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 | { | |
d2009c51 | 90 | size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_root) : 0; |
28e2a106 ACM |
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; |
612d4fd7 FW |
229 | if (symbol_conf.use_callchain) |
230 | callchain_merge(iter->callchain, he->callchain); | |
3d1d07ec | 231 | hist_entry__free(he); |
fefb0b94 | 232 | return false; |
3d1d07ec JK |
233 | } |
234 | ||
235 | if (cmp < 0) | |
236 | p = &(*p)->rb_left; | |
237 | else | |
238 | p = &(*p)->rb_right; | |
239 | } | |
240 | ||
241 | rb_link_node(&he->rb_node, parent, p); | |
b9bf0892 | 242 | rb_insert_color(&he->rb_node, root); |
fefb0b94 | 243 | return true; |
3d1d07ec JK |
244 | } |
245 | ||
1c02c4d2 | 246 | void hists__collapse_resort(struct hists *self) |
3d1d07ec | 247 | { |
b9bf0892 | 248 | struct rb_root tmp; |
3d1d07ec JK |
249 | struct rb_node *next; |
250 | struct hist_entry *n; | |
251 | ||
252 | if (!sort__need_collapse) | |
253 | return; | |
254 | ||
b9bf0892 | 255 | tmp = RB_ROOT; |
1c02c4d2 | 256 | next = rb_first(&self->entries); |
fefb0b94 | 257 | self->nr_entries = 0; |
8a6c5b26 | 258 | hists__reset_col_len(self); |
b9bf0892 | 259 | |
3d1d07ec JK |
260 | while (next) { |
261 | n = rb_entry(next, struct hist_entry, rb_node); | |
262 | next = rb_next(&n->rb_node); | |
263 | ||
1c02c4d2 | 264 | rb_erase(&n->rb_node, &self->entries); |
fefb0b94 ACM |
265 | if (collapse__insert_entry(&tmp, n)) |
266 | hists__inc_nr_entries(self, n); | |
3d1d07ec | 267 | } |
b9bf0892 | 268 | |
1c02c4d2 | 269 | self->entries = tmp; |
3d1d07ec JK |
270 | } |
271 | ||
272 | /* | |
c82ee828 | 273 | * reverse the map, sort on period. |
3d1d07ec JK |
274 | */ |
275 | ||
1c02c4d2 ACM |
276 | static void __hists__insert_output_entry(struct rb_root *entries, |
277 | struct hist_entry *he, | |
278 | u64 min_callchain_hits) | |
3d1d07ec | 279 | { |
1c02c4d2 | 280 | struct rb_node **p = &entries->rb_node; |
3d1d07ec JK |
281 | struct rb_node *parent = NULL; |
282 | struct hist_entry *iter; | |
283 | ||
d599db3f | 284 | if (symbol_conf.use_callchain) |
b9fb9304 | 285 | callchain_param.sort(&he->sorted_chain, he->callchain, |
3d1d07ec JK |
286 | min_callchain_hits, &callchain_param); |
287 | ||
288 | while (*p != NULL) { | |
289 | parent = *p; | |
290 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
291 | ||
c82ee828 | 292 | if (he->period > iter->period) |
3d1d07ec JK |
293 | p = &(*p)->rb_left; |
294 | else | |
295 | p = &(*p)->rb_right; | |
296 | } | |
297 | ||
298 | rb_link_node(&he->rb_node, parent, p); | |
1c02c4d2 | 299 | rb_insert_color(&he->rb_node, entries); |
3d1d07ec JK |
300 | } |
301 | ||
fefb0b94 | 302 | void hists__output_resort(struct hists *self) |
3d1d07ec | 303 | { |
b9bf0892 | 304 | struct rb_root tmp; |
3d1d07ec JK |
305 | struct rb_node *next; |
306 | struct hist_entry *n; | |
3d1d07ec JK |
307 | u64 min_callchain_hits; |
308 | ||
cee75ac7 | 309 | min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100); |
3d1d07ec | 310 | |
b9bf0892 | 311 | tmp = RB_ROOT; |
1c02c4d2 | 312 | next = rb_first(&self->entries); |
3d1d07ec | 313 | |
fefb0b94 | 314 | self->nr_entries = 0; |
8a6c5b26 | 315 | hists__reset_col_len(self); |
fefb0b94 | 316 | |
3d1d07ec JK |
317 | while (next) { |
318 | n = rb_entry(next, struct hist_entry, rb_node); | |
319 | next = rb_next(&n->rb_node); | |
320 | ||
1c02c4d2 ACM |
321 | rb_erase(&n->rb_node, &self->entries); |
322 | __hists__insert_output_entry(&tmp, n, min_callchain_hits); | |
fefb0b94 | 323 | hists__inc_nr_entries(self, n); |
3d1d07ec | 324 | } |
b9bf0892 | 325 | |
1c02c4d2 | 326 | self->entries = tmp; |
3d1d07ec | 327 | } |
4ecf84d0 ACM |
328 | |
329 | static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin) | |
330 | { | |
331 | int i; | |
332 | int ret = fprintf(fp, " "); | |
333 | ||
334 | for (i = 0; i < left_margin; i++) | |
335 | ret += fprintf(fp, " "); | |
336 | ||
337 | return ret; | |
338 | } | |
339 | ||
340 | static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask, | |
341 | int left_margin) | |
342 | { | |
343 | int i; | |
344 | size_t ret = callchain__fprintf_left_margin(fp, left_margin); | |
345 | ||
346 | for (i = 0; i < depth; i++) | |
347 | if (depth_mask & (1 << i)) | |
