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 IM |
38 | #define dprintf(x...) do { if (dump_trace) printf(x); } while (0) |
39 | ||
16f762a2 | 40 | static int verbose; |
b78c07d4 | 41 | static int full_paths; |
97b07b69 | 42 | |
8fa66bdc ACM |
43 | static unsigned long page_size; |
44 | static unsigned long mmap_window = 32; | |
45 | ||
8fa66bdc ACM |
46 | struct ip_event { |
47 | struct perf_event_header header; | |
48 | __u64 ip; | |
49 | __u32 pid, tid; | |
50 | }; | |
75051724 | 51 | |
8fa66bdc ACM |
52 | struct mmap_event { |
53 | struct perf_event_header header; | |
54 | __u32 pid, tid; | |
55 | __u64 start; | |
56 | __u64 len; | |
57 | __u64 pgoff; | |
58 | char filename[PATH_MAX]; | |
59 | }; | |
75051724 | 60 | |
8fa66bdc ACM |
61 | struct comm_event { |
62 | struct perf_event_header header; | |
75051724 | 63 | __u32 pid, tid; |
8fa66bdc ACM |
64 | char comm[16]; |
65 | }; | |
66 | ||
62fc4453 PZ |
67 | struct fork_event { |
68 | struct perf_event_header header; | |
69 | __u32 pid, ppid; | |
70 | }; | |
71 | ||
b2fef076 | 72 | struct period_event { |
8fa66bdc | 73 | struct perf_event_header header; |
b2fef076 IM |
74 | __u64 time; |
75 | __u64 id; | |
76 | __u64 sample_period; | |
77 | }; | |
78 | ||
79 | typedef union event_union { | |
80 | struct perf_event_header header; | |
81 | struct ip_event ip; | |
82 | struct mmap_event mmap; | |
83 | struct comm_event comm; | |
84 | struct fork_event fork; | |
85 | struct period_event period; | |
8fa66bdc ACM |
86 | } event_t; |
87 | ||
8fa66bdc ACM |
88 | static LIST_HEAD(dsos); |
89 | static struct dso *kernel_dso; | |
fc54db51 | 90 | static struct dso *vdso; |
8fa66bdc ACM |
91 | |
92 | static void dsos__add(struct dso *dso) | |
93 | { | |
94 | list_add_tail(&dso->node, &dsos); | |
95 | } | |
96 | ||
97 | static struct dso *dsos__find(const char *name) | |
98 | { | |
99 | struct dso *pos; | |
100 | ||
101 | list_for_each_entry(pos, &dsos, node) | |
102 | if (strcmp(pos->name, name) == 0) | |
103 | return pos; | |
104 | return NULL; | |
105 | } | |
106 | ||
107 | static struct dso *dsos__findnew(const char *name) | |
108 | { | |
109 | struct dso *dso = dsos__find(name); | |
b7a16eac | 110 | int nr; |
8fa66bdc | 111 | |
4593bba8 IM |
112 | if (dso) |
113 | return dso; | |
114 | ||
115 | dso = dso__new(name, 0); | |
116 | if (!dso) | |
117 | goto out_delete_dso; | |
8fa66bdc | 118 | |
bd74137e | 119 | nr = dso__load(dso, NULL, verbose); |
4593bba8 | 120 | if (nr < 0) { |
bd74137e IM |
121 | if (verbose) |
122 | fprintf(stderr, "Failed to open: %s\n", name); | |
4593bba8 | 123 | goto out_delete_dso; |
8fa66bdc | 124 | } |
4593bba8 IM |
125 | if (!nr && verbose) { |
126 | fprintf(stderr, | |
127 | "No symbols found in: %s, maybe install a debug package?\n", | |
128 | name); | |
129 | } | |
130 | ||
131 | dsos__add(dso); | |
8fa66bdc ACM |
132 | |
133 | return dso; | |
134 | ||
135 | out_delete_dso: | |
136 | dso__delete(dso); | |
137 | return NULL; | |
138 | } | |
139 | ||
16f762a2 | 140 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
141 | { |
142 | struct dso *pos; | |
143 | ||
144 | list_for_each_entry(pos, &dsos, node) | |
145 | dso__fprintf(pos, fp); | |
146 | } | |
147 | ||
fc54db51 PZ |
148 | static struct symbol *vdso__find_symbol(struct dso *dso, uint64_t ip) |
149 | { | |
150 | return dso__find_symbol(kernel_dso, ip); | |
151 | } | |
152 | ||
450aaa2b PZ |
153 | static int load_kernel(void) |
154 | { | |
a827c875 | 155 | int err; |
450aaa2b | 156 | |
0085c954 | 157 | kernel_dso = dso__new("[kernel]", 0); |
450aaa2b | 158 | if (!kernel_dso) |
a2928c42 | 159 | return -1; |
450aaa2b | 160 | |
bd74137e | 161 | err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); |
a2928c42 ACM |
162 | if (err) { |
163 | dso__delete(kernel_dso); | |
164 | kernel_dso = NULL; | |
165 | } else | |
166 | dsos__add(kernel_dso); | |
450aaa2b | 167 | |
fc54db51 PZ |
168 | vdso = dso__new("[vdso]", 0); |
169 | if (!vdso) | |
170 | return -1; | |
171 | ||
172 | vdso->find_symbol = vdso__find_symbol; | |
173 | ||
174 | dsos__add(vdso); | |
175 | ||
a2928c42 | 176 | return err; |
450aaa2b PZ |
177 | } |
178 | ||
d80d338d IM |
179 | static char __cwd[PATH_MAX]; |
180 | static char *cwd = __cwd; | |
181 | static int cwdlen; | |
182 | ||
183 | static int strcommon(const char *pathname) | |
b78c07d4 ACM |
184 | { |
185 | int n = 0; | |
186 | ||
187 | while (pathname[n] == cwd[n] && n < cwdlen) | |
188 | ++n; | |
189 | ||
190 | return n; | |
191 | } | |
192 | ||
8fa66bdc ACM |
193 | struct map { |
194 | struct list_head node; | |
195 | uint64_t start; | |
196 | uint64_t end; | |
197 | uint64_t pgoff; | |
fc54db51 | 198 | uint64_t (*map_ip)(struct map *, uint64_t); |
8fa66bdc ACM |
199 | struct dso *dso; |
200 | }; | |
201 | ||
fc54db51 PZ |
202 | static uint64_t map__map_ip(struct map *map, uint64_t ip) |
203 | { | |
204 | return ip - map->start + map->pgoff; | |
205 | } | |
