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Commit | Line | Data |
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1 | /* | |
2 | * builtin-report.c | |
3 | * | |
4 | * Builtin report command: Analyze the perf.data input file, | |
5 | * look up and read DSOs and symbol information and display | |
6 | * a histogram of results, along various sorting keys. | |
7 | */ | |
8 | #include "builtin.h" | |
9 | ||
10 | #include "util/util.h" | |
11 | ||
12 | #include "util/color.h" | |
13 | #include <linux/list.h> | |
14 | #include "util/cache.h" | |
15 | #include <linux/rbtree.h> | |
16 | #include "util/symbol.h" | |
17 | #include "util/string.h" | |
18 | #include "util/callchain.h" | |
19 | #include "util/strlist.h" | |
20 | #include "util/values.h" | |
21 | ||
22 | #include "perf.h" | |
23 | #include "util/debug.h" | |
24 | #include "util/header.h" | |
25 | #include "util/session.h" | |
26 | ||
27 | #include "util/parse-options.h" | |
28 | #include "util/parse-events.h" | |
29 | ||
30 | #include "util/thread.h" | |
31 | #include "util/sort.h" | |
32 | #include "util/hist.h" | |
33 | ||
34 | static char const *input_name = "perf.data"; | |
35 | ||
36 | static char *dso_list_str, *comm_list_str, *sym_list_str, | |
37 | *col_width_list_str; | |
38 | static struct strlist *dso_list, *comm_list, *sym_list; | |
39 | ||
40 | static int force; | |
41 | ||
42 | static int full_paths; | |
43 | static int show_nr_samples; | |
44 | ||
45 | static int show_threads; | |
46 | static struct perf_read_values show_threads_values; | |
47 | ||
48 | static char default_pretty_printing_style[] = "normal"; | |
49 | static char *pretty_printing_style = default_pretty_printing_style; | |
50 | ||
51 | static int exclude_other = 1; | |
52 | ||
53 | static char callchain_default_opt[] = "fractal,0.5"; | |
54 | ||
55 | static u64 sample_type; | |
56 | ||
57 | struct symbol_conf symbol_conf; | |
58 | ||
59 | ||
60 | static size_t | |
61 | callchain__fprintf_left_margin(FILE *fp, int left_margin) | |
62 | { | |
63 | int i; | |
64 | int ret; | |
65 | ||
66 | ret = fprintf(fp, " "); | |
67 | ||
68 | for (i = 0; i < left_margin; i++) | |
69 | ret += fprintf(fp, " "); | |
70 | ||
71 | return ret; | |
72 | } | |
73 | ||
74 | static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask, | |
75 | int left_margin) | |
76 | { | |
77 | int i; | |
78 | size_t ret = 0; | |
79 | ||
80 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
81 | ||
82 | for (i = 0; i < depth; i++) | |
83 | if (depth_mask & (1 << i)) | |
84 | ret += fprintf(fp, "| "); | |
85 | else | |
86 | ret += fprintf(fp, " "); | |
87 | ||
88 | ret += fprintf(fp, "\n"); | |
89 | ||
90 | return ret; | |
91 | } | |
92 | static size_t | |
93 | ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth, | |
94 | int depth_mask, int count, u64 total_samples, | |
95 | int hits, int left_margin) | |
96 | { | |
97 | int i; | |
98 | size_t ret = 0; | |
99 | ||
100 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
101 | for (i = 0; i < depth; i++) { | |
102 | if (depth_mask & (1 << i)) | |
103 | ret += fprintf(fp, "|"); | |
104 | else | |
105 | ret += fprintf(fp, " "); | |
106 | if (!count && i == depth - 1) { | |
107 | double percent; | |
108 | ||
109 | percent = hits * 100.0 / total_samples; | |
110 | ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent); | |
111 | } else | |
112 | ret += fprintf(fp, "%s", " "); | |
113 | } | |
114 | if (chain->sym) | |
115 | ret += fprintf(fp, "%s\n", chain->sym->name); | |
116 | else | |
117 | ret += fprintf(fp, "%p\n", (void *)(long)chain->ip); | |
118 | ||
119 | return ret; | |
120 | } | |
121 | ||
122 | static struct symbol *rem_sq_bracket; | |
123 | static struct callchain_list rem_hits; | |
124 | ||
125 | static void init_rem_hits(void) | |
126 | { | |
127 | rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6); | |
