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Commit | Line | Data |
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bf9e1876 IM |
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 | */ | |
16f762a2 | 8 | #include "builtin.h" |
53cb8bc2 | 9 | |
bf9e1876 IM |
10 | #include "util/util.h" |
11 | ||
8fc0321f | 12 | #include "util/color.h" |
35a50c8a | 13 | #include "util/list.h" |
a930d2c0 | 14 | #include "util/cache.h" |
35a50c8a | 15 | #include "util/rbtree.h" |
a2928c42 | 16 | #include "util/symbol.h" |
a0055ae2 | 17 | #include "util/string.h" |
8fa66bdc | 18 | |
53cb8bc2 IM |
19 | #include "perf.h" |
20 | ||
21 | #include "util/parse-options.h" | |
22 | #include "util/parse-events.h" | |
23 | ||
8fa66bdc ACM |
24 | #define SHOW_KERNEL 1 |
25 | #define SHOW_USER 2 | |
26 | #define SHOW_HV 4 | |
27 | ||
23ac9cbe | 28 | static char const *input_name = "perf.data"; |
450aaa2b | 29 | static char *vmlinux = NULL; |
bd74137e IM |
30 | |
31 | static char default_sort_order[] = "comm,dso"; | |
32 | static char *sort_order = default_sort_order; | |
33 | ||
8fa66bdc ACM |
34 | static int input; |
35 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; | |
36 | ||
97b07b69 | 37 | static int dump_trace = 0; |
3502973d | 38 | #define dprintf(x...) do { if (dump_trace) printf(x); } while (0) |
3efa1cc9 | 39 | #define cdprintf(x...) do { if (dump_trace) color_fprintf(stdout, color, x); } while (0) |
3502973d | 40 | |
16f762a2 | 41 | static int verbose; |
7522060c IM |
42 | #define eprintf(x...) do { if (verbose) fprintf(stderr, x); } while (0) |
43 | ||
b78c07d4 | 44 | static int full_paths; |
97b07b69 | 45 | |
8fa66bdc ACM |
46 | static unsigned long page_size; |
47 | static unsigned long mmap_window = 32; | |
48 | ||
b8e6d829 IM |
49 | static char default_parent_pattern[] = "^sys_|^do_page_fault"; |
50 | static char *parent_pattern = default_parent_pattern; | |
b25bcf2f | 51 | static regex_t parent_regex; |
6e7d6fdc | 52 | |
b8e6d829 IM |
53 | static int exclude_other = 1; |
54 | ||
8fa66bdc ACM |
55 | struct ip_event { |
56 | struct perf_event_header header; | |
9cffa8d5 PM |
57 | u64 ip; |
58 | u32 pid, tid; | |
3efa1cc9 | 59 | unsigned char __more_data[]; |
8fa66bdc | 60 | }; |
75051724 | 61 | |
2a0a50fe | 62 | struct ip_callchain { |
9cffa8d5 PM |
63 | u64 nr; |
64 | u64 ips[0]; | |
2a0a50fe PZ |
65 | }; |
66 | ||
8fa66bdc ACM |
67 | struct mmap_event { |
68 | struct perf_event_header header; | |
9cffa8d5 PM |
69 | u32 pid, tid; |
70 | u64 start; | |
71 | u64 len; | |
72 | u64 pgoff; | |
8fa66bdc ACM |
73 | char filename[PATH_MAX]; |
74 | }; | |
75051724 | 75 | |
8fa66bdc ACM |
76 | struct comm_event { |
77 | struct perf_event_header header; | |
9cffa8d5 | 78 | u32 pid, tid; |
8fa66bdc ACM |
79 | char comm[16]; |
80 | }; | |
81 | ||
62fc4453 PZ |
82 | struct fork_event { |
83 | struct perf_event_header header; | |
9cffa8d5 | 84 | u32 pid, ppid; |
62fc4453 PZ |
85 | }; |
86 | ||
b2fef076 | 87 | struct period_event { |
8fa66bdc | 88 | struct perf_event_header header; |
9cffa8d5 PM |
89 | u64 time; |
90 | u64 id; | |
91 | u64 sample_period; | |
b2fef076 IM |
92 | }; |
93 | ||
9d91a6f7 PZ |
94 | struct lost_event { |
95 | struct perf_event_header header; | |
9cffa8d5 PM |
96 | u64 id; |
97 | u64 lost; | |
9d91a6f7 PZ |
98 | }; |
99 | ||
b2fef076 IM |
100 | typedef union event_union { |
101 | struct perf_event_header header; | |
102 | struct ip_event ip; | |
103 | struct mmap_event mmap; | |
104 | struct comm_event comm; | |
105 | struct fork_event fork; | |
106 | struct period_event period; | |
9d91a6f7 | 107 | struct lost_event lost; |
8fa66bdc ACM |
108 | } event_t; |
109 | ||
8fa66bdc ACM |
110 | static LIST_HEAD(dsos); |
111 | static struct dso *kernel_dso; | |
fc54db51 | 112 | static struct dso *vdso; |
8fa66bdc ACM |
113 | |
114 | static void dsos__add(struct dso *dso) | |
115 | { | |
116 | list_add_tail(&dso->node, &dsos); | |
117 | } | |
118 | ||
119 | static struct dso *dsos__find(const char *name) | |
120 | { | |
121 | struct dso *pos; | |
122 | ||
123 | list_for_each_entry(pos, &dsos, node) | |
124 | if (strcmp(pos->name, name) == 0) | |
125 | return pos; | |
126 | return NULL; | |
127 | } | |
128 | ||
129 | static struct dso *dsos__findnew(const char *name) | |
130 | { | |
131 | struct dso *dso = dsos__find(name); | |
b7a16eac | 132 | int nr; |
8fa66bdc | 133 | |
4593bba8 IM |
134 | if (dso) |
135 | return dso; | |
136 | ||
137 | dso = dso__new(name, 0); | |
138 | if (!dso) | |
139 | goto out_delete_dso; | |
8fa66bdc | 140 | |
bd74137e | 141 | nr = dso__load(dso, NULL, verbose); |
4593bba8 | 142 | if (nr < 0) { |
7522060c | 143 | eprintf("Failed to open: %s\n", name); |
4593bba8 | 144 | goto out_delete_dso; |
8fa66bdc | 145 | } |
7522060c IM |
146 | if (!nr) |
147 | eprintf("No symbols found in: %s, maybe install a debug package?\n", name); | |
4593bba8 IM |
148 | |
149 | dsos__add(dso); | |
8fa66bdc ACM |
150 | |
151 | return dso; | |
152 | ||
153 | out_delete_dso: | |
154 | dso__delete(dso); | |
155 | return NULL; | |
156 | } | |
157 | ||
16f762a2 | 158 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
159 | { |
160 | struct dso *pos; | |
161 | ||
162 | list_for_each_entry(pos, &dsos, node) | |
163 | dso__fprintf(pos, fp); | |
164 | } | |
165 | ||
9cffa8d5 | 166 | static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip) |
fc54db51 PZ |
167 | { |
168 | return dso__find_symbol(kernel_dso, ip); | |
169 | } | |
170 | ||
450aaa2b PZ |
171 | static int load_kernel(void) |
172 | { | |
a827c875 | 173 | int err; |
450aaa2b | 174 | |
0085c954 | 175 | kernel_dso = dso__new("[kernel]", 0); |
450aaa2b | 176 | if (!kernel_dso) |
a2928c42 | 177 | return -1; |
450aaa2b | 178 | |
bd74137e | 179 | err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); |
a2928c42 ACM |
180 | if (err) { |
181 | dso__delete(kernel_dso); | |
182 | kernel_dso = NULL; | |
183 | } else | |
184 | dsos__add(kernel_dso); | |
450aaa2b | 185 | |
fc54db51 PZ |
186 | vdso = dso__new("[vdso]", 0); |
187 | if (!vdso) | |
188 | return -1; | |
189 | ||
190 | vdso->find_symbol = vdso__find_symbol; | |
191 | ||
192 | dsos__add(vdso); | |
193 | ||
a2928c42 | 194 | return err; |
450aaa2b PZ |
195 | } |
196 | ||
d80d338d IM |
197 | static char __cwd[PATH_MAX]; |
198 | static char *cwd = __cwd; | |
199 | static int cwdlen; | |
200 | ||
201 | static int strcommon(const char *pathname) | |
