return -1;
2503
2504 while (fgets(line, sizeof(line), fp)) {
2505 p = ltrim(line);
2506 if (strlen(p) == 0)
2507 continue;
2508 if (*p != '#')
2509 continue;
2510 p++;
2511 if (strlen(p) && *p == '!')
2512 continue;
2513
2514 p = ltrim(p);
2515 if (strlen(p) && p[strlen(p) - 1] == '\n')
2516 p[strlen(p) - 1] = '\0';
2517
2518 if (!strncmp(p, "description:", strlen("description:"))) {
2519 p += strlen("description:");
2520 desc->half_liner = strdup(ltrim(p));
2521 continue;
2522 }
2523
2524 if (!strncmp(p, "args:", strlen("args:"))) {
2525 p += strlen("args:");
2526 desc->args = strdup(ltrim(p));
2527 continue;
2528 }
2529 }
2530
2531 fclose(fp);
2532
2533 return 0;
2534 }
2535
2536 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2537 {
2538 char *script_root, *str;
2539
2540 script_root = strdup(script_dirent->d_name);
2541 if (!script_root)
2542 return NULL;
2543
2544 str = (char *)ends_with(script_root, suffix);
2545 if (!str) {
2546 free(script_root);
2547 return NULL;
2548 }
2549
2550 *str = '\0';
2551 return script_root;
2552 }
2553
2554 static int list_available_scripts(const struct option *opt __maybe_unused,
2555 const char *s __maybe_unused,
2556 int unset __maybe_unused)
2557 {
2558 struct dirent *script_dirent, *lang_dirent;
2559 char scripts_path[MAXPATHLEN];
2560 DIR *scripts_dir, *lang_dir;
2561 char script_path[MAXPATHLEN];
2562 char lang_path[MAXPATHLEN];
2563 struct script_desc *desc;
2564 char first_half[BUFSIZ];
2565 char *script_root;
2566
2567 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2568
2569 scripts_dir = opendir(scripts_path);
2570 if (!scripts_dir) {
2571 fprintf(stdout,
2572 "open(%s) failed.\n"
2573 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2574 scripts_path);
2575 exit(-1);
2576 }
2577
2578 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2579 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2580 lang_dirent->d_name);
2581 lang_dir = opendir(lang_path);
2582 if (!lang_dir)
2583 continue;
2584
2585 for_each_script(lang_path, lang_dir, script_dirent) {
2586 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2587 if (script_root) {
2588 desc = script_desc__findnew(script_root);
2589 snprintf(script_path, MAXPATHLEN, "%s/%s",
2590 lang_path, script_dirent->d_name);
2591 read_script_info(desc, script_path);
2592 free(script_root);
2593 }
2594 }
2595 }
2596
2597 fprintf(stdout, "List of available trace scripts:\n");
2598 list_for_each_entry(desc, &script_descs, node) {
2599 sprintf(first_half, "%s %s", desc->name,
2600 desc->args ? desc->args : "");
2601 fprintf(stdout, " %-36s %s\n", first_half,
2602 desc->half_liner ? desc->half_liner : "");
2603 }
2604
2605 exit(0);
2606 }
2607
2608 /*
2609 * Some scripts specify the required events in their "xxx-record" file,
2610 * this function will check if the events in perf.data match those
2611 * mentioned in the "xxx-record".
2612 *
2613 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2614 * which is covered well now. And new parsing code should be added to
2615 * cover the future complexing formats like event groups etc.
2616 */
2617 static int check_ev_match(char *dir_name, char *scriptname,
2618 struct perf_session *session)
2619 {
2620 char filename[MAXPATHLEN], evname[128];
2621 char line[BUFSIZ], *p;
2622 struct perf_evsel *pos;
2623 int match, len;
2624 FILE *fp;
2625
2626 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
2627
2628 fp = fopen(filename, "r");
2629 if (!fp)
2630 return -1;
2631
2632 while (fgets(line, sizeof(line), fp)) {
2633 p = ltrim(line);
2634 if (*p == '#')
2635 continue;
2636
2637 while (strlen(p)) {
2638 p = strstr(p, "-e");
2639 if (!p)
2640 break;
2641
2642 p += 2;
2643 p = ltrim(p);
2644 len = strcspn(p, " \t");
2645 if (!len)
2646 break;
2647
2648 snprintf(evname, len + 1, "%s", p);
2649
2650 match = 0;
2651 evlist__for_each_entry(session->evlist, pos) {
2652 if (!strcmp(perf_evsel__name(pos), evname)) {
2653 match = 1;
2654 break;
2655 }
2656 }
2657
2658 if (!match) {
2659 fclose(fp);
2660 return -1;
2661 }
2662 }
2663 }
2664
2665 fclose(fp);
2666 return 0;
2667 }
2668
2669 /*
2670 * Return -1 if none is found, otherwise the actual scripts number.