206 | ||
207 | static uint64_t vdso__map_ip(struct map *map, uint64_t ip) | |
208 | { | |
209 | return ip; | |
210 | } | |
211 | ||
80d496be PE |
212 | static inline int is_anon_memory(const char *filename) |
213 | { | |
214 | return strcmp(filename, "//anon") == 0; | |
215 | } | |
216 | ||
d80d338d | 217 | static struct map *map__new(struct mmap_event *event) |
8fa66bdc ACM |
218 | { |
219 | struct map *self = malloc(sizeof(*self)); | |
220 | ||
221 | if (self != NULL) { | |
b78c07d4 ACM |
222 | const char *filename = event->filename; |
223 | char newfilename[PATH_MAX]; | |
80d496be | 224 | int anon; |
b78c07d4 ACM |
225 | |
226 | if (cwd) { | |
d80d338d IM |
227 | int n = strcommon(filename); |
228 | ||
b78c07d4 ACM |
229 | if (n == cwdlen) { |
230 | snprintf(newfilename, sizeof(newfilename), | |
231 | ".%s", filename + n); | |
232 | filename = newfilename; | |
233 | } | |
234 | } | |
235 | ||
80d496be PE |
236 | anon = is_anon_memory(filename); |
237 | ||
238 | if (anon) { | |
239 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid); | |
240 | filename = newfilename; | |
241 | } | |
242 | ||
8fa66bdc ACM |
243 | self->start = event->start; |
244 | self->end = event->start + event->len; | |
245 | self->pgoff = event->pgoff; | |
246 | ||
b78c07d4 | 247 | self->dso = dsos__findnew(filename); |
8fa66bdc ACM |
248 | if (self->dso == NULL) |
249 | goto out_delete; | |
fc54db51 | 250 | |
80d496be | 251 | if (self->dso == vdso || anon) |
fc54db51 PZ |
252 | self->map_ip = vdso__map_ip; |
253 | else | |
254 | self->map_ip = map__map_ip; | |
8fa66bdc ACM |
255 | } |
256 | return self; | |
257 | out_delete: | |
258 | free(self); | |
259 | return NULL; | |
260 | } | |
261 | ||
62fc4453 PZ |
262 | static struct map *map__clone(struct map *self) |
263 | { | |
264 | struct map *map = malloc(sizeof(*self)); | |
265 | ||
266 | if (!map) | |
267 | return NULL; | |
268 | ||
269 | memcpy(map, self, sizeof(*self)); | |
270 | ||
271 | return map; | |
272 | } | |
273 | ||
274 | static int map__overlap(struct map *l, struct map *r) | |
275 | { | |
276 | if (l->start > r->start) { | |
277 | struct map *t = l; | |
278 | l = r; | |
279 | r = t; | |
280 | } | |
281 | ||
282 | if (l->end > r->start) | |
283 | return 1; | |
284 | ||
285 | return 0; | |
286 | } | |
3a4b8cc7 | 287 | |
9ac99545 ACM |
288 | static size_t map__fprintf(struct map *self, FILE *fp) |
289 | { | |
ee7b31fe | 290 | return fprintf(fp, " %"PRIx64"-%"PRIx64" %"PRIx64" %s\n", |
9ac99545 ACM |
291 | self->start, self->end, self->pgoff, self->dso->name); |
292 | } | |
293 | ||
294 | ||
8fa66bdc | 295 | struct thread { |
ce7e4365 | 296 | struct rb_node rb_node; |
8fa66bdc | 297 | struct list_head maps; |
8fa66bdc ACM |
298 | pid_t pid; |
299 | char *comm; | |
300 | }; | |
301 | ||
302 | static struct thread *thread__new(pid_t pid) | |
303 | { | |
304 | struct thread *self = malloc(sizeof(*self)); | |
305 | ||
306 | if (self != NULL) { | |
307 | self->pid = pid; | |
8229289b | 308 | self->comm = malloc(32); |
0a520c63 | 309 | if (self->comm) |
8229289b | 310 | snprintf(self->comm, 32, ":%d", self->pid); |
8fa66bdc | 311 | INIT_LIST_HEAD(&self->maps); |
8fa66bdc ACM |
312 | } |
313 | ||
314 | return self; | |
315 | } | |
316 | ||
8fa66bdc ACM |
317 | static int thread__set_comm(struct thread *self, const char *comm) |
318 | { | |
8229289b PZ |
319 | if (self->comm) |
320 | free(self->comm); | |
8fa66bdc ACM |
321 | self->comm = strdup(comm); |
322 | return self->comm ? 0 : -ENOMEM; | |
323 | } | |
324 | ||
9ac99545 ACM |
325 | static size_t thread__fprintf(struct thread *self, FILE *fp) |
326 | { | |
327 | struct map *pos; | |
328 | size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); | |
329 | ||
330 | list_for_each_entry(pos, &self->maps, node) | |
331 | ret += map__fprintf(pos, fp); | |
332 | ||
333 | return ret; | |
334 | } | |
335 | ||
336 | ||
16f762a2 | 337 | static struct rb_root threads; |
eed4dcd4 | 338 | static struct thread *last_match; |
8fa66bdc | 339 | |
ce7e4365 | 340 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 341 | { |
ce7e4365 ACM |
342 | struct rb_node **p = &threads.rb_node; |
343 | struct rb_node *parent = NULL; | |
344 | struct thread *th; | |
8fa66bdc | 345 | |
eed4dcd4 IM |
346 | /* |
347 | * Font-end cache - PID lookups come in blocks, | |
348 | * so most of the time we dont have to look up | |
349 | * the full rbtree: | |
350 | */ | |
351 | if (last_match && last_match->pid == pid) | |
352 | return last_match; | |
353 | ||
ce7e4365 ACM |
354 | while (*p != NULL) { |
355 | parent = *p; | |
356 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 357 | |
eed4dcd4 IM |
358 | if (th->pid == pid) { |
359 | last_match = th; | |
ce7e4365 | 360 | return th; |
eed4dcd4 | 361 | } |
8fa66bdc | 362 | |
ce7e4365 ACM |
363 | if (pid < th->pid) |
364 | p = &(*p)->rb_left; | |
365 | else | |
366 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
367 | } |
368 | ||
ce7e4365 ACM |
369 | th = thread__new(pid); |
370 | if (th != NULL) { | |
371 | rb_link_node(&th->rb_node, parent, p); | |
372 | rb_insert_color(&th->rb_node, &threads); | |
eed4dcd4 | 373 | last_match = th; |
ce7e4365 | 374 | } |
eed4dcd4 | 375 | |
ce7e4365 | 376 | return th; |
8fa66bdc ACM |
377 | } |
378 | ||
379 | static void thread__insert_map(struct thread *self, struct map *map) | |
380 | { | |
62fc4453 PZ |
381 | struct map *pos, *tmp; |
382 | ||
383 | list_for_each_entry_safe(pos, tmp, &self->maps, node) { | |
384 | if (map__overlap(pos, map)) { | |
385 | list_del_init(&pos->node); | |
386 | /* XXX leaks dsos */ | |
387 | free(pos); | |
388 | } | |
389 | } | |
390 | ||
8fa66bdc ACM |
391 | list_add_tail(&map->node, &self->maps); |
392 | } | |
393 | ||
62fc4453 PZ |
394 | static int thread__fork(struct thread *self, struct thread *parent) |
395 | { | |
396 | struct map *map; | |
397 | ||
398 | if (self->comm) | |
399 | free(self->comm); | |
400 | self->comm = strdup(parent->comm); | |
401 | if (!self->comm) | |
402 | return -ENOMEM; | |
403 | ||
404 | list_for_each_entry(map, &parent->maps, node) { | |
405 | struct map *new = map__clone(map); | |
406 | if (!new) | |
407 | return -ENOMEM; | |
408 | thread__insert_map(self, new); | |
409 | } | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
8fa66bdc ACM |
414 | static struct map *thread__find_map(struct thread *self, uint64_t ip) |
415 | { | |
16f762a2 IM |
416 | struct map *pos; |
417 | ||
8fa66bdc ACM |
418 | if (self == NULL) |
419 | return NULL; | |
420 | ||
8fa66bdc ACM |
421 | list_for_each_entry(pos, &self->maps, node) |
422 | if (ip >= pos->start && ip <= pos->end) | |
423 | return pos; | |
424 | ||
425 | return NULL; | |
426 | } | |
427 | ||
9ac99545 ACM |
428 | static size_t threads__fprintf(FILE *fp) |
429 | { | |
430 | size_t ret = 0; | |
431 | struct rb_node *nd; | |
432 | ||
433 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
434 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
435 | ||
436 | ret += thread__fprintf(pos, fp); | |
437 | } | |
438 | ||
439 | return ret; | |
440 | } | |
441 | ||
e7fb08b1 PZ |
442 | /* |
443 | * histogram, sorted on item, collects counts | |
444 | */ | |
445 | ||
446 | static struct rb_root hist; | |
447 | ||
448 | struct hist_entry { | |
449 | struct rb_node rb_node; | |
450 | ||
451 | struct thread *thread; | |
452 | struct map *map; | |
453 | struct dso *dso; | |
454 | struct symbol *sym; | |
455 | uint64_t ip; | |
456 | char level; | |
457 | ||
458 | uint32_t count; | |
459 | }; | |
460 | ||
1aa16738 PZ |
461 | /* |
462 | * configurable sorting bits | |
463 | */ | |
464 | ||
465 | struct sort_entry { | |
466 | struct list_head list; | |
467 | ||
ca8cdeef PZ |
468 | char *header; |
469 | ||
1aa16738 | 470 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 471 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
1aa16738 PZ |
472 | size_t (*print)(FILE *fp, struct hist_entry *); |
473 | }; | |
474 | ||
8229289b PZ |
475 | /* --sort pid */ |
476 | ||
e7fb08b1 | 477 | static int64_t |
1aa16738 | 478 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 479 | { |
1aa16738 PZ |
480 | return right->thread->pid - left->thread->pid; |
481 | } | |
482 | ||
483 | static size_t | |
484 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
485 | { | |
71dd8945 | 486 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 487 | } |
e7fb08b1 | 488 | |
1aa16738 | 489 | static struct sort_entry sort_thread = { |
71dd8945 | 490 | .header = " Command: Pid", |
1aa16738 PZ |
491 | .cmp = sort__thread_cmp, |
492 | .print = sort__thread_print, | |
493 | }; | |
494 | ||
8229289b PZ |
495 | /* --sort comm */ |
496 | ||
992444b1 PZ |
497 | static int64_t |
498 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
499 | { |
500 | return right->thread->pid - left->thread->pid; | |
501 | } | |
502 | ||
503 | static int64_t | |
504 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
505 | { |
506 | char *comm_l = left->thread->comm; | |
507 | char *comm_r = right->thread->comm; | |
508 | ||
509 | if (!comm_l || !comm_r) { | |
510 | if (!comm_l && !comm_r) | |
511 | return 0; | |
512 | else if (!comm_l) | |
513 | return -1; | |
514 | else | |
515 | return 1; | |
516 | } | |
517 | ||
518 | return strcmp(comm_l, comm_r); | |
519 | } | |
520 | ||
521 | static size_t | |
522 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
523 | { | |
71dd8945 | 524 | return fprintf(fp, "%16s", self->thread->comm); |
992444b1 PZ |
525 | } |
526 | ||
527 | static struct sort_entry sort_comm = { | |
8edd4286 | 528 | .header = " Command", |
8229289b PZ |
529 | .cmp = sort__comm_cmp, |
530 | .collapse = sort__comm_collapse, | |
531 | .print = sort__comm_print, | |
992444b1 PZ |
532 | }; |
533 | ||
8229289b PZ |
534 | /* --sort dso */ |
535 | ||
55e5ec41 PZ |
536 | static int64_t |
537 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