b78c07d4 ACM |
202 | { |
203 | int n = 0; | |
204 | ||
205 | while (pathname[n] == cwd[n] && n < cwdlen) | |
206 | ++n; | |
207 | ||
208 | return n; | |
209 | } | |
210 | ||
8fa66bdc ACM |
211 | struct map { |
212 | struct list_head node; | |
9cffa8d5 PM |
213 | u64 start; |
214 | u64 end; | |
215 | u64 pgoff; | |
216 | u64 (*map_ip)(struct map *, u64); | |
8fa66bdc ACM |
217 | struct dso *dso; |
218 | }; | |
219 | ||
9cffa8d5 | 220 | static u64 map__map_ip(struct map *map, u64 ip) |
fc54db51 PZ |
221 | { |
222 | return ip - map->start + map->pgoff; | |
223 | } | |
224 | ||
9cffa8d5 | 225 | static u64 vdso__map_ip(struct map *map, u64 ip) |
fc54db51 PZ |
226 | { |
227 | return ip; | |
228 | } | |
229 | ||
80d496be PE |
230 | static inline int is_anon_memory(const char *filename) |
231 | { | |
232 | return strcmp(filename, "//anon") == 0; | |
233 | } | |
234 | ||
d80d338d | 235 | static struct map *map__new(struct mmap_event *event) |
8fa66bdc ACM |
236 | { |
237 | struct map *self = malloc(sizeof(*self)); | |
238 | ||
239 | if (self != NULL) { | |
b78c07d4 ACM |
240 | const char *filename = event->filename; |
241 | char newfilename[PATH_MAX]; | |
80d496be | 242 | int anon; |
b78c07d4 ACM |
243 | |
244 | if (cwd) { | |
d80d338d IM |
245 | int n = strcommon(filename); |
246 | ||
b78c07d4 ACM |
247 | if (n == cwdlen) { |
248 | snprintf(newfilename, sizeof(newfilename), | |
249 | ".%s", filename + n); | |
250 | filename = newfilename; | |
251 | } | |
252 | } | |
253 | ||
80d496be PE |
254 | anon = is_anon_memory(filename); |
255 | ||
256 | if (anon) { | |
257 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid); | |
258 | filename = newfilename; | |
259 | } | |
260 | ||
8fa66bdc ACM |
261 | self->start = event->start; |
262 | self->end = event->start + event->len; | |
263 | self->pgoff = event->pgoff; | |
264 | ||
b78c07d4 | 265 | self->dso = dsos__findnew(filename); |
8fa66bdc ACM |
266 | if (self->dso == NULL) |
267 | goto out_delete; | |
fc54db51 | 268 | |
80d496be | 269 | if (self->dso == vdso || anon) |
fc54db51 PZ |
270 | self->map_ip = vdso__map_ip; |
271 | else | |
272 | self->map_ip = map__map_ip; | |
8fa66bdc ACM |
273 | } |
274 | return self; | |
275 | out_delete: | |
276 | free(self); | |
277 | return NULL; | |
278 | } | |
279 | ||
62fc4453 PZ |
280 | static struct map *map__clone(struct map *self) |
281 | { | |
282 | struct map *map = malloc(sizeof(*self)); | |
283 | ||
284 | if (!map) | |
285 | return NULL; | |
286 | ||
287 | memcpy(map, self, sizeof(*self)); | |
288 | ||
289 | return map; | |
290 | } | |
291 | ||
292 | static int map__overlap(struct map *l, struct map *r) | |
293 | { | |
294 | if (l->start > r->start) { | |
295 | struct map *t = l; | |
296 | l = r; | |
297 | r = t; | |
298 | } | |
299 | ||
300 | if (l->end > r->start) | |
301 | return 1; | |
302 | ||
303 | return 0; | |
304 | } | |
3a4b8cc7 | 305 | |
9ac99545 ACM |
306 | static size_t map__fprintf(struct map *self, FILE *fp) |
307 | { | |
729ff5e2 | 308 | return fprintf(fp, " %Lx-%Lx %Lx %s\n", |
9ac99545 ACM |
309 | self->start, self->end, self->pgoff, self->dso->name); |
310 | } | |
311 | ||
312 | ||
8fa66bdc | 313 | struct thread { |
ce7e4365 | 314 | struct rb_node rb_node; |
8fa66bdc | 315 | struct list_head maps; |
8fa66bdc ACM |
316 | pid_t pid; |
317 | char *comm; | |
318 | }; | |
319 | ||
320 | static struct thread *thread__new(pid_t pid) | |
321 | { | |
322 | struct thread *self = malloc(sizeof(*self)); | |
323 | ||
324 | if (self != NULL) { | |
325 | self->pid = pid; | |
8229289b | 326 | self->comm = malloc(32); |
0a520c63 | 327 | if (self->comm) |
8229289b | 328 | snprintf(self->comm, 32, ":%d", self->pid); |
8fa66bdc | 329 | INIT_LIST_HEAD(&self->maps); |
8fa66bdc ACM |
330 | } |
331 | ||
332 | return self; | |
333 | } | |
334 | ||
8fa66bdc ACM |
335 | static int thread__set_comm(struct thread *self, const char *comm) |
336 | { | |
8229289b PZ |
337 | if (self->comm) |
338 | free(self->comm); | |
8fa66bdc ACM |
339 | self->comm = strdup(comm); |
340 | return self->comm ? 0 : -ENOMEM; | |
341 | } | |
342 | ||
9ac99545 ACM |
343 | static size_t thread__fprintf(struct thread *self, FILE *fp) |
344 | { | |
345 | struct map *pos; | |
346 | size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); | |
347 | ||
348 | list_for_each_entry(pos, &self->maps, node) | |
349 | ret += map__fprintf(pos, fp); | |
350 | ||
351 | return ret; | |
352 | } | |
353 | ||
354 | ||
16f762a2 | 355 | static struct rb_root threads; |
eed4dcd4 | 356 | static struct thread *last_match; |
8fa66bdc | 357 | |
ce7e4365 | 358 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 359 | { |
ce7e4365 ACM |
360 | struct rb_node **p = &threads.rb_node; |
361 | struct rb_node *parent = NULL; | |
362 | struct thread *th; | |
8fa66bdc | 363 | |
eed4dcd4 IM |
364 | /* |
365 | * Font-end cache - PID lookups come in blocks, | |
366 | * so most of the time we dont have to look up | |
367 | * the full rbtree: | |
368 | */ | |
369 | if (last_match && last_match->pid == pid) | |
370 | return last_match; | |
371 | ||
ce7e4365 ACM |
372 | while (*p != NULL) { |
373 | parent = *p; | |
374 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 375 | |
eed4dcd4 IM |
376 | if (th->pid == pid) { |
377 | last_match = th; | |
ce7e4365 | 378 | return th; |
eed4dcd4 | 379 | } |
8fa66bdc | 380 | |
ce7e4365 ACM |
381 | if (pid < th->pid) |
382 | p = &(*p)->rb_left; | |
383 | else | |
384 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
385 | } |
386 | ||
ce7e4365 ACM |
387 | th = thread__new(pid); |
388 | if (th != NULL) { | |
389 | rb_link_node(&th->rb_node, parent, p); | |
390 | rb_insert_color(&th->rb_node, &threads); | |
eed4dcd4 | 391 | last_match = th; |
ce7e4365 | 392 | } |
eed4dcd4 | 393 | |
ce7e4365 | 394 | return th; |
8fa66bdc ACM |
395 | } |
396 | ||
397 | static void thread__insert_map(struct thread *self, struct map *map) | |
398 | { | |
62fc4453 PZ |
399 | struct map *pos, *tmp; |
400 | ||
401 | list_for_each_entry_safe(pos, tmp, &self->maps, node) { | |
402 | if (map__overlap(pos, map)) { | |
3d906ef1 PZ |
403 | if (verbose >= 2) { |
404 | printf("overlapping maps:\n"); | |
405 | map__fprintf(map, stdout); | |
406 | map__fprintf(pos, stdout); | |
407 | } | |
408 | ||
409 | if (map->start <= pos->start && map->end > pos->start) | |
410 | pos->start = map->end; | |
411 | ||