128 | if (!rem_sq_bracket) { | |
129 | fprintf(stderr, "Not enough memory to display remaining hits\n"); | |
130 | return; | |
131 | } | |
132 | ||
133 | strcpy(rem_sq_bracket->name, "[...]"); | |
134 | rem_hits.sym = rem_sq_bracket; | |
135 | } | |
136 | ||
137 | static size_t | |
138 | __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
139 | u64 total_samples, int depth, int depth_mask, | |
140 | int left_margin) | |
141 | { | |
142 | struct rb_node *node, *next; | |
143 | struct callchain_node *child; | |
144 | struct callchain_list *chain; | |
145 | int new_depth_mask = depth_mask; | |
146 | u64 new_total; | |
147 | u64 remaining; | |
148 | size_t ret = 0; | |
149 | int i; | |
150 | ||
151 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
152 | new_total = self->children_hit; | |
153 | else | |
154 | new_total = total_samples; | |
155 | ||
156 | remaining = new_total; | |
157 | ||
158 | node = rb_first(&self->rb_root); | |
159 | while (node) { | |
160 | u64 cumul; | |
161 | ||
162 | child = rb_entry(node, struct callchain_node, rb_node); | |
163 | cumul = cumul_hits(child); | |
164 | remaining -= cumul; | |
165 | ||
166 | /* | |
167 | * The depth mask manages the output of pipes that show | |
168 | * the depth. We don't want to keep the pipes of the current | |
169 | * level for the last child of this depth. | |
170 | * Except if we have remaining filtered hits. They will | |
171 | * supersede the last child | |
172 | */ | |
173 | next = rb_next(node); | |
174 | if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining)) | |
175 | new_depth_mask &= ~(1 << (depth - 1)); | |
176 | ||
177 | /* | |
178 | * But we keep the older depth mask for the line seperator | |
179 | * to keep the level link until we reach the last child | |
180 | */ | |
181 | ret += ipchain__fprintf_graph_line(fp, depth, depth_mask, | |
182 | left_margin); | |
183 | i = 0; | |
184 | list_for_each_entry(chain, &child->val, list) { | |
185 | if (chain->ip >= PERF_CONTEXT_MAX) | |
186 | continue; | |
187 | ret += ipchain__fprintf_graph(fp, chain, depth, | |
188 | new_depth_mask, i++, | |
189 | new_total, | |
190 | cumul, | |
191 | left_margin); | |
192 | } | |
193 | ret += __callchain__fprintf_graph(fp, child, new_total, | |
194 | depth + 1, | |
195 | new_depth_mask | (1 << depth), | |
196 | left_margin); | |
197 | node = next; | |
198 | } | |
199 | ||
200 | if (callchain_param.mode == CHAIN_GRAPH_REL && | |
201 | remaining && remaining != new_total) { | |
202 | ||
203 | if (!rem_sq_bracket) | |
204 | return ret; | |
205 | ||
206 | new_depth_mask &= ~(1 << (depth - 1)); | |
207 | ||
208 | ret += ipchain__fprintf_graph(fp, &rem_hits, depth, | |
209 | new_depth_mask, 0, new_total, | |
210 | remaining, left_margin); | |
211 | } | |
212 | ||
213 | return ret; | |
214 | } | |
215 | ||
216 | ||
217 | static size_t | |
218 | callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
219 | u64 total_samples, int left_margin) | |
220 | { | |
221 | struct callchain_list *chain; | |
222 | bool printed = false; | |
223 | int i = 0; | |
224 | int ret = 0; | |
225 | ||
226 | list_for_each_entry(chain, &self->val, list) { | |
227 | if (chain->ip >= PERF_CONTEXT_MAX) | |
228 | continue; | |
229 | ||
230 | if (!i++ && sort__first_dimension == SORT_SYM) | |
231 | continue; | |
232 | ||
233 | if (!printed) { | |
234 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
235 | ret += fprintf(fp, "|\n"); | |
236 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
237 | ret += fprintf(fp, "---"); | |
238 | ||
239 | left_margin += 3; | |
240 | printed = true; | |
241 | } else | |
242 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
243 | ||
244 | if (chain->sym) | |
245 | ret += fprintf(fp, " %s\n", chain->sym->name); | |
246 | else | |
247 | ret += fprintf(fp, " %p\n", (void *)(long)chain->ip); | |
