Commit | Line | Data |
---|---|---|
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; |
b78c07d4 | 42 | static int full_paths; |
3dfabc74 | 43 | static int collapse_syscalls; |
97b07b69 | 44 | |
8fa66bdc ACM |
45 | static unsigned long page_size; |
46 | static unsigned long mmap_window = 32; | |
47 | ||
3efa1cc9 IM |
48 | struct ip_chain_event { |
49 | __u16 nr; | |
50 | __u16 hv; | |
51 | __u16 kernel; | |
52 | __u16 user; | |
53 | __u64 ips[]; | |
54 | }; | |
55 | ||
8fa66bdc ACM |
56 | struct ip_event { |
57 | struct perf_event_header header; | |
58 | __u64 ip; | |
59 | __u32 pid, tid; | |
3efa1cc9 | 60 | unsigned char __more_data[]; |
8fa66bdc | 61 | }; |
75051724 | 62 | |
8fa66bdc ACM |
63 | struct mmap_event { |
64 | struct perf_event_header header; | |
65 | __u32 pid, tid; | |
66 | __u64 start; | |
67 | __u64 len; | |
68 | __u64 pgoff; | |
69 | char filename[PATH_MAX]; | |
70 | }; | |
75051724 | 71 | |
8fa66bdc ACM |
72 | struct comm_event { |
73 | struct perf_event_header header; | |
75051724 | 74 | __u32 pid, tid; |
8fa66bdc ACM |
75 | char comm[16]; |
76 | }; | |
77 | ||
62fc4453 PZ |
78 | struct fork_event { |
79 | struct perf_event_header header; | |
80 | __u32 pid, ppid; | |
81 | }; | |
82 | ||
b2fef076 | 83 | struct period_event { |
8fa66bdc | 84 | struct perf_event_header header; |
b2fef076 IM |
85 | __u64 time; |
86 | __u64 id; | |
87 | __u64 sample_period; | |
88 | }; | |
89 | ||
90 | typedef union event_union { | |
91 | struct perf_event_header header; | |
92 | struct ip_event ip; | |
93 | struct mmap_event mmap; | |
94 | struct comm_event comm; | |
95 | struct fork_event fork; | |
96 | struct period_event period; | |
8fa66bdc ACM |
97 | } event_t; |
98 | ||
8fa66bdc ACM |
99 | static LIST_HEAD(dsos); |
100 | static struct dso *kernel_dso; | |
fc54db51 | 101 | static struct dso *vdso; |
8fa66bdc ACM |
102 | |
103 | static void dsos__add(struct dso *dso) | |
104 | { | |
105 | list_add_tail(&dso->node, &dsos); | |
106 | } | |
107 | ||
108 | static struct dso *dsos__find(const char *name) | |
109 | { | |
110 | struct dso *pos; | |
111 | ||
112 | list_for_each_entry(pos, &dsos, node) | |
113 | if (strcmp(pos->name, name) == 0) | |
114 | return pos; | |
115 | return NULL; | |
116 | } | |
117 | ||
118 | static struct dso *dsos__findnew(const char *name) | |
119 | { | |
120 | struct dso *dso = dsos__find(name); | |
b7a16eac | 121 | int nr; |
8fa66bdc | 122 | |
4593bba8 IM |
123 | if (dso) |
124 | return dso; | |
125 | ||
126 | dso = dso__new(name, 0); | |
127 | if (!dso) | |
128 | goto out_delete_dso; | |
8fa66bdc | 129 | |
bd74137e | 130 | nr = dso__load(dso, NULL, verbose); |
4593bba8 | 131 | if (nr < 0) { |
bd74137e IM |
132 | if (verbose) |
133 | fprintf(stderr, "Failed to open: %s\n", name); | |
4593bba8 | 134 | goto out_delete_dso; |
8fa66bdc | 135 | } |
4593bba8 IM |
136 | if (!nr && verbose) { |
137 | fprintf(stderr, | |
138 | "No symbols found in: %s, maybe install a debug package?\n", | |
139 | name); | |
140 | } | |
141 | ||
142 | dsos__add(dso); | |
8fa66bdc ACM |
143 | |
144 | return dso; | |
145 | ||
146 | out_delete_dso: | |
147 | dso__delete(dso); | |
148 | return NULL; | |
149 | } | |
150 | ||
16f762a2 | 151 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
152 | { |
153 | struct dso *pos; | |
154 | ||
155 | list_for_each_entry(pos, &dsos, node) | |
156 | dso__fprintf(pos, fp); | |
157 | } | |
158 | ||
729ff5e2 | 159 | static struct symbol *vdso__find_symbol(struct dso *dso, __u64 ip) |
fc54db51 PZ |
160 | { |
161 | return dso__find_symbol(kernel_dso, ip); | |
162 | } | |
163 | ||
450aaa2b PZ |
164 | static int load_kernel(void) |
165 | { | |
a827c875 | 166 | int err; |
450aaa2b | 167 | |
0085c954 | 168 | kernel_dso = dso__new("[kernel]", 0); |
450aaa2b | 169 | if (!kernel_dso) |
a2928c42 | 170 | return -1; |
450aaa2b | 171 | |
bd74137e | 172 | err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); |
a2928c42 ACM |
173 | if (err) { |
174 | dso__delete(kernel_dso); | |
175 | kernel_dso = NULL; | |
176 | } else | |
177 | dsos__add(kernel_dso); | |
450aaa2b | 178 | |
fc54db51 PZ |
179 | vdso = dso__new("[vdso]", 0); |
180 | if (!vdso) | |
181 | return -1; | |
182 | ||
183 | vdso->find_symbol = vdso__find_symbol; | |
184 | ||
185 | dsos__add(vdso); | |
186 | ||
a2928c42 | 187 | return err; |
450aaa2b PZ |
188 | } |
189 | ||
d80d338d IM |
190 | static char __cwd[PATH_MAX]; |
191 | static char *cwd = __cwd; | |
192 | static int cwdlen; | |
193 | ||
194 | static int strcommon(const char *pathname) | |
b78c07d4 ACM |
195 | { |
196 | int n = 0; | |
197 | ||
198 | while (pathname[n] == cwd[n] && n < cwdlen) | |
199 | ++n; | |
200 | ||
201 | return n; | |
202 | } | |
203 | ||
8fa66bdc ACM |
204 | struct map { |
205 | struct list_head node; | |
729ff5e2 IM |
206 | __u64 start; |
207 | __u64 end; | |
208 | __u64 pgoff; | |
209 | __u64 (*map_ip)(struct map *, __u64); | |
8fa66bdc ACM |
210 | struct dso *dso; |
211 | }; | |
212 | ||
729ff5e2 | 213 | static __u64 map__map_ip(struct map *map, __u64 ip) |
fc54db51 PZ |
214 | { |
215 | return ip - map->start + map->pgoff; | |
216 | } | |
217 | ||
729ff5e2 | 218 | static __u64 vdso__map_ip(struct map *map, __u64 ip) |
fc54db51 PZ |
219 | { |
220 | return ip; | |
221 | } | |
222 | ||
80d496be PE |