2671 *
2672 * Currently the only user of this function is the script browser, which
2673 * will list all statically runnable scripts, select one, execute it and
2674 * show the output in a perf browser.
2675 */
2676 int find_scripts(char **scripts_array, char **scripts_path_array)
2677 {
2678 struct dirent *script_dirent, *lang_dirent;
2679 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2680 DIR *scripts_dir, *lang_dir;
2681 struct perf_session *session;
2682 struct perf_data data = {
2683 .file = {
2684 .path = input_name,
2685 },
2686 .mode = PERF_DATA_MODE_READ,
2687 };
2688 char *temp;
2689 int i = 0;
2690
2691 session = perf_session__new(&data, false, NULL);
2692 if (!session)
2693 return -1;
2694
2695 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2696
2697 scripts_dir = opendir(scripts_path);
2698 if (!scripts_dir) {
2699 perf_session__delete(session);
2700 return -1;
2701 }
2702
2703 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2704 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2705 lang_dirent->d_name);
2706 #ifdef NO_LIBPERL
2707 if (strstr(lang_path, "perl"))
2708 continue;
2709 #endif
2710 #ifdef NO_LIBPYTHON
2711 if (strstr(lang_path, "python"))
2712 continue;
2713 #endif
2714
2715 lang_dir = opendir(lang_path);
2716 if (!lang_dir)
2717 continue;
2718
2719 for_each_script(lang_path, lang_dir, script_dirent) {
2720 /* Skip those real time scripts: xxxtop.p[yl] */
2721 if (strstr(script_dirent->d_name, "top."))
2722 continue;
2723 sprintf(scripts_path_array[i], "%s/%s", lang_path,
2724 script_dirent->d_name);
2725 temp = strchr(script_dirent->d_name, '.');
2726 snprintf(scripts_array[i],
2727 (temp - script_dirent->d_name) + 1,
2728 "%s", script_dirent->d_name);
2729
2730 if (check_ev_match(lang_path,
2731 scripts_array[i], session))
2732 continue;
2733
2734 i++;
2735 }
2736 closedir(lang_dir);
2737 }
2738
2739 closedir(scripts_dir);
2740 perf_session__delete(session);
2741 return i;
2742 }
2743
2744 static char *get_script_path(const char *script_root, const char *suffix)
2745 {
2746 struct dirent *script_dirent, *lang_dirent;
2747 char scripts_path[MAXPATHLEN];
2748 char script_path[MAXPATHLEN];
2749 DIR *scripts_dir, *lang_dir;
2750 char lang_path[MAXPATHLEN];
2751 char *__script_root;
2752
2753 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2754
2755 scripts_dir = opendir(scripts_path);
2756 if (!scripts_dir)
2757 return NULL;
2758
2759 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2760 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2761 lang_dirent->d_name);
2762 lang_dir = opendir(lang_path);
2763 if (!lang_dir)
2764 continue;
2765
2766 for_each_script(lang_path, lang_dir, script_dirent) {
2767 __script_root = get_script_root(script_dirent, suffix);
2768 if (__script_root && !strcmp(script_root, __script_root)) {
2769 free(__script_root);
2770 closedir(lang_dir);
2771 closedir(scripts_dir);
2772 snprintf(script_path, MAXPATHLEN, "%s/%s",
2773 lang_path, script_dirent->d_name);
2774 return strdup(script_path);
2775 }
2776 free(__script_root);
2777 }
2778 closedir(lang_dir);
2779 }
2780 closedir(scripts_dir);
2781
2782 return NULL;
2783 }
2784
2785 static bool is_top_script(const char *script_path)
2786 {
2787 return ends_with(script_path, "top") == NULL ? false : true;
2788 }
2789
2790 static int has_required_arg(char *script_path)
2791 {
2792 struct script_desc *desc;
2793 int n_args = 0;
2794 char *p;
2795
2796 desc = script_desc__new(NULL);
2797
2798 if (read_script_info(desc, script_path))
2799 goto out;
2800
2801 if (!desc->args)
2802 goto out;
2803
2804 for (p = desc->args; *p; p++)
2805 if (*p == '<')
2806 n_args++;
2807 out:
2808 script_desc__delete(desc);
2809
2810 return n_args;
2811 }
2812
2813 static int have_cmd(int argc, const char **argv)
2814 {
2815 char **__argv = malloc(sizeof(const char *) * argc);
2816
2817 if (!__argv) {
2818 pr_err("malloc failed\n");
2819 return -1;
2820 }
2821
2822 memcpy(__argv, argv, sizeof(const char *) * argc);
2823 argc = parse_options(argc, (const char **)__argv, record_options,
2824 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2825 free(__argv);
2826
2827 system_wide = (argc == 0);
2828
2829 return 0;
2830 }
2831
2832 static void script__setup_sample_type(struct perf_script *script)
