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