248 | } | |
249 | ||
250 | ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin); | |
251 | ||
252 | return ret; | |
253 | } | |
254 | ||
255 | static size_t | |
256 | callchain__fprintf_flat(FILE *fp, struct callchain_node *self, | |
257 | u64 total_samples) | |
258 | { | |
259 | struct callchain_list *chain; | |
260 | size_t ret = 0; | |
261 | ||
262 | if (!self) | |
263 | return 0; | |
264 | ||
265 | ret += callchain__fprintf_flat(fp, self->parent, total_samples); | |
266 | ||
267 | ||
268 | list_for_each_entry(chain, &self->val, list) { | |
269 | if (chain->ip >= PERF_CONTEXT_MAX) | |
270 | continue; | |
271 | if (chain->sym) | |
272 | ret += fprintf(fp, " %s\n", chain->sym->name); | |
273 | else | |
274 | ret += fprintf(fp, " %p\n", | |
275 | (void *)(long)chain->ip); | |
276 | } | |
277 | ||
278 | return ret; | |
279 | } | |
280 | ||
281 | static size_t | |
282 | hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, | |
283 | u64 total_samples, int left_margin) | |
284 | { | |
285 | struct rb_node *rb_node; | |
286 | struct callchain_node *chain; | |
287 | size_t ret = 0; | |
288 | ||
289 | rb_node = rb_first(&self->sorted_chain); | |
290 | while (rb_node) { | |
291 | double percent; | |
292 | ||
293 | chain = rb_entry(rb_node, struct callchain_node, rb_node); | |
294 | percent = chain->hit * 100.0 / total_samples; | |
295 | switch (callchain_param.mode) { | |
296 | case CHAIN_FLAT: | |
297 | ret += percent_color_fprintf(fp, " %6.2f%%\n", | |
298 | percent); | |
299 | ret += callchain__fprintf_flat(fp, chain, total_samples); | |
300 | break; | |
301 | case CHAIN_GRAPH_ABS: /* Falldown */ | |
302 | case CHAIN_GRAPH_REL: | |
303 | ret += callchain__fprintf_graph(fp, chain, total_samples, | |
304 | left_margin); | |
305 | case CHAIN_NONE: | |
306 | default: | |
307 | break; | |
308 | } | |
309 | ret += fprintf(fp, "\n"); | |
310 | rb_node = rb_next(rb_node); | |
311 | } | |
312 | ||
313 | return ret; | |
314 | } | |
315 | ||
316 | static size_t | |
317 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) | |
318 | { | |
319 | struct sort_entry *se; | |
320 | size_t ret; | |
321 | ||
322 | if (exclude_other && !self->parent) | |
323 | return 0; | |
324 | ||
325 | if (total_samples) | |
326 | ret = percent_color_fprintf(fp, | |
327 | field_sep ? "%.2f" : " %6.2f%%", | |
328 | (self->count * 100.0) / total_samples); | |
329 | else | |
330 | ret = fprintf(fp, field_sep ? "%lld" : "%12lld ", self->count); | |
331 | ||
332 | if (show_nr_samples) { | |
333 | if (field_sep) | |
334 | fprintf(fp, "%c%lld", *field_sep, self->count); | |
335 | else | |
336 | fprintf(fp, "%11lld", self->count); | |
337 | } | |
338 | ||
339 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
340 | if (se->elide) | |
341 | continue; | |
342 | ||
343 | fprintf(fp, "%s", field_sep ?: " "); | |
344 | ret += se->print(fp, self, se->width ? *se->width : 0); | |
345 | } | |
346 | ||
347 | ret += fprintf(fp, "\n"); | |
348 | ||
349 | if (callchain) { | |
350 | int left_margin = 0; | |
351 | ||
352 | if (sort__first_dimension == SORT_COMM) { | |
353 | se = list_first_entry(&hist_entry__sort_list, typeof(*se), | |
354 | list); | |
355 | left_margin = se->width ? *se->width : 0; | |
356 | left_margin -= thread__comm_len(self->thread); | |
357 | } | |
358 | ||
359 | hist_entry_callchain__fprintf(fp, self, total_samples, | |
360 | left_margin); | |
361 | } | |
362 | ||
363 | return ret; | |
364 | } | |
365 | ||
366 | /* | |
367 | * | |
368 | */ | |
369 | ||
370 | static void dso__calc_col_width(struct dso *self) | |
371 | { | |
372 | if (!col_width_list_str && !field_sep && | |
373 | (!dso_list || strlist__has_entry(dso_list, self->name))) { | |
374 | unsigned int slen = strlen(self->name); | |
375 | if (slen > dsos__col_width) | |
376 | dsos__col_width = slen; | |
377 | } | |
378 | ||
379 | self->slen_calculated = 1; | |
380 | } | |
381 | ||
382 | static void thread__comm_adjust(struct thread *self) | |
383 | { | |
384 | char *comm = self->comm; | |
385 | ||
386 | if (!col_width_list_str && !field_sep && | |
387 | (!comm_list || strlist__has_entry(comm_list, comm))) { | |
388 | unsigned int slen = strlen(comm); | |
389 | ||
390 | if (slen > comms__col_width) { | |
391 | comms__col_width = slen; | |
392 | threads__col_width = slen + 6; | |
393 | } | |
394 | } | |
395 | } | |
396 | ||
397 | static int thread__set_comm_adjust(struct thread *self, const char *comm) | |
398 | { | |
399 | int ret = thread__set_comm(self, comm); | |
400 | ||
401 | if (ret) | |
402 | return ret; | |
403 | ||
404 | thread__comm_adjust(self); | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static int call__match(struct symbol *sym) | |
410 | { | |
411 | if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) | |
412 | return 1; | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
417 | static struct symbol **resolve_callchain(struct thread *thread, | |
418 | struct ip_callchain *chain, | |
419 | struct symbol **parent) | |
420 | { | |
421 | u8 cpumode = PERF_RECORD_MISC_USER; | |
422 | struct symbol **syms = NULL; | |
423 | unsigned int i; | |
424 | ||
425 | if (callchain) { | |
426 | syms = calloc(chain->nr, sizeof(*syms)); | |
427 | if (!syms) { | |
428 | fprintf(stderr, "Can't allocate memory for symbols\n"); | |
429 | exit(-1); | |
430 | } | |
431 | } | |
432 | ||
433 | for (i = 0; i < chain->nr; i++) { | |
434 | u64 ip = chain->ips[i]; | |
435 | struct addr_location al; | |
436 | ||
437 | if (ip >= PERF_CONTEXT_MAX) { | |
438 | switch (ip) { | |
439 | case PERF_CONTEXT_HV: | |
440 | cpumode = PERF_RECORD_MISC_HYPERVISOR; break; | |
441 | case PERF_CONTEXT_KERNEL: | |
442 | cpumode = PERF_RECORD_MISC_KERNEL; break; | |
443 | case PERF_CONTEXT_USER: | |
444 | cpumode = PERF_RECORD_MISC_USER; break; | |
445 | default: | |
446 | break; | |
447 | } | |
448 | continue; | |
449 | } | |
450 | ||
451 | thread__find_addr_location(thread, cpumode, MAP__FUNCTION, | |
452 | ip, &al, NULL); | |
453 | if (al.sym != NULL) { | |
454 | if (sort__has_parent && !*parent && | |
455 | call__match(al.sym)) | |
456 | *parent = al.sym; | |
457 | if (!callchain) | |
458 | break; | |
459 | syms[i] = al.sym; | |
460 | } | |
461 | } | |
462 | ||
463 | return syms; | |
464 | } | |
465 | ||
466 | /* | |
467 | * collect histogram counts | |
468 | */ | |
469 | ||
470 | static int hist_entry__add(struct addr_location *al, | |
471 | struct ip_callchain *chain, u64 count) | |
472 | { | |
473 | struct symbol **syms = NULL, *parent = NULL; | |
474 | bool hit; | |
475 | struct hist_entry *he; | |
476 | ||
477 | if ((sort__has_parent || callchain) && chain) | |
478 | syms = resolve_callchain(al->thread, chain, &parent); | |
479 | ||
480 | he = __hist_entry__add(al, parent, count, &hit); | |
481 | if (he == NULL) | |
482 | return -ENOMEM; | |
483 | ||
484 | if (hit) | |
485 | he->count += count; | |
486 | ||
487 | if (callchain) { | |
488 | if (!hit) | |
489 | callchain_init(&he->callchain); | |
490 | append_chain(&he->callchain, chain, syms); | |
491 | free(syms); | |
492 | } | |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
497 | static size_t output__fprintf(FILE *fp, u64 total_samples) | |
498 | { | |
499 | struct hist_entry *pos; | |
500 | struct sort_entry *se; | |
501 | struct rb_node *nd; | |
502 | size_t ret = 0; | |
503 | unsigned int width; | |
504 | char *col_width = col_width_list_str; | |
505 | int raw_printing_style; | |
506 | ||
507 | raw_printing_style = !strcmp(pretty_printing_style, "raw"); | |
508 | ||
509 | init_rem_hits(); | |
510 | ||
511 | fprintf(fp, "# Samples: %Ld\n", (u64)total_samples); | |
512 | fprintf(fp, "#\n"); | |
513 | ||