2833 {
2834 struct perf_session *session = script->session;
2835 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2836
2837 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2838 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2839 (sample_type & PERF_SAMPLE_STACK_USER))
2840 callchain_param.record_mode = CALLCHAIN_DWARF;
2841 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2842 callchain_param.record_mode = CALLCHAIN_LBR;
2843 else
2844 callchain_param.record_mode = CALLCHAIN_FP;
2845 }
2846 }
2847
2848 static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2849 union perf_event *event,
2850 struct perf_session *session)
2851 {
2852 struct stat_round_event *round = &event->stat_round;
2853 struct perf_evsel *counter;
2854
2855 evlist__for_each_entry(session->evlist, counter) {
2856 perf_stat_process_counter(&stat_config, counter);
2857 process_stat(counter, round->time);
2858 }
2859
2860 process_stat_interval(round->time);
2861 return 0;
2862 }
2863
2864 static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2865 union perf_event *event,
2866 struct perf_session *session __maybe_unused)
2867 {
2868 perf_event__read_stat_config(&stat_config, &event->stat_config);
2869 return 0;
2870 }
2871
2872 static int set_maps(struct perf_script *script)
2873 {
2874 struct perf_evlist *evlist = script->session->evlist;
2875
2876 if (!script->cpus || !script->threads)
2877 return 0;
2878
2879 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2880 return -EINVAL;
2881
2882 perf_evlist__set_maps(evlist, script->cpus, script->threads);
2883
2884 if (perf_evlist__alloc_stats(evlist, true))
2885 return -ENOMEM;
2886
2887 script->allocated = true;
2888 return 0;
2889 }
2890
2891 static
2892 int process_thread_map_event(struct perf_tool *tool,
2893 union perf_event *event,
2894 struct perf_session *session __maybe_unused)
2895 {
2896 struct perf_script *script = container_of(tool, struct perf_script, tool);
2897
2898 if (script->threads) {
2899 pr_warning("Extra thread map event, ignoring.\n");
2900 return 0;
2901 }
2902
2903 script->threads = thread_map__new_event(&event->thread_map);
2904 if (!script->threads)
2905 return -ENOMEM;
2906
2907 return set_maps(script);
2908 }
2909
2910 static
2911 int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
2912 union perf_event *event,
2913 struct perf_session *session __maybe_unused)
2914 {
2915 struct perf_script *script = container_of(tool, struct perf_script, tool);
2916
2917 if (script->cpus) {
2918 pr_warning("Extra cpu map event, ignoring.\n");
2919 return 0;
2920 }
2921
2922 script->cpus = cpu_map__new_data(&event->cpu_map.data);
2923 if (!script->cpus)
2924 return -ENOMEM;
2925
2926 return set_maps(script);
2927 }
2928
2929 #ifdef HAVE_AUXTRACE_SUPPORT
2930 static int perf_script__process_auxtrace_info(struct perf_tool *tool,
2931 union perf_event *event,
2932 struct perf_session *session)
2933 {
2934 int ret = perf_event__process_auxtrace_info(tool, event, session);
2935
2936 if (ret == 0) {
2937 struct perf_script *script = container_of(tool, struct perf_script, tool);
2938
2939 ret = perf_script__setup_per_event_dump(script);
2940 }
2941
2942 return ret;
2943 }
2944 #else
2945 #define perf_script__process_auxtrace_info 0
2946 #endif
2947
2948 int cmd_script(int argc, const char **argv)
2949 {
2950 bool show_full_info = false;
2951 bool header = false;
2952 bool header_only = false;
2953 bool script_started = false;
2954 char *rec_script_path = NULL;
2955 char *rep_script_path = NULL;
2956 struct perf_session *session;
2957 struct itrace_synth_opts itrace_synth_opts = { .set = false, };
2958 char *script_path = NULL;
2959 const char **__argv;
2960 int i, j, err = 0;
2961 struct perf_script script = {
2962 .tool = {
2963 .sample = process_sample_event,
2964 .mmap = perf_event__process_mmap,
2965 .mmap2 = perf_event__process_mmap2,
2966 .comm = perf_event__process_comm,
2967 .namespaces = perf_event__process_namespaces,
2968 .exit = perf_event__process_exit,
2969 .fork = perf_event__process_fork,
2970 .attr = process_attr,
2971 .event_update = perf_event__process_event_update,
2972 .tracing_data = perf_event__process_tracing_data,
2973 .feature = perf_event__process_feature,
2974 .build_id = perf_event__process_build_id,
