Commit | Line | Data |
---|---|---|
8a0ecfb8 | 1 | #include "util.h" |
598357eb | 2 | #include "build-id.h" |
3d1d07ec | 3 | #include "hist.h" |
4e4f06e4 ACM |
4 | #include "session.h" |
5 | #include "sort.h" | |
9b33827d | 6 | #include <math.h> |
3d1d07ec | 7 | |
7a007ca9 ACM |
8 | enum hist_filter { |
9 | HIST_FILTER__DSO, | |
10 | HIST_FILTER__THREAD, | |
11 | HIST_FILTER__PARENT, | |
12 | }; | |
13 | ||
3d1d07ec JK |
14 | struct callchain_param callchain_param = { |
15 | .mode = CHAIN_GRAPH_REL, | |
16 | .min_percent = 0.5 | |
17 | }; | |
18 | ||
8a6c5b26 ACM |
19 | u16 hists__col_len(struct hists *self, enum hist_column col) |
20 | { | |
21 | return self->col_len[col]; | |
22 | } | |
23 | ||
24 | void hists__set_col_len(struct hists *self, enum hist_column col, u16 len) | |
25 | { | |
26 | self->col_len[col] = len; | |
27 | } | |
28 | ||
29 | bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len) | |
30 | { | |
31 | if (len > hists__col_len(self, col)) { | |
32 | hists__set_col_len(self, col, len); | |
33 | return true; | |
34 | } | |
35 | return false; | |
36 | } | |
37 | ||
38 | static void hists__reset_col_len(struct hists *self) | |
39 | { | |
40 | enum hist_column col; | |
41 | ||
42 | for (col = 0; col < HISTC_NR_COLS; ++col) | |
43 | hists__set_col_len(self, col, 0); | |
44 | } | |
45 | ||
46 | static void hists__calc_col_len(struct hists *self, struct hist_entry *h) | |
47 | { | |
48 | u16 len; | |
49 | ||
50 | if (h->ms.sym) | |
51 | hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen); | |
52 | ||
53 | len = thread__comm_len(h->thread); | |
54 | if (hists__new_col_len(self, HISTC_COMM, len)) | |
55 | hists__set_col_len(self, HISTC_THREAD, len + 6); | |
56 | ||
57 | if (h->ms.map) { | |
58 | len = dso__name_len(h->ms.map->dso); | |
59 | hists__new_col_len(self, HISTC_DSO, len); | |
60 | } | |
61 | } | |
62 | ||
c82ee828 ACM |
63 | static void hist_entry__add_cpumode_period(struct hist_entry *self, |
64 | unsigned int cpumode, u64 period) | |
a1645ce1 | 65 | { |
28e2a106 | 66 | switch (cpumode) { |
a1645ce1 | 67 | case PERF_RECORD_MISC_KERNEL: |
c82ee828 | 68 | self->period_sys += period; |
a1645ce1 ZY |
69 | break; |
70 | case PERF_RECORD_MISC_USER: | |
c82ee828 | 71 | self->period_us += period; |
a1645ce1 ZY |
72 | break; |
73 | case PERF_RECORD_MISC_GUEST_KERNEL: | |
c82ee828 | 74 | self->period_guest_sys += period; |
a1645ce1 ZY |
75 | break; |
76 | case PERF_RECORD_MISC_GUEST_USER: | |
c82ee828 | 77 | self->period_guest_us += period; |
a1645ce1 ZY |
78 | break; |
79 | default: | |
80 | break; | |
81 | } | |
82 | } | |
83 | ||
3d1d07ec | 84 | /* |
c82ee828 | 85 | * histogram, sorted on item, collects periods |
3d1d07ec JK |
86 | */ |
87 | ||
28e2a106 ACM |
88 | static struct hist_entry *hist_entry__new(struct hist_entry *template) |
89 | { | |
90 | size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_node) : 0; | |
91 | struct hist_entry *self = malloc(sizeof(*self) + callchain_size); | |
92 | ||
93 | if (self != NULL) { | |
94 | *self = *template; | |
c82ee828 | 95 | self->nr_events = 1; |
0a1eae39 ACM |
96 | if (self->ms.map) |
97 | self->ms.map->referenced = true; | |
28e2a106 ACM |
98 | if (symbol_conf.use_callchain) |
99 | callchain_init(self->callchain); | |
100 | } | |
101 | ||
102 | return self; | |
103 | } | |
104 | ||
8a6c5b26 | 105 | static void hists__inc_nr_entries(struct hists *self, struct hist_entry *h) |
fefb0b94 | 106 | { |
8a6c5b26 ACM |
107 | if (!h->filtered) { |
108 | hists__calc_col_len(self, h); | |
109 | ++self->nr_entries; | |
110 | } | |
fefb0b94 ACM |
111 | } |
112 | ||
7a007ca9 ACM |
113 | static u8 symbol__parent_filter(const struct symbol *parent) |
114 | { | |
115 | if (symbol_conf.exclude_other && parent == NULL) | |
116 | return 1 << HIST_FILTER__PARENT; | |
117 | return 0; | |
118 | } | |
119 | ||
1c02c4d2 ACM |
120 | struct hist_entry *__hists__add_entry(struct hists *self, |
121 | struct addr_location *al, | |
c82ee828 | 122 | struct symbol *sym_parent, u64 period) |
9735abf1 | 123 | { |
1c02c4d2 | 124 | struct rb_node **p = &self->entries.rb_node; |
9735abf1 ACM |
125 | struct rb_node *parent = NULL; |
126 | struct hist_entry *he; | |
127 | struct hist_entry entry = { | |
1ed091c4 | 128 | .thread = al->thread, |
59fd5306 ACM |
129 | .ms = { |
130 | .map = al->map, | |
131 | .sym = al->sym, | |
132 | }, | |
f60f3593 | 133 | .cpu = al->cpu, |
1ed091c4 ACM |
134 | .ip = al->addr, |
135 | .level = al->level, | |
c82ee828 | 136 | .period = period, |
9735abf1 | 137 | .parent = sym_parent, |
7a007ca9 | 138 | .filtered = symbol__parent_filter(sym_parent), |
9735abf1 ACM |
139 | }; |
140 | int cmp; | |
141 | ||
142 | while (*p != NULL) { | |
143 | parent = *p; | |
144 | he = rb_entry(parent, struct hist_entry, rb_node); | |
145 | ||
146 | cmp = hist_entry__cmp(&entry, he); | |
147 | ||
148 | if (!cmp) { | |
c82ee828 ACM |
149 | he->period += period; |
150 | ++he->nr_events; | |
28e2a106 | 151 | goto out; |
9735abf1 ACM |
152 | } |
153 | ||
154 | if (cmp < 0) | |
155 | p = &(*p)->rb_left; | |
156 | else | |
157 | p = &(*p)->rb_right; | |
158 | } | |
159 | ||
28e2a106 | 160 | he = hist_entry__new(&entry); |
9735abf1 ACM |
161 | if (!he) |
162 | return NULL; | |
9735abf1 | 163 | rb_link_node(&he->rb_node, parent, p); |
1c02c4d2 | 164 | rb_insert_color(&he->rb_node, &self->entries); |
fefb0b94 | 165 | hists__inc_nr_entries(self, he); |
28e2a106 | 166 | out: |
c82ee828 | 167 | hist_entry__add_cpumode_period(he, al->cpumode, period); |
9735abf1 ACM |
168 | return he; |
169 | } | |
170 | ||
3d1d07ec JK |
171 | int64_t |
172 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
173 | { | |
174 | struct sort_entry *se; | |
175 | int64_t cmp = 0; | |
176 | ||
177 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
fcd14984 | 178 | cmp = se->se_cmp(left, right); |
3d1d07ec JK |
179 | if (cmp) |
180 | break; | |
181 | } | |
182 | ||
183 | return cmp; | |
184 | } | |
185 | ||
186 | int64_t | |
187 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
188 | { | |
189 | struct sort_entry *se; | |
190 | int64_t cmp = 0; | |
191 | ||
192 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
193 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
194 | ||
fcd14984 | 195 | f = se->se_collapse ?: se->se_cmp; |
3d1d07ec JK |
196 | |
197 | cmp = f(left, right); | |
198 | if (cmp) | |
199 | break; | |
200 | } | |
201 | ||
202 | return cmp; | |
203 | } | |
204 | ||
205 | void hist_entry__free(struct hist_entry *he) | |
206 | { | |
207 | free(he); | |
208 | } | |
209 | ||
210 | /* | |
211 | * collapse the histogram | |
212 | */ | |
213 | ||
fefb0b94 | 214 | static bool collapse__insert_entry(struct rb_root *root, struct hist_entry *he) |
3d1d07ec | 215 | { |
b9bf0892 | 216 | struct rb_node **p = &root->rb_node; |
3d1d07ec JK |
217 | struct rb_node *parent = NULL; |
218 | struct hist_entry *iter; | |
219 | int64_t cmp; | |
220 | ||
221 | while (*p != NULL) { | |
222 | parent = *p; | |
223 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
224 | ||
225 | cmp = hist_entry__collapse(iter, he); | |
226 | ||
227 | if (!cmp) { | |
c82ee828 | 228 | iter->period += he->period; |
3d1d07ec | 229 | hist_entry__free(he); |
fefb0b94 | 230 | return false; |
3d1d07ec JK |
231 | } |
232 | ||
233 | if (cmp < 0) | |
234 | p = &(*p)->rb_left; | |
235 | else | |
236 | p = &(*p)->rb_right; | |
237 | } | |
238 | ||
239 | rb_link_node(&he->rb_node, parent, p); | |
b9bf0892 | 240 | rb_insert_color(&he->rb_node, root); |
fefb0b94 | 241 | return true; |
3d1d07ec JK |
242 | } |
243 | ||
1c02c4d2 | 244 | void hists__collapse_resort(struct hists *self) |
3d1d07ec | 245 | { |
b9bf0892 | 246 | struct rb_root tmp; |
3d1d07ec JK |
247 | struct rb_node *next; |
248 | struct hist_entry *n; | |
249 | ||
250 | if (!sort__need_collapse) | |
251 | return; | |
252 | ||
b9bf0892 | 253 | tmp = RB_ROOT; |
1c02c4d2 | 254 | next = rb_first(&self->entries); |
fefb0b94 | 255 | self->nr_entries = 0; |
8a6c5b26 | 256 | hists__reset_col_len(self); |
b9bf0892 | 257 | |
3d1d07ec JK |
258 | while (next) { |
259 | n = rb_entry(next, struct hist_entry, rb_node); | |
260 | next = rb_next(&n->rb_node); | |
261 | ||
1c02c4d2 | 262 | rb_erase(&n->rb_node, &self->entries); |
fefb0b94 ACM |
263 | if (collapse__insert_entry(&tmp, n)) |
264 | hists__inc_nr_entries(self, n); | |
3d1d07ec | 265 | } |
b9bf0892 | 266 | |
1c02c4d2 | 267 | self->entries = tmp; |
3d1d07ec JK |
268 | } |
269 | ||
270 | /* | |
c82ee828 | 271 | * reverse the map, sort on period. |
3d1d07ec JK |
272 | */ |
273 | ||
1c02c4d2 ACM |
274 | static void __hists__insert_output_entry(struct rb_root *entries, |
275 | struct hist_entry *he, | |
276 | u64 min_callchain_hits) | |
3d1d07ec | 277 | { |
1c02c4d2 | 278 | struct rb_node **p = &entries->rb_node; |
3d1d07ec JK |
279 | struct rb_node *parent = NULL; |
280 | struct hist_entry *iter; | |
281 | ||
d599db3f | 282 | if (symbol_conf.use_callchain) |
b9fb9304 | 283 | callchain_param.sort(&he->sorted_chain, he->callchain, |
3d1d07ec JK |
284 | min_callchain_hits, &callchain_param); |
285 | ||
286 | while (*p != NULL) { | |
287 | parent = *p; | |
288 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
289 | ||
c82ee828 | 290 | if (he->period > iter->period) |
3d1d07ec JK |
291 | p = &(*p)->rb_left; |
292 | else | |
293 | p = &(*p)->rb_right; | |
294 | } | |
295 | ||
296 | rb_link_node(&he->rb_node, parent, p); | |
1c02c4d2 | 297 | rb_insert_color(&he->rb_node, entries); |
3d1d07ec JK |
298 | } |
299 | ||
fefb0b94 | 300 | void hists__output_resort(struct hists *self) |
3d1d07ec | 301 | { |
b9bf0892 | 302 | struct rb_root tmp; |
3d1d07ec JK |
303 | struct rb_node *next; |
304 | struct hist_entry *n; | |
3d1d07ec JK |
305 | u64 min_callchain_hits; |
306 | ||
cee75ac7 | 307 | min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100); |
3d1d07ec | 308 | |
b9bf0892 | 309 | tmp = RB_ROOT; |
1c02c4d2 | 310 | next = rb_first(&self->entries); |
3d1d07ec | 311 | |
fefb0b94 | 312 | self->nr_entries = 0; |
8a6c5b26 | 313 | hists__reset_col_len(self); |
fefb0b94 | 314 | |
3d1d07ec JK |