514 | fprintf(fp, "# Overhead"); | |
515 | if (show_nr_samples) { | |
516 | if (field_sep) | |
517 | fprintf(fp, "%cSamples", *field_sep); | |
518 | else | |
519 | fputs(" Samples ", fp); | |
520 | } | |
521 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
522 | if (se->elide) | |
523 | continue; | |
524 | if (field_sep) { | |
525 | fprintf(fp, "%c%s", *field_sep, se->header); | |
526 | continue; | |
527 | } | |
528 | width = strlen(se->header); | |
529 | if (se->width) { | |
530 | if (col_width_list_str) { | |
531 | if (col_width) { | |
532 | *se->width = atoi(col_width); | |
533 | col_width = strchr(col_width, ','); | |
534 | if (col_width) | |
535 | ++col_width; | |
536 | } | |
537 | } | |
538 | width = *se->width = max(*se->width, width); | |
539 | } | |
540 | fprintf(fp, " %*s", width, se->header); | |
541 | } | |
542 | fprintf(fp, "\n"); | |
543 | ||
544 | if (field_sep) | |
545 | goto print_entries; | |
546 | ||
547 | fprintf(fp, "# ........"); | |
548 | if (show_nr_samples) | |
549 | fprintf(fp, " .........."); | |
550 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
551 | unsigned int i; | |
552 | ||
553 | if (se->elide) | |
554 | continue; | |
555 | ||
556 | fprintf(fp, " "); | |
557 | if (se->width) | |
558 | width = *se->width; | |
559 | else | |
560 | width = strlen(se->header); | |
561 | for (i = 0; i < width; i++) | |
562 | fprintf(fp, "."); | |
563 | } | |
564 | fprintf(fp, "\n"); | |
565 | ||
566 | fprintf(fp, "#\n"); | |
567 | ||
568 | print_entries: | |
569 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { | |
570 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
571 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
572 | } | |
573 | ||
574 | if (sort_order == default_sort_order && | |
575 | parent_pattern == default_parent_pattern) { | |
576 | fprintf(fp, "#\n"); | |
577 | fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n"); | |
578 | fprintf(fp, "#\n"); | |
579 | } | |
580 | fprintf(fp, "\n"); | |
581 | ||
582 | free(rem_sq_bracket); | |
583 | ||
584 | if (show_threads) | |
585 | perf_read_values_display(fp, &show_threads_values, | |
586 | raw_printing_style); | |
587 | ||
588 | return ret; | |
589 | } | |
590 | ||
591 | static int validate_chain(struct ip_callchain *chain, event_t *event) | |
592 | { | |
593 | unsigned int chain_size; | |
594 | ||
595 | chain_size = event->header.size; | |
596 | chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event; | |
597 | ||
598 | if (chain->nr*sizeof(u64) > chain_size) | |
599 | return -1; | |
600 | ||
601 | return 0; | |
602 | } | |
603 | ||
604 | static int process_sample_event(event_t *event, struct perf_session *session __used) | |
605 | { | |
606 | struct sample_data data; | |
607 | int cpumode; | |
608 | struct addr_location al; | |
609 | struct thread *thread; | |
610 | ||
611 | memset(&data, 0, sizeof(data)); | |
612 | data.period = 1; | |
613 | ||
614 | event__parse_sample(event, sample_type, &data); | |
615 | ||
616 | dump_printf("(IP, %d): %d/%d: %p period: %Ld\n", | |
617 | event->header.misc, | |
618 | data.pid, data.tid, | |
619 | (void *)(long)data.ip, | |
620 | (long long)data.period); | |
621 | ||
622 | if (sample_type & PERF_SAMPLE_CALLCHAIN) { | |
623 | unsigned int i; | |
624 | ||
625 | dump_printf("... chain: nr:%Lu\n", data.callchain->nr); | |
626 | ||
627 | if (validate_chain(data.callchain, event) < 0) { | |
628 | pr_debug("call-chain problem with event, " | |
629 | "skipping it.\n"); | |
630 | return 0; | |
631 | } | |
632 | ||
633 | if (dump_trace) { | |
634 | for (i = 0; i < data.callchain->nr; i++) | |
635 | dump_printf("..... %2d: %016Lx\n", | |
636 | i, data.callchain->ips[i]); | |
637 | } | |
638 | } | |
639 | ||
640 | thread = threads__findnew(data.pid); | |
641 | if (thread == NULL) { | |
642 | pr_debug("problem processing %d event, skipping it.\n", | |