2975 .id_index = perf_event__process_id_index,
2976 .auxtrace_info = perf_script__process_auxtrace_info,
2977 .auxtrace = perf_event__process_auxtrace,
2978 .auxtrace_error = perf_event__process_auxtrace_error,
2979 .stat = perf_event__process_stat_event,
2980 .stat_round = process_stat_round_event,
2981 .stat_config = process_stat_config_event,
2982 .thread_map = process_thread_map_event,
2983 .cpu_map = process_cpu_map_event,
2984 .ordered_events = true,
2985 .ordering_requires_timestamps = true,
2986 },
2987 };
2988 struct perf_data data = {
2989 .mode = PERF_DATA_MODE_READ,
2990 };
2991 const struct option options[] = {
2992 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
2993 "dump raw trace in ASCII"),
2994 OPT_INCR('v', "verbose", &verbose,
2995 "be more verbose (show symbol address, etc)"),
2996 OPT_BOOLEAN('L', "Latency", &latency_format,
2997 "show latency attributes (irqs/preemption disabled, etc)"),
2998 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
2999 list_available_scripts),
3000 OPT_CALLBACK('s', "script", NULL, "name",
3001 "script file name (lang:script name, script name, or *)",
3002 parse_scriptname),
3003 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3004 "generate perf-script.xx script in specified language"),
3005 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3006 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3007 "do various checks like samples ordering and lost events"),
3008 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3009 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3010 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3011 "file", "vmlinux pathname"),
3012 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3013 "file", "kallsyms pathname"),
3014 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3015 "When printing symbols do not display call chain"),
3016 OPT_CALLBACK(0, "symfs", NULL, "directory",
3017 "Look for files with symbols relative to this directory",
3018 symbol__config_symfs),
3019 OPT_CALLBACK('F', "fields", NULL, "str",
3020 "comma separated output fields prepend with 'type:'. "
3021 "+field to add and -field to remove."
3022 "Valid types: hw,sw,trace,raw,synth. "
3023 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3024 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3025 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3026 parse_output_fields),
3027 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3028 "system-wide collection from all CPUs"),
3029 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3030 "only consider these symbols"),
3031 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3032 "Stop display of callgraph at these symbols"),
3033 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3034 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3035 "only display events for these comms"),
3036 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3037 "only consider symbols in these pids"),
3038 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3039 "only consider symbols in these tids"),
3040 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3041 "Set the maximum stack depth when parsing the callchain, "
3042 "anything beyond the specified depth will be ignored. "
3043 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3044 OPT_BOOLEAN('I', "show-info", &show_full_info,
3045 "display extended information from perf.data file"),
3046 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3047 "Show the path of [kernel.kallsyms]"),
3048 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3049 "Show the fork/comm/exit events"),
3050 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3051 "Show the mmap events"),
3052 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3053 "Show context switch events (if recorded)"),
3054 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3055 "Show namespace events (if recorded)"),
3056 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3057 "Dump trace output to files named by the monitored events"),
3058 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3059 OPT_INTEGER(0, "max-blocks", &max_blocks,
3060 "Maximum number of code blocks to dump with brstackinsn"),
3061 OPT_BOOLEAN(0, "ns", &nanosecs,