315 | while (next) { |
316 | n = rb_entry(next, struct hist_entry, rb_node); | |
317 | next = rb_next(&n->rb_node); | |
318 | ||
1c02c4d2 ACM |
319 | rb_erase(&n->rb_node, &self->entries); |
320 | __hists__insert_output_entry(&tmp, n, min_callchain_hits); | |
fefb0b94 | 321 | hists__inc_nr_entries(self, n); |
3d1d07ec | 322 | } |
b9bf0892 | 323 | |
1c02c4d2 | 324 | self->entries = tmp; |
3d1d07ec | 325 | } |
4ecf84d0 ACM |
326 | |
327 | static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin) | |
328 | { | |
329 | int i; | |
330 | int ret = fprintf(fp, " "); | |
331 | ||
332 | for (i = 0; i < left_margin; i++) | |
333 | ret += fprintf(fp, " "); | |
334 | ||
335 | return ret; | |
336 | } | |
337 | ||
338 | static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask, | |
339 | int left_margin) | |
340 | { | |
341 | int i; | |
342 | size_t ret = callchain__fprintf_left_margin(fp, left_margin); | |
343 | ||
344 | for (i = 0; i < depth; i++) | |
345 | if (depth_mask & (1 << i)) | |
346 | ret += fprintf(fp, "| "); | |
347 | else | |
348 | ret += fprintf(fp, " "); | |
349 | ||
350 | ret += fprintf(fp, "\n"); | |
351 | ||
352 | return ret; | |
353 | } | |
354 | ||
355 | static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, | |
c82ee828 | 356 | int depth, int depth_mask, int period, |
4ecf84d0 ACM |
357 | u64 total_samples, int hits, |
358 | int left_margin) | |
359 | { | |
360 | int i; | |
361 | size_t ret = 0; | |
362 | ||
363 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
364 | for (i = 0; i < depth; i++) { | |
365 | if (depth_mask & (1 << i)) | |
366 | ret += fprintf(fp, "|"); | |
367 | else | |
368 | ret += fprintf(fp, " "); | |
c82ee828 | 369 | if (!period && i == depth - 1) { |
4ecf84d0 ACM |
370 | double percent; |
371 | ||
372 | percent = hits * 100.0 / total_samples; | |
373 | ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent); | |
374 | } else | |
375 | ret += fprintf(fp, "%s", " "); | |
376 | } | |
b3c9ac08 ACM |
377 | if (chain->ms.sym) |
378 | ret += fprintf(fp, "%s\n", chain->ms.sym->name); | |
4ecf84d0 ACM |
379 | else |
380 | ret += fprintf(fp, "%p\n", (void *)(long)chain->ip); | |
381 | ||
382 | return ret; | |
383 | } | |
384 | ||
385 | static struct symbol *rem_sq_bracket; | |
386 | static struct callchain_list rem_hits; | |
387 | ||
388 | static void init_rem_hits(void) | |
389 | { | |
390 | rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6); | |
391 | if (!rem_sq_bracket) { | |
392 | fprintf(stderr, "Not enough memory to display remaining hits\n"); | |
393 | return; | |
394 | } | |
395 | ||
396 | strcpy(rem_sq_bracket->name, "[...]"); | |
b3c9ac08 | 397 | rem_hits.ms.sym = rem_sq_bracket; |
4ecf84d0 ACM |
398 | } |
399 | ||
400 | static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
401 | u64 total_samples, int depth, | |
402 | int depth_mask, int left_margin) | |
403 | { | |
404 | struct rb_node *node, *next; | |
405 | struct callchain_node *child; | |
406 | struct callchain_list *chain; | |
407 | int new_depth_mask = depth_mask; | |
408 | u64 new_total; | |
409 | u64 remaining; | |
410 | size_t ret = 0; | |
411 | int i; | |
232a5c94 | 412 | uint entries_printed = 0; |
4ecf84d0 ACM |
413 | |
414 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
415 | new_total = self->children_hit; | |
416 | else | |
417 | new_total = total_samples; | |
418 | ||
419 | remaining = new_total; | |
420 | ||
421 | node = rb_first(&self->rb_root); | |
422 | while (node) { | |
423 | u64 cumul; | |
424 | ||
425 | child = rb_entry(node, struct callchain_node, rb_node); | |
426 | cumul = cumul_hits(child); | |
427 | remaining -= cumul; | |
428 | ||
429 | /* | |
430 | * The depth mask manages the output of pipes that show | |
431 | * the depth. We don't want to keep the pipes of the current | |
432 | * level for the last child of this depth. | |
433 | * Except if we have remaining filtered hits. They will | |
434 | * supersede the last child | |
435 | */ | |
436 | next = rb_next(node); | |
437 | if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining)) | |
438 | new_depth_mask &= ~(1 << (depth - 1)); | |
439 | ||
440 | /* | |
3ad2f3fb | 441 | * But we keep the older depth mask for the line separator |
4ecf84d0 ACM |
442 | * to keep the level link until we reach the last child |
443 | */ | |
444 | ret += ipchain__fprintf_graph_line(fp, depth, depth_mask, | |
445 | left_margin); | |
446 | i = 0; | |
447 | list_for_each_entry(chain, &child->val, list) { | |
4ecf84d0 ACM |
448 | ret += ipchain__fprintf_graph(fp, chain, depth, |
449 | new_depth_mask, i++, | |
450 | new_total, | |
451 | cumul, | |
452 | left_margin); | |
453 | } | |
454 | ret += __callchain__fprintf_graph(fp, child, new_total, | |
455 | depth + 1, | |
456 | new_depth_mask | (1 << depth), | |
457 | left_margin); | |
458 | node = next; | |
232a5c94 ACM |
459 | if (++entries_printed == callchain_param.print_limit) |
460 | break; | |
4ecf84d0 ACM |
461 | } |
462 | ||
463 | if (callchain_param.mode == CHAIN_GRAPH_REL && | |