643 | event->header.type); | |
644 | return -1; | |
645 | } | |
646 | ||
647 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); | |
648 | ||
649 | if (comm_list && !strlist__has_entry(comm_list, thread->comm)) | |
650 | return 0; | |
651 | ||
652 | cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
653 | ||
654 | thread__find_addr_location(thread, cpumode, | |
655 | MAP__FUNCTION, data.ip, &al, NULL); | |
656 | /* | |
657 | * We have to do this here as we may have a dso with no symbol hit that | |
658 | * has a name longer than the ones with symbols sampled. | |
659 | */ | |
660 | if (al.map && !sort_dso.elide && !al.map->dso->slen_calculated) | |
661 | dso__calc_col_width(al.map->dso); | |
662 | ||
663 | if (dso_list && | |
664 | (!al.map || !al.map->dso || | |
665 | !(strlist__has_entry(dso_list, al.map->dso->short_name) || | |
666 | (al.map->dso->short_name != al.map->dso->long_name && | |
667 | strlist__has_entry(dso_list, al.map->dso->long_name))))) | |
668 | return 0; | |
669 | ||
670 | if (sym_list && al.sym && !strlist__has_entry(sym_list, al.sym->name)) | |
671 | return 0; | |
672 | ||
673 | if (hist_entry__add(&al, data.callchain, data.period)) { | |
674 | pr_debug("problem incrementing symbol count, skipping event\n"); | |
675 | return -1; | |
676 | } | |
677 | ||
678 | event__stats.total += data.period; | |
679 | ||
680 | return 0; | |
681 | } | |
682 | ||
683 | static int process_comm_event(event_t *event, struct perf_session *session __used) | |
684 | { | |
685 | struct thread *thread = threads__findnew(event->comm.pid); | |
686 | ||
687 | dump_printf(": %s:%d\n", event->comm.comm, event->comm.pid); | |
688 | ||
689 | if (thread == NULL || | |
690 | thread__set_comm_adjust(thread, event->comm.comm)) { | |
691 | dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); | |
692 | return -1; | |
693 | } | |
694 | ||
695 | return 0; | |
696 | } | |
697 | ||
698 | static int process_read_event(event_t *event, struct perf_session *session __used) | |
699 | { | |
700 | struct perf_event_attr *attr; | |
701 | ||
702 | attr = perf_header__find_attr(event->read.id, &session->header); | |
703 | ||
704 | if (show_threads) { | |
705 | const char *name = attr ? __event_name(attr->type, attr->config) | |
706 | : "unknown"; | |
707 | perf_read_values_add_value(&show_threads_values, | |
708 | event->read.pid, event->read.tid, | |
709 | event->read.id, | |
710 | name, | |
711 | event->read.value); | |
712 | } | |
713 | ||
714 | dump_printf(": %d %d %s %Lu\n", event->read.pid, event->read.tid, | |
715 | attr ? __event_name(attr->type, attr->config) : "FAIL", | |
716 | event->read.value); | |
717 | ||
718 | return 0; | |
719 | } | |
720 | ||
721 | static int sample_type_check(u64 type) | |
722 | { | |
723 | sample_type = type; | |
724 | ||
725 | if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { | |
726 | if (sort__has_parent) { | |
727 | fprintf(stderr, "selected --sort parent, but no" | |
728 | " callchain data. Did you call" | |
729 | " perf record without -g?\n"); | |
730 | return -1; | |
731 | } | |
732 | if (callchain) { | |
733 | fprintf(stderr, "selected -g but no callchain data." | |
734 | " Did you call perf record without" | |
735 | " -g?\n"); | |
736 | return -1; | |
737 | } | |
738 | } else if (callchain_param.mode != CHAIN_NONE && !callchain) { | |
739 | callchain = 1; | |
740 | if (register_callchain_param(&callchain_param) < 0) { | |
741 | fprintf(stderr, "Can't register callchain" | |
742 | " params\n"); | |
743 | return -1; | |
744 | } | |
745 | } | |
746 | ||
747 | return 0; | |
748 | } | |
749 | ||
750 | static struct perf_event_ops event_ops = { | |
751 | .process_sample_event = process_sample_event, | |
752 | .process_mmap_event = event__process_mmap, | |
753 | .process_comm_event = process_comm_event, | |
