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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)) { | |
403 | list_del_init(&pos->node); | |
404 | /* XXX leaks dsos */ | |
405 | free(pos); | |
406 | } | |
407 | } | |
408 | ||
8fa66bdc ACM |
409 | list_add_tail(&map->node, &self->maps); |
410 | } | |
411 | ||
62fc4453 PZ |
412 | static int thread__fork(struct thread *self, struct thread *parent) |
413 | { | |
414 | struct map *map; | |
415 | ||
416 | if (self->comm) | |
417 | free(self->comm); | |
418 | self->comm = strdup(parent->comm); | |
419 | if (!self->comm) | |
420 | return -ENOMEM; | |
421 | ||
422 | list_for_each_entry(map, &parent->maps, node) { | |
423 | struct map *new = map__clone(map); | |
424 | if (!new) | |
425 | return -ENOMEM; | |
426 | thread__insert_map(self, new); | |
427 | } | |
428 | ||
429 | return 0; | |
430 | } | |
431 | ||
9cffa8d5 | 432 | static struct map *thread__find_map(struct thread *self, u64 ip) |
8fa66bdc | 433 | { |
16f762a2 IM |
434 | struct map *pos; |
435 | ||
8fa66bdc ACM |
436 | if (self == NULL) |
437 | return NULL; | |
438 | ||
8fa66bdc ACM |
439 | list_for_each_entry(pos, &self->maps, node) |
440 | if (ip >= pos->start && ip <= pos->end) | |
441 | return pos; | |
442 | ||
443 | return NULL; | |
444 | } | |
445 | ||
9ac99545 ACM |
446 | static size_t threads__fprintf(FILE *fp) |
447 | { | |
448 | size_t ret = 0; | |
449 | struct rb_node *nd; | |
450 | ||
451 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
452 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
453 | ||
454 | ret += thread__fprintf(pos, fp); | |
455 | } | |
456 | ||
457 | return ret; | |
458 | } | |
459 | ||
e7fb08b1 PZ |
460 | /* |
461 | * histogram, sorted on item, collects counts | |
462 | */ | |
463 | ||
464 | static struct rb_root hist; | |
465 | ||
466 | struct hist_entry { | |
467 | struct rb_node rb_node; | |
468 | ||
469 | struct thread *thread; | |
470 | struct map *map; | |
471 | struct dso *dso; | |
472 | struct symbol *sym; | |
b25bcf2f | 473 | struct symbol *parent; |
9cffa8d5 | 474 | u64 ip; |
e7fb08b1 PZ |
475 | char level; |
476 | ||
9cffa8d5 | 477 | u64 count; |
e7fb08b1 PZ |
478 | }; |
479 | ||
1aa16738 PZ |
480 | /* |
481 | * configurable sorting bits | |
482 | */ | |
483 | ||
484 | struct sort_entry { | |
485 | struct list_head list; | |
486 | ||
ca8cdeef PZ |
487 | char *header; |
488 | ||
1aa16738 | 489 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 490 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
1aa16738 PZ |
491 | size_t (*print)(FILE *fp, struct hist_entry *); |
492 | }; | |
493 | ||
6e7d6fdc PZ |
494 | static int64_t cmp_null(void *l, void *r) |
495 | { | |
496 | if (!l && !r) | |
497 | return 0; | |
498 | else if (!l) | |
499 | return -1; | |
500 | else | |
501 | return 1; | |
502 | } | |
503 | ||
8229289b PZ |
504 | /* --sort pid */ |
505 | ||
e7fb08b1 | 506 | static int64_t |
1aa16738 | 507 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 508 | { |
1aa16738 PZ |
509 | return right->thread->pid - left->thread->pid; |
510 | } | |
511 | ||
512 | static size_t | |
513 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
514 | { | |
71dd8945 | 515 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 516 | } |
e7fb08b1 | 517 | |
1aa16738 | 518 | static struct sort_entry sort_thread = { |
71dd8945 | 519 | .header = " Command: Pid", |
1aa16738 PZ |
520 | .cmp = sort__thread_cmp, |
521 | .print = sort__thread_print, | |
522 | }; | |
523 | ||
8229289b PZ |