464 | remaining && remaining != new_total) { | |
465 | ||
466 | if (!rem_sq_bracket) | |
467 | return ret; | |
468 | ||
469 | new_depth_mask &= ~(1 << (depth - 1)); | |
470 | ||
471 | ret += ipchain__fprintf_graph(fp, &rem_hits, depth, | |
472 | new_depth_mask, 0, new_total, | |
473 | remaining, left_margin); | |
474 | } | |
475 | ||
476 | return ret; | |
477 | } | |
478 | ||
479 | static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
480 | u64 total_samples, int left_margin) | |
481 | { | |
482 | struct callchain_list *chain; | |
483 | bool printed = false; | |
484 | int i = 0; | |
485 | int ret = 0; | |
232a5c94 | 486 | u32 entries_printed = 0; |
4ecf84d0 ACM |
487 | |
488 | list_for_each_entry(chain, &self->val, list) { | |
4ecf84d0 ACM |
489 | if (!i++ && sort__first_dimension == SORT_SYM) |
490 | continue; | |
491 | ||
492 | if (!printed) { | |
493 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
494 | ret += fprintf(fp, "|\n"); | |
495 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
496 | ret += fprintf(fp, "---"); | |
497 | ||
498 | left_margin += 3; | |
499 | printed = true; | |
500 | } else | |
501 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
502 | ||
b3c9ac08 ACM |
503 | if (chain->ms.sym) |
504 | ret += fprintf(fp, " %s\n", chain->ms.sym->name); | |
4ecf84d0 ACM |
505 | else |
506 | ret += fprintf(fp, " %p\n", (void *)(long)chain->ip); | |
232a5c94 ACM |
507 | |
508 | if (++entries_printed == callchain_param.print_limit) | |
509 | break; | |
4ecf84d0 ACM |
510 | } |
511 | ||
512 | ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin); | |
513 | ||
514 | return ret; | |
515 | } | |
516 | ||
517 | static size_t callchain__fprintf_flat(FILE *fp, struct callchain_node *self, | |
518 | u64 total_samples) | |
519 | { | |
520 | struct callchain_list *chain; | |
521 | size_t ret = 0; | |
522 | ||
523 | if (!self) | |
524 | return 0; | |
525 | ||
526 | ret += callchain__fprintf_flat(fp, self->parent, total_samples); | |
527 | ||
528 | ||
529 | list_for_each_entry(chain, &self->val, list) { | |
530 | if (chain->ip >= PERF_CONTEXT_MAX) | |
531 | continue; | |
b3c9ac08 ACM |
532 | if (chain->ms.sym) |
533 | ret += fprintf(fp, " %s\n", chain->ms.sym->name); | |
4ecf84d0 ACM |
534 | else |
535 | ret += fprintf(fp, " %p\n", | |
536 | (void *)(long)chain->ip); | |
537 | } | |
538 | ||
539 | return ret; | |
540 | } | |
541 | ||
542 | static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, | |
543 | u64 total_samples, int left_margin) | |
544 | { | |
545 | struct rb_node *rb_node; | |
546 | struct callchain_node *chain; | |
547 | size_t ret = 0; | |
232a5c94 | 548 | u32 entries_printed = 0; |
4ecf84d0 ACM |
549 | |
550 | rb_node = rb_first(&self->sorted_chain); | |
551 | while (rb_node) { | |
552 | double percent; | |
553 | ||
554 | chain = rb_entry(rb_node, struct callchain_node, rb_node); | |
555 | percent = chain->hit * 100.0 / total_samples; | |
556 | switch (callchain_param.mode) { | |
557 | case CHAIN_FLAT: | |
558 | ret += percent_color_fprintf(fp, " %6.2f%%\n", | |
559 | percent); | |
560 | ret += callchain__fprintf_flat(fp, chain, total_samples); | |
561 | break; | |
562 | case CHAIN_GRAPH_ABS: /* Falldown */ | |
563 | case CHAIN_GRAPH_REL: | |
564 | ret += callchain__fprintf_graph(fp, chain, total_samples, | |
565 | left_margin); | |
566 | case CHAIN_NONE: | |
567 | default: | |
568 | break; | |
569 | } | |
570 | ret += fprintf(fp, "\n"); | |
232a5c94 ACM |
571 | if (++entries_printed == callchain_param.print_limit) |
572 | break; | |
4ecf84d0 ACM |
573 | rb_node = rb_next(rb_node); |
574 | } | |
575 | ||
576 | return ret; | |
577 | } | |
578 | ||
1c02c4d2 | 579 | int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size, |
8a6c5b26 ACM |
580 | struct hists *hists, struct hists *pair_hists, |
581 | bool show_displacement, long displacement, | |
582 | bool color, u64 session_total) | |
4ecf84d0 ACM |
583 | { |
584 | struct sort_entry *se; | |
c82ee828 | 585 | u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us; |
c351c281 | 586 | const char *sep = symbol_conf.field_sep; |
a4e3b956 | 587 | int ret; |
4ecf84d0 ACM |
588 | |
589 | if (symbol_conf.exclude_other && !self->parent) | |
590 | return 0; | |
591 | ||
1c02c4d2 | 592 | if (pair_hists) { |
c82ee828 | 593 | period = self->pair ? self->pair->period : 0; |
cee75ac7 | 594 | total = pair_hists->stats.total_period; |
c82ee828 ACM |
595 | period_sys = self->pair ? self->pair->period_sys : 0; |
596 | period_us = self->pair ? self->pair->period_us : 0; | |
597 | period_guest_sys = self->pair ? self->pair->period_guest_sys : 0; | |
598 | period_guest_us = self->pair ? self->pair->period_guest_us : 0; | |
c351c281 | 599 | } else { |
c82ee828 | 600 | period = self->period; |
eefc465c | 601 | total = session_total; |
c82ee828 ACM |
602 | period_sys = self->period_sys; |
603 | period_us = self->period_us; | |
604 | period_guest_sys = self->period_guest_sys; | |
605 | period_guest_us = self->period_guest_us; | |
c351c281 ACM |
606 | } |
607 | ||
a4e3b956 ACM |
608 | if (total) { |