754 | .process_exit_event = event__process_task, | |
755 | .process_fork_event = event__process_task, | |
756 | .process_lost_event = event__process_lost, | |
757 | .process_read_event = process_read_event, | |
758 | .sample_type_check = sample_type_check, | |
759 | }; | |
760 | ||
761 | ||
762 | static int __cmd_report(void) | |
763 | { | |
764 | struct thread *idle; | |
765 | int ret; | |
766 | struct perf_session *session; | |
767 | ||
768 | session = perf_session__new(input_name, O_RDONLY, force); | |
769 | if (session == NULL) | |
770 | return -ENOMEM; | |
771 | ||
772 | idle = register_idle_thread(); | |
773 | thread__comm_adjust(idle); | |
774 | ||
775 | if (show_threads) | |
776 | perf_read_values_init(&show_threads_values); | |
777 | ||
778 | ret = perf_session__process_events(session, &event_ops, full_paths, | |
779 | &event__cwdlen, &event__cwd); | |
780 | if (ret) | |
781 | goto out_delete; | |
782 | ||
783 | if (dump_trace) { | |
784 | event__print_totals(); | |
785 | goto out_delete; | |
786 | } | |
787 | ||
788 | if (verbose > 3) | |
789 | threads__fprintf(stdout); | |
790 | ||
791 | if (verbose > 2) | |
792 | dsos__fprintf(stdout); | |
793 | ||
794 | collapse__resort(); | |
795 | output__resort(event__stats.total); | |
796 | output__fprintf(stdout, event__stats.total); | |
797 | ||
798 | if (show_threads) | |
799 | perf_read_values_destroy(&show_threads_values); | |
800 | out_delete: | |
801 | perf_session__delete(session); | |
802 | return ret; | |
803 | } | |
804 | ||
805 | static int | |
806 | parse_callchain_opt(const struct option *opt __used, const char *arg, | |
807 | int unset __used) | |
808 | { | |
809 | char *tok; | |
810 | char *endptr; | |
811 | ||
812 | callchain = 1; | |
813 | ||
814 | if (!arg) | |
815 | return 0; | |
816 | ||
817 | tok = strtok((char *)arg, ","); | |
818 | if (!tok) | |
819 | return -1; | |
820 | ||
821 | /* get the output mode */ | |
822 | if (!strncmp(tok, "graph", strlen(arg))) | |
823 | callchain_param.mode = CHAIN_GRAPH_ABS; | |
824 | ||
825 | else if (!strncmp(tok, "flat", strlen(arg))) | |
826 | callchain_param.mode = CHAIN_FLAT; | |
827 | ||
828 | else if (!strncmp(tok, "fractal", strlen(arg))) | |
829 | callchain_param.mode = CHAIN_GRAPH_REL; | |
830 | ||
831 | else if (!strncmp(tok, "none", strlen(arg))) { | |
832 | callchain_param.mode = CHAIN_NONE; | |
833 | callchain = 0; | |
834 | ||
835 | return 0; | |
836 | } | |
837 | ||
838 | else | |
839 | return -1; | |
840 | ||
841 | /* get the min percentage */ | |
842 | tok = strtok(NULL, ","); | |
843 | if (!tok) | |
844 | goto setup; | |
845 | ||
846 | callchain_param.min_percent = strtod(tok, &endptr); | |
847 | if (tok == endptr) | |
848 | return -1; | |
849 | ||
850 | setup: | |
851 | if (register_callchain_param(&callchain_param) < 0) { | |
852 | fprintf(stderr, "Can't register callchain params\n"); | |
853 | return -1; | |
854 | } | |
855 | return 0; | |
856 | } | |
857 | ||
858 | //static const char * const report_usage[] = { | |
859 | const char * const report_usage[] = { | |
860 | "perf report [<options>] <command>", | |
861 | NULL | |
862 | }; | |
863 | ||
864 | static const struct option options[] = { | |
865 | OPT_STRING('i', "input", &input_name, "file", | |
866 | "input file name"), | |
867 | OPT_BOOLEAN('v', "verbose", &verbose, | |
868 | "be more verbose (show symbol address, etc)"), | |
869 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
870 | "dump raw trace in ASCII"), | |
871 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, | |
872 | "file", "vmlinux pathname"), | |
873 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
874 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, | |
875 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | |
876 | OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples, | |