538 | { | |
539 | struct dso *dso_l = left->dso; | |
540 | struct dso *dso_r = right->dso; | |
541 | ||
542 | if (!dso_l || !dso_r) { | |
543 | if (!dso_l && !dso_r) | |
544 | return 0; | |
545 | else if (!dso_l) | |
546 | return -1; | |
547 | else | |
548 | return 1; | |
549 | } | |
550 | ||
551 | return strcmp(dso_l->name, dso_r->name); | |
552 | } | |
553 | ||
554 | static size_t | |
555 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
556 | { | |
0a520c63 | 557 | if (self->dso) |
71dd8945 | 558 | return fprintf(fp, "%-25s", self->dso->name); |
0a520c63 | 559 | |
71dd8945 | 560 | return fprintf(fp, "%016llx ", (__u64)self->ip); |
55e5ec41 PZ |
561 | } |
562 | ||
563 | static struct sort_entry sort_dso = { | |
71dd8945 | 564 | .header = "Shared Object ", |
55e5ec41 PZ |
565 | .cmp = sort__dso_cmp, |
566 | .print = sort__dso_print, | |
567 | }; | |
568 | ||
8229289b PZ |
569 | /* --sort symbol */ |
570 | ||
1aa16738 PZ |
571 | static int64_t |
572 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
573 | { | |
574 | uint64_t ip_l, ip_r; | |
e7fb08b1 PZ |
575 | |
576 | if (left->sym == right->sym) | |
577 | return 0; | |
578 | ||
579 | ip_l = left->sym ? left->sym->start : left->ip; | |
580 | ip_r = right->sym ? right->sym->start : right->ip; | |
581 | ||
582 | return (int64_t)(ip_r - ip_l); | |
583 | } | |
584 | ||
1aa16738 PZ |
585 | static size_t |
586 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
587 | { | |
588 | size_t ret = 0; | |
589 | ||
1aa16738 | 590 | if (verbose) |
71dd8945 | 591 | ret += fprintf(fp, "%#018llx ", (__u64)self->ip); |
0a520c63 | 592 | |
8edd4286 IM |
593 | if (self->sym) { |
594 | ret += fprintf(fp, "[%c] %s", | |
595 | self->dso == kernel_dso ? 'k' : '.', self->sym->name); | |
596 | } else { | |
71dd8945 | 597 | ret += fprintf(fp, "%#016llx", (__u64)self->ip); |
8edd4286 | 598 | } |
1aa16738 PZ |
599 | |
600 | return ret; | |
601 | } | |
602 | ||
603 | static struct sort_entry sort_sym = { | |
71dd8945 | 604 | .header = "Symbol", |
ca8cdeef PZ |
605 | .cmp = sort__sym_cmp, |
606 | .print = sort__sym_print, | |
1aa16738 PZ |
607 | }; |
608 | ||
8229289b PZ |
609 | static int sort__need_collapse = 0; |
610 | ||
37f440cb | 611 | struct sort_dimension { |
8edd4286 IM |
612 | char *name; |
613 | struct sort_entry *entry; | |
614 | int taken; | |
37f440cb PZ |
615 | }; |
616 | ||
617 | static struct sort_dimension sort_dimensions[] = { | |
618 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 619 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 620 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb PZ |
621 | { .name = "symbol", .entry = &sort_sym, }, |
622 | }; | |
623 | ||
1aa16738 PZ |
624 | static LIST_HEAD(hist_entry__sort_list); |
625 | ||
37f440cb PZ |
626 | static int sort_dimension__add(char *tok) |
627 | { | |
628 | int i; | |
629 | ||
630 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
631 | struct sort_dimension *sd = &sort_dimensions[i]; | |
632 | ||
633 | if (sd->taken) | |
634 | continue; | |
635 | ||
5352f35d | 636 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
637 | continue; |
638 | ||
8229289b PZ |
639 | if (sd->entry->collapse) |
640 | sort__need_collapse = 1; | |
641 | ||
37f440cb PZ |
642 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
643 | sd->taken = 1; | |
5352f35d | 644 | |
37f440cb PZ |
645 | return 0; |
646 | } | |
647 | ||
648 | return -ESRCH; | |
649 | } | |
650 | ||
1aa16738 PZ |
651 | static int64_t |
652 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
653 | { | |
654 | struct sort_entry *se; | |
655 | int64_t cmp = 0; | |
656 | ||
657 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
658 | cmp = se->cmp(left, right); | |
659 | if (cmp) | |
660 | break; | |
661 | } | |
662 | ||
663 | return cmp; | |
664 | } | |
665 | ||
8229289b PZ |
666 | static int64_t |
667 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
668 | { | |
669 | struct sort_entry *se; | |
670 | int64_t cmp = 0; | |
671 | ||
672 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
673 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
674 | ||
675 | f = se->collapse ?: se->cmp; | |
676 | ||
677 | cmp = f(left, right); | |
678 | if (cmp) | |
679 | break; | |
680 | } | |
681 | ||
682 | return cmp; | |
683 | } | |
684 | ||
1aa16738 PZ |
685 | static size_t |
686 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, uint64_t total_samples) | |
687 | { | |
688 | struct sort_entry *se; | |
689 | size_t ret; | |
690 | ||
691 | if (total_samples) { | |
8fc0321f IM |
692 | double percent = self->count * 100.0 / total_samples; |
693 | char *color = PERF_COLOR_NORMAL; | |
694 | ||
695 | /* | |
aefcf37b IM |
696 | * We color high-overhead entries in red, mid-overhead |
697 | * entries in green - and keep the low overhead places | |
698 | * normal: | |
8fc0321f | 699 | */ |
aefcf37b | 700 | if (percent >= 5.0) { |