609 | if (color) | |
610 | ret = percent_color_snprintf(s, size, | |
611 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 612 | (period * 100.0) / total); |
a4e3b956 ACM |
613 | else |
614 | ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 615 | (period * 100.0) / total); |
a1645ce1 ZY |
616 | if (symbol_conf.show_cpu_utilization) { |
617 | ret += percent_color_snprintf(s + ret, size - ret, | |
618 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 619 | (period_sys * 100.0) / total); |
a1645ce1 ZY |
620 | ret += percent_color_snprintf(s + ret, size - ret, |
621 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 622 | (period_us * 100.0) / total); |
a1645ce1 ZY |
623 | if (perf_guest) { |
624 | ret += percent_color_snprintf(s + ret, | |
625 | size - ret, | |
626 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 627 | (period_guest_sys * 100.0) / |
a1645ce1 ZY |
628 | total); |
629 | ret += percent_color_snprintf(s + ret, | |
630 | size - ret, | |
631 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 632 | (period_guest_us * 100.0) / |
a1645ce1 ZY |
633 | total); |
634 | } | |
635 | } | |
a4e3b956 | 636 | } else |
c82ee828 | 637 | ret = snprintf(s, size, sep ? "%lld" : "%12lld ", period); |
4ecf84d0 ACM |
638 | |
639 | if (symbol_conf.show_nr_samples) { | |
c351c281 | 640 | if (sep) |
c82ee828 | 641 | ret += snprintf(s + ret, size - ret, "%c%lld", *sep, period); |
4ecf84d0 | 642 | else |
c82ee828 | 643 | ret += snprintf(s + ret, size - ret, "%11lld", period); |
c351c281 ACM |
644 | } |
645 | ||
1c02c4d2 | 646 | if (pair_hists) { |
c351c281 ACM |
647 | char bf[32]; |
648 | double old_percent = 0, new_percent = 0, diff; | |
649 | ||
650 | if (total > 0) | |
c82ee828 | 651 | old_percent = (period * 100.0) / total; |
eefc465c | 652 | if (session_total > 0) |
c82ee828 | 653 | new_percent = (self->period * 100.0) / session_total; |
c351c281 | 654 | |
9b33827d | 655 | diff = new_percent - old_percent; |
c351c281 | 656 | |
9b33827d | 657 | if (fabs(diff) >= 0.01) |
c351c281 ACM |
658 | snprintf(bf, sizeof(bf), "%+4.2F%%", diff); |
659 | else | |
660 | snprintf(bf, sizeof(bf), " "); | |
661 | ||
662 | if (sep) | |
a4e3b956 | 663 | ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf); |
c351c281 | 664 | else |
a4e3b956 | 665 | ret += snprintf(s + ret, size - ret, "%11.11s", bf); |
c351c281 ACM |
666 | |
667 | if (show_displacement) { | |
668 | if (displacement) | |
669 | snprintf(bf, sizeof(bf), "%+4ld", displacement); | |
670 | else | |
671 | snprintf(bf, sizeof(bf), " "); | |
672 | ||
673 | if (sep) | |
a4e3b956 | 674 | ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf); |
c351c281 | 675 | else |
a4e3b956 | 676 | ret += snprintf(s + ret, size - ret, "%6.6s", bf); |
c351c281 | 677 | } |
4ecf84d0 ACM |
678 | } |
679 | ||
680 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
681 | if (se->elide) | |
682 | continue; | |
683 | ||
a4e3b956 | 684 | ret += snprintf(s + ret, size - ret, "%s", sep ?: " "); |
fcd14984 | 685 | ret += se->se_snprintf(self, s + ret, size - ret, |
8a6c5b26 | 686 | hists__col_len(hists, se->se_width_idx)); |
4ecf84d0 ACM |
687 | } |
688 | ||
a4e3b956 ACM |
689 | return ret; |
690 | } | |
691 | ||
8a6c5b26 ACM |
692 | int hist_entry__fprintf(struct hist_entry *self, struct hists *hists, |
693 | struct hists *pair_hists, bool show_displacement, | |
694 | long displacement, FILE *fp, u64 session_total) | |
a4e3b956 ACM |
695 | { |
696 | char bf[512]; | |
8a6c5b26 | 697 | hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists, |
a4e3b956 ACM |
698 | show_displacement, displacement, |
699 | true, session_total); | |
700 | return fprintf(fp, "%s\n", bf); | |
3997d377 | 701 | } |
4ecf84d0 | 702 | |
8a6c5b26 ACM |
703 | static size_t hist_entry__fprintf_callchain(struct hist_entry *self, |
704 | struct hists *hists, FILE *fp, | |
3997d377 ACM |
705 | u64 session_total) |
706 | { | |
707 | int left_margin = 0; | |
4ecf84d0 | 708 | |
3997d377 ACM |
709 | if (sort__first_dimension == SORT_COMM) { |
710 | struct sort_entry *se = list_first_entry(&hist_entry__sort_list, | |
711 | typeof(*se), list); | |
8a6c5b26 | 712 | left_margin = hists__col_len(hists, se->se_width_idx); |
3997d377 | 713 | left_margin -= thread__comm_len(self->thread); |
4ecf84d0 ACM |
714 | } |
715 | ||
3997d377 ACM |
716 | return hist_entry_callchain__fprintf(fp, self, session_total, |
717 | left_margin); | |
4ecf84d0 ACM |
718 | } |
719 | ||
1c02c4d2 ACM |
720 | size_t hists__fprintf(struct hists *self, struct hists *pair, |
721 | bool show_displacement, FILE *fp) | |
4ecf84d0 | 722 | { |
4ecf84d0 ACM |
723 | struct sort_entry *se; |
724 | struct rb_node *nd; | |
725 | size_t ret = 0; | |
c351c281 ACM |
726 | unsigned long position = 1; |
727 | long displacement = 0; | |
4ecf84d0 | 728 | unsigned int width; |
c351c281 | 729 | const char *sep = symbol_conf.field_sep; |
edb7c60e | 730 | const char *col_width = symbol_conf.col_width_list_str; |
4ecf84d0 ACM |
731 | |
732 | init_rem_hits(); | |
733 | ||
c351c281 ACM |