877 | "Show a column with the number of samples"), | |
878 | OPT_BOOLEAN('T', "threads", &show_threads, | |
879 | "Show per-thread event counters"), | |
880 | OPT_STRING(0, "pretty", &pretty_printing_style, "key", | |
881 | "pretty printing style key: normal raw"), | |
882 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", | |
883 | "sort by key(s): pid, comm, dso, symbol, parent"), | |
884 | OPT_BOOLEAN('P', "full-paths", &full_paths, | |
885 | "Don't shorten the pathnames taking into account the cwd"), | |
886 | OPT_STRING('p', "parent", &parent_pattern, "regex", | |
887 | "regex filter to identify parent, see: '--sort parent'"), | |
888 | OPT_BOOLEAN('x', "exclude-other", &exclude_other, | |
889 | "Only display entries with parent-match"), | |
890 | OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent", | |
891 | "Display callchains using output_type and min percent threshold. " | |
892 | "Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt), | |
893 | OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]", | |
894 | "only consider symbols in these dsos"), | |
895 | OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]", | |
896 | "only consider symbols in these comms"), | |
897 | OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]", | |
898 | "only consider these symbols"), | |
899 | OPT_STRING('w', "column-widths", &col_width_list_str, | |
900 | "width[,width...]", | |
901 | "don't try to adjust column width, use these fixed values"), | |
902 | OPT_STRING('t', "field-separator", &field_sep, "separator", | |
903 | "separator for columns, no spaces will be added between " | |
904 | "columns '.' is reserved."), | |
905 | OPT_END() | |
906 | }; | |
907 | ||
908 | static void setup_sorting(void) | |
909 | { | |
910 | char *tmp, *tok, *str = strdup(sort_order); | |
911 | ||
912 | for (tok = strtok_r(str, ", ", &tmp); | |
913 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
914 | if (sort_dimension__add(tok) < 0) { | |
915 | error("Unknown --sort key: `%s'", tok); | |
916 | usage_with_options(report_usage, options); | |
917 | } | |
918 | } | |
919 | ||
920 | free(str); | |
921 | } | |
922 | ||
923 | static void setup_list(struct strlist **list, const char *list_str, | |
924 | struct sort_entry *se, const char *list_name, | |
925 | FILE *fp) | |
926 | { | |
927 | if (list_str) { | |
928 | *list = strlist__new(true, list_str); | |
929 | if (!*list) { | |
930 | fprintf(stderr, "problems parsing %s list\n", | |
931 | list_name); | |
932 | exit(129); | |
933 | } | |
934 | if (strlist__nr_entries(*list) == 1) { | |
935 | fprintf(fp, "# %s: %s\n", list_name, | |
936 | strlist__entry(*list, 0)->s); | |
937 | se->elide = true; | |
938 | } | |
939 | } | |
940 | } | |
941 | ||
942 | int cmd_report(int argc, const char **argv, const char *prefix __used) | |
943 | { | |
944 | if (symbol__init(&symbol_conf) < 0) | |
945 | return -1; | |
946 | ||
947 | argc = parse_options(argc, argv, options, report_usage, 0); | |
948 | ||
949 | setup_sorting(); | |
950 | ||
951 | if (parent_pattern != default_parent_pattern) { | |
952 | sort_dimension__add("parent"); | |
953 | sort_parent.elide = 1; | |
954 | } else | |
955 | exclude_other = 0; | |
956 | ||
957 | /* | |
958 | * Any (unrecognized) arguments left? | |
959 | */ | |
960 | if (argc) | |
961 | usage_with_options(report_usage, options); | |
962 | ||
963 | setup_pager(); | |
964 | ||
965 | setup_list(&dso_list, dso_list_str, &sort_dso, "dso", stdout); | |
966 | setup_list(&comm_list, comm_list_str, &sort_comm, "comm", stdout); | |
967 | setup_list(&sym_list, sym_list_str, &sort_sym, "symbol", stdout); | |
968 | ||
969 | if (field_sep && *field_sep == '.') { | |
970 | fputs("'.' is the only non valid --field-separator argument\n", | |
971 | stderr); | |
972 | exit(129); | |
973 | } | |
974 | ||
975 | return __cmd_report(); | |
976 | } |