8fc0321f | 701 | color = PERF_COLOR_RED; |
aefcf37b IM |
702 | } else { |
703 | if (percent >= 0.5) | |
704 | color = PERF_COLOR_GREEN; | |
705 | } | |
8fc0321f IM |
706 | |
707 | ret = color_fprintf(fp, color, " %6.2f%%", | |
1aa16738 PZ |
708 | (self->count * 100.0) / total_samples); |
709 | } else | |
710 | ret = fprintf(fp, "%12d ", self->count); | |
711 | ||
71dd8945 PZ |
712 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
713 | fprintf(fp, " "); | |
1aa16738 | 714 | ret += se->print(fp, self); |
71dd8945 | 715 | } |
1aa16738 PZ |
716 | |
717 | ret += fprintf(fp, "\n"); | |
718 | ||
719 | return ret; | |
720 | } | |
721 | ||
722 | /* | |
723 | * collect histogram counts | |
724 | */ | |
725 | ||
e7fb08b1 PZ |
726 | static int |
727 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
728 | struct symbol *sym, uint64_t ip, char level) | |
8fa66bdc | 729 | { |
e7fb08b1 PZ |
730 | struct rb_node **p = &hist.rb_node; |
731 | struct rb_node *parent = NULL; | |
732 | struct hist_entry *he; | |
733 | struct hist_entry entry = { | |
734 | .thread = thread, | |
735 | .map = map, | |
736 | .dso = dso, | |
737 | .sym = sym, | |
738 | .ip = ip, | |
739 | .level = level, | |
740 | .count = 1, | |
741 | }; | |
742 | int cmp; | |
743 | ||
744 | while (*p != NULL) { | |
745 | parent = *p; | |
746 | he = rb_entry(parent, struct hist_entry, rb_node); | |
747 | ||
748 | cmp = hist_entry__cmp(&entry, he); | |
749 | ||
750 | if (!cmp) { | |
751 | he->count++; | |
752 | return 0; | |
753 | } | |
754 | ||
755 | if (cmp < 0) | |
756 | p = &(*p)->rb_left; | |
757 | else | |
758 | p = &(*p)->rb_right; | |
ce7e4365 | 759 | } |
e7fb08b1 PZ |
760 | |
761 | he = malloc(sizeof(*he)); | |
762 | if (!he) | |
763 | return -ENOMEM; | |
764 | *he = entry; | |
765 | rb_link_node(&he->rb_node, parent, p); | |
766 | rb_insert_color(&he->rb_node, &hist); | |
767 | ||
768 | return 0; | |
8fa66bdc ACM |
769 | } |
770 | ||
8229289b PZ |
771 | static void hist_entry__free(struct hist_entry *he) |
772 | { | |
773 | free(he); | |
774 | } | |
775 | ||
776 | /* | |
777 | * collapse the histogram | |
778 | */ | |
779 | ||
780 | static struct rb_root collapse_hists; | |
781 | ||
782 | static void collapse__insert_entry(struct hist_entry *he) | |
783 | { | |
784 | struct rb_node **p = &collapse_hists.rb_node; | |
785 | struct rb_node *parent = NULL; | |
786 | struct hist_entry *iter; | |
787 | int64_t cmp; | |
788 | ||
789 | while (*p != NULL) { | |
790 | parent = *p; | |
791 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
792 | ||
793 | cmp = hist_entry__collapse(iter, he); | |
794 | ||
795 | if (!cmp) { | |
796 | iter->count += he->count; | |
797 | hist_entry__free(he); | |
798 | return; | |
799 | } | |
800 | ||
801 | if (cmp < 0) | |
802 | p = &(*p)->rb_left; | |
803 | else | |
804 | p = &(*p)->rb_right; | |
805 | } | |
806 | ||
807 | rb_link_node(&he->rb_node, parent, p); | |
808 | rb_insert_color(&he->rb_node, &collapse_hists); | |
809 | } | |
810 | ||
811 | static void collapse__resort(void) | |
812 | { | |
813 | struct rb_node *next; | |
814 | struct hist_entry *n; | |
815 | ||
816 | if (!sort__need_collapse) | |
817 | return; | |
818 | ||
819 | next = rb_first(&hist); | |
820 | while (next) { | |
821 | n = rb_entry(next, struct hist_entry, rb_node); | |
822 | next = rb_next(&n->rb_node); | |
823 | ||
824 | rb_erase(&n->rb_node, &hist); | |
825 | collapse__insert_entry(n); | |
826 | } | |
827 | } | |
828 | ||
e7fb08b1 PZ |
829 | /* |
830 | * reverse the map, sort on count. | |
831 | */ | |
832 | ||
833 | static struct rb_root output_hists; | |
834 | ||
835 | static void output__insert_entry(struct hist_entry *he) | |
3a4b8cc7 | 836 | { |
e7fb08b1 | 837 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 838 | struct rb_node *parent = NULL; |
e7fb08b1 | 839 | struct hist_entry *iter; |
3a4b8cc7 ACM |
840 | |
841 | while (*p != NULL) { | |
842 | parent = *p; | |
e7fb08b1 | 843 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 844 | |
e7fb08b1 | 845 | if (he->count > iter->count) |
3a4b8cc7 ACM |
846 | p = &(*p)->rb_left; |
847 | else | |
848 | p = &(*p)->rb_right; | |
849 | } | |
850 | ||
e7fb08b1 PZ |
851 | rb_link_node(&he->rb_node, parent, p); |
852 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
853 | } |
854 | ||
e7fb08b1 | 855 | static void output__resort(void) |
3a4b8cc7 | 856 | { |
8229289b | 857 | struct rb_node *next; |
e7fb08b1 | 858 | struct hist_entry *n; |
a4c43bea | 859 | struct rb_root *tree = &hist; |
3a4b8cc7 | 860 | |
8229289b | 861 | if (sort__need_collapse) |
a4c43bea ACM |
862 | tree = &collapse_hists; |
863 | ||
864 | next = rb_first(tree); | |
8229289b | 865 | |
e7fb08b1 PZ |
866 | while (next) { |
867 | n = rb_entry(next, struct hist_entry, rb_node); | |
868 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 869 | |
a4c43bea | 870 | rb_erase(&n->rb_node, tree); |
e7fb08b1 | 871 | output__insert_entry(n); |