3062 "Use 9 decimal places when displaying time"),
3063 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3064 "Instruction Tracing options",
3065 itrace_parse_synth_opts),
3066 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3067 "Show full source file name path for source lines"),
3068 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3069 "Enable symbol demangling"),
3070 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3071 "Enable kernel symbol demangling"),
3072 OPT_STRING(0, "time", &script.time_str, "str",
3073 "Time span of interest (start,stop)"),
3074 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3075 "Show inline function"),
3076 OPT_END()
3077 };
3078 const char * const script_subcommands[] = { "record", "report", NULL };
3079 const char *script_usage[] = {
3080 "perf script [<options>]",
3081 "perf script [<options>] record <script> [<record-options>] <command>",
3082 "perf script [<options>] report <script> [script-args]",
3083 "perf script [<options>] <script> [<record-options>] <command>",
3084 "perf script [<options>] <top-script> [script-args]",
3085 NULL
3086 };
3087
3088 perf_set_singlethreaded();
3089
3090 setup_scripting();
3091
3092 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3093 PARSE_OPT_STOP_AT_NON_OPTION);
3094
3095 data.file.path = input_name;
3096 data.force = symbol_conf.force;
3097
3098 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3099 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3100 if (!rec_script_path)
3101 return cmd_record(argc, argv);
3102 }
3103
3104 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3105 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3106 if (!rep_script_path) {
3107 fprintf(stderr,
3108 "Please specify a valid report script"
3109 "(see 'perf script -l' for listing)\n");
3110 return -1;
3111 }
3112 }
3113
3114 if (itrace_synth_opts.callchain &&
3115 itrace_synth_opts.callchain_sz > scripting_max_stack)
3116 scripting_max_stack = itrace_synth_opts.callchain_sz;
3117
3118 /* make sure PERF_EXEC_PATH is set for scripts */
3119 set_argv_exec_path(get_argv_exec_path());
3120
3121 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3122 int live_pipe[2];
3123 int rep_args;
3124 pid_t pid;
3125
3126 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3127 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3128
3129 if (!rec_script_path && !rep_script_path) {
3130 usage_with_options_msg(script_usage, options,
3131 "Couldn't find script `%s'\n\n See perf"
3132 " script -l for available scripts.\n", argv[0]);
3133 }
3134
3135 if (is_top_script(argv[0])) {
3136 rep_args = argc - 1;
3137 } else {
3138 int rec_args;
3139
3140 rep_args = has_required_arg(rep_script_path);
3141 rec_args = (argc - 1) - rep_args;
3142 if (rec_args < 0) {
3143 usage_with_options_msg(script_usage, options,
3144 "`%s' script requires options."
3145 "\n\n See perf script -l for available "
3146 "scripts and options.\n", argv[0]);
3147 }
3148 }
3149
3150 if (pipe(live_pipe) < 0) {
3151 perror("failed to create pipe");
3152 return -1;
3153 }
3154
3155 pid = fork();
3156 if (pid < 0) {
3157 perror("failed to fork");
3158 return -1;
3159 }
3160
3161 if (!pid) {
3162 j = 0;
3163
3164 dup2(live_pipe[1], 1);
3165 close(live_pipe[0]);
3166
3167 if (is_top_script(argv[0])) {
3168 system_wide = true;
3169 } else if (!system_wide) {
3170 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3171 err = -1;
3172 goto out;
3173 }
3174 }
3175
3176 __argv = malloc((argc + 6) * sizeof(const char *));
3177 if (!__argv) {
3178 pr_err("malloc failed\n");
3179 err = -ENOMEM;
3180 goto out;
3181 }
3182
3183 __argv[j++] = "/bin/sh";
3184 __argv[j++] = rec_script_path;
3185 if (system_wide)
3186 __argv[j++] = "-a";
3187 __argv[j++] = "-q";
3188 __argv[j++] = "-o";
3189 __argv[j++] = "-";
3190 for (i = rep_args + 1; i < argc; i++)
3191 __argv[j++] = argv[i];
3192 __argv[j++] = NULL;
3193
3194 execvp("/bin/sh", (char **)__argv);
3195 free(__argv);
3196 exit(-1);
3197 }
3198
3199 dup2(live_pipe[0], 0);
3200 close(live_pipe[1]);
3201
3202 __argv = malloc((argc + 4) * sizeof(const char *));
3203 if (!__argv) {
3204 pr_err("malloc failed\n");
3205 err = -ENOMEM;
3206 goto out;
3207 }
3208
3209 j = 0;
3210 __argv[j++] = "/bin/sh";