348 | ret += fprintf(fp, "| "); | |
349 | else | |
350 | ret += fprintf(fp, " "); | |
351 | ||
352 | ret += fprintf(fp, "\n"); | |
353 | ||
354 | return ret; | |
355 | } | |
356 | ||
357 | static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, | |
c82ee828 | 358 | int depth, int depth_mask, int period, |
d425de54 | 359 | u64 total_samples, u64 hits, |
4ecf84d0 ACM |
360 | int left_margin) |
361 | { | |
362 | int i; | |
363 | size_t ret = 0; | |
364 | ||
365 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
366 | for (i = 0; i < depth; i++) { | |
367 | if (depth_mask & (1 << i)) | |
368 | ret += fprintf(fp, "|"); | |
369 | else | |
370 | ret += fprintf(fp, " "); | |
c82ee828 | 371 | if (!period && i == depth - 1) { |
4ecf84d0 ACM |
372 | double percent; |
373 | ||
374 | percent = hits * 100.0 / total_samples; | |
375 | ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent); | |
376 | } else | |
377 | ret += fprintf(fp, "%s", " "); | |
378 | } | |
b3c9ac08 ACM |
379 | if (chain->ms.sym) |
380 | ret += fprintf(fp, "%s\n", chain->ms.sym->name); | |
4ecf84d0 ACM |
381 | else |
382 | ret += fprintf(fp, "%p\n", (void *)(long)chain->ip); | |
383 | ||
384 | return ret; | |
385 | } | |
386 | ||
387 | static struct symbol *rem_sq_bracket; | |
388 | static struct callchain_list rem_hits; | |
389 | ||
390 | static void init_rem_hits(void) | |
391 | { | |
392 | rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6); | |
393 | if (!rem_sq_bracket) { | |
394 | fprintf(stderr, "Not enough memory to display remaining hits\n"); | |
395 | return; | |
396 | } | |
397 | ||
398 | strcpy(rem_sq_bracket->name, "[...]"); | |
b3c9ac08 | 399 | rem_hits.ms.sym = rem_sq_bracket; |
4ecf84d0 ACM |
400 | } |
401 | ||
402 | static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
403 | u64 total_samples, int depth, | |
404 | int depth_mask, int left_margin) | |
405 | { | |
406 | struct rb_node *node, *next; | |
407 | struct callchain_node *child; | |
408 | struct callchain_list *chain; | |
409 | int new_depth_mask = depth_mask; | |
410 | u64 new_total; | |
411 | u64 remaining; | |
412 | size_t ret = 0; | |
413 | int i; | |
232a5c94 | 414 | uint entries_printed = 0; |
4ecf84d0 ACM |
415 | |
416 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
417 | new_total = self->children_hit; | |
418 | else | |
419 | new_total = total_samples; | |
420 | ||
421 | remaining = new_total; | |
422 | ||
423 | node = rb_first(&self->rb_root); | |
424 | while (node) { | |
425 | u64 cumul; | |
426 | ||
427 | child = rb_entry(node, struct callchain_node, rb_node); | |
428 | cumul = cumul_hits(child); | |
429 | remaining -= cumul; | |
430 | ||
431 | /* | |
432 | * The depth mask manages the output of pipes that show | |
433 | * the depth. We don't want to keep the pipes of the current | |
434 | * level for the last child of this depth. | |
435 | * Except if we have remaining filtered hits. They will | |
436 | * supersede the last child | |
437 | */ | |
438 | next = rb_next(node); | |
439 | if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining)) | |
440 | new_depth_mask &= ~(1 << (depth - 1)); | |
441 | ||
442 | /* | |
3ad2f3fb | 443 | * But we keep the older depth mask for the line separator |
4ecf84d0 ACM |
444 | * to keep the level link until we reach the last child |
445 | */ | |
446 | ret += ipchain__fprintf_graph_line(fp, depth, depth_mask, | |
447 | left_margin); | |
448 | i = 0; | |
449 | list_for_each_entry(chain, &child->val, list) { | |
4ecf84d0 ACM |
450 | ret += ipchain__fprintf_graph(fp, chain, depth, |
451 | new_depth_mask, i++, | |
452 | new_total, | |
453 | cumul, | |
454 | left_margin); | |
455 | } | |
456 | ret += __callchain__fprintf_graph(fp, child, new_total, | |
457 | depth + 1, | |
458 | new_depth_mask | (1 << depth), | |
459 | left_margin); | |
460 | node = next; | |
232a5c94 ACM |
461 | if (++entries_printed == callchain_param.print_limit) |
462 | break; | |
4ecf84d0 ACM |
463 | } |
464 | ||
465 | if (callchain_param.mode == CHAIN_GRAPH_REL && | |
466 | remaining && remaining != new_total) { | |
467 | ||
468 | if (!rem_sq_bracket) | |
469 | return ret; | |
470 | ||
471 | new_depth_mask &= ~(1 << (depth - 1)); | |
472 | ||
473 | ret += ipchain__fprintf_graph(fp, &rem_hits, depth, | |
474 | new_depth_mask, 0, new_total, | |
475 | remaining, left_margin); | |
476 | } | |
477 | ||
478 | return ret; | |
479 | } | |
480 | ||
481 | static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
482 | u64 total_samples, int left_margin) | |
483 | { | |
484 | struct callchain_list *chain; | |
485 | bool printed = false; | |
486 | int i = 0; | |
487 | int ret = 0; | |
232a5c94 | 488 | u32 entries_printed = 0; |
4ecf84d0 ACM |
489 | |
490 | list_for_each_entry(chain, &self->val, list) { | |
4ecf84d0 ACM |
491 | if (!i++ && sort__first_dimension == SORT_SYM) |
492 | continue; | |
493 | ||
494 | if (!printed) { | |
495 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
496 | ret += fprintf(fp, "|\n"); | |
497 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
498 | ret += fprintf(fp, "---"); | |
499 | ||
500 | left_margin += 3; | |
501 | printed = true; | |
502 | } else | |
503 | ret += callchain__fprintf_left_margin(fp, left_margin); | |
504 | ||
b3c9ac08 ACM |
505 | if (chain->ms.sym) |
506 | ret += fprintf(fp, " %s\n", chain->ms.sym->name); | |
4ecf84d0 ACM |
507 | else |
508 | ret += fprintf(fp, " %p\n", (void *)(long)chain->ip); | |
232a5c94 ACM |
509 | |
510 | if (++entries_printed == callchain_param.print_limit) | |
511 | break; | |
4ecf84d0 ACM |
512 | } |
513 | ||
514 | ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin); | |
515 | ||
516 | return ret; | |
517 | } | |
518 | ||
519 | static size_t callchain__fprintf_flat(FILE *fp, struct callchain_node *self, | |
520 | u64 total_samples) | |
521 | { | |
522 | struct callchain_list *chain; | |
523 | size_t ret = 0; | |
524 | ||
525 | if (!self) | |
526 | return 0; | |
527 | ||
528 | ret += callchain__fprintf_flat(fp, self->parent, total_samples); | |
529 | ||
530 | ||
531 | list_for_each_entry(chain, &self->val, list) { | |
532 | if (chain->ip >= PERF_CONTEXT_MAX) | |
533 | continue; | |
b3c9ac08 ACM |
534 | if (chain->ms.sym) |
535 | ret += fprintf(fp, " %s\n", chain->ms.sym->name); | |
4ecf84d0 ACM |
536 | else |
537 | ret += fprintf(fp, " %p\n", | |
538 | (void *)(long)chain->ip); | |
539 | } | |
540 | ||
541 | return ret; | |
542 | } | |
543 | ||
544 | static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, | |
545 | u64 total_samples, int left_margin) | |
546 | { | |
547 | struct rb_node *rb_node; | |
548 | struct callchain_node *chain; | |
549 | size_t ret = 0; | |
232a5c94 | 550 | u32 entries_printed = 0; |
4ecf84d0 ACM |
551 | |
552 | rb_node = rb_first(&self->sorted_chain); | |
553 | while (rb_node) { | |
554 | double percent; | |
555 | ||
556 | chain = rb_entry(rb_node, struct callchain_node, rb_node); | |
557 | percent = chain->hit * 100.0 / total_samples; | |
558 | switch (callchain_param.mode) { | |
559 | case CHAIN_FLAT: | |
560 | ret += percent_color_fprintf(fp, " %6.2f%%\n", | |
561 | percent); | |
562 | ret += callchain__fprintf_flat(fp, chain, total_samples); | |
563 | break; | |
564 | case CHAIN_GRAPH_ABS: /* Falldown */ | |
565 | case CHAIN_GRAPH_REL: | |
566 | ret += callchain__fprintf_graph(fp, chain, total_samples, | |
567 | left_margin); | |
568 | case CHAIN_NONE: | |
569 | default: | |
570 | break; | |
571 | } | |
572 | ret += fprintf(fp, "\n"); | |
232a5c94 ACM |
573 | if (++entries_printed == callchain_param.print_limit) |
574 | break; | |
4ecf84d0 ACM |
575 | rb_node = rb_next(rb_node); |
576 | } | |
577 | ||
578 | return ret; | |
579 | } | |
580 | ||
1c02c4d2 | 581 | int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size, |
8a6c5b26 ACM |
582 | struct hists *hists, struct hists *pair_hists, |
583 | bool show_displacement, long displacement, | |
584 | bool color, u64 session_total) | |
4ecf84d0 ACM |
585 | { |
586 | struct sort_entry *se; | |
c82ee828 | 587 | u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us; |
c351c281 | 588 | const char *sep = symbol_conf.field_sep; |
a4e3b956 | 589 | int ret; |
4ecf84d0 ACM |
590 | |
591 | if (symbol_conf.exclude_other && !self->parent) | |
592 | return 0; | |
593 | ||
1c02c4d2 | 594 | if (pair_hists) { |
c82ee828 | 595 | period = self->pair ? self->pair->period : 0; |
cee75ac7 | 596 | total = pair_hists->stats.total_period; |
c82ee828 ACM |
597 | period_sys = self->pair ? self->pair->period_sys : 0; |
598 | period_us = self->pair ? self->pair->period_us : 0; | |