223 | static inline int is_anon_memory(const char *filename) |
224 | { | |
225 | return strcmp(filename, "//anon") == 0; | |
226 | } | |
227 | ||
d80d338d | 228 | static struct map *map__new(struct mmap_event *event) |
8fa66bdc ACM |
229 | { |
230 | struct map *self = malloc(sizeof(*self)); | |
231 | ||
232 | if (self != NULL) { | |
b78c07d4 ACM |
233 | const char *filename = event->filename; |
234 | char newfilename[PATH_MAX]; | |
80d496be | 235 | int anon; |
b78c07d4 ACM |
236 | |
237 | if (cwd) { | |
d80d338d IM |
238 | int n = strcommon(filename); |
239 | ||
b78c07d4 ACM |
240 | if (n == cwdlen) { |
241 | snprintf(newfilename, sizeof(newfilename), | |
242 | ".%s", filename + n); | |
243 | filename = newfilename; | |
244 | } | |
245 | } | |
246 | ||
80d496be PE |
247 | anon = is_anon_memory(filename); |
248 | ||
249 | if (anon) { | |
250 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid); | |
251 | filename = newfilename; | |
252 | } | |
253 | ||
8fa66bdc ACM |
254 | self->start = event->start; |
255 | self->end = event->start + event->len; | |
256 | self->pgoff = event->pgoff; | |
257 | ||
b78c07d4 | 258 | self->dso = dsos__findnew(filename); |
8fa66bdc ACM |
259 | if (self->dso == NULL) |
260 | goto out_delete; | |
fc54db51 | 261 | |
80d496be | 262 | if (self->dso == vdso || anon) |
fc54db51 PZ |
263 | self->map_ip = vdso__map_ip; |
264 | else | |
265 | self->map_ip = map__map_ip; | |
8fa66bdc ACM |
266 | } |
267 | return self; | |
268 | out_delete: | |
269 | free(self); | |
270 | return NULL; | |
271 | } | |
272 | ||
62fc4453 PZ |
273 | static struct map *map__clone(struct map *self) |
274 | { | |
275 | struct map *map = malloc(sizeof(*self)); | |
276 | ||
277 | if (!map) | |
278 | return NULL; | |
279 | ||
280 | memcpy(map, self, sizeof(*self)); | |
281 | ||
282 | return map; | |
283 | } | |
284 | ||
285 | static int map__overlap(struct map *l, struct map *r) | |
286 | { | |
287 | if (l->start > r->start) { | |
288 | struct map *t = l; | |
289 | l = r; | |
290 | r = t; | |
291 | } | |
292 | ||
293 | if (l->end > r->start) | |
294 | return 1; | |
295 | ||
296 | return 0; | |
297 | } | |
3a4b8cc7 | 298 | |
9ac99545 ACM |
299 | static size_t map__fprintf(struct map *self, FILE *fp) |
300 | { | |
729ff5e2 | 301 | return fprintf(fp, " %Lx-%Lx %Lx %s\n", |
9ac99545 ACM |
302 | self->start, self->end, self->pgoff, self->dso->name); |
303 | } | |
304 | ||
305 | ||
8fa66bdc | 306 | struct thread { |
ce7e4365 | 307 | struct rb_node rb_node; |
8fa66bdc | 308 | struct list_head maps; |
8fa66bdc ACM |
309 | pid_t pid; |
310 | char *comm; | |
311 | }; | |
312 | ||
313 | static struct thread *thread__new(pid_t pid) | |
314 | { | |
315 | struct thread *self = malloc(sizeof(*self)); | |
316 | ||
317 | if (self != NULL) { | |
318 | self->pid = pid; | |
8229289b | 319 | self->comm = malloc(32); |
0a520c63 | 320 | if (self->comm) |
8229289b | 321 | snprintf(self->comm, 32, ":%d", self->pid); |
8fa66bdc | 322 | INIT_LIST_HEAD(&self->maps); |
8fa66bdc ACM |
323 | } |
324 | ||
325 | return self; | |
326 | } | |
327 | ||
8fa66bdc ACM |
328 | static int thread__set_comm(struct thread *self, const char *comm) |
329 | { | |
8229289b PZ |
330 | if (self->comm) |
331 | free(self->comm); | |
8fa66bdc ACM |
332 | self->comm = strdup(comm); |
333 | return self->comm ? 0 : -ENOMEM; | |
334 | } | |
335 | ||
9ac99545 ACM |
336 | static size_t thread__fprintf(struct thread *self, FILE *fp) |
337 | { | |
338 | struct map *pos; | |
339 | size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); | |
340 | ||
341 | list_for_each_entry(pos, &self->maps, node) | |
342 | ret += map__fprintf(pos, fp); | |
343 | ||
344 | return ret; | |
345 | } | |
346 | ||
347 | ||
16f762a2 | 348 | static struct rb_root threads; |
eed4dcd4 | 349 | static struct thread *last_match; |
8fa66bdc | 350 | |
ce7e4365 | 351 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 352 | { |
ce7e4365 ACM |
353 | struct rb_node **p = &threads.rb_node; |
354 | struct rb_node *parent = NULL; | |
355 | struct thread *th; | |
8fa66bdc | 356 | |
eed4dcd4 IM |
357 | /* |
358 | * Font-end cache - PID lookups come in blocks, | |
359 | * so most of the time we dont have to look up | |
360 | * the full rbtree: | |
361 | */ | |
362 | if (last_match && last_match->pid == pid) | |
363 | return last_match; | |
364 | ||
ce7e4365 ACM |
365 | while (*p != NULL) { |
366 | parent = *p; | |
367 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 368 | |
eed4dcd4 IM |
369 | if (th->pid == pid) { |
370 | last_match = th; | |
ce7e4365 | 371 | return th; |
eed4dcd4 | 372 | } |
8fa66bdc | 373 | |
ce7e4365 ACM |
374 | if (pid < th->pid) |
375 | p = &(*p)->rb_left; | |
376 | else | |
377 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
378 | } |
379 | ||
ce7e4365 ACM |
380 | th = thread__new(pid); |
381 | if (th != NULL) { | |
382 | rb_link_node(&th->rb_node, parent, p); | |
383 | rb_insert_color(&th->rb_node, &threads); | |
eed4dcd4 | 384 | last_match = th; |
ce7e4365 | 385 | } |
eed4dcd4 | 386 | |
ce7e4365 | 387 | return th; |
8fa66bdc ACM |
388 | } |
389 | ||
390 | static void thread__insert_map(struct thread *self, struct map *map) | |
391 | { | |
62fc4453 PZ |
392 | struct map *pos, *tmp; |
393 | ||
394 | list_for_each_entry_safe(pos, tmp, &self->maps, node) { | |