412 | if (map->end >= pos->end && map->start < pos->end) | |
413 | pos->end = map->start; | |
414 | ||
415 | if (verbose >= 2) { | |
416 | printf("after collision:\n"); | |
417 | map__fprintf(pos, stdout); | |
418 | } | |
419 | ||
420 | if (pos->start >= pos->end) { | |
421 | list_del_init(&pos->node); | |
422 | free(pos); | |
423 | } | |
62fc4453 PZ |
424 | } |
425 | } | |
426 | ||
8fa66bdc ACM |
427 | list_add_tail(&map->node, &self->maps); |
428 | } | |
429 | ||
62fc4453 PZ |
430 | static int thread__fork(struct thread *self, struct thread *parent) |
431 | { | |
432 | struct map *map; | |
433 | ||
434 | if (self->comm) | |
435 | free(self->comm); | |
436 | self->comm = strdup(parent->comm); | |
437 | if (!self->comm) | |
438 | return -ENOMEM; | |
439 | ||
440 | list_for_each_entry(map, &parent->maps, node) { | |
441 | struct map *new = map__clone(map); | |
442 | if (!new) | |
443 | return -ENOMEM; | |
444 | thread__insert_map(self, new); | |
445 | } | |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
9cffa8d5 | 450 | static struct map *thread__find_map(struct thread *self, u64 ip) |
8fa66bdc | 451 | { |
16f762a2 IM |
452 | struct map *pos; |
453 | ||
8fa66bdc ACM |
454 | if (self == NULL) |
455 | return NULL; | |
456 | ||
8fa66bdc ACM |
457 | list_for_each_entry(pos, &self->maps, node) |
458 | if (ip >= pos->start && ip <= pos->end) | |
459 | return pos; | |
460 | ||
461 | return NULL; | |
462 | } | |
463 | ||
9ac99545 ACM |
464 | static size_t threads__fprintf(FILE *fp) |
465 | { | |
466 | size_t ret = 0; | |
467 | struct rb_node *nd; | |
468 | ||
469 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
470 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
471 | ||
472 | ret += thread__fprintf(pos, fp); | |
473 | } | |
474 | ||
475 | return ret; | |
476 | } | |
477 | ||
e7fb08b1 PZ |
478 | /* |
479 | * histogram, sorted on item, collects counts | |
480 | */ | |
481 | ||
482 | static struct rb_root hist; | |
483 | ||
484 | struct hist_entry { | |
485 | struct rb_node rb_node; | |
486 | ||
487 | struct thread *thread; | |
488 | struct map *map; | |
489 | struct dso *dso; | |
490 | struct symbol *sym; | |
b25bcf2f | 491 | struct symbol *parent; |
9cffa8d5 | 492 | u64 ip; |
e7fb08b1 PZ |
493 | char level; |
494 | ||
9cffa8d5 | 495 | u64 count; |
e7fb08b1 PZ |
496 | }; |
497 | ||
1aa16738 PZ |
498 | /* |
499 | * configurable sorting bits | |
500 | */ | |
501 | ||
502 | struct sort_entry { | |
503 | struct list_head list; | |
504 | ||
ca8cdeef PZ |
505 | char *header; |
506 | ||
1aa16738 | 507 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 508 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
1aa16738 PZ |
509 | size_t (*print)(FILE *fp, struct hist_entry *); |
510 | }; | |
511 | ||
6e7d6fdc PZ |
512 | static int64_t cmp_null(void *l, void *r) |
513 | { | |
514 | if (!l && !r) | |
515 | return 0; | |
516 | else if (!l) | |
517 | return -1; | |
518 | else | |
519 | return 1; | |
520 | } | |
521 | ||
8229289b PZ |
522 | /* --sort pid */ |
523 | ||
e7fb08b1 | 524 | static int64_t |
1aa16738 | 525 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 526 | { |
1aa16738 PZ |
527 | return right->thread->pid - left->thread->pid; |
528 | } | |
529 | ||
530 | static size_t | |
531 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
532 | { | |
71dd8945 | 533 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 534 | } |
e7fb08b1 | 535 | |
1aa16738 | 536 | static struct sort_entry sort_thread = { |
71dd8945 | 537 | .header = " Command: Pid", |
1aa16738 PZ |
538 | .cmp = sort__thread_cmp, |
539 | .print = sort__thread_print, | |
540 | }; | |
541 | ||
8229289b PZ |
542 | /* --sort comm */ |
543 | ||
992444b1 PZ |
544 | static int64_t |
545 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
546 | { |
547 | return right->thread->pid - left->thread->pid; | |
548 | } | |
549 | ||
550 | static int64_t | |
551 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
552 | { |
553 | char *comm_l = left->thread->comm; | |
554 | char *comm_r = right->thread->comm; | |
555 | ||
6e7d6fdc PZ |
556 | if (!comm_l || !comm_r) |
557 | return cmp_null(comm_l, comm_r); | |
992444b1 PZ |
558 | |
559 | return strcmp(comm_l, comm_r); | |
560 | } | |
561 | ||
562 | static size_t | |
563 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
564 | { | |
71dd8945 | 565 | return fprintf(fp, "%16s", self->thread->comm); |
992444b1 PZ |
566 | } |
567 | ||
568 | static struct sort_entry sort_comm = { | |
8edd4286 | 569 | .header = " Command", |
8229289b PZ |
570 | .cmp = sort__comm_cmp, |
571 | .collapse = sort__comm_collapse, | |
572 | .print = sort__comm_print, | |
992444b1 PZ |
573 | }; |
574 | ||
8229289b PZ |
575 | /* --sort dso */ |
576 | ||
55e5ec41 PZ |
577 | static int64_t |
578 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
579 | { | |
580 | struct dso *dso_l = left->dso; | |
581 | struct dso *dso_r = right->dso; | |
582 | ||
6e7d6fdc PZ |
583 | if (!dso_l || !dso_r) |
584 | return cmp_null(dso_l, dso_r); | |
55e5ec41 PZ |
585 | |
586 | return strcmp(dso_l->name, dso_r->name); | |
587 | } | |
588 | ||
589 | static size_t | |
590 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
591 | { | |
0a520c63 | 592 | if (self->dso) |
71dd8945 | 593 | return fprintf(fp, "%-25s", self->dso->name); |
0a520c63 | 594 | |
9cffa8d5 | 595 | return fprintf(fp, "%016llx ", (u64)self->ip); |
55e5ec41 PZ |
596 | } |
597 | ||
598 | static struct sort_entry sort_dso = { | |
71dd8945 | 599 | .header = "Shared Object ", |
55e5ec41 PZ |
600 | .cmp = sort__dso_cmp, |
601 | .print = sort__dso_print, | |
602 | }; | |
603 | ||
8229289b PZ |
604 | /* --sort symbol */ |
605 | ||
1aa16738 PZ |
606 | static int64_t |
607 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
608 | { | |
9cffa8d5 | 609 | u64 ip_l, ip_r; |
e7fb08b1 PZ |
610 | |
611 | if (left->sym == right->sym) | |
612 | return 0; | |
613 | ||
614 | ip_l = left->sym ? left->sym->start : left->ip; | |
615 | ip_r = right->sym ? right->sym->start : right->ip; | |
616 | ||
617 | return (int64_t)(ip_r - ip_l); | |
618 | } | |
619 | ||
1aa16738 PZ |
620 | static size_t |
621 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
622 | { | |
623 | size_t ret = 0; | |
624 | ||
1aa16738 | 625 | if (verbose) |
9cffa8d5 | 626 | ret += fprintf(fp, "%#018llx ", (u64)self->ip); |
0a520c63 | 627 | |
8edd4286 IM |
628 | if (self->sym) { |
629 | ret += fprintf(fp, "[%c] %s", | |
630 | self->dso == kernel_dso ? 'k' : '.', self->sym->name); | |
631 | } else { | |
9cffa8d5 | 632 | ret += fprintf(fp, "%#016llx", (u64)self->ip); |
8edd4286 | 633 | } |
1aa16738 PZ |
634 | |
635 | return ret; | |
636 | } | |
637 | ||
638 | static struct sort_entry sort_sym = { | |
71dd8945 | 639 | .header = "Symbol", |
ca8cdeef PZ |
640 | .cmp = sort__sym_cmp, |
641 | .print = sort__sym_print, | |
1aa16738 PZ |
642 | }; |
643 | ||
b25bcf2f | 644 | /* --sort parent */ |
6e7d6fdc PZ |
645 | |
646 | static int64_t | |
b25bcf2f | 647 | sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) |
6e7d6fdc | 648 | { |
b25bcf2f IM |
649 | struct symbol *sym_l = left->parent; |
650 | struct symbol *sym_r = right->parent; | |
6e7d6fdc PZ |
651 | |
652 | if (!sym_l || !sym_r) | |
653 | return cmp_null(sym_l, sym_r); | |
654 | ||
655 | return strcmp(sym_l->name, sym_r->name); | |
656 | } | |
657 | ||
658 | static size_t | |
b25bcf2f | 659 | sort__parent_print(FILE *fp, struct hist_entry *self) |
6e7d6fdc PZ |
660 | { |
661 | size_t ret = 0; | |
662 | ||
b25bcf2f | 663 | ret += fprintf(fp, "%-20s", self->parent ? self->parent->name : "[other]"); |
6e7d6fdc PZ |
664 | |
665 | return ret; | |
666 | } | |
667 | ||
b25bcf2f IM |
668 | static struct sort_entry sort_parent = { |
669 | .header = "Parent symbol ", | |
670 | .cmp = sort__parent_cmp, | |
671 | .print = sort__parent_print, | |
6e7d6fdc PZ |
672 | }; |
673 | ||
8229289b | 674 | static int sort__need_collapse = 0; |
b25bcf2f | 675 | static int sort__has_parent = 0; |
8229289b | 676 | |
37f440cb | 677 | struct sort_dimension { |
8edd4286 IM |
678 | char *name; |
679 | struct sort_entry *entry; | |
680 | int taken; | |
37f440cb PZ |
681 | }; |
682 | ||
683 | static struct sort_dimension sort_dimensions[] = { | |
684 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 685 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 686 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb | 687 | { .name = "symbol", .entry = &sort_sym, }, |
b25bcf2f | 688 | { .name = "parent", .entry = &sort_parent, }, |
37f440cb PZ |
689 | }; |
690 | ||
1aa16738 PZ |
691 | static LIST_HEAD(hist_entry__sort_list); |
692 | ||
37f440cb PZ |
693 | static int sort_dimension__add(char *tok) |
694 | { | |
695 | int i; | |
696 | ||
697 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
698 | struct sort_dimension *sd = &sort_dimensions[i]; | |
699 | ||
700 | if (sd->taken) | |
701 | continue; | |
702 | ||
5352f35d | 703 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
704 | continue; |
705 | ||
8229289b PZ |
706 | if (sd->entry->collapse) |
707 | sort__need_collapse = 1; | |
708 | ||
b25bcf2f IM |
709 | if (sd->entry == &sort_parent) { |
710 | int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); | |
6e7d6fdc PZ |
711 | if (ret) { |
712 | char err[BUFSIZ]; | |
713 | ||
b25bcf2f IM |
714 | regerror(ret, &parent_regex, err, sizeof(err)); |
715 | fprintf(stderr, "Invalid regex: %s\n%s", | |
716 | parent_pattern, err); | |
6e7d6fdc PZ |
717 | exit(-1); |
718 | } | |
b25bcf2f | 719 | sort__has_parent = 1; |
6e7d6fdc PZ |
720 | } |
721 | ||
37f440cb PZ |
722 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
723 | sd->taken = 1; | |
5352f35d | 724 | |
37f440cb PZ |
725 | return 0; |
726 | } | |
727 | ||
728 | return -ESRCH; | |
729 | } | |
730 | ||
1aa16738 PZ |
731 | static int64_t |
732 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
733 | { | |
734 | struct sort_entry *se; | |
735 | int64_t cmp = 0; | |
736 | ||
737 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
738 | cmp = se->cmp(left, right); | |
739 | if (cmp) | |
740 | break; | |
741 | } | |
742 | ||
743 | return cmp; | |
744 | } | |
745 | ||
8229289b PZ |
746 | static int64_t |
747 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
748 | { | |
749 | struct sort_entry *se; | |
750 | int64_t cmp = 0; | |
751 | ||
752 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
753 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
754 | ||
755 | f = se->collapse ?: se->cmp; | |
756 | ||
757 | cmp = f(left, right); | |
758 | if (cmp) | |
759 | break; | |
760 | } | |
761 | ||
762 | return cmp; | |
763 | } | |
764 | ||
1aa16738 | 765 | static size_t |
9cffa8d5 | 766 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) |
1aa16738 PZ |
767 | { |
768 | struct sort_entry *se; | |
769 | size_t ret; | |
770 | ||
b8e6d829 IM |
771 | if (exclude_other && !self->parent) |
772 | return 0; | |
773 | ||
1aa16738 | 774 | if (total_samples) { |
8fc0321f IM |
775 | double percent = self->count * 100.0 / total_samples; |
776 | char *color = PERF_COLOR_NORMAL; | |
777 | ||
778 | /* | |
aefcf37b IM |
779 | * We color high-overhead entries in red, mid-overhead |
780 | * entries in green - and keep the low overhead places | |
781 | * normal: | |
8fc0321f | 782 | */ |
aefcf37b | 783 | if (percent >= 5.0) { |
8fc0321f | 784 | color = PERF_COLOR_RED; |
aefcf37b IM |
785 | } else { |
786 | if (percent >= 0.5) | |
787 | color = PERF_COLOR_GREEN; | |
788 | } | |
8fc0321f IM |
789 | |
790 | ret = color_fprintf(fp, color, " %6.2f%%", | |
1aa16738 PZ |
791 | (self->count * 100.0) / total_samples); |
792 | } else | |
729ff5e2 | 793 | ret = fprintf(fp, "%12Ld ", self->count); |
1aa16738 | 794 | |
71dd8945 | 795 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
b8e6d829 IM |
796 | if (exclude_other && (se == &sort_parent)) |
797 | continue; | |
798 | ||
71dd8945 | 799 | fprintf(fp, " "); |
1aa16738 | 800 | ret += se->print(fp, self); |
71dd8945 | 801 | } |
1aa16738 PZ |
802 | |
803 | ret += fprintf(fp, "\n"); | |
804 | ||
805 | return ret; | |
806 | } | |
807 | ||
6e7d6fdc PZ |
808 | /* |
809 | * | |
810 | */ | |
811 | ||
812 | static struct symbol * | |
813 | resolve_symbol(struct thread *thread, struct map **mapp, | |
9cffa8d5 | 814 | struct dso **dsop, u64 *ipp) |
6e7d6fdc PZ |
815 | { |
816 | struct dso *dso = dsop ? *dsop : NULL; | |
817 | struct map *map = mapp ? *mapp : NULL; | |
520f2c34 | 818 | u64 ip = *ipp; |
6e7d6fdc PZ |
819 | |
820 | if (!thread) | |
821 | return NULL; | |
822 | ||
823 | if (dso) | |
824 | goto got_dso; | |
825 | ||
826 | if (map) | |
827 | goto got_map; | |
828 | ||
829 | map = thread__find_map(thread, ip); | |
830 | if (map != NULL) { | |
831 | if (mapp) | |
832 | *mapp = map; | |
833 | got_map: | |
834 | ip = map->map_ip(map, ip); | |
6e7d6fdc PZ |
835 | |
836 | dso = map->dso; | |
837 | } else { | |
838 | /* | |
839 | * If this is outside of all known maps, | |
840 | * and is a negative address, try to look it | |
841 | * up in the kernel dso, as it might be a | |
842 | * vsyscall (which executes in user-mode): | |
843 | */ | |
844 | if ((long long)ip < 0) | |
845 | dso = kernel_dso; | |
846 | } | |
847 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); | |
520f2c34 PZ |
848 | dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip); |
849 | *ipp = ip; | |
6e7d6fdc PZ |
850 | |
851 | if (dsop) | |
852 | *dsop = dso; | |
853 | ||
854 | if (!dso) | |
855 | return NULL; | |
856 | got_dso: | |
857 | return dso->find_symbol(dso, ip); | |
858 | } | |
859 | ||
2a0a50fe | 860 | static int call__match(struct symbol *sym) |
6e7d6fdc | 861 | { |
b25bcf2f | 862 | if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) |
2a0a50fe | 863 | return 1; |
6e7d6fdc | 864 | |
2a0a50fe | 865 | return 0; |
6e7d6fdc PZ |
866 | } |
867 | ||
1aa16738 PZ |
868 | /* |
869 | * collect histogram counts | |
870 | */ | |
871 | ||
e7fb08b1 PZ |
872 | static int |
873 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
9cffa8d5 PM |
874 | struct symbol *sym, u64 ip, struct ip_callchain *chain, |
875 | char level, u64 count) | |
8fa66bdc | 876 | { |
e7fb08b1 PZ |
877 | struct rb_node **p = &hist.rb_node; |
878 | struct rb_node *parent = NULL; | |
879 | struct hist_entry *he; | |
880 | struct hist_entry entry = { | |
881 | .thread = thread, | |
882 | .map = map, | |
883 | .dso = dso, | |
884 | .sym = sym, | |
885 | .ip = ip, | |
886 | .level = level, | |
ea1900e5 | 887 | .count = count, |
b8e6d829 | 888 | .parent = NULL, |
e7fb08b1 PZ |
889 | }; |
890 | int cmp; | |
891 | ||
b25bcf2f | 892 | if (sort__has_parent && chain) { |
9cffa8d5 | 893 | u64 context = PERF_CONTEXT_MAX; |
2a0a50fe PZ |
894 | int i; |
895 | ||
896 | for (i = 0; i < chain->nr; i++) { | |
9cffa8d5 | 897 | u64 ip = chain->ips[i]; |
2a0a50fe PZ |
898 | struct dso *dso = NULL; |
899 | struct symbol *sym; | |
900 | ||
901 | if (ip >= PERF_CONTEXT_MAX) { | |
902 | context = ip; | |
903 | continue; | |
904 | } | |
905 | ||
906 | switch (context) { | |
907 | case PERF_CONTEXT_KERNEL: | |
908 | dso = kernel_dso; | |
909 | break; | |
910 | default: | |
911 | break; | |
912 | } | |
913 | ||
6e7d6fdc | 914 | sym = resolve_symbol(thread, NULL, &dso, &ip); |
2a0a50fe PZ |
915 | |
916 | if (sym && call__match(sym)) { | |
917 | entry.parent = sym; | |
918 | break; | |
919 | } | |
6e7d6fdc | 920 | } |
6e7d6fdc | 921 | } |
6e7d6fdc | 922 | |
e7fb08b1 PZ |
923 | while (*p != NULL) { |
924 | parent = *p; | |
925 | he = rb_entry(parent, struct hist_entry, rb_node); | |
926 | ||
927 | cmp = hist_entry__cmp(&entry, he); | |
928 | ||
929 | if (!cmp) { | |
ea1900e5 | 930 | he->count += count; |
e7fb08b1 PZ |
931 | return 0; |
932 | } | |
933 | ||
934 | if (cmp < 0) | |
935 | p = &(*p)->rb_left; | |
936 | else | |
937 | p = &(*p)->rb_right; | |
ce7e4365 | 938 | } |
e7fb08b1 PZ |
939 | |
940 | he = malloc(sizeof(*he)); | |
941 | if (!he) | |
942 | return -ENOMEM; | |
943 | *he = entry; | |
944 | rb_link_node(&he->rb_node, parent, p); | |
945 | rb_insert_color(&he->rb_node, &hist); | |
946 | ||
947 | return 0; | |
8fa66bdc ACM |
948 | } |
949 | ||
8229289b PZ |
950 | static void hist_entry__free(struct hist_entry *he) |
951 | { | |
952 | free(he); | |
953 | } | |
954 | ||
955 | /* | |
956 | * collapse the histogram | |
957 | */ | |
958 | ||
959 | static struct rb_root collapse_hists; | |
960 | ||
961 | static void collapse__insert_entry(struct hist_entry *he) | |
962 | { | |
963 | struct rb_node **p = &collapse_hists.rb_node; | |
964 | struct rb_node *parent = NULL; | |
965 | struct hist_entry *iter; | |
966 | int64_t cmp; | |
967 | ||
968 | while (*p != NULL) { | |
969 | parent = *p; | |
970 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
971 | ||
972 | cmp = hist_entry__collapse(iter, he); | |
973 | ||
974 | if (!cmp) { | |
975 | iter->count += he->count; | |
976 | hist_entry__free(he); | |
977 | return; | |
978 | } | |
979 | ||
980 | if (cmp < 0) | |
981 | p = &(*p)->rb_left; | |
982 | else | |
983 | p = &(*p)->rb_right; | |
984 | } | |
985 | ||
986 | rb_link_node(&he->rb_node, parent, p); | |
987 | rb_insert_color(&he->rb_node, &collapse_hists); | |
988 | } | |
989 | ||
990 | static void collapse__resort(void) | |
991 | { | |
992 | struct rb_node *next; | |
993 | struct hist_entry *n; | |
994 | ||
995 | if (!sort__need_collapse) | |
996 | return; | |
997 | ||
998 | next = rb_first(&hist); | |
999 | while (next) { | |
1000 | n = rb_entry(next, struct hist_entry, rb_node); | |
1001 | next = rb_next(&n->rb_node); | |
1002 | ||
1003 | rb_erase(&n->rb_node, &hist); | |
1004 | collapse__insert_entry(n); | |
1005 | } | |
1006 | } | |
1007 | ||
e7fb08b1 PZ |
1008 | /* |
1009 | * reverse the map, sort on count. | |
1010 | */ | |
1011 | ||
1012 | static struct rb_root output_hists; | |
1013 | ||
1014 | static void output__insert_entry(struct hist_entry *he) | |
3a4b8cc7 | 1015 | { |
e7fb08b1 | 1016 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 1017 | struct rb_node *parent = NULL; |
e7fb08b1 | 1018 | struct hist_entry *iter; |
3a4b8cc7 ACM |
1019 | |
1020 | while (*p != NULL) { | |
1021 | parent = *p; | |
e7fb08b1 | 1022 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 1023 | |
e7fb08b1 | 1024 | if (he->count > iter->count) |
3a4b8cc7 ACM |
1025 | p = &(*p)->rb_left; |
1026 | else | |
1027 | p = &(*p)->rb_right; | |
1028 | } | |
1029 | ||
e7fb08b1 PZ |
1030 | rb_link_node(&he->rb_node, parent, p); |
1031 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
1032 | } |
1033 | ||
e7fb08b1 | 1034 | static void output__resort(void) |
3a4b8cc7 | 1035 | { |
8229289b | 1036 | struct rb_node *next; |
e7fb08b1 | 1037 | struct hist_entry *n; |
a4c43bea | 1038 | struct rb_root *tree = &hist; |
3a4b8cc7 | 1039 | |
8229289b | 1040 | if (sort__need_collapse) |
a4c43bea ACM |
1041 | tree = &collapse_hists; |
1042 | ||
1043 | next = rb_first(tree); | |
8229289b | 1044 | |
e7fb08b1 PZ |
1045 | while (next) { |
1046 | n = rb_entry(next, struct hist_entry, rb_node); | |
1047 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 1048 | |
a4c43bea | 1049 | rb_erase(&n->rb_node, tree); |
e7fb08b1 | 1050 | output__insert_entry(n); |
3a4b8cc7 ACM |
1051 | } |
1052 | } | |
1053 | ||
9cffa8d5 | 1054 | static size_t output__fprintf(FILE *fp, u64 total_samples) |
3a4b8cc7 | 1055 | { |
e7fb08b1 | 1056 | struct hist_entry *pos; |
2d65537e | 1057 | struct sort_entry *se; |
3a4b8cc7 ACM |
1058 | struct rb_node *nd; |
1059 | size_t ret = 0; | |
1060 | ||
71dd8945 | 1061 | fprintf(fp, "\n"); |
05ca061e | 1062 | fprintf(fp, "#\n"); |
9cffa8d5 | 1063 | fprintf(fp, "# (%Ld samples)\n", (u64)total_samples); |
ca8cdeef PZ |
1064 | fprintf(fp, "#\n"); |
1065 | ||
1066 | fprintf(fp, "# Overhead"); | |
b8e6d829 IM |
1067 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
1068 | if (exclude_other && (se == &sort_parent)) | |
1069 | continue; | |
71dd8945 | 1070 | fprintf(fp, " %s", se->header); |
b8e6d829 | 1071 | } |
ca8cdeef PZ |
1072 | fprintf(fp, "\n"); |
1073 | ||
1074 | fprintf(fp, "# ........"); | |
2d65537e | 1075 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
ca8cdeef PZ |
1076 | int i; |
1077 | ||
b8e6d829 IM |
1078 | if (exclude_other && (se == &sort_parent)) |
1079 | continue; | |
1080 | ||
4593bba8 | 1081 | fprintf(fp, " "); |
71dd8945 | 1082 | for (i = 0; i < strlen(se->header); i++) |
ca8cdeef | 1083 | fprintf(fp, "."); |
2d65537e | 1084 | } |
ca8cdeef PZ |
1085 | fprintf(fp, "\n"); |
1086 | ||
1087 | fprintf(fp, "#\n"); | |
2d65537e | 1088 | |
e7fb08b1 PZ |
1089 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
1090 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
1091 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
1092 | } |
1093 | ||
b8e6d829 IM |
1094 | if (sort_order == default_sort_order && |
1095 | parent_pattern == default_parent_pattern) { | |
bd74137e | 1096 | fprintf(fp, "#\n"); |
71dd8945 | 1097 | fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); |
bd74137e IM |
1098 | fprintf(fp, "#\n"); |
1099 | } | |
71dd8945 | 1100 | fprintf(fp, "\n"); |
bd74137e | 1101 | |
3a4b8cc7 ACM |
1102 | return ret; |
1103 | } | |
1104 | ||
436224a6 PZ |
1105 | static void register_idle_thread(void) |
1106 | { | |
1107 | struct thread *thread = threads__findnew(0); | |
1108 | ||
1109 | if (thread == NULL || | |
1110 | thread__set_comm(thread, "[idle]")) { | |
1111 | fprintf(stderr, "problem inserting idle task.\n"); | |
1112 | exit(-1); | |
1113 | } | |
1114 | } | |
1115 | ||
62fc4453 PZ |
1116 | static unsigned long total = 0, |
1117 | total_mmap = 0, | |
1118 | total_comm = 0, | |
1119 | total_fork = 0, | |
9d91a6f7 PZ |
1120 | total_unknown = 0, |
1121 | total_lost = 0; | |
e7fb08b1 | 1122 | |
2a0a50fe | 1123 | static int validate_chain(struct ip_callchain *chain, event_t *event) |
7522060c IM |
1124 | { |
1125 | unsigned int chain_size; | |
1126 | ||
7522060c IM |
1127 | chain_size = event->header.size; |
1128 | chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event; | |
1129 | ||
9cffa8d5 | 1130 | if (chain->nr*sizeof(u64) > chain_size) |
7522060c IM |
1131 | return -1; |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
d80d338d | 1136 | static int |
75051724 IM |
1137 | process_overflow_event(event_t *event, unsigned long offset, unsigned long head) |
1138 | { | |
1139 | char level; | |
1140 | int show = 0; | |
1141 | struct dso *dso = NULL; | |
1142 | struct thread *thread = threads__findnew(event->ip.pid); | |
9cffa8d5 PM |
1143 | u64 ip = event->ip.ip; |
1144 | u64 period = 1; | |
75051724 | 1145 | struct map *map = NULL; |
3efa1cc9 | 1146 | void *more_data = event->ip.__more_data; |
2a0a50fe | 1147 | struct ip_callchain *chain = NULL; |
75051724 | 1148 | |
3efa1cc9 | 1149 | if (event->header.type & PERF_SAMPLE_PERIOD) { |
9cffa8d5 PM |
1150 | period = *(u64 *)more_data; |
1151 | more_data += sizeof(u64); | |
3efa1cc9 | 1152 | } |
ea1900e5 | 1153 | |
4502d77c | 1154 | dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p period: %Ld\n", |
75051724 IM |
1155 | (void *)(offset + head), |
1156 | (void *)(long)(event->header.size), | |
1157 | event->header.misc, | |
1158 | event->ip.pid, | |
4502d77c | 1159 | (void *)(long)ip, |
ea1900e5 | 1160 | (long long)period); |
75051724 | 1161 | |
3efa1cc9 IM |
1162 | if (event->header.type & PERF_SAMPLE_CALLCHAIN) { |
1163 | int i; | |
1164 | ||
1165 | chain = (void *)more_data; | |
1166 | ||
2a0a50fe | 1167 | dprintf("... chain: nr:%Lu\n", chain->nr); |
3efa1cc9 | 1168 | |
7522060c IM |
1169 | if (validate_chain(chain, event) < 0) { |
1170 | eprintf("call-chain problem with event, skipping it.\n"); | |
1171 | return 0; | |
1172 | } | |
1173 | ||
1174 | if (dump_trace) { | |
3efa1cc9 | 1175 | for (i = 0; i < chain->nr; i++) |
2a0a50fe | 1176 | dprintf("..... %2d: %016Lx\n", i, chain->ips[i]); |
3efa1cc9 IM |
1177 | } |
1178 | } | |
1179 | ||
75051724 IM |
1180 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
1181 | ||
1182 | if (thread == NULL) { | |
7522060c | 1183 | eprintf("problem processing %d event, skipping it.\n", |
75051724 IM |
1184 | event->header.type); |
1185 | return -1; | |
1186 | } | |
e7fb08b1 | 1187 | |
75051724 IM |
1188 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { |
1189 | show = SHOW_KERNEL; | |
1190 | level = 'k'; | |
e7fb08b1 | 1191 | |
75051724 | 1192 | dso = kernel_dso; |
ed966aac | 1193 | |
75051724 | 1194 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 1195 | |
75051724 | 1196 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
16f762a2 | 1197 | |
75051724 IM |
1198 | show = SHOW_USER; |
1199 | level = '.'; | |
e7fb08b1 | 1200 | |
75051724 IM |
1201 | } else { |
1202 | show = SHOW_HV; | |
1203 | level = 'H'; | |
1204 | dprintf(" ...... dso: [hypervisor]\n"); | |
1205 | } | |
8fa66bdc | 1206 | |
75051724 | 1207 | if (show & show_mask) { |
6e7d6fdc | 1208 | struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip); |
8fa66bdc | 1209 | |
6e7d6fdc | 1210 | if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) { |
7522060c | 1211 | eprintf("problem incrementing symbol count, skipping event\n"); |
d80d338d | 1212 | return -1; |
ce7e4365 | 1213 | } |
8fa66bdc | 1214 | } |
ea1900e5 | 1215 | total += period; |
8fa66bdc | 1216 | |
75051724 IM |
1217 | return 0; |
1218 | } | |
3502973d | 1219 | |
75051724 IM |
1220 | static int |
1221 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
1222 | { | |
1223 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1224 | struct map *map = map__new(&event->mmap); | |
1225 | ||
62fc4453 | 1226 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
1227 | (void *)(offset + head), |
1228 | (void *)(long)(event->header.size), | |
62fc4453 | 1229 | event->mmap.pid, |
75051724 IM |
1230 | (void *)(long)event->mmap.start, |
1231 | (void *)(long)event->mmap.len, | |
1232 | (void *)(long)event->mmap.pgoff, | |
1233 | event->mmap.filename); | |
1234 | ||
1235 | if (thread == NULL || map == NULL) { | |
1236 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 1237 | return 0; |
75051724 IM |
1238 | } |
1239 | ||
1240 | thread__insert_map(thread, map); | |
1241 | total_mmap++; | |
1242 | ||
1243 | return 0; | |
1244 | } | |
1245 | ||
1246 | static int | |
1247 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
1248 | { | |
1249 | struct thread *thread = threads__findnew(event->comm.pid); | |
1250 | ||
1251 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
1252 | (void *)(offset + head), | |
1253 | (void *)(long)(event->header.size), | |
1254 | event->comm.comm, event->comm.pid); | |
1255 | ||
1256 | if (thread == NULL || | |
1257 | thread__set_comm(thread, event->comm.comm)) { | |
1258 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
1259 | return -1; | |
8fa66bdc | 1260 | } |
75051724 IM |
1261 | total_comm++; |
1262 | ||
1263 | return 0; | |
1264 | } | |
1265 | ||
62fc4453 PZ |
1266 | static int |
1267 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | |
1268 | { | |
1269 | struct thread *thread = threads__findnew(event->fork.pid); | |
1270 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1271 | ||
1272 | dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", | |
1273 | (void *)(offset + head), | |
1274 | (void *)(long)(event->header.size), | |
1275 | event->fork.pid, event->fork.ppid); | |
1276 | ||
1277 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1278 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1279 | return -1; | |
1280 | } | |
1281 | total_fork++; | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
b2fef076 IM |
1286 | static int |
1287 | process_period_event(event_t *event, unsigned long offset, unsigned long head) | |
1288 | { | |
1289 | dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n", | |
1290 | (void *)(offset + head), | |
1291 | (void *)(long)(event->header.size), | |
1292 | event->period.time, | |
1293 | event->period.id, | |
1294 | event->period.sample_period); | |
1295 | ||
1296 | return 0; | |
1297 | } | |
1298 | ||
9d91a6f7 PZ |
1299 | static int |
1300 | process_lost_event(event_t *event, unsigned long offset, unsigned long head) | |
1301 | { | |
1302 | dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n", | |
1303 | (void *)(offset + head), | |
1304 | (void *)(long)(event->header.size), | |
1305 | event->lost.id, | |
1306 | event->lost.lost); | |
1307 | ||
1308 | total_lost += event->lost.lost; | |
1309 | ||
1310 | return 0; | |
1311 | } | |
1312 | ||
8465b050 IM |
1313 | static void trace_event(event_t *event) |
1314 | { | |
1315 | unsigned char *raw_event = (void *)event; | |
3efa1cc9 | 1316 | char *color = PERF_COLOR_BLUE; |
8465b050 IM |
1317 | int i, j; |
1318 | ||
1319 | if (!dump_trace) | |
1320 | return; | |
1321 | ||
3efa1cc9 IM |
1322 | dprintf("."); |
1323 | cdprintf("\n. ... raw event: size %d bytes\n", event->header.size); | |
8465b050 IM |
1324 | |
1325 | for (i = 0; i < event->header.size; i++) { | |
3efa1cc9 IM |
1326 | if ((i & 15) == 0) { |
1327 | dprintf("."); | |
1328 | cdprintf(" %04x: ", i); | |
1329 | } | |
8465b050 | 1330 | |
3efa1cc9 | 1331 | cdprintf(" %02x", raw_event[i]); |
8465b050 IM |
1332 | |
1333 | if (((i & 15) == 15) || i == event->header.size-1) { | |
3efa1cc9 | 1334 | cdprintf(" "); |
8465b050 | 1335 | for (j = 0; j < 15-(i & 15); j++) |
3efa1cc9 | 1336 | cdprintf(" "); |
8465b050 | 1337 | for (j = 0; j < (i & 15); j++) { |
a73c7d84 | 1338 | if (isprint(raw_event[i-15+j])) |
3efa1cc9 | 1339 | cdprintf("%c", raw_event[i-15+j]); |
8465b050 | 1340 | else |
3efa1cc9 | 1341 | cdprintf("."); |
8465b050 | 1342 | } |
3efa1cc9 | 1343 | cdprintf("\n"); |
8465b050 IM |
1344 | } |
1345 | } | |
1346 | dprintf(".\n"); | |
1347 | } | |
1348 | ||
75051724 IM |
1349 | static int |
1350 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1351 | { | |
8465b050 IM |
1352 | trace_event(event); |
1353 | ||
75051724 IM |
1354 | if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) |
1355 | return process_overflow_event(event, offset, head); | |
1356 | ||
1357 | switch (event->header.type) { | |
1358 | case PERF_EVENT_MMAP: | |
1359 | return process_mmap_event(event, offset, head); | |
1360 | ||
1361 | case PERF_EVENT_COMM: | |
1362 | return process_comm_event(event, offset, head); | |
1363 | ||
62fc4453 PZ |
1364 | case PERF_EVENT_FORK: |
1365 | return process_fork_event(event, offset, head); | |
1366 | ||
b2fef076 IM |
1367 | case PERF_EVENT_PERIOD: |
1368 | return process_period_event(event, offset, head); | |
9d91a6f7 PZ |
1369 | |
1370 | case PERF_EVENT_LOST: | |
1371 | return process_lost_event(event, offset, head); | |
1372 | ||
d11444df IM |
1373 | /* |
1374 | * We dont process them right now but they are fine: | |
1375 | */ | |
62fc4453 | 1376 | |
d11444df IM |
1377 | case PERF_EVENT_THROTTLE: |
1378 | case PERF_EVENT_UNTHROTTLE: | |
1379 | return 0; | |
1380 | ||
d80d338d IM |
1381 | default: |
1382 | return -1; | |
1383 | } | |
1384 | ||
1385 | return 0; | |
1386 | } | |
1387 | ||
f5970550 PZ |
1388 | static struct perf_file_header file_header; |
1389 | ||
d80d338d IM |
1390 | static int __cmd_report(void) |
1391 | { | |
75051724 | 1392 | int ret, rc = EXIT_FAILURE; |
d80d338d | 1393 | unsigned long offset = 0; |
f5970550 | 1394 | unsigned long head = sizeof(file_header); |
d80d338d | 1395 | struct stat stat; |
d80d338d | 1396 | event_t *event; |
d80d338d | 1397 | uint32_t size; |
75051724 | 1398 | char *buf; |
d80d338d IM |
1399 | |
1400 | register_idle_thread(); | |
1401 | ||
1402 | input = open(input_name, O_RDONLY); | |
1403 | if (input < 0) { | |
a14832ff IM |
1404 | fprintf(stderr, " failed to open file: %s", input_name); |
1405 | if (!strcmp(input_name, "perf.data")) | |
1406 | fprintf(stderr, " (try 'perf record' first)"); | |
1407 | fprintf(stderr, "\n"); | |
d80d338d IM |
1408 | exit(-1); |
1409 | } | |
1410 | ||
1411 | ret = fstat(input, &stat); | |
1412 | if (ret < 0) { | |
1413 | perror("failed to stat file"); | |
1414 | exit(-1); | |
1415 | } | |
1416 | ||