599 | period_guest_sys = self->pair ? self->pair->period_guest_sys : 0; | |
600 | period_guest_us = self->pair ? self->pair->period_guest_us : 0; | |
c351c281 | 601 | } else { |
c82ee828 | 602 | period = self->period; |
eefc465c | 603 | total = session_total; |
c82ee828 ACM |
604 | period_sys = self->period_sys; |
605 | period_us = self->period_us; | |
606 | period_guest_sys = self->period_guest_sys; | |
607 | period_guest_us = self->period_guest_us; | |
c351c281 ACM |
608 | } |
609 | ||
a4e3b956 ACM |
610 | if (total) { |
611 | if (color) | |
612 | ret = percent_color_snprintf(s, size, | |
613 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 614 | (period * 100.0) / total); |
a4e3b956 ACM |
615 | else |
616 | ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 617 | (period * 100.0) / total); |
a1645ce1 ZY |
618 | if (symbol_conf.show_cpu_utilization) { |
619 | ret += percent_color_snprintf(s + ret, size - ret, | |
620 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 621 | (period_sys * 100.0) / total); |
a1645ce1 ZY |
622 | ret += percent_color_snprintf(s + ret, size - ret, |
623 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 624 | (period_us * 100.0) / total); |
a1645ce1 ZY |
625 | if (perf_guest) { |
626 | ret += percent_color_snprintf(s + ret, | |
627 | size - ret, | |
628 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 629 | (period_guest_sys * 100.0) / |
a1645ce1 ZY |
630 | total); |
631 | ret += percent_color_snprintf(s + ret, | |
632 | size - ret, | |
633 | sep ? "%.2f" : " %6.2f%%", | |
c82ee828 | 634 | (period_guest_us * 100.0) / |
a1645ce1 ZY |
635 | total); |
636 | } | |
637 | } | |
a4e3b956 | 638 | } else |
9486aa38 | 639 | ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period); |
4ecf84d0 ACM |
640 | |
641 | if (symbol_conf.show_nr_samples) { | |
c351c281 | 642 | if (sep) |
9486aa38 | 643 | ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period); |
4ecf84d0 | 644 | else |
9486aa38 | 645 | ret += snprintf(s + ret, size - ret, "%11" PRIu64, period); |
c351c281 ACM |
646 | } |
647 | ||
1c02c4d2 | 648 | if (pair_hists) { |
c351c281 ACM |
649 | char bf[32]; |
650 | double old_percent = 0, new_percent = 0, diff; | |
651 | ||
652 | if (total > 0) | |
c82ee828 | 653 | old_percent = (period * 100.0) / total; |
eefc465c | 654 | if (session_total > 0) |
c82ee828 | 655 | new_percent = (self->period * 100.0) / session_total; |
c351c281 | 656 | |
9b33827d | 657 | diff = new_percent - old_percent; |
c351c281 | 658 | |
9b33827d | 659 | if (fabs(diff) >= 0.01) |
c351c281 ACM |
660 | snprintf(bf, sizeof(bf), "%+4.2F%%", diff); |
661 | else | |
662 | snprintf(bf, sizeof(bf), " "); | |
663 | ||
664 | if (sep) | |
a4e3b956 | 665 | ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf); |
c351c281 | 666 | else |
a4e3b956 | 667 | ret += snprintf(s + ret, size - ret, "%11.11s", bf); |
c351c281 ACM |
668 | |
669 | if (show_displacement) { | |
670 | if (displacement) | |
671 | snprintf(bf, sizeof(bf), "%+4ld", displacement); | |
672 | else | |
673 | snprintf(bf, sizeof(bf), " "); | |
674 | ||
675 | if (sep) | |
a4e3b956 | 676 | ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf); |
c351c281 | 677 | else |
a4e3b956 | 678 | ret += snprintf(s + ret, size - ret, "%6.6s", bf); |
c351c281 | 679 | } |
4ecf84d0 ACM |
680 | } |
681 | ||
682 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
683 | if (se->elide) | |
684 | continue; | |
685 | ||
a4e3b956 | 686 | ret += snprintf(s + ret, size - ret, "%s", sep ?: " "); |
fcd14984 | 687 | ret += se->se_snprintf(self, s + ret, size - ret, |
8a6c5b26 | 688 | hists__col_len(hists, se->se_width_idx)); |
4ecf84d0 ACM |
689 | } |
690 | ||
a4e3b956 ACM |
691 | return ret; |
692 | } | |
693 | ||
8a6c5b26 ACM |
694 | int hist_entry__fprintf(struct hist_entry *self, struct hists *hists, |
695 | struct hists *pair_hists, bool show_displacement, | |
696 | long displacement, FILE *fp, u64 session_total) | |
a4e3b956 ACM |
697 | { |
698 | char bf[512]; | |
8a6c5b26 | 699 | hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists, |
a4e3b956 ACM |
700 | show_displacement, displacement, |
701 | true, session_total); | |
702 | return fprintf(fp, "%s\n", bf); | |
3997d377 | 703 | } |
4ecf84d0 | 704 | |
8a6c5b26 ACM |
705 | static size_t hist_entry__fprintf_callchain(struct hist_entry *self, |
706 | struct hists *hists, FILE *fp, | |
3997d377 ACM |
707 | u64 session_total) |
708 | { | |
709 | int left_margin = 0; | |
4ecf84d0 | 710 | |
3997d377 ACM |
711 | if (sort__first_dimension == SORT_COMM) { |
712 | struct sort_entry *se = list_first_entry(&hist_entry__sort_list, | |
713 | typeof(*se), list); | |
8a6c5b26 | 714 | left_margin = hists__col_len(hists, se->se_width_idx); |
3997d377 | 715 | left_margin -= thread__comm_len(self->thread); |
4ecf84d0 ACM |
716 | } |
717 | ||
3997d377 ACM |
718 | return hist_entry_callchain__fprintf(fp, self, session_total, |
719 | left_margin); | |
4ecf84d0 ACM |
720 | } |
721 | ||
1c02c4d2 ACM |
722 | size_t hists__fprintf(struct hists *self, struct hists *pair, |
723 | bool show_displacement, FILE *fp) | |
4ecf84d0 | 724 | { |
4ecf84d0 ACM |
725 | struct sort_entry *se; |
726 | struct rb_node *nd; | |
727 | size_t ret = 0; | |
c351c281 ACM |
728 | unsigned long position = 1; |
729 | long displacement = 0; | |
4ecf84d0 | 730 | unsigned int width; |
c351c281 | 731 | const char *sep = symbol_conf.field_sep; |
edb7c60e | 732 | const char *col_width = symbol_conf.col_width_list_str; |
4ecf84d0 ACM |
733 | |
734 | init_rem_hits(); | |
735 | ||
c351c281 ACM |
736 | fprintf(fp, "# %s", pair ? "Baseline" : "Overhead"); |
737 | ||
4ecf84d0 | 738 | if (symbol_conf.show_nr_samples) { |
c351c281 ACM |
739 | if (sep) |
740 | fprintf(fp, "%cSamples", *sep); | |
4ecf84d0 ACM |
741 | else |
742 | fputs(" Samples ", fp); | |
743 | } | |
c351c281 | 744 | |
a1645ce1 ZY |
745 | if (symbol_conf.show_cpu_utilization) { |
746 | if (sep) { | |
747 | ret += fprintf(fp, "%csys", *sep); | |
748 | ret += fprintf(fp, "%cus", *sep); | |
749 | if (perf_guest) { | |
750 | ret += fprintf(fp, "%cguest sys", *sep); | |
751 | ret += fprintf(fp, "%cguest us", *sep); | |
752 | } | |
753 | } else { | |
754 | ret += fprintf(fp, " sys "); | |
755 | ret += fprintf(fp, " us "); | |
756 | if (perf_guest) { | |
757 | ret += fprintf(fp, " guest sys "); | |
758 | ret += fprintf(fp, " guest us "); | |
759 | } | |
760 | } | |
761 | } | |
762 | ||
c351c281 ACM |
763 | if (pair) { |
764 | if (sep) | |
765 | ret += fprintf(fp, "%cDelta", *sep); | |
766 | else | |
767 | ret += fprintf(fp, " Delta "); | |
768 | ||
769 | if (show_displacement) { | |
770 | if (sep) | |
771 | ret += fprintf(fp, "%cDisplacement", *sep); | |
772 | else | |
773 | ret += fprintf(fp, " Displ"); | |
774 | } | |
775 | } | |
776 | ||
4ecf84d0 ACM |
777 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
778 | if (se->elide) | |
779 | continue; | |
c351c281 | 780 | if (sep) { |
fcd14984 | 781 | fprintf(fp, "%c%s", *sep, se->se_header); |
4ecf84d0 ACM |
782 | continue; |
783 | } | |
fcd14984 | 784 | width = strlen(se->se_header); |
8a6c5b26 ACM |
785 | if (symbol_conf.col_width_list_str) { |
786 | if (col_width) { | |
787 | hists__set_col_len(self, se->se_width_idx, | |
788 | atoi(col_width)); | |
789 | col_width = strchr(col_width, ','); | |
790 | if (col_width) | |
791 | ++col_width; | |
4ecf84d0 | 792 | } |
4ecf84d0 | 793 | } |
8a6c5b26 ACM |
794 | if (!hists__new_col_len(self, se->se_width_idx, width)) |
795 | width = hists__col_len(self, se->se_width_idx); | |
fcd14984 | 796 | fprintf(fp, " %*s", width, se->se_header); |
4ecf84d0 ACM |
797 | } |
798 | fprintf(fp, "\n"); | |
799 | ||
c351c281 | 800 | if (sep) |
4ecf84d0 ACM |
801 | goto print_entries; |
802 | ||
803 | fprintf(fp, "# ........"); | |
804 | if (symbol_conf.show_nr_samples) | |
805 | fprintf(fp, " .........."); | |
c351c281 ACM |
806 | if (pair) { |
807 | fprintf(fp, " .........."); | |
808 | if (show_displacement) | |
809 | fprintf(fp, " ....."); | |
810 | } | |
4ecf84d0 ACM |
811 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
812 | unsigned int i; | |
813 | ||
814 | if (se->elide) | |
815 | continue; | |
816 | ||
817 | fprintf(fp, " "); | |
8a6c5b26 ACM |
818 | width = hists__col_len(self, se->se_width_idx); |
819 | if (width == 0) | |
fcd14984 | 820 | width = strlen(se->se_header); |
4ecf84d0 ACM |
821 | for (i = 0; i < width; i++) |
822 | fprintf(fp, "."); | |
823 | } | |
4ecf84d0 | 824 | |
c351c281 | 825 | fprintf(fp, "\n#\n"); |
4ecf84d0 ACM |
826 | |
827 | print_entries: | |
1c02c4d2 | 828 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { |
c351c281 ACM |
829 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); |
830 | ||
831 | if (show_displacement) { | |
832 | if (h->pair != NULL) | |
833 | displacement = ((long)h->pair->position - | |
834 | (long)position); | |
835 | else | |
836 | displacement = 0; | |
837 | ++position; | |
838 | } | |
8a6c5b26 | 839 | ret += hist_entry__fprintf(h, self, pair, show_displacement, |
cee75ac7 | 840 | displacement, fp, self->stats.total_period); |
3997d377 ACM |
841 | |
842 | if (symbol_conf.use_callchain) | |
8a6c5b26 ACM |
843 | ret += hist_entry__fprintf_callchain(h, self, fp, |
844 | self->stats.total_period); | |
59fd5306 | 845 | if (h->ms.map == NULL && verbose > 1) { |
65f2ed2b | 846 | __map_groups__fprintf_maps(&h->thread->mg, |
c6e718ff | 847 | MAP__FUNCTION, verbose, fp); |
65f2ed2b ACM |
848 | fprintf(fp, "%.10s end\n", graph_dotted_line); |
849 | } | |
4ecf84d0 ACM |
850 | } |
851 | ||
4ecf84d0 ACM |
852 | free(rem_sq_bracket); |
853 | ||
854 | return ret; | |
855 | } | |
b09e0190 | 856 | |
06daaaba ACM |
857 | /* |
858 | * See hists__fprintf to match the column widths | |
859 | */ | |
860 | unsigned int hists__sort_list_width(struct hists *self) | |
861 | { | |
862 | struct sort_entry *se; | |
863 | int ret = 9; /* total % */ | |
864 | ||
865 | if (symbol_conf.show_cpu_utilization) { | |
866 | ret += 7; /* count_sys % */ | |
867 | ret += 6; /* count_us % */ | |
868 | if (perf_guest) { | |
869 | ret += 13; /* count_guest_sys % */ | |
870 | ret += 12; /* count_guest_us % */ | |
871 | } | |
872 | } | |
873 | ||
874 | if (symbol_conf.show_nr_samples) | |
875 | ret += 11; | |
876 | ||
877 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
878 | if (!se->elide) | |
879 | ret += 2 + hists__col_len(self, se->se_width_idx); | |
880 | ||
903cce6e ACM |
881 | if (verbose) /* Addr + origin */ |
882 | ret += 3 + BITS_PER_LONG / 4; | |
883 | ||
06daaaba ACM |
884 | return ret; |
885 | } | |
886 | ||
cc5edb0e ACM |
887 | static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h, |
888 | enum hist_filter filter) | |
889 | { | |
890 | h->filtered &= ~(1 << filter); | |
891 | if (h->filtered) | |
892 | return; | |
893 | ||
894 | ++self->nr_entries; | |
0f0cbf7a ACM |
895 | if (h->ms.unfolded) |
896 | self->nr_entries += h->nr_rows; | |
897 | h->row_offset = 0; | |
cc5edb0e ACM |
898 | self->stats.total_period += h->period; |
899 | self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events; | |
900 | ||
8a6c5b26 | 901 | hists__calc_col_len(self, h); |
cc5edb0e ACM |
902 | } |
903 | ||
b09e0190 ACM |
904 | void hists__filter_by_dso(struct hists *self, const struct dso *dso) |
905 | { | |
906 | struct rb_node *nd; | |
907 | ||
cee75ac7 | 908 | self->nr_entries = self->stats.total_period = 0; |
c82ee828 | 909 | self->stats.nr_events[PERF_RECORD_SAMPLE] = 0; |
8a6c5b26 | 910 | hists__reset_col_len(self); |
b09e0190 ACM |
911 | |
912 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { | |
913 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
914 | ||
915 | if (symbol_conf.exclude_other && !h->parent) | |
916 | continue; | |
917 | ||
918 | if (dso != NULL && (h->ms.map == NULL || h->ms.map->dso != dso)) { | |
919 | h->filtered |= (1 << HIST_FILTER__DSO); | |
920 | continue; | |
921 | } | |
922 | ||
cc5edb0e | 923 | hists__remove_entry_filter(self, h, HIST_FILTER__DSO); |
b09e0190 ACM |
924 | } |
925 | } | |
926 | ||
927 | void hists__filter_by_thread(struct hists *self, const struct thread *thread) | |
928 | { | |
929 | struct rb_node *nd; | |
930 | ||
cee75ac7 | 931 | self->nr_entries = self->stats.total_period = 0; |
c82ee828 | 932 | self->stats.nr_events[PERF_RECORD_SAMPLE] = 0; |
8a6c5b26 | 933 | hists__reset_col_len(self); |
b09e0190 ACM |
934 | |
935 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { | |
936 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
937 | ||
938 | if (thread != NULL && h->thread != thread) { | |
939 | h->filtered |= (1 << HIST_FILTER__THREAD); | |
940 | continue; | |
941 | } | |
cc5edb0e ACM |
942 | |
943 | hists__remove_entry_filter(self, h, HIST_FILTER__THREAD); | |
b09e0190 ACM |
944 | } |
945 | } | |
ef7b93a1 ACM |
946 | |