395 | if (map__overlap(pos, map)) { | |
396 | list_del_init(&pos->node); | |
397 | /* XXX leaks dsos */ | |
398 | free(pos); | |
399 | } | |
400 | } | |
401 | ||
8fa66bdc ACM |
402 | list_add_tail(&map->node, &self->maps); |
403 | } | |
404 | ||
62fc4453 PZ |
405 | static int thread__fork(struct thread *self, struct thread *parent) |
406 | { | |
407 | struct map *map; | |
408 | ||
409 | if (self->comm) | |
410 | free(self->comm); | |
411 | self->comm = strdup(parent->comm); | |
412 | if (!self->comm) | |
413 | return -ENOMEM; | |
414 | ||
415 | list_for_each_entry(map, &parent->maps, node) { | |
416 | struct map *new = map__clone(map); | |
417 | if (!new) | |
418 | return -ENOMEM; | |
419 | thread__insert_map(self, new); | |
420 | } | |
421 | ||
422 | return 0; | |
423 | } | |
424 | ||
729ff5e2 | 425 | static struct map *thread__find_map(struct thread *self, __u64 ip) |
8fa66bdc | 426 | { |
16f762a2 IM |
427 | struct map *pos; |
428 | ||
8fa66bdc ACM |
429 | if (self == NULL) |
430 | return NULL; | |
431 | ||
8fa66bdc ACM |
432 | list_for_each_entry(pos, &self->maps, node) |
433 | if (ip >= pos->start && ip <= pos->end) | |
434 | return pos; | |
435 | ||
436 | return NULL; | |
437 | } | |
438 | ||
9ac99545 ACM |
439 | static size_t threads__fprintf(FILE *fp) |
440 | { | |
441 | size_t ret = 0; | |
442 | struct rb_node *nd; | |
443 | ||
444 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
445 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
446 | ||
447 | ret += thread__fprintf(pos, fp); | |
448 | } | |
449 | ||
450 | return ret; | |
451 | } | |
452 | ||
e7fb08b1 PZ |
453 | /* |
454 | * histogram, sorted on item, collects counts | |
455 | */ | |
456 | ||
457 | static struct rb_root hist; | |
458 | ||
459 | struct hist_entry { | |
460 | struct rb_node rb_node; | |
461 | ||
462 | struct thread *thread; | |
463 | struct map *map; | |
464 | struct dso *dso; | |
465 | struct symbol *sym; | |
729ff5e2 | 466 | __u64 ip; |
e7fb08b1 PZ |
467 | char level; |
468 | ||
729ff5e2 | 469 | __u64 count; |
e7fb08b1 PZ |
470 | }; |
471 | ||
1aa16738 PZ |
472 | /* |
473 | * configurable sorting bits | |
474 | */ | |
475 | ||
476 | struct sort_entry { | |
477 | struct list_head list; | |
478 | ||
ca8cdeef PZ |
479 | char *header; |
480 | ||
1aa16738 | 481 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 482 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
1aa16738 PZ |
483 | size_t (*print)(FILE *fp, struct hist_entry *); |
484 | }; | |
485 | ||
8229289b PZ |
486 | /* --sort pid */ |
487 | ||
e7fb08b1 | 488 | static int64_t |
1aa16738 | 489 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 490 | { |
1aa16738 PZ |
491 | return right->thread->pid - left->thread->pid; |
492 | } | |
493 | ||
494 | static size_t | |
495 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
496 | { | |
71dd8945 | 497 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 498 | } |
e7fb08b1 | 499 | |
1aa16738 | 500 | static struct sort_entry sort_thread = { |
71dd8945 | 501 | .header = " Command: Pid", |
1aa16738 PZ |
502 | .cmp = sort__thread_cmp, |
503 | .print = sort__thread_print, | |
504 | }; | |
505 | ||
8229289b PZ |
506 | /* --sort comm */ |
507 | ||
992444b1 PZ |
508 | static int64_t |
509 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
510 | { |
511 | return right->thread->pid - left->thread->pid; | |
512 | } | |
513 | ||
514 | static int64_t | |
515 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
516 | { |
517 | char *comm_l = left->thread->comm; | |
518 | char *comm_r = right->thread->comm; | |
519 | ||
520 | if (!comm_l || !comm_r) { | |
521 | if (!comm_l && !comm_r) | |
522 | return 0; | |
523 | else if (!comm_l) | |
524 | return -1; | |
525 | else | |
526 | return 1; | |
527 | } | |
528 | ||
529 | return strcmp(comm_l, comm_r); | |
530 | } | |
531 | ||
532 | static size_t | |
533 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
534 | { | |
71dd8945 | 535 | return fprintf(fp, "%16s", self->thread->comm); |
992444b1 PZ |
536 | } |
537 | ||
538 | static struct sort_entry sort_comm = { | |
8edd4286 | 539 | .header = " Command", |
8229289b PZ |
540 | .cmp = sort__comm_cmp, |
541 | .collapse = sort__comm_collapse, | |
542 | .print = sort__comm_print, | |
992444b1 PZ |
543 | }; |
544 | ||
8229289b PZ |
545 | /* --sort dso */ |
546 | ||
55e5ec41 PZ |
547 | static int64_t |
548 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
549 | { | |
550 | struct dso *dso_l = left->dso; | |
551 | struct dso *dso_r = right->dso; | |
552 | ||
553 | if (!dso_l || !dso_r) { | |
554 | if (!dso_l && !dso_r) | |
555 | return 0; | |
556 | else if (!dso_l) | |
557 | return -1; | |
558 | else | |
559 | return 1; | |
560 | } | |
561 | ||
562 | return strcmp(dso_l->name, dso_r->name); | |
563 | } | |
564 | ||
565 | static size_t | |
566 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
567 | { | |
0a520c63 | 568 | if (self->dso) |
71dd8945 | 569 | return fprintf(fp, "%-25s", self->dso->name); |
0a520c63 | 570 | |
71dd8945 | 571 | return fprintf(fp, "%016llx ", (__u64)self->ip); |
55e5ec41 PZ |
572 | } |
573 | ||
574 | static struct sort_entry sort_dso = { | |
71dd8945 | 575 | .header = "Shared Object ", |
55e5ec41 PZ |
576 | .cmp = sort__dso_cmp, |
577 | .print = sort__dso_print, | |
578 | }; | |
579 | ||
8229289b PZ |