734 | fprintf(fp, "# %s", pair ? "Baseline" : "Overhead"); |
735 | ||
4ecf84d0 | 736 | if (symbol_conf.show_nr_samples) { |
c351c281 ACM |
737 | if (sep) |
738 | fprintf(fp, "%cSamples", *sep); | |
4ecf84d0 ACM |
739 | else |
740 | fputs(" Samples ", fp); | |
741 | } | |
c351c281 | 742 | |
a1645ce1 ZY |
743 | if (symbol_conf.show_cpu_utilization) { |
744 | if (sep) { | |
745 | ret += fprintf(fp, "%csys", *sep); | |
746 | ret += fprintf(fp, "%cus", *sep); | |
747 | if (perf_guest) { | |
748 | ret += fprintf(fp, "%cguest sys", *sep); | |
749 | ret += fprintf(fp, "%cguest us", *sep); | |
750 | } | |
751 | } else { | |
752 | ret += fprintf(fp, " sys "); | |
753 | ret += fprintf(fp, " us "); | |
754 | if (perf_guest) { | |
755 | ret += fprintf(fp, " guest sys "); | |
756 | ret += fprintf(fp, " guest us "); | |
757 | } | |
758 | } | |
759 | } | |
760 | ||
c351c281 ACM |
761 | if (pair) { |
762 | if (sep) | |
763 | ret += fprintf(fp, "%cDelta", *sep); | |
764 | else | |
765 | ret += fprintf(fp, " Delta "); | |
766 | ||
767 | if (show_displacement) { | |
768 | if (sep) | |
769 | ret += fprintf(fp, "%cDisplacement", *sep); | |
770 | else | |
771 | ret += fprintf(fp, " Displ"); | |
772 | } | |
773 | } | |
774 | ||
4ecf84d0 ACM |
775 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
776 | if (se->elide) | |
777 | continue; | |
c351c281 | 778 | if (sep) { |
fcd14984 | 779 | fprintf(fp, "%c%s", *sep, se->se_header); |
4ecf84d0 ACM |
780 | continue; |
781 | } | |
fcd14984 | 782 | width = strlen(se->se_header); |
8a6c5b26 ACM |
783 | if (symbol_conf.col_width_list_str) { |
784 | if (col_width) { | |
785 | hists__set_col_len(self, se->se_width_idx, | |
786 | atoi(col_width)); | |
787 | col_width = strchr(col_width, ','); | |
788 | if (col_width) | |
789 | ++col_width; | |
4ecf84d0 | 790 | } |
4ecf84d0 | 791 | } |
8a6c5b26 ACM |
792 | if (!hists__new_col_len(self, se->se_width_idx, width)) |
793 | width = hists__col_len(self, se->se_width_idx); | |
fcd14984 | 794 | fprintf(fp, " %*s", width, se->se_header); |
4ecf84d0 ACM |
795 | } |
796 | fprintf(fp, "\n"); | |
797 | ||
c351c281 | 798 | if (sep) |
4ecf84d0 ACM |
799 | goto print_entries; |
800 | ||
801 | fprintf(fp, "# ........"); | |
802 | if (symbol_conf.show_nr_samples) | |
803 | fprintf(fp, " .........."); | |
c351c281 ACM |
804 | if (pair) { |
805 | fprintf(fp, " .........."); | |
806 | if (show_displacement) | |
807 | fprintf(fp, " ....."); | |
808 | } | |
4ecf84d0 ACM |
809 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
810 | unsigned int i; | |
811 | ||
812 | if (se->elide) | |
813 | continue; | |
814 | ||
815 | fprintf(fp, " "); | |
8a6c5b26 ACM |
816 | width = hists__col_len(self, se->se_width_idx); |
817 | if (width == 0) | |
fcd14984 | 818 | width = strlen(se->se_header); |
4ecf84d0 ACM |
819 | for (i = 0; i < width; i++) |
820 | fprintf(fp, "."); | |
821 | } | |
4ecf84d0 | 822 | |
c351c281 | 823 | fprintf(fp, "\n#\n"); |
4ecf84d0 ACM |
824 | |
825 | print_entries: | |
1c02c4d2 | 826 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { |
c351c281 ACM |
827 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); |
828 | ||
829 | if (show_displacement) { | |
830 | if (h->pair != NULL) | |
831 | displacement = ((long)h->pair->position - | |
832 | (long)position); | |
833 | else | |
834 | displacement = 0; | |
835 | ++position; | |
836 | } | |
8a6c5b26 | 837 | ret += hist_entry__fprintf(h, self, pair, show_displacement, |
cee75ac7 | 838 | displacement, fp, self->stats.total_period); |
3997d377 ACM |
839 | |
840 | if (symbol_conf.use_callchain) | |
8a6c5b26 ACM |
841 | ret += hist_entry__fprintf_callchain(h, self, fp, |
842 | self->stats.total_period); | |
59fd5306 | 843 | if (h->ms.map == NULL && verbose > 1) { |
65f2ed2b | 844 | __map_groups__fprintf_maps(&h->thread->mg, |
c6e718ff | 845 | MAP__FUNCTION, verbose, fp); |
65f2ed2b ACM |
846 | fprintf(fp, "%.10s end\n", graph_dotted_line); |
847 | } | |
4ecf84d0 ACM |
848 | } |
849 | ||
4ecf84d0 ACM |
850 | free(rem_sq_bracket); |
851 | ||
852 | return ret; | |
853 | } | |
b09e0190 | 854 | |
06daaaba ACM |
855 | /* |
856 | * See hists__fprintf to match the column widths | |
857 | */ | |
858 | unsigned int hists__sort_list_width(struct hists *self) | |
859 | { | |
860 | struct sort_entry *se; | |
861 | int ret = 9; /* total % */ | |
862 | ||
863 | if (symbol_conf.show_cpu_utilization) { | |
864 | ret += 7; /* count_sys % */ | |
865 | ret += 6; /* count_us % */ | |
866 | if (perf_guest) { | |
867 | ret += 13; /* count_guest_sys % */ | |
868 | ret += 12; /* count_guest_us % */ | |
869 | } | |
870 | } | |
871 | ||
872 | if (symbol_conf.show_nr_samples) | |
873 | ret += 11; | |
874 | ||
875 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
876 | if (!se->elide) | |
877 | ret += 2 + hists__col_len(self, se->se_width_idx); | |
878 | ||
903cce6e ACM |
879 | if (verbose) /* Addr + origin */ |
880 | ret += 3 + BITS_PER_LONG / 4; | |
881 | ||
06daaaba ACM |
882 | return ret; |
883 | } | |
884 | ||
cc5edb0e ACM |
885 | static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h, |
886 | enum hist_filter filter) | |
887 | { | |
888 | h->filtered &= ~(1 << filter); | |
889 | if (h->filtered) | |
890 | return; | |
891 | ||
892 | ++self->nr_entries; | |
0f0cbf7a ACM |
893 | if (h->ms.unfolded) |
894 | self->nr_entries += h->nr_rows; | |
895 | h->row_offset = 0; | |
cc5edb0e ACM |
896 | self->stats.total_period += h->period; |
897 | self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events; | |
898 | ||
8a6c5b26 | 899 | hists__calc_col_len(self, h); |
cc5edb0e ACM |
900 | } |
901 | ||
b09e0190 ACM |
902 | void hists__filter_by_dso(struct hists *self, const struct dso *dso) |
903 | { | |
904 | struct rb_node *nd; | |
905 | ||
cee75ac7 | 906 | self->nr_entries = self->stats.total_period = 0; |
c82ee828 | 907 | self->stats.nr_events[PERF_RECORD_SAMPLE] = 0; |
8a6c5b26 | 908 | hists__reset_col_len(self); |
b09e0190 ACM |
909 | |
910 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { | |
911 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
912 | ||
913 | if (symbol_conf.exclude_other && !h->parent) | |
914 | continue; | |
915 | ||
916 | if (dso != NULL && (h->ms.map == NULL || h->ms.map->dso != dso)) { | |
917 | h->filtered |= (1 << HIST_FILTER__DSO); | |
918 | continue; | |
919 | } | |
920 | ||
cc5edb0e | 921 | hists__remove_entry_filter(self, h, HIST_FILTER__DSO); |
b09e0190 ACM |
922 | } |
923 | } | |
924 | ||
925 | void hists__filter_by_thread(struct hists *self, const struct thread *thread) | |
926 | { | |
927 | struct rb_node *nd; | |
928 | ||
cee75ac7 | 929 | self->nr_entries = self->stats.total_period = 0; |
c82ee828 | 930 | self->stats.nr_events[PERF_RECORD_SAMPLE] = 0; |
8a6c5b26 | 931 | hists__reset_col_len(self); |
b09e0190 ACM |
932 | |
933 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { | |
934 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
935 | ||
936 | if (thread != NULL && h->thread != thread) { | |
937 | h->filtered |= (1 << HIST_FILTER__THREAD); | |
938 | continue; | |
939 | } | |
cc5edb0e ACM |
940 | |
941 | hists__remove_entry_filter(self, h, HIST_FILTER__THREAD); | |
b09e0190 ACM |
942 | } |
943 | } | |
ef7b93a1 ACM |
944 | |
945 | static int symbol__alloc_hist(struct symbol *self) | |
946 | { | |
947 | struct sym_priv *priv = symbol__priv(self); | |
948 | const int size = (sizeof(*priv->hist) + | |
949 | (self->end - self->start) * sizeof(u64)); | |
950 | ||
951 | priv->hist = zalloc(size); | |
952 | return priv->hist == NULL ? -1 : 0; | |
953 | } | |
954 | ||
955 | int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip) | |
956 | { | |
957 | unsigned int sym_size, offset; | |
958 | struct symbol *sym = self->ms.sym; | |
959 | struct sym_priv *priv; | |
960 | struct sym_hist *h; | |
961 | ||
962 | if (!sym || !self->ms.map) | |
963 | return 0; | |
964 | ||
965 | priv = symbol__priv(sym); | |
966 | if (priv->hist == NULL && symbol__alloc_hist(sym) < 0) | |
967 | return -ENOMEM; | |
968 | ||
969 | sym_size = sym->end - sym->start; | |
970 | offset = ip - sym->start; | |
971 | ||
972 | pr_debug3("%s: ip=%#Lx\n", __func__, self->ms.map->unmap_ip(self->ms.map, ip)); | |
973 | ||
974 | if (offset >= sym_size) | |
975 | return 0; | |
976 | ||
977 | h = priv->hist; | |
978 | h->sum++; | |
979 | h->ip[offset]++; | |
980 | ||
c82ee828 | 981 | pr_debug3("%#Lx %s: period++ [ip: %#Lx, %#Lx] => %Ld\n", self->ms.sym->start, |
ef7b93a1 ACM |
982 | self->ms.sym->name, ip, ip - self->ms.sym->start, h->ip[offset]); |
983 | return 0; | |
984 | } | |
985 | ||
92221162 | 986 | static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize) |
ef7b93a1 | 987 | { |
92221162 | 988 | struct objdump_line *self = malloc(sizeof(*self) + privsize); |
ef7b93a1 ACM |
989 | |
990 | if (self != NULL) { | |
991 | self->offset = offset; | |
992 | self->line = line; | |
993 | } | |
994 | ||
995 | return self; | |
996 | } | |
997 | ||
998 | void objdump_line__free(struct objdump_line *self) | |
999 | { | |
1000 | free(self->line); | |
1001 | free(self); | |
1002 | } | |
1003 | ||
1004 | static void objdump__add_line(struct list_head *head, struct objdump_line *line) | |
1005 | { | |
1006 | list_add_tail(&line->node, head); | |
1007 | } | |
1008 | ||
1009 | struct objdump_line *objdump__get_next_ip_line(struct list_head *head, | |
1010 | struct objdump_line *pos) | |
1011 | { | |
1012 | list_for_each_entry_continue(pos, head, node) | |
1013 | if (pos->offset >= 0) | |
1014 | return pos; | |
1015 | ||
1016 | return NULL; | |
1017 | } | |
1018 | ||
1019 | static int hist_entry__parse_objdump_line(struct hist_entry *self, FILE *file, | |
92221162 | 1020 | struct list_head *head, size_t privsize) |
ef7b93a1 ACM |
1021 | { |
1022 | struct symbol *sym = self->ms.sym; | |
1023 | struct objdump_line *objdump_line; | |
1024 | char *line = NULL, *tmp, *tmp2, *c; | |
1025 | size_t line_len; | |
1026 | s64 line_ip, offset = -1; | |
1027 | ||
1028 | if (getline(&line, &line_len, file) < 0) | |
1029 | return -1; | |
1030 | ||
1031 | if (!line) | |
1032 | return -1; | |
1033 | ||
1034 | while (line_len != 0 && isspace(line[line_len - 1])) | |
1035 | line[--line_len] = '\0'; | |
1036 | ||
1037 | c = strchr(line, '\n'); | |
1038 | if (c) | |
1039 | *c = 0; | |
1040 | ||
1041 | line_ip = -1; | |
1042 | ||
1043 | /* | |
1044 | * Strip leading spaces: | |
1045 | */ | |
1046 | tmp = line; | |
1047 | while (*tmp) { | |
1048 | if (*tmp != ' ') | |
1049 | break; | |
1050 | tmp++; | |
1051 | } | |
1052 | ||
1053 | if (*tmp) { | |
1054 | /* | |
1055 | * Parse hexa addresses followed by ':' | |
1056 | */ | |
1057 | line_ip = strtoull(tmp, &tmp2, 16); | |
70a7cb3b | 1058 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') |
ef7b93a1 ACM |
1059 | line_ip = -1; |
1060 | } | |
1061 | ||
1062 | if (line_ip != -1) { | |
70a7cb3b ACM |
1063 | u64 start = map__rip_2objdump(self->ms.map, sym->start), |
1064 | end = map__rip_2objdump(self->ms.map, sym->end); | |
1065 | ||
ef7b93a1 | 1066 | offset = line_ip - start; |
70a7cb3b ACM |
1067 | if (offset < 0 || (u64)line_ip > end) |
1068 | offset = -1; | |
ef7b93a1 ACM |
1069 | } |
1070 | ||
92221162 | 1071 | objdump_line = objdump_line__new(offset, line, privsize); |
ef7b93a1 ACM |
1072 | if (objdump_line == NULL) { |
1073 | free(line); | |
1074 | return -1; | |
1075 | } | |
1076 | objdump__add_line(head, objdump_line); | |
1077 | ||
1078 | return 0; | |
1079 | } | |
1080 | ||
92221162 ACM |
1081 | int hist_entry__annotate(struct hist_entry *self, struct list_head *head, |
1082 | size_t privsize) | |
ef7b93a1 ACM |
1083 | { |
1084 | struct symbol *sym = self->ms.sym; | |
1085 | struct map *map = self->ms.map; | |
1086 | struct dso *dso = map->dso; | |
b36f19d5 | 1087 | char *filename = dso__build_id_filename(dso, NULL, 0); |
44bf4606 | 1088 | bool free_filename = true; |
ef7b93a1 ACM |
1089 | char command[PATH_MAX * 2]; |
1090 | FILE *file; | |
46e3e055 | 1091 | int err = 0; |
ef7b93a1 ACM |
1092 | u64 len; |
1093 | ||
b36f19d5 ACM |
1094 | if (filename == NULL) { |
1095 | if (dso->has_build_id) { | |
1096 | pr_err("Can't annotate %s: not enough memory\n", | |
1097 | sym->name); | |
46e3e055 | 1098 | return -ENOMEM; |
b36f19d5 | 1099 | } |
44bf4606 ACM |
1100 | goto fallback; |
1101 | } else if (readlink(filename, command, sizeof(command)) < 0 || | |
1102 | strstr(command, "[kernel.kallsyms]") || | |
1103 | access(filename, R_OK)) { | |
1104 | free(filename); | |
1105 | fallback: | |
b36f19d5 | 1106 | /* |
44bf4606 ACM |
1107 | * If we don't have build-ids or the build-id file isn't in the |
1108 | * cache, or is just a kallsyms file, well, lets hope that this | |
b36f19d5 ACM |
1109 | * DSO is the same as when 'perf record' ran. |
1110 | */ | |
1111 | filename = dso->long_name; | |
44bf4606 | 1112 | free_filename = false; |
b36f19d5 | 1113 | } |
ef7b93a1 ACM |
1114 | |
1115 | if (dso->origin == DSO__ORIG_KERNEL) { | |
46e3e055 | 1116 | if (dso->annotate_warned) |
b36f19d5 | 1117 | goto out_free_filename; |
46e3e055 | 1118 | err = -ENOENT; |
ef7b93a1 ACM |
1119 | dso->annotate_warned = 1; |
1120 | pr_err("Can't annotate %s: No vmlinux file was found in the " | |
46e3e055 | 1121 | "path\n", sym->name); |
b36f19d5 | 1122 | goto out_free_filename; |
ef7b93a1 ACM |
1123 | } |
1124 | ||
1125 | pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, | |
1126 | filename, sym->name, map->unmap_ip(map, sym->start), | |
1127 | map->unmap_ip(map, sym->end)); | |
1128 | ||
1129 | len = sym->end - sym->start; | |
1130 | ||
1131 | pr_debug("annotating [%p] %30s : [%p] %30s\n", | |
1132 | dso, dso->long_name, sym, sym->name); | |
1133 | ||
1134 | snprintf(command, sizeof(command), | |
45d8e802 | 1135 | "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS -C %s|grep -v %s|expand", |
ef7b93a1 ACM |
1136 | map__rip_2objdump(map, sym->start), |
1137 | map__rip_2objdump(map, sym->end), | |
1138 | filename, filename); | |
1139 | ||
1140 | pr_debug("Executing: %s\n", command); | |
1141 | ||
1142 | file = popen(command, "r"); | |
1143 | if (!file) | |
b36f19d5 | 1144 | goto out_free_filename; |
ef7b93a1 ACM |
1145 | |
1146 | while (!feof(file)) | |
92221162 | 1147 | if (hist_entry__parse_objdump_line(self, file, head, privsize) < 0) |
ef7b93a1 ACM |
1148 | break; |
1149 | ||
1150 | pclose(file); | |
b36f19d5 | 1151 | out_free_filename: |
44bf4606 | 1152 | if (free_filename) |
b36f19d5 ACM |
1153 | free(filename); |
1154 | return err; | |
ef7b93a1 | 1155 | } |
c8446b9b ACM |
1156 | |
1157 | void hists__inc_nr_events(struct hists *self, u32 type) | |
1158 | { | |
cee75ac7 ACM |
1159 | ++self->stats.nr_events[0]; |
1160 | ++self->stats.nr_events[type]; | |
c8446b9b ACM |
1161 | } |
1162 | ||
1163 | size_t hists__fprintf_nr_events(struct hists *self, FILE *fp) | |
1164 | { | |
1165 | int i; | |
1166 | size_t ret = 0; | |
1167 | ||
1168 | for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) { | |
1169 | if (!event__name[i]) | |
1170 | continue; | |
1171 | ret += fprintf(fp, "%10s events: %10d\n", | |
1172 | event__name[i], self->stats.nr_events[i]); | |
1173 | } | |
1174 | ||
1175 | return ret; | |
1176 | } |