947 | static int symbol__alloc_hist(struct symbol *self) | |
948 | { | |
949 | struct sym_priv *priv = symbol__priv(self); | |
950 | const int size = (sizeof(*priv->hist) + | |
951 | (self->end - self->start) * sizeof(u64)); | |
952 | ||
953 | priv->hist = zalloc(size); | |
954 | return priv->hist == NULL ? -1 : 0; | |
955 | } | |
956 | ||
957 | int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip) | |
958 | { | |
959 | unsigned int sym_size, offset; | |
960 | struct symbol *sym = self->ms.sym; | |
961 | struct sym_priv *priv; | |
962 | struct sym_hist *h; | |
963 | ||
964 | if (!sym || !self->ms.map) | |
965 | return 0; | |
966 | ||
967 | priv = symbol__priv(sym); | |
968 | if (priv->hist == NULL && symbol__alloc_hist(sym) < 0) | |
969 | return -ENOMEM; | |
970 | ||
971 | sym_size = sym->end - sym->start; | |
972 | offset = ip - sym->start; | |
973 | ||
9486aa38 | 974 | pr_debug3("%s: ip=%#" PRIx64 "\n", __func__, self->ms.map->unmap_ip(self->ms.map, ip)); |
ef7b93a1 ACM |
975 | |
976 | if (offset >= sym_size) | |
977 | return 0; | |
978 | ||
979 | h = priv->hist; | |
980 | h->sum++; | |
981 | h->ip[offset]++; | |
982 | ||
9486aa38 ACM |
983 | pr_debug3("%#" PRIx64 " %s: period++ [ip: %#" PRIx64 ", %#" PRIx64 |
984 | "] => %" PRIu64 "\n", self->ms.sym->start, self->ms.sym->name, | |
985 | ip, ip - self->ms.sym->start, h->ip[offset]); | |
ef7b93a1 ACM |
986 | return 0; |
987 | } | |
988 | ||
92221162 | 989 | static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize) |
ef7b93a1 | 990 | { |
92221162 | 991 | struct objdump_line *self = malloc(sizeof(*self) + privsize); |
ef7b93a1 ACM |
992 | |
993 | if (self != NULL) { | |
994 | self->offset = offset; | |
995 | self->line = line; | |
996 | } | |
997 | ||
998 | return self; | |
999 | } | |
1000 | ||
1001 | void objdump_line__free(struct objdump_line *self) | |
1002 | { | |
1003 | free(self->line); | |
1004 | free(self); | |
1005 | } | |
1006 | ||
1007 | static void objdump__add_line(struct list_head *head, struct objdump_line *line) | |
1008 | { | |
1009 | list_add_tail(&line->node, head); | |
1010 | } | |
1011 | ||
1012 | struct objdump_line *objdump__get_next_ip_line(struct list_head *head, | |
1013 | struct objdump_line *pos) | |
1014 | { | |
1015 | list_for_each_entry_continue(pos, head, node) | |
1016 | if (pos->offset >= 0) | |
1017 | return pos; | |
1018 | ||
1019 | return NULL; | |
1020 | } | |
1021 | ||
1022 | static int hist_entry__parse_objdump_line(struct hist_entry *self, FILE *file, | |
92221162 | 1023 | struct list_head *head, size_t privsize) |
ef7b93a1 ACM |
1024 | { |
1025 | struct symbol *sym = self->ms.sym; | |
1026 | struct objdump_line *objdump_line; | |
1027 | char *line = NULL, *tmp, *tmp2, *c; | |
1028 | size_t line_len; | |
1029 | s64 line_ip, offset = -1; | |
1030 | ||
1031 | if (getline(&line, &line_len, file) < 0) | |
1032 | return -1; | |
1033 | ||
1034 | if (!line) | |
1035 | return -1; | |
1036 | ||
1037 | while (line_len != 0 && isspace(line[line_len - 1])) | |
1038 | line[--line_len] = '\0'; | |
1039 | ||
1040 | c = strchr(line, '\n'); | |
1041 | if (c) | |
1042 | *c = 0; | |
1043 | ||
1044 | line_ip = -1; | |
1045 | ||
1046 | /* | |
1047 | * Strip leading spaces: | |
1048 | */ | |
1049 | tmp = line; | |
1050 | while (*tmp) { | |
1051 | if (*tmp != ' ') | |
1052 | break; | |
1053 | tmp++; | |
1054 | } | |
1055 | ||
1056 | if (*tmp) { | |
1057 | /* | |
1058 | * Parse hexa addresses followed by ':' | |
1059 | */ | |
1060 | line_ip = strtoull(tmp, &tmp2, 16); | |
70a7cb3b | 1061 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') |
ef7b93a1 ACM |
1062 | line_ip = -1; |
1063 | } | |
1064 | ||
1065 | if (line_ip != -1) { | |
70a7cb3b ACM |
1066 | u64 start = map__rip_2objdump(self->ms.map, sym->start), |
1067 | end = map__rip_2objdump(self->ms.map, sym->end); | |
1068 | ||
ef7b93a1 | 1069 | offset = line_ip - start; |
70a7cb3b ACM |
1070 | if (offset < 0 || (u64)line_ip > end) |
1071 | offset = -1; | |
ef7b93a1 ACM |
1072 | } |
1073 | ||
92221162 | 1074 | objdump_line = objdump_line__new(offset, line, privsize); |
ef7b93a1 ACM |
1075 | if (objdump_line == NULL) { |
1076 | free(line); | |
1077 | return -1; | |
1078 | } | |
1079 | objdump__add_line(head, objdump_line); | |
1080 | ||
1081 | return 0; | |
1082 | } | |