580 | /* --sort symbol */ |
581 | ||
1aa16738 PZ |
582 | static int64_t |
583 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
584 | { | |
729ff5e2 | 585 | __u64 ip_l, ip_r; |
e7fb08b1 PZ |
586 | |
587 | if (left->sym == right->sym) | |
588 | return 0; | |
589 | ||
590 | ip_l = left->sym ? left->sym->start : left->ip; | |
591 | ip_r = right->sym ? right->sym->start : right->ip; | |
592 | ||
593 | return (int64_t)(ip_r - ip_l); | |
594 | } | |
595 | ||
1aa16738 PZ |
596 | static size_t |
597 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
598 | { | |
599 | size_t ret = 0; | |
600 | ||
1aa16738 | 601 | if (verbose) |
71dd8945 | 602 | ret += fprintf(fp, "%#018llx ", (__u64)self->ip); |
0a520c63 | 603 | |
8edd4286 IM |
604 | if (self->sym) { |
605 | ret += fprintf(fp, "[%c] %s", | |
606 | self->dso == kernel_dso ? 'k' : '.', self->sym->name); | |
607 | } else { | |
71dd8945 | 608 | ret += fprintf(fp, "%#016llx", (__u64)self->ip); |
8edd4286 | 609 | } |
1aa16738 PZ |
610 | |
611 | return ret; | |
612 | } | |
613 | ||
614 | static struct sort_entry sort_sym = { | |
71dd8945 | 615 | .header = "Symbol", |
ca8cdeef PZ |
616 | .cmp = sort__sym_cmp, |
617 | .print = sort__sym_print, | |
1aa16738 PZ |
618 | }; |
619 | ||
8229289b PZ |
620 | static int sort__need_collapse = 0; |
621 | ||
37f440cb | 622 | struct sort_dimension { |
8edd4286 IM |
623 | char *name; |
624 | struct sort_entry *entry; | |
625 | int taken; | |
37f440cb PZ |
626 | }; |
627 | ||
628 | static struct sort_dimension sort_dimensions[] = { | |
629 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 630 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 631 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb PZ |
632 | { .name = "symbol", .entry = &sort_sym, }, |
633 | }; | |
634 | ||
1aa16738 PZ |
635 | static LIST_HEAD(hist_entry__sort_list); |
636 | ||
37f440cb PZ |
637 | static int sort_dimension__add(char *tok) |
638 | { | |
639 | int i; | |
640 | ||
641 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
642 | struct sort_dimension *sd = &sort_dimensions[i]; | |
643 | ||
644 | if (sd->taken) | |
645 | continue; | |
646 | ||
5352f35d | 647 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
648 | continue; |
649 | ||
8229289b PZ |
650 | if (sd->entry->collapse) |
651 | sort__need_collapse = 1; | |
652 | ||
37f440cb PZ |
653 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
654 | sd->taken = 1; | |
5352f35d | 655 | |
37f440cb PZ |
656 | return 0; |
657 | } | |
658 | ||
659 | return -ESRCH; | |
660 | } | |
661 | ||
1aa16738 PZ |
662 | static int64_t |
663 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
664 | { | |
665 | struct sort_entry *se; | |
666 | int64_t cmp = 0; | |
667 | ||
668 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
669 | cmp = se->cmp(left, right); | |
670 | if (cmp) | |
671 | break; | |
672 | } | |
673 | ||
674 | return cmp; | |
675 | } | |
676 | ||
8229289b PZ |
677 | static int64_t |
678 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
679 | { | |
680 | struct sort_entry *se; | |
681 | int64_t cmp = 0; | |
682 | ||
683 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
684 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
685 | ||
686 | f = se->collapse ?: se->cmp; | |
687 | ||
688 | cmp = f(left, right); | |
689 | if (cmp) | |
690 | break; | |
691 | } | |
692 | ||
693 | return cmp; | |
694 | } | |
695 | ||
1aa16738 | 696 | static size_t |
729ff5e2 | 697 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, __u64 total_samples) |
1aa16738 PZ |
698 | { |
699 | struct sort_entry *se; | |
700 | size_t ret; | |
701 | ||
702 | if (total_samples) { | |
8fc0321f IM |
703 | double percent = self->count * 100.0 / total_samples; |
704 | char *color = PERF_COLOR_NORMAL; | |
705 | ||
706 | /* | |
aefcf37b IM |
707 | * We color high-overhead entries in red, mid-overhead |
708 | * entries in green - and keep the low overhead places | |
709 | * normal: | |
8fc0321f | 710 | */ |
aefcf37b | 711 | if (percent >= 5.0) { |
8fc0321f | 712 | color = PERF_COLOR_RED; |
aefcf37b IM |
713 | } else { |
714 | if (percent >= 0.5) | |
715 | color = PERF_COLOR_GREEN; | |
716 | } | |
8fc0321f IM |
717 | |
718 | ret = color_fprintf(fp, color, " %6.2f%%", | |
1aa16738 PZ |
719 | (self->count * 100.0) / total_samples); |
720 | } else | |
729ff5e2 | 721 | ret = fprintf(fp, "%12Ld ", self->count); |
1aa16738 | 722 | |
71dd8945 PZ |
723 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
724 | fprintf(fp, " "); | |
1aa16738 | 725 | ret += se->print(fp, self); |
71dd8945 | 726 | } |
1aa16738 PZ |
727 | |
728 | ret += fprintf(fp, "\n"); | |
729 | ||
730 | return ret; | |
731 | } | |
732 | ||
733 | /* | |
734 | * collect histogram counts | |
735 | */ | |
736 | ||
e7fb08b1 PZ |
737 | static int |
738 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
729ff5e2 | 739 | struct symbol *sym, __u64 ip, char level, __u64 count) |
8fa66bdc | 740 | { |
e7fb08b1 PZ |
741 | struct rb_node **p = &hist.rb_node; |
742 | struct rb_node *parent = NULL; | |
743 | struct hist_entry *he; | |
744 | struct hist_entry entry = { | |
745 | .thread = thread, | |
746 | .map = map, | |
747 | .dso = dso, | |
748 | .sym = sym, | |
749 | .ip = ip, | |
750 | .level = level, | |
ea1900e5 | 751 | .count = count, |