1417 | if (!stat.st_size) { | |
1418 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1419 | exit(0); | |
1420 | } | |
1421 | ||
eadc84cc FW |
1422 | if (read(input, &file_header, sizeof(file_header)) == -1) { |
1423 | perror("failed to read file headers"); | |
1424 | exit(-1); | |
1425 | } | |
f5970550 PZ |
1426 | |
1427 | if (sort__has_parent && | |
1428 | !(file_header.sample_type & PERF_SAMPLE_CALLCHAIN)) { | |
1429 | fprintf(stderr, "selected --sort parent, but no callchain data\n"); | |
1430 | exit(-1); | |
1431 | } | |
1432 | ||
d80d338d IM |
1433 | if (load_kernel() < 0) { |
1434 | perror("failed to load kernel symbols"); | |
1435 | return EXIT_FAILURE; | |
1436 | } | |
1437 | ||
1438 | if (!full_paths) { | |
1439 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1440 | perror("failed to get the current directory"); | |
1441 | return EXIT_FAILURE; | |
1442 | } | |
1443 | cwdlen = strlen(cwd); | |
1444 | } else { | |
1445 | cwd = NULL; | |
1446 | cwdlen = 0; | |
1447 | } | |
1448 | remap: | |
1449 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1450 | MAP_SHARED, input, offset); | |
1451 | if (buf == MAP_FAILED) { | |
1452 | perror("failed to mmap file"); | |
1453 | exit(-1); | |
1454 | } | |
1455 | ||
1456 | more: | |
1457 | event = (event_t *)(buf + head); | |
1458 | ||
1459 | size = event->header.size; | |
1460 | if (!size) | |
1461 | size = 8; | |
1462 | ||
1463 | if (head + event->header.size >= page_size * mmap_window) { | |
1464 | unsigned long shift = page_size * (head / page_size); | |
1465 | int ret; | |
1466 | ||
1467 | ret = munmap(buf, page_size * mmap_window); | |
1468 | assert(ret == 0); | |
1469 | ||
1470 | offset += shift; | |
1471 | head -= shift; | |
1472 | goto remap; | |
1473 | } | |
1474 | ||
1475 | size = event->header.size; | |
1476 | ||
8465b050 | 1477 | dprintf("\n%p [%p]: event: %d\n", |
b2fef076 IM |
1478 | (void *)(offset + head), |
1479 | (void *)(long)event->header.size, | |
1480 | event->header.type); | |
1481 | ||
d80d338d IM |
1482 | if (!size || process_event(event, offset, head) < 0) { |
1483 | ||
3502973d IM |
1484 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1485 | (void *)(offset + head), | |
1486 | (void *)(long)(event->header.size), | |
1487 | event->header.type); | |
b7a16eac | 1488 | |
3e706114 | 1489 | total_unknown++; |
6142f9ec PZ |
1490 | |
1491 | /* | |
1492 | * assume we lost track of the stream, check alignment, and | |
1493 | * increment a single u64 in the hope to catch on again 'soon'. | |
1494 | */ | |
1495 | ||
1496 | if (unlikely(head & 7)) | |
1497 | head &= ~7ULL; | |
1498 | ||
1499 | size = 8; | |
97b07b69 | 1500 | } |
8fa66bdc | 1501 | |
6142f9ec | 1502 | head += size; |
f49515b1 | 1503 | |
f5970550 PZ |
1504 | if (offset + head >= sizeof(file_header) + file_header.data_size) |
1505 | goto done; | |
1506 | ||
8fa66bdc ACM |
1507 | if (offset + head < stat.st_size) |
1508 | goto more; | |
1509 | ||
f5970550 | 1510 | done: |
8fa66bdc | 1511 | rc = EXIT_SUCCESS; |
8fa66bdc | 1512 | close(input); |
97b07b69 | 1513 | |
3502973d IM |
1514 | dprintf(" IP events: %10ld\n", total); |
1515 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1516 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1517 | dprintf(" fork events: %10ld\n", total_fork); |
9d91a6f7 | 1518 | dprintf(" lost events: %10ld\n", total_lost); |
3502973d | 1519 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1520 | |
3502973d | 1521 | if (dump_trace) |
97b07b69 | 1522 | return 0; |
97b07b69 | 1523 | |
9ac99545 ACM |
1524 | if (verbose >= 3) |
1525 | threads__fprintf(stdout); | |
1526 | ||
e7fb08b1 | 1527 | if (verbose >= 2) |
16f762a2 | 1528 | dsos__fprintf(stdout); |
16f762a2 | 1529 | |
8229289b | 1530 | collapse__resort(); |
e7fb08b1 PZ |
1531 | output__resort(); |
1532 | output__fprintf(stdout, total); | |
8fa66bdc | 1533 | |
8fa66bdc ACM |
1534 | return rc; |
1535 | } | |
1536 | ||
53cb8bc2 IM |
1537 | static const char * const report_usage[] = { |
1538 | "perf report [<options>] <command>", | |
1539 | NULL | |
1540 | }; | |
1541 | ||
1542 | static const struct option options[] = { | |
1543 | OPT_STRING('i', "input", &input_name, "file", | |
1544 | "input file name"), | |
815e777f ACM |
1545 | OPT_BOOLEAN('v', "verbose", &verbose, |
1546 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1547 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1548 | "dump raw trace in ASCII"), | |
450aaa2b | 1549 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
63299f05 | 1550 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
b25bcf2f | 1551 | "sort by key(s): pid, comm, dso, symbol, parent"), |
b78c07d4 ACM |
1552 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1553 | "Don't shorten the pathnames taking into account the cwd"), | |
b25bcf2f IM |
1554 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
1555 | "regex filter to identify parent, see: '--sort parent'"), | |
b8e6d829 IM |
1556 | OPT_BOOLEAN('x', "exclude-other", &exclude_other, |
1557 | "Only display entries with parent-match"), | |
53cb8bc2 IM |
1558 | OPT_END() |
1559 | }; | |
1560 | ||
5352f35d IM |
1561 | static void setup_sorting(void) |
1562 | { | |
1563 | char *tmp, *tok, *str = strdup(sort_order); | |
1564 | ||
1565 | for (tok = strtok_r(str, ", ", &tmp); | |
1566 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1567 | if (sort_dimension__add(tok) < 0) { | |
1568 | error("Unknown --sort key: `%s'", tok); | |
1569 | usage_with_options(report_usage, options); | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | free(str); | |
1574 | } | |
1575 | ||
53cb8bc2 IM |
1576 | int cmd_report(int argc, const char **argv, const char *prefix) |
1577 | { | |
a2928c42 | 1578 | symbol__init(); |
53cb8bc2 IM |
1579 | |
1580 | page_size = getpagesize(); | |
1581 | ||
edc52dea | 1582 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 1583 | |
1aa16738 PZ |
1584 | setup_sorting(); |
1585 | ||
b8e6d829 IM |
1586 | if (parent_pattern != default_parent_pattern) |
1587 | sort_dimension__add("parent"); | |
1588 | else | |
1589 | exclude_other = 0; | |
1590 | ||
edc52dea IM |
1591 | /* |
1592 | * Any (unrecognized) arguments left? | |
1593 | */ | |
1594 | if (argc) | |
1595 | usage_with_options(report_usage, options); | |
1596 | ||
a930d2c0 IM |
1597 | setup_pager(); |
1598 | ||
53cb8bc2 IM |
1599 | return __cmd_report(); |
1600 | } |