3a4b8cc7 ACM |
872 | } |
873 | } | |
874 | ||
e7fb08b1 | 875 | static size_t output__fprintf(FILE *fp, uint64_t total_samples) |
3a4b8cc7 | 876 | { |
e7fb08b1 | 877 | struct hist_entry *pos; |
2d65537e | 878 | struct sort_entry *se; |
3a4b8cc7 ACM |
879 | struct rb_node *nd; |
880 | size_t ret = 0; | |
881 | ||
71dd8945 | 882 | fprintf(fp, "\n"); |
05ca061e | 883 | fprintf(fp, "#\n"); |
2debbc83 | 884 | fprintf(fp, "# (%Ld samples)\n", (__u64)total_samples); |
ca8cdeef PZ |
885 | fprintf(fp, "#\n"); |
886 | ||
887 | fprintf(fp, "# Overhead"); | |
888 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
71dd8945 | 889 | fprintf(fp, " %s", se->header); |
ca8cdeef PZ |
890 | fprintf(fp, "\n"); |
891 | ||
892 | fprintf(fp, "# ........"); | |
2d65537e | 893 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
ca8cdeef PZ |
894 | int i; |
895 | ||
4593bba8 | 896 | fprintf(fp, " "); |
71dd8945 | 897 | for (i = 0; i < strlen(se->header); i++) |
ca8cdeef | 898 | fprintf(fp, "."); |
2d65537e | 899 | } |
ca8cdeef PZ |
900 | fprintf(fp, "\n"); |
901 | ||
902 | fprintf(fp, "#\n"); | |
2d65537e | 903 | |
e7fb08b1 PZ |
904 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
905 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
906 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
907 | } |
908 | ||
bd74137e IM |
909 | if (!strcmp(sort_order, default_sort_order)) { |
910 | fprintf(fp, "#\n"); | |
71dd8945 | 911 | fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); |
bd74137e IM |
912 | fprintf(fp, "#\n"); |
913 | } | |
71dd8945 | 914 | fprintf(fp, "\n"); |
bd74137e | 915 | |
3a4b8cc7 ACM |
916 | return ret; |
917 | } | |
918 | ||
436224a6 PZ |
919 | static void register_idle_thread(void) |
920 | { | |
921 | struct thread *thread = threads__findnew(0); | |
922 | ||
923 | if (thread == NULL || | |
924 | thread__set_comm(thread, "[idle]")) { | |
925 | fprintf(stderr, "problem inserting idle task.\n"); | |
926 | exit(-1); | |
927 | } | |
928 | } | |
929 | ||
62fc4453 PZ |
930 | static unsigned long total = 0, |
931 | total_mmap = 0, | |
932 | total_comm = 0, | |
933 | total_fork = 0, | |
934 | total_unknown = 0; | |
e7fb08b1 | 935 | |
d80d338d | 936 | static int |
75051724 IM |
937 | process_overflow_event(event_t *event, unsigned long offset, unsigned long head) |
938 | { | |
939 | char level; | |
940 | int show = 0; | |
941 | struct dso *dso = NULL; | |
942 | struct thread *thread = threads__findnew(event->ip.pid); | |
943 | uint64_t ip = event->ip.ip; | |
944 | struct map *map = NULL; | |
945 | ||
946 | dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", | |
947 | (void *)(offset + head), | |
948 | (void *)(long)(event->header.size), | |
949 | event->header.misc, | |
950 | event->ip.pid, | |
951 | (void *)(long)ip); | |
952 | ||
953 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); | |
954 | ||
955 | if (thread == NULL) { | |
956 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
957 | event->header.type); | |
958 | return -1; | |
959 | } | |
e7fb08b1 | 960 | |
75051724 IM |
961 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { |
962 | show = SHOW_KERNEL; | |
963 | level = 'k'; | |
e7fb08b1 | 964 | |
75051724 | 965 | dso = kernel_dso; |
ed966aac | 966 | |
75051724 | 967 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 968 | |
75051724 | 969 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
16f762a2 | 970 | |
75051724 IM |
971 | show = SHOW_USER; |
972 | level = '.'; | |
e7fb08b1 | 973 | |
75051724 IM |
974 | map = thread__find_map(thread, ip); |
975 | if (map != NULL) { | |
fc54db51 | 976 | ip = map->map_ip(map, ip); |
75051724 | 977 | dso = map->dso; |
8fa66bdc | 978 | } else { |
75051724 IM |
979 | /* |
980 | * If this is outside of all known maps, | |
981 | * and is a negative address, try to look it | |
982 | * up in the kernel dso, as it might be a | |
983 | * vsyscall (which executes in user-mode): | |
984 | */ | |
985 | if ((long long)ip < 0) | |
986 | dso = kernel_dso; | |
8fa66bdc | 987 | } |
75051724 IM |
988 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); |
989 | ||
990 | } else { | |
991 | show = SHOW_HV; | |
992 | level = 'H'; | |
993 | dprintf(" ...... dso: [hypervisor]\n"); | |
994 | } | |
8fa66bdc | 995 | |
75051724 | 996 | if (show & show_mask) { |
fc54db51 PZ |
997 | struct symbol *sym = NULL; |
998 | ||
999 | if (dso) | |
1000 | sym = dso->find_symbol(dso, ip); | |
8fa66bdc | 1001 | |
75051724 IM |
1002 | if (hist_entry__add(thread, map, dso, sym, ip, level)) { |
1003 | fprintf(stderr, | |
55717314 | 1004 | "problem incrementing symbol count, skipping event\n"); |
d80d338d | 1005 | return -1; |
ce7e4365 | 1006 | } |
8fa66bdc | 1007 | } |
75051724 | 1008 | total++; |
8fa66bdc | 1009 | |
75051724 IM |
1010 | return 0; |
1011 | } | |
3502973d | 1012 | |
75051724 IM |
1013 | static int |
1014 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
1015 | { | |