e7fb08b1 PZ |
752 | }; |
753 | int cmp; | |
754 | ||
755 | while (*p != NULL) { | |
756 | parent = *p; | |
757 | he = rb_entry(parent, struct hist_entry, rb_node); | |
758 | ||
759 | cmp = hist_entry__cmp(&entry, he); | |
760 | ||
761 | if (!cmp) { | |
ea1900e5 | 762 | he->count += count; |
e7fb08b1 PZ |
763 | return 0; |
764 | } | |
765 | ||
766 | if (cmp < 0) | |
767 | p = &(*p)->rb_left; | |
768 | else | |
769 | p = &(*p)->rb_right; | |
ce7e4365 | 770 | } |
e7fb08b1 PZ |
771 | |
772 | he = malloc(sizeof(*he)); | |
773 | if (!he) | |
774 | return -ENOMEM; | |
775 | *he = entry; | |
776 | rb_link_node(&he->rb_node, parent, p); | |
777 | rb_insert_color(&he->rb_node, &hist); | |
778 | ||
779 | return 0; | |
8fa66bdc ACM |
780 | } |
781 | ||
8229289b PZ |
782 | static void hist_entry__free(struct hist_entry *he) |
783 | { | |
784 | free(he); | |
785 | } | |
786 | ||
787 | /* | |
788 | * collapse the histogram | |
789 | */ | |
790 | ||
791 | static struct rb_root collapse_hists; | |
792 | ||
793 | static void collapse__insert_entry(struct hist_entry *he) | |
794 | { | |
795 | struct rb_node **p = &collapse_hists.rb_node; | |
796 | struct rb_node *parent = NULL; | |
797 | struct hist_entry *iter; | |
798 | int64_t cmp; | |
799 | ||
800 | while (*p != NULL) { | |
801 | parent = *p; | |
802 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
803 | ||
804 | cmp = hist_entry__collapse(iter, he); | |
805 | ||
806 | if (!cmp) { | |
807 | iter->count += he->count; | |
808 | hist_entry__free(he); | |
809 | return; | |
810 | } | |
811 | ||
812 | if (cmp < 0) | |
813 | p = &(*p)->rb_left; | |
814 | else | |
815 | p = &(*p)->rb_right; | |
816 | } | |
817 | ||
818 | rb_link_node(&he->rb_node, parent, p); | |
819 | rb_insert_color(&he->rb_node, &collapse_hists); | |
820 | } | |
821 | ||
822 | static void collapse__resort(void) | |
823 | { | |
824 | struct rb_node *next; | |
825 | struct hist_entry *n; | |
826 | ||
827 | if (!sort__need_collapse) | |
828 | return; | |
829 | ||
830 | next = rb_first(&hist); | |
831 | while (next) { | |
832 | n = rb_entry(next, struct hist_entry, rb_node); | |
833 | next = rb_next(&n->rb_node); | |
834 | ||
835 | rb_erase(&n->rb_node, &hist); | |
836 | collapse__insert_entry(n); | |
837 | } | |
838 | } | |
839 | ||
e7fb08b1 PZ |
840 | /* |
841 | * reverse the map, sort on count. | |
842 | */ | |
843 | ||
844 | static struct rb_root output_hists; | |
845 | ||
846 | static void output__insert_entry(struct hist_entry *he) | |
3a4b8cc7 | 847 | { |
e7fb08b1 | 848 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 849 | struct rb_node *parent = NULL; |
e7fb08b1 | 850 | struct hist_entry *iter; |
3a4b8cc7 ACM |
851 | |
852 | while (*p != NULL) { | |
853 | parent = *p; | |
e7fb08b1 | 854 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 855 | |
e7fb08b1 | 856 | if (he->count > iter->count) |
3a4b8cc7 ACM |
857 | p = &(*p)->rb_left; |
858 | else | |
859 | p = &(*p)->rb_right; | |
860 | } | |
861 | ||
e7fb08b1 PZ |
862 | rb_link_node(&he->rb_node, parent, p); |
863 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
864 | } |
865 | ||
e7fb08b1 | 866 | static void output__resort(void) |
3a4b8cc7 | 867 | { |
8229289b | 868 | struct rb_node *next; |
e7fb08b1 | 869 | struct hist_entry *n; |
a4c43bea | 870 | struct rb_root *tree = &hist; |
3a4b8cc7 | 871 | |
8229289b | 872 | if (sort__need_collapse) |
a4c43bea ACM |
873 | tree = &collapse_hists; |
874 | ||
875 | next = rb_first(tree); | |
8229289b | 876 | |
e7fb08b1 PZ |
877 | while (next) { |
878 | n = rb_entry(next, struct hist_entry, rb_node); | |
879 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 880 | |
a4c43bea | 881 | rb_erase(&n->rb_node, tree); |
e7fb08b1 | 882 | output__insert_entry(n); |
3a4b8cc7 ACM |
883 | } |
884 | } | |
885 | ||
729ff5e2 | 886 | static size_t output__fprintf(FILE *fp, __u64 total_samples) |
3a4b8cc7 | 887 | { |
e7fb08b1 | 888 | struct hist_entry *pos; |
2d65537e | 889 | struct sort_entry *se; |
3a4b8cc7 ACM |
890 | struct rb_node *nd; |
891 | size_t ret = 0; | |
892 | ||
71dd8945 | 893 | fprintf(fp, "\n"); |
05ca061e | 894 | fprintf(fp, "#\n"); |
2debbc83 | 895 | fprintf(fp, "# (%Ld samples)\n", (__u64)total_samples); |
ca8cdeef PZ |
896 | fprintf(fp, "#\n"); |
897 | ||
898 | fprintf(fp, "# Overhead"); | |
899 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
71dd8945 | 900 | fprintf(fp, " %s", se->header); |
ca8cdeef PZ |
901 | fprintf(fp, "\n"); |
902 | ||
903 | fprintf(fp, "# ........"); | |
2d65537e | 904 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
ca8cdeef PZ |
905 | int i; |
906 | ||
4593bba8 | 907 | fprintf(fp, " "); |
71dd8945 | 908 | for (i = 0; i < strlen(se->header); i++) |
ca8cdeef | 909 | fprintf(fp, "."); |
2d65537e | 910 | } |
ca8cdeef PZ |
911 | fprintf(fp, "\n"); |
912 | ||
913 | fprintf(fp, "#\n"); | |
2d65537e | 914 | |
e7fb08b1 PZ |
915 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
916 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
917 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
918 | } |
919 | ||
bd74137e IM |
920 | if (!strcmp(sort_order, default_sort_order)) { |
921 | fprintf(fp, "#\n"); | |
71dd8945 | 922 | fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); |
bd74137e IM |
923 | fprintf(fp, "#\n"); |
924 | } | |
71dd8945 | 925 | fprintf(fp, "\n"); |
bd74137e | 926 | |
3a4b8cc7 ACM |
927 | return ret; |
928 | } | |
929 | ||
436224a6 PZ |
930 | static void register_idle_thread(void) |
931 | { | |
932 | struct thread *thread = threads__findnew(0); | |
933 | ||
934 | if (thread == NULL || | |
935 | thread__set_comm(thread, "[idle]")) { | |
936 | fprintf(stderr, "problem inserting idle task.\n"); | |
937 | exit(-1); | |
938 | } | |
939 | } | |
940 | ||
62fc4453 PZ |
941 | static unsigned long total = 0, |
942 | total_mmap = 0, | |
943 | total_comm = 0, | |
944 | total_fork = 0, | |
945 | total_unknown = 0; | |
e7fb08b1 | 946 | |
d80d338d | 947 | static int |
75051724 IM |
948 | process_overflow_event(event_t *event, unsigned long offset, unsigned long head) |
949 | { | |
950 | char level; | |
951 | int show = 0; | |
952 | struct dso *dso = NULL; | |
953 | struct thread *thread = threads__findnew(event->ip.pid); | |
729ff5e2 IM |
954 | __u64 ip = event->ip.ip; |
955 | __u64 period = 1; | |
75051724 | 956 | struct map *map = NULL; |
3efa1cc9 IM |
957 | void *more_data = event->ip.__more_data; |
958 | struct ip_chain_event *chain; | |
75051724 | 959 | |
3efa1cc9 IM |
960 | if (event->header.type & PERF_SAMPLE_PERIOD) { |
961 | period = *(__u64 *)more_data; | |
962 | more_data += sizeof(__u64); | |
963 | } | |
ea1900e5 | 964 | |
4502d77c | 965 | dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p period: %Ld\n", |
75051724 IM |
966 | (void *)(offset + head), |
967 | (void *)(long)(event->header.size), | |
968 | event->header.misc, | |
969 | event->ip.pid, | |
4502d77c | 970 | (void *)(long)ip, |
ea1900e5 | 971 | (long long)period); |
75051724 | 972 | |
3efa1cc9 IM |
973 | if (event->header.type & PERF_SAMPLE_CALLCHAIN) { |
974 | int i; | |
975 | ||
976 | chain = (void *)more_data; | |
977 | ||
978 | if (dump_trace) { | |
979 | dprintf("... chain: u:%d, k:%d, nr:%d\n", | |
980 | chain->user, | |
981 | chain->kernel, | |
982 | chain->nr); | |
983 | ||
984 | for (i = 0; i < chain->nr; i++) | |
e2eae0f5 | 985 | dprintf("..... %2d: %016Lx\n", i, chain->ips[i]); |
3efa1cc9 | 986 | } |
3dfabc74 IM |
987 | if (collapse_syscalls) { |
988 | /* | |
989 | * Find the all-but-last kernel entry | |
990 | * amongst the call-chains - to get | |
991 | * to the level of system calls: | |
992 | */ | |
993 | if (chain->kernel >= 2) | |
994 | ip = chain->ips[chain->kernel-2]; | |
995 | } | |
3efa1cc9 IM |
996 | } |
997 | ||
75051724 IM |
998 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
999 | ||
1000 | if (thread == NULL) { | |
1001 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
1002 | event->header.type); | |
1003 | return -1; | |
1004 | } | |
e7fb08b1 | 1005 | |
75051724 IM |
1006 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { |
1007 | show = SHOW_KERNEL; | |
1008 | level = 'k'; | |
e7fb08b1 | 1009 | |
75051724 | 1010 | dso = kernel_dso; |
ed966aac | 1011 | |
75051724 | 1012 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 1013 | |
75051724 | 1014 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
16f762a2 | 1015 | |
75051724 IM |
1016 | show = SHOW_USER; |
1017 | level = '.'; | |
e7fb08b1 | 1018 | |
75051724 IM |
1019 | map = thread__find_map(thread, ip); |
1020 | if (map != NULL) { | |
fc54db51 | 1021 | ip = map->map_ip(map, ip); |
75051724 | 1022 | dso = map->dso; |
8fa66bdc | 1023 | } else { |
75051724 IM |
1024 | /* |
1025 | * If this is outside of all known maps, | |
1026 | * and is a negative address, try to look it | |
1027 | * up in the kernel dso, as it might be a | |
1028 | * vsyscall (which executes in user-mode): | |
1029 | */ | |
1030 | if ((long long)ip < 0) | |
1031 | dso = kernel_dso; | |
8fa66bdc | 1032 | } |
75051724 IM |
1033 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); |
1034 | ||
1035 | } else { | |
1036 | show = SHOW_HV; | |
1037 | level = 'H'; | |
1038 | dprintf(" ...... dso: [hypervisor]\n"); | |
1039 | } | |
8fa66bdc | 1040 | |
75051724 | 1041 | if (show & show_mask) { |
fc54db51 PZ |
1042 | struct symbol *sym = NULL; |
1043 | ||
1044 | if (dso) | |
1045 | sym = dso->find_symbol(dso, ip); | |
8fa66bdc | 1046 | |
ea1900e5 | 1047 | if (hist_entry__add(thread, map, dso, sym, ip, level, period)) { |
75051724 | 1048 | fprintf(stderr, |
55717314 | 1049 | "problem incrementing symbol count, skipping event\n"); |
d80d338d | 1050 | return -1; |
ce7e4365 | 1051 | } |
8fa66bdc | 1052 | } |
ea1900e5 | 1053 | total += period; |
8fa66bdc | 1054 | |
75051724 IM |
1055 | return 0; |
1056 | } | |
3502973d | 1057 | |
75051724 IM |
1058 | static int |
1059 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
1060 | { | |
1061 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1062 | struct map *map = map__new(&event->mmap); | |
1063 | ||
62fc4453 | 1064 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
1065 | (void *)(offset + head), |
1066 | (void *)(long)(event->header.size), | |
62fc4453 | 1067 | event->mmap.pid, |
75051724 IM |
1068 | (void *)(long)event->mmap.start, |
1069 | (void *)(long)event->mmap.len, | |
1070 | (void *)(long)event->mmap.pgoff, | |
1071 | event->mmap.filename); | |
1072 | ||
1073 | if (thread == NULL || map == NULL) { | |
1074 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 1075 | return 0; |
75051724 IM |
1076 | } |
1077 | ||
1078 | thread__insert_map(thread, map); | |
1079 | total_mmap++; | |
1080 | ||
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int | |
1085 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
1086 | { | |
1087 | struct thread *thread = threads__findnew(event->comm.pid); | |
1088 | ||
1089 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
1090 | (void *)(offset + head), | |
1091 | (void *)(long)(event->header.size), | |
1092 | event->comm.comm, event->comm.pid); | |
1093 | ||
1094 | if (thread == NULL || | |
1095 | thread__set_comm(thread, event->comm.comm)) { | |
1096 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
1097 | return -1; | |
8fa66bdc | 1098 | } |
75051724 IM |
1099 | total_comm++; |
1100 | ||
1101 | return 0; | |
1102 | } | |
1103 | ||
62fc4453 PZ |
1104 | static int |
1105 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | |
1106 | { | |
1107 | struct thread *thread = threads__findnew(event->fork.pid); | |
1108 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1109 | ||
1110 | dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", | |
1111 | (void *)(offset + head), | |
1112 | (void *)(long)(event->header.size), | |
1113 | event->fork.pid, event->fork.ppid); | |
1114 | ||
1115 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1116 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1117 | return -1; | |
1118 | } | |
1119 | total_fork++; | |
1120 | ||
1121 | return 0; | |
1122 | } | |
1123 | ||
b2fef076 IM |
1124 | static int |
1125 | process_period_event(event_t *event, unsigned long offset, unsigned long head) | |
1126 | { | |
1127 | dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n", | |
1128 | (void *)(offset + head), | |
1129 | (void *)(long)(event->header.size), | |
1130 | event->period.time, | |
1131 | event->period.id, | |
1132 | event->period.sample_period); | |
1133 | ||
1134 | return 0; | |
1135 | } | |
1136 | ||
8465b050 IM |
1137 | static void trace_event(event_t *event) |
1138 | { | |
1139 | unsigned char *raw_event = (void *)event; | |
3efa1cc9 | 1140 | char *color = PERF_COLOR_BLUE; |
8465b050 IM |
1141 | int i, j; |
1142 | ||
1143 | if (!dump_trace) | |
1144 | return; | |
1145 | ||
3efa1cc9 IM |
1146 | dprintf("."); |
1147 | cdprintf("\n. ... raw event: size %d bytes\n", event->header.size); | |
8465b050 IM |
1148 | |
1149 | for (i = 0; i < event->header.size; i++) { | |
3efa1cc9 IM |
1150 | if ((i & 15) == 0) { |
1151 | dprintf("."); | |
1152 | cdprintf(" %04x: ", i); | |
1153 | } | |
8465b050 | 1154 | |
3efa1cc9 | 1155 | cdprintf(" %02x", raw_event[i]); |
8465b050 IM |
1156 | |
1157 | if (((i & 15) == 15) || i == event->header.size-1) { | |
3efa1cc9 | 1158 | cdprintf(" "); |
8465b050 | 1159 | for (j = 0; j < 15-(i & 15); j++) |
3efa1cc9 | 1160 | cdprintf(" "); |
8465b050 IM |
1161 | for (j = 0; j < (i & 15); j++) { |
1162 | if (isprint(raw_event[i-15+j])) | |
3efa1cc9 | 1163 | cdprintf("%c", raw_event[i-15+j]); |
8465b050 | 1164 | else |
3efa1cc9 | 1165 | cdprintf("."); |
8465b050 | 1166 | } |
3efa1cc9 | 1167 | cdprintf("\n"); |
8465b050 IM |
1168 | } |
1169 | } | |
1170 | dprintf(".\n"); | |
1171 | } | |
1172 | ||
75051724 IM |
1173 | static int |
1174 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1175 | { | |
8465b050 IM |
1176 | trace_event(event); |
1177 | ||
75051724 IM |
1178 | if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) |
1179 | return process_overflow_event(event, offset, head); | |
1180 | ||
1181 | switch (event->header.type) { | |
1182 | case PERF_EVENT_MMAP: | |
1183 | return process_mmap_event(event, offset, head); | |
1184 | ||
1185 | case PERF_EVENT_COMM: | |
1186 | return process_comm_event(event, offset, head); | |
1187 | ||
62fc4453 PZ |
1188 | case PERF_EVENT_FORK: |
1189 | return process_fork_event(event, offset, head); | |
1190 | ||
b2fef076 IM |
1191 | case PERF_EVENT_PERIOD: |
1192 | return process_period_event(event, offset, head); | |
d11444df IM |
1193 | /* |
1194 | * We dont process them right now but they are fine: | |
1195 | */ | |
62fc4453 | 1196 | |
d11444df IM |
1197 | case PERF_EVENT_THROTTLE: |
1198 | case PERF_EVENT_UNTHROTTLE: | |
1199 | return 0; | |
1200 | ||
d80d338d IM |
1201 | default: |
1202 | return -1; | |
1203 | } | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
1208 | static int __cmd_report(void) | |
1209 | { | |
75051724 | 1210 | int ret, rc = EXIT_FAILURE; |
d80d338d IM |
1211 | unsigned long offset = 0; |
1212 | unsigned long head = 0; | |
1213 | struct stat stat; | |
d80d338d | 1214 | event_t *event; |
d80d338d | 1215 | uint32_t size; |
75051724 | 1216 | char *buf; |
d80d338d IM |
1217 | |
1218 | register_idle_thread(); | |
1219 | ||
1220 | input = open(input_name, O_RDONLY); | |
1221 | if (input < 0) { | |
a14832ff IM |
1222 | fprintf(stderr, " failed to open file: %s", input_name); |
1223 | if (!strcmp(input_name, "perf.data")) | |
1224 | fprintf(stderr, " (try 'perf record' first)"); | |
1225 | fprintf(stderr, "\n"); | |
d80d338d IM |
1226 | exit(-1); |
1227 | } | |
1228 | ||
1229 | ret = fstat(input, &stat); | |
1230 | if (ret < 0) { | |
1231 | perror("failed to stat file"); | |
1232 | exit(-1); | |
1233 | } | |
1234 | ||
1235 | if (!stat.st_size) { | |
1236 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1237 | exit(0); | |
1238 | } | |
1239 | ||
1240 | if (load_kernel() < 0) { | |
1241 | perror("failed to load kernel symbols"); | |
1242 | return EXIT_FAILURE; | |
1243 | } | |
1244 | ||
1245 | if (!full_paths) { | |
1246 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1247 | perror("failed to get the current directory"); | |
1248 | return EXIT_FAILURE; | |
1249 | } | |
1250 | cwdlen = strlen(cwd); | |
1251 | } else { | |
1252 | cwd = NULL; | |
1253 | cwdlen = 0; | |
1254 | } | |
1255 | remap: | |
1256 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1257 | MAP_SHARED, input, offset); | |
1258 | if (buf == MAP_FAILED) { | |
1259 | perror("failed to mmap file"); | |
1260 | exit(-1); | |
1261 | } | |
1262 | ||
1263 | more: | |
1264 | event = (event_t *)(buf + head); | |
1265 | ||
1266 | size = event->header.size; | |
1267 | if (!size) | |
1268 | size = 8; | |
1269 | ||
1270 | if (head + event->header.size >= page_size * mmap_window) { | |
1271 | unsigned long shift = page_size * (head / page_size); | |
1272 | int ret; | |
1273 | ||
1274 | ret = munmap(buf, page_size * mmap_window); | |
1275 | assert(ret == 0); | |
1276 | ||
1277 | offset += shift; | |
1278 | head -= shift; | |
1279 | goto remap; | |
1280 | } | |
1281 | ||
1282 | size = event->header.size; | |
1283 | ||
8465b050 | 1284 | dprintf("\n%p [%p]: event: %d\n", |
b2fef076 IM |
1285 | (void *)(offset + head), |
1286 | (void *)(long)event->header.size, | |
1287 | event->header.type); | |
1288 | ||
d80d338d IM |
1289 | if (!size || process_event(event, offset, head) < 0) { |
1290 | ||
3502973d IM |
1291 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1292 | (void *)(offset + head), | |
1293 | (void *)(long)(event->header.size), | |
1294 | event->header.type); | |
b7a16eac | 1295 | |
3e706114 | 1296 | total_unknown++; |
6142f9ec PZ |
1297 | |
1298 | /* | |
1299 | * assume we lost track of the stream, check alignment, and | |
1300 | * increment a single u64 in the hope to catch on again 'soon'. | |
1301 | */ | |
1302 | ||
1303 | if (unlikely(head & 7)) | |
1304 | head &= ~7ULL; | |
1305 | ||
1306 | size = 8; | |
97b07b69 | 1307 | } |
8fa66bdc | 1308 | |
6142f9ec | 1309 | head += size; |
f49515b1 | 1310 | |
8fa66bdc ACM |
1311 | if (offset + head < stat.st_size) |
1312 | goto more; | |
1313 | ||
1314 | rc = EXIT_SUCCESS; | |
8fa66bdc | 1315 | close(input); |
97b07b69 | 1316 | |
3502973d IM |
1317 | dprintf(" IP events: %10ld\n", total); |
1318 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1319 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1320 | dprintf(" fork events: %10ld\n", total_fork); |
3502973d | 1321 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1322 | |
3502973d | 1323 | if (dump_trace) |
97b07b69 | 1324 | return 0; |
97b07b69 | 1325 | |
9ac99545 ACM |
1326 | if (verbose >= 3) |
1327 | threads__fprintf(stdout); | |
1328 | ||
e7fb08b1 | 1329 | if (verbose >= 2) |
16f762a2 | 1330 | dsos__fprintf(stdout); |
16f762a2 | 1331 | |
8229289b | 1332 | collapse__resort(); |
e7fb08b1 PZ |
1333 | output__resort(); |
1334 | output__fprintf(stdout, total); | |
8fa66bdc | 1335 | |
8fa66bdc ACM |
1336 | return rc; |
1337 | } | |
1338 | ||
53cb8bc2 IM |
1339 | static const char * const report_usage[] = { |
1340 | "perf report [<options>] <command>", | |
1341 | NULL | |
1342 | }; | |
1343 | ||
1344 | static const struct option options[] = { | |
1345 | OPT_STRING('i', "input", &input_name, "file", | |
1346 | "input file name"), | |
815e777f ACM |
1347 | OPT_BOOLEAN('v', "verbose", &verbose, |
1348 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1349 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1350 | "dump raw trace in ASCII"), | |
450aaa2b | 1351 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
63299f05 IM |
1352 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
1353 | "sort by key(s): pid, comm, dso, symbol. Default: pid,symbol"), | |
b78c07d4 ACM |
1354 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1355 | "Don't shorten the pathnames taking into account the cwd"), | |
3dfabc74 IM |
1356 | OPT_BOOLEAN('S', "syscalls", &collapse_syscalls, |
1357 | "show per syscall summary overhead, using call graph"), | |
53cb8bc2 IM |
1358 | OPT_END() |
1359 | }; | |
1360 | ||
5352f35d IM |
1361 | static void setup_sorting(void) |
1362 | { | |
1363 | char *tmp, *tok, *str = strdup(sort_order); | |
1364 | ||
1365 | for (tok = strtok_r(str, ", ", &tmp); | |
1366 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1367 | if (sort_dimension__add(tok) < 0) { | |
1368 | error("Unknown --sort key: `%s'", tok); | |
1369 | usage_with_options(report_usage, options); | |
1370 | } | |
1371 | } | |
1372 | ||
1373 | free(str); | |
1374 | } | |
1375 | ||
53cb8bc2 IM |
1376 | int cmd_report(int argc, const char **argv, const char *prefix) |
1377 | { | |
a2928c42 | 1378 | symbol__init(); |
53cb8bc2 IM |
1379 | |
1380 | page_size = getpagesize(); | |
1381 | ||
edc52dea | 1382 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 1383 | |
1aa16738 PZ |
1384 | setup_sorting(); |
1385 | ||
edc52dea IM |
1386 | /* |
1387 | * Any (unrecognized) arguments left? | |
1388 | */ | |
1389 | if (argc) | |
1390 | usage_with_options(report_usage, options); | |
1391 | ||
a930d2c0 IM |
1392 | setup_pager(); |
1393 | ||
53cb8bc2 IM |
1394 | return __cmd_report(); |
1395 | } |