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