3211 __argv[j++] = rep_script_path;
3212 for (i = 1; i < rep_args + 1; i++)
3213 __argv[j++] = argv[i];
3214 __argv[j++] = "-i";
3215 __argv[j++] = "-";
3216 __argv[j++] = NULL;
3217
3218 execvp("/bin/sh", (char **)__argv);
3219 free(__argv);
3220 exit(-1);
3221 }
3222
3223 if (rec_script_path)
3224 script_path = rec_script_path;
3225 if (rep_script_path)
3226 script_path = rep_script_path;
3227
3228 if (script_path) {
3229 j = 0;
3230
3231 if (!rec_script_path)
3232 system_wide = false;
3233 else if (!system_wide) {
3234 if (have_cmd(argc - 1, &argv[1]) != 0) {
3235 err = -1;
3236 goto out;
3237 }
3238 }
3239
3240 __argv = malloc((argc + 2) * sizeof(const char *));
3241 if (!__argv) {
3242 pr_err("malloc failed\n");
3243 err = -ENOMEM;
3244 goto out;
3245 }
3246
3247 __argv[j++] = "/bin/sh";
3248 __argv[j++] = script_path;
3249 if (system_wide)
3250 __argv[j++] = "-a";
3251 for (i = 2; i < argc; i++)
3252 __argv[j++] = argv[i];
3253 __argv[j++] = NULL;
3254
3255 execvp("/bin/sh", (char **)__argv);
3256 free(__argv);
3257 exit(-1);
3258 }
3259
3260 if (!script_name)
3261 setup_pager();
3262
3263 session = perf_session__new(&data, false, &script.tool);
3264 if (session == NULL)
3265 return -1;
3266
3267 if (header || header_only) {
3268 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3269 perf_session__fprintf_info(session, stdout, show_full_info);
3270 if (header_only)
3271 goto out_delete;
3272 }
3273 if (show_full_info)
3274 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3275
3276 if (symbol__init(&session->header.env) < 0)
3277 goto out_delete;
3278
3279 script.session = session;
3280 script__setup_sample_type(&script);
3281
3282 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
3283 itrace_synth_opts.thread_stack = true;
3284
3285 session->itrace_synth_opts = &itrace_synth_opts;
3286
3287 if (cpu_list) {
3288 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3289 if (err < 0)
3290 goto out_delete;
3291 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3292 }
3293
3294 if (!no_callchain)
3295 symbol_conf.use_callchain = true;
3296 else
3297 symbol_conf.use_callchain = false;
3298
3299 if (session->tevent.pevent &&
3300 pevent_set_function_resolver(session->tevent.pevent,
3301 machine__resolve_kernel_addr,
3302 &session->machines.host) < 0) {
3303 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3304 err = -1;
3305 goto out_delete;
3306 }
3307
3308 if (generate_script_lang) {
3309 struct stat perf_stat;
3310 int input;
3311
3312 if (output_set_by_user()) {
3313 fprintf(stderr,
3314 "custom fields not supported for generated scripts");
3315 err = -EINVAL;
3316 goto out_delete;
3317 }
3318
3319 input = open(data.file.path, O_RDONLY); /* input_name */
3320 if (input < 0) {
3321 err = -errno;
3322 perror("failed to open file");
3323 goto out_delete;
3324 }
3325
3326 err = fstat(input, &perf_stat);
3327 if (err < 0) {
3328 perror("failed to stat file");
3329 goto out_delete;
3330 }
3331
3332 if (!perf_stat.st_size) {
3333 fprintf(stderr, "zero-sized file, nothing to do!\n");
3334 goto out_delete;
3335 }
3336
3337 scripting_ops = script_spec__lookup(generate_script_lang);
3338 if (!scripting_ops) {
3339 fprintf(stderr, "invalid language specifier");
3340 err = -ENOENT;
3341 goto out_delete;
3342 }
3343
3344 err = scripting_ops->generate_script(session->tevent.pevent,
3345 "perf-script");
3346 goto out_delete;
3347 }
3348
3349 if (script_name) {
3350 err = scripting_ops->start_script(script_name, argc, argv);
3351 if (err)
3352 goto out_delete;
3353 pr_debug("perf script started with script %s\n\n", script_name);
3354 script_started = true;
3355 }
3356
3357
3358 err = perf_session__check_output_opt(session);
3359 if (err < 0)
3360 goto out_delete;
3361
3362 /* needs to be parsed after looking up reference time */
3363 if (perf_time__parse_str(&script.ptime, script.time_str) != 0) {
3364 pr_err("Invalid time string\n");
3365 err = -EINVAL;
3366 goto out_delete;
3367 }
3368
3369 err = __cmd_script(&script);
3370
3371 flush_scripting();
3372
3373 out_delete:
3374 perf_evlist__free_stats(session->evlist);
3375 perf_session__delete(session);
3376
3377 if (script_started)
3378 cleanup_scripting();
3379 out:
3380 return err;
3381 }
Ubuntu Hirsute Linux kernel mirror