1083 | ||
92221162 ACM |
1084 | int hist_entry__annotate(struct hist_entry *self, struct list_head *head, |
1085 | size_t privsize) | |
ef7b93a1 ACM |
1086 | { |
1087 | struct symbol *sym = self->ms.sym; | |
1088 | struct map *map = self->ms.map; | |
1089 | struct dso *dso = map->dso; | |
b36f19d5 | 1090 | char *filename = dso__build_id_filename(dso, NULL, 0); |
44bf4606 | 1091 | bool free_filename = true; |
ef7b93a1 ACM |
1092 | char command[PATH_MAX * 2]; |
1093 | FILE *file; | |
46e3e055 | 1094 | int err = 0; |
ef7b93a1 | 1095 | u64 len; |
ec5761ea DA |
1096 | char symfs_filename[PATH_MAX]; |
1097 | ||
1098 | if (filename) { | |
1099 | snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", | |
1100 | symbol_conf.symfs, filename); | |
1101 | } | |
ef7b93a1 | 1102 | |
b36f19d5 ACM |
1103 | if (filename == NULL) { |
1104 | if (dso->has_build_id) { | |
1105 | pr_err("Can't annotate %s: not enough memory\n", | |
1106 | sym->name); | |
46e3e055 | 1107 | return -ENOMEM; |
b36f19d5 | 1108 | } |
44bf4606 | 1109 | goto fallback; |
ec5761ea | 1110 | } else if (readlink(symfs_filename, command, sizeof(command)) < 0 || |
44bf4606 | 1111 | strstr(command, "[kernel.kallsyms]") || |
ec5761ea | 1112 | access(symfs_filename, R_OK)) { |
44bf4606 ACM |
1113 | free(filename); |
1114 | fallback: | |
b36f19d5 | 1115 | /* |
44bf4606 ACM |
1116 | * If we don't have build-ids or the build-id file isn't in the |
1117 | * cache, or is just a kallsyms file, well, lets hope that this | |
b36f19d5 ACM |
1118 | * DSO is the same as when 'perf record' ran. |
1119 | */ | |
1120 | filename = dso->long_name; | |
ec5761ea DA |
1121 | snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", |
1122 | symbol_conf.symfs, filename); | |
44bf4606 | 1123 | free_filename = false; |
b36f19d5 | 1124 | } |
ef7b93a1 ACM |
1125 | |
1126 | if (dso->origin == DSO__ORIG_KERNEL) { | |
46e3e055 | 1127 | if (dso->annotate_warned) |
b36f19d5 | 1128 | goto out_free_filename; |
46e3e055 | 1129 | err = -ENOENT; |
ef7b93a1 ACM |
1130 | dso->annotate_warned = 1; |
1131 | pr_err("Can't annotate %s: No vmlinux file was found in the " | |
46e3e055 | 1132 | "path\n", sym->name); |
b36f19d5 | 1133 | goto out_free_filename; |
ef7b93a1 ACM |
1134 | } |
1135 | ||
9486aa38 | 1136 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
ef7b93a1 ACM |
1137 | filename, sym->name, map->unmap_ip(map, sym->start), |
1138 | map->unmap_ip(map, sym->end)); | |
1139 | ||
1140 | len = sym->end - sym->start; | |
1141 | ||
1142 | pr_debug("annotating [%p] %30s : [%p] %30s\n", | |
1143 | dso, dso->long_name, sym, sym->name); | |
1144 | ||
1145 | snprintf(command, sizeof(command), | |
9486aa38 | 1146 | "objdump --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 " -dS -C %s|grep -v %s|expand", |
ef7b93a1 ACM |
1147 | map__rip_2objdump(map, sym->start), |
1148 | map__rip_2objdump(map, sym->end), | |
ec5761ea | 1149 | symfs_filename, filename); |
ef7b93a1 ACM |
1150 | |
1151 | pr_debug("Executing: %s\n", command); | |
1152 | ||
1153 | file = popen(command, "r"); | |
1154 | if (!file) | |
b36f19d5 | 1155 | goto out_free_filename; |
ef7b93a1 ACM |
1156 | |
1157 | while (!feof(file)) | |
92221162 | 1158 | if (hist_entry__parse_objdump_line(self, file, head, privsize) < 0) |
ef7b93a1 ACM |
1159 | break; |
1160 | ||
1161 | pclose(file); | |
b36f19d5 | 1162 | out_free_filename: |
44bf4606 | 1163 | if (free_filename) |
b36f19d5 ACM |
1164 | free(filename); |
1165 | return err; | |
ef7b93a1 | 1166 | } |
c8446b9b ACM |
1167 | |
1168 | void hists__inc_nr_events(struct hists *self, u32 type) | |
1169 | { | |
cee75ac7 ACM |
1170 | ++self->stats.nr_events[0]; |
1171 | ++self->stats.nr_events[type]; | |
c8446b9b ACM |
1172 | } |
1173 | ||
1174 | size_t hists__fprintf_nr_events(struct hists *self, FILE *fp) | |
1175 | { | |
1176 | int i; | |
1177 | size_t ret = 0; | |
1178 | ||
1179 | for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) { | |
3835bc00 TG |
1180 | const char *name = event__get_event_name(i); |
1181 | ||
1182 | if (!strcmp(name, "UNKNOWN")) | |
c8446b9b | 1183 | continue; |
3835bc00 TG |
1184 | |
1185 | ret += fprintf(fp, "%16s events: %10d\n", name, | |
1186 | self->stats.nr_events[i]); | |
c8446b9b ACM |
1187 | } |
1188 | ||
1189 | return ret; | |
1190 | } |