1016 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1017 | struct map *map = map__new(&event->mmap); | |
1018 | ||
62fc4453 | 1019 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
1020 | (void *)(offset + head), |
1021 | (void *)(long)(event->header.size), | |
62fc4453 | 1022 | event->mmap.pid, |
75051724 IM |
1023 | (void *)(long)event->mmap.start, |
1024 | (void *)(long)event->mmap.len, | |
1025 | (void *)(long)event->mmap.pgoff, | |
1026 | event->mmap.filename); | |
1027 | ||
1028 | if (thread == NULL || map == NULL) { | |
1029 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 1030 | return 0; |
75051724 IM |
1031 | } |
1032 | ||
1033 | thread__insert_map(thread, map); | |
1034 | total_mmap++; | |
1035 | ||
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | static int | |
1040 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
1041 | { | |
1042 | struct thread *thread = threads__findnew(event->comm.pid); | |
1043 | ||
1044 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
1045 | (void *)(offset + head), | |
1046 | (void *)(long)(event->header.size), | |
1047 | event->comm.comm, event->comm.pid); | |
1048 | ||
1049 | if (thread == NULL || | |
1050 | thread__set_comm(thread, event->comm.comm)) { | |
1051 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
1052 | return -1; | |
8fa66bdc | 1053 | } |
75051724 IM |
1054 | total_comm++; |
1055 | ||
1056 | return 0; | |
1057 | } | |
1058 | ||
62fc4453 PZ |
1059 | static int |
1060 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | |
1061 | { | |
1062 | struct thread *thread = threads__findnew(event->fork.pid); | |
1063 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1064 | ||
1065 | dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", | |
1066 | (void *)(offset + head), | |
1067 | (void *)(long)(event->header.size), | |
1068 | event->fork.pid, event->fork.ppid); | |
1069 | ||
1070 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1071 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1072 | return -1; | |
1073 | } | |
1074 | total_fork++; | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
b2fef076 IM |
1079 | static int |
1080 | process_period_event(event_t *event, unsigned long offset, unsigned long head) | |
1081 | { | |
1082 | dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n", | |
1083 | (void *)(offset + head), | |
1084 | (void *)(long)(event->header.size), | |
1085 | event->period.time, | |
1086 | event->period.id, | |
1087 | event->period.sample_period); | |
1088 | ||
1089 | return 0; | |
1090 | } | |
1091 | ||
75051724 IM |
1092 | static int |
1093 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1094 | { | |
1095 | if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) | |
1096 | return process_overflow_event(event, offset, head); | |
1097 | ||
1098 | switch (event->header.type) { | |
1099 | case PERF_EVENT_MMAP: | |
1100 | return process_mmap_event(event, offset, head); | |
1101 | ||
1102 | case PERF_EVENT_COMM: | |
1103 | return process_comm_event(event, offset, head); | |
1104 | ||
62fc4453 PZ |
1105 | case PERF_EVENT_FORK: |
1106 | return process_fork_event(event, offset, head); | |
1107 | ||
b2fef076 IM |
1108 | case PERF_EVENT_PERIOD: |
1109 | return process_period_event(event, offset, head); | |
d11444df IM |
1110 | /* |
1111 | * We dont process them right now but they are fine: | |
1112 | */ | |
62fc4453 | 1113 | |
d11444df IM |
1114 | case PERF_EVENT_THROTTLE: |
1115 | case PERF_EVENT_UNTHROTTLE: | |
1116 | return 0; | |
1117 | ||
d80d338d IM |
1118 | default: |
1119 | return -1; | |
1120 | } | |
1121 | ||
1122 | return 0; | |
1123 | } | |
1124 | ||
1125 | static int __cmd_report(void) | |
1126 | { | |
75051724 | 1127 | int ret, rc = EXIT_FAILURE; |
d80d338d IM |
1128 | unsigned long offset = 0; |
1129 | unsigned long head = 0; | |
1130 | struct stat stat; | |
d80d338d | 1131 | event_t *event; |
d80d338d | 1132 | uint32_t size; |
75051724 | 1133 | char *buf; |
d80d338d IM |
1134 | |
1135 | register_idle_thread(); | |
1136 | ||
1137 | input = open(input_name, O_RDONLY); | |
1138 | if (input < 0) { | |
a14832ff IM |
1139 | fprintf(stderr, " failed to open file: %s", input_name); |
1140 | if (!strcmp(input_name, "perf.data")) | |
1141 | fprintf(stderr, " (try 'perf record' first)"); | |
1142 | fprintf(stderr, "\n"); | |
d80d338d IM |
1143 | exit(-1); |
1144 | } | |
1145 | ||
1146 | ret = fstat(input, &stat); | |
1147 | if (ret < 0) { | |
1148 | perror("failed to stat file"); | |
1149 | exit(-1); | |
1150 | } | |
1151 | ||
1152 | if (!stat.st_size) { | |
1153 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1154 | exit(0); | |
1155 | } | |
1156 | ||
1157 | if (load_kernel() < 0) { | |
1158 | perror("failed to load kernel symbols"); | |
1159 | return EXIT_FAILURE; | |
1160 | } | |
1161 | ||
1162 | if (!full_paths) { | |
1163 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1164 | perror("failed to get the current directory"); | |
1165 | return EXIT_FAILURE; | |
1166 | } | |
1167 | cwdlen = strlen(cwd); | |
1168 | } else { | |
1169 | cwd = NULL; | |
1170 | cwdlen = 0; | |
1171 | } | |
1172 | remap: | |
1173 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1174 | MAP_SHARED, input, offset); | |
1175 | if (buf == MAP_FAILED) { | |
1176 | perror("failed to mmap file"); | |
1177 | exit(-1); | |
1178 | } | |
1179 | ||
1180 | more: | |
1181 | event = (event_t *)(buf + head); | |
1182 | ||
1183 | size = event->header.size; | |
1184 | if (!size) | |
1185 | size = 8; | |
1186 | ||
1187 | if (head + event->header.size >= page_size * mmap_window) { | |
1188 | unsigned long shift = page_size * (head / page_size); | |
1189 | int ret; | |
1190 | ||
1191 | ret = munmap(buf, page_size * mmap_window); | |
1192 | assert(ret == 0); | |
1193 | ||
1194 | offset += shift; | |
1195 | head -= shift; | |
1196 | goto remap; | |
1197 | } | |
1198 | ||
1199 | size = event->header.size; | |
1200 | ||
b2fef076 IM |
1201 | dprintf("%p [%p]: event: %d\n", |
1202 | (void *)(offset + head), | |
1203 | (void *)(long)event->header.size, | |
1204 | event->header.type); | |
1205 | ||
d80d338d IM |
1206 | if (!size || process_event(event, offset, head) < 0) { |
1207 | ||
3502973d IM |
1208 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1209 | (void *)(offset + head), | |
1210 | (void *)(long)(event->header.size), | |
1211 | event->header.type); | |
b7a16eac | 1212 | |
3e706114 | 1213 | total_unknown++; |
6142f9ec PZ |
1214 | |
1215 | /* | |
1216 | * assume we lost track of the stream, check alignment, and | |
1217 | * increment a single u64 in the hope to catch on again 'soon'. | |
1218 | */ | |
1219 | ||
1220 | if (unlikely(head & 7)) | |
1221 | head &= ~7ULL; | |
1222 | ||
1223 | size = 8; | |
97b07b69 | 1224 | } |
8fa66bdc | 1225 | |
6142f9ec | 1226 | head += size; |
f49515b1 | 1227 | |
8fa66bdc ACM |
1228 | if (offset + head < stat.st_size) |
1229 | goto more; | |
1230 | ||
1231 | rc = EXIT_SUCCESS; | |
8fa66bdc | 1232 | close(input); |
97b07b69 | 1233 | |
3502973d IM |
1234 | dprintf(" IP events: %10ld\n", total); |
1235 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1236 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1237 | dprintf(" fork events: %10ld\n", total_fork); |
3502973d | 1238 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1239 | |
3502973d | 1240 | if (dump_trace) |
97b07b69 | 1241 | return 0; |
97b07b69 | 1242 | |
9ac99545 ACM |
1243 | if (verbose >= 3) |
1244 | threads__fprintf(stdout); | |
1245 | ||
e7fb08b1 | 1246 | if (verbose >= 2) |
16f762a2 | 1247 | dsos__fprintf(stdout); |
16f762a2 | 1248 | |
8229289b | 1249 | collapse__resort(); |
e7fb08b1 PZ |
1250 | output__resort(); |
1251 | output__fprintf(stdout, total); | |
8fa66bdc | 1252 | |
8fa66bdc ACM |
1253 | return rc; |
1254 | } | |
1255 | ||
53cb8bc2 IM |
1256 | static const char * const report_usage[] = { |
1257 | "perf report [<options>] <command>", | |
1258 | NULL | |
1259 | }; | |
1260 | ||
1261 | static const struct option options[] = { | |
1262 | OPT_STRING('i', "input", &input_name, "file", | |
1263 | "input file name"), | |
815e777f ACM |
1264 | OPT_BOOLEAN('v', "verbose", &verbose, |
1265 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1266 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1267 | "dump raw trace in ASCII"), | |
450aaa2b | 1268 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
63299f05 IM |
1269 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
1270 | "sort by key(s): pid, comm, dso, symbol. Default: pid,symbol"), | |
b78c07d4 ACM |
1271 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1272 | "Don't shorten the pathnames taking into account the cwd"), | |
53cb8bc2 IM |
1273 | OPT_END() |
1274 | }; | |
1275 | ||
5352f35d IM |
1276 | static void setup_sorting(void) |
1277 | { | |
1278 | char *tmp, *tok, *str = strdup(sort_order); | |
1279 | ||
1280 | for (tok = strtok_r(str, ", ", &tmp); | |
1281 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1282 | if (sort_dimension__add(tok) < 0) { | |
1283 | error("Unknown --sort key: `%s'", tok); | |
1284 | usage_with_options(report_usage, options); | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | free(str); | |
1289 | } | |
1290 | ||
53cb8bc2 IM |
1291 | int cmd_report(int argc, const char **argv, const char *prefix) |
1292 | { | |
a2928c42 | 1293 | symbol__init(); |
53cb8bc2 IM |
1294 | |
1295 | page_size = getpagesize(); | |
1296 | ||
edc52dea | 1297 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 1298 | |
1aa16738 PZ |
1299 | setup_sorting(); |
1300 | ||
edc52dea IM |
1301 | /* |
1302 | * Any (unrecognized) arguments left? | |
1303 | */ | |
1304 | if (argc) | |
1305 | usage_with_options(report_usage, options); | |
1306 | ||
a930d2c0 IM |
1307 | setup_pager(); |
1308 | ||
53cb8bc2 IM |
1309 | return __cmd_report(); |
1310 | } |