524 | /* --sort comm */ |
525 | ||
992444b1 PZ |
526 | static int64_t |
527 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
528 | { |
529 | return right->thread->pid - left->thread->pid; | |
530 | } | |
531 | ||
532 | static int64_t | |
533 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
534 | { |
535 | char *comm_l = left->thread->comm; | |
536 | char *comm_r = right->thread->comm; | |
537 | ||
6e7d6fdc PZ |
538 | if (!comm_l || !comm_r) |
539 | return cmp_null(comm_l, comm_r); | |
992444b1 PZ |
540 | |
541 | return strcmp(comm_l, comm_r); | |
542 | } | |
543 | ||
544 | static size_t | |
545 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
546 | { | |
71dd8945 | 547 | return fprintf(fp, "%16s", self->thread->comm); |
992444b1 PZ |
548 | } |
549 | ||
550 | static struct sort_entry sort_comm = { | |
8edd4286 | 551 | .header = " Command", |
8229289b PZ |
552 | .cmp = sort__comm_cmp, |
553 | .collapse = sort__comm_collapse, | |
554 | .print = sort__comm_print, | |
992444b1 PZ |
555 | }; |
556 | ||
8229289b PZ |
557 | /* --sort dso */ |
558 | ||
55e5ec41 PZ |
559 | static int64_t |
560 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
561 | { | |
562 | struct dso *dso_l = left->dso; | |
563 | struct dso *dso_r = right->dso; | |
564 | ||
6e7d6fdc PZ |
565 | if (!dso_l || !dso_r) |
566 | return cmp_null(dso_l, dso_r); | |
55e5ec41 PZ |
567 | |
568 | return strcmp(dso_l->name, dso_r->name); | |
569 | } | |
570 | ||
571 | static size_t | |
572 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
573 | { | |
0a520c63 | 574 | if (self->dso) |
71dd8945 | 575 | return fprintf(fp, "%-25s", self->dso->name); |
0a520c63 | 576 | |
9cffa8d5 | 577 | return fprintf(fp, "%016llx ", (u64)self->ip); |
55e5ec41 PZ |
578 | } |
579 | ||
580 | static struct sort_entry sort_dso = { | |
71dd8945 | 581 | .header = "Shared Object ", |
55e5ec41 PZ |
582 | .cmp = sort__dso_cmp, |
583 | .print = sort__dso_print, | |
584 | }; | |
585 | ||
8229289b PZ |
586 | /* --sort symbol */ |
587 | ||
1aa16738 PZ |
588 | static int64_t |
589 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
590 | { | |
9cffa8d5 | 591 | u64 ip_l, ip_r; |
e7fb08b1 PZ |
592 | |
593 | if (left->sym == right->sym) | |
594 | return 0; | |
595 | ||
596 | ip_l = left->sym ? left->sym->start : left->ip; | |
597 | ip_r = right->sym ? right->sym->start : right->ip; | |
598 | ||
599 | return (int64_t)(ip_r - ip_l); | |
600 | } | |
601 | ||
1aa16738 PZ |
602 | static size_t |
603 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
604 | { | |
605 | size_t ret = 0; | |
606 | ||
1aa16738 | 607 | if (verbose) |
9cffa8d5 | 608 | ret += fprintf(fp, "%#018llx ", (u64)self->ip); |
0a520c63 | 609 | |
8edd4286 IM |
610 | if (self->sym) { |
611 | ret += fprintf(fp, "[%c] %s", | |
612 | self->dso == kernel_dso ? 'k' : '.', self->sym->name); | |
613 | } else { | |
9cffa8d5 | 614 | ret += fprintf(fp, "%#016llx", (u64)self->ip); |
8edd4286 | 615 | } |
1aa16738 PZ |
616 | |
617 | return ret; | |
618 | } | |
619 | ||
620 | static struct sort_entry sort_sym = { | |
71dd8945 | 621 | .header = "Symbol", |
ca8cdeef PZ |
622 | .cmp = sort__sym_cmp, |
623 | .print = sort__sym_print, | |
1aa16738 PZ |
624 | }; |
625 | ||
b25bcf2f | 626 | /* --sort parent */ |
6e7d6fdc PZ |
627 | |
628 | static int64_t | |
b25bcf2f | 629 | sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) |
6e7d6fdc | 630 | { |
b25bcf2f IM |
631 | struct symbol *sym_l = left->parent; |
632 | struct symbol *sym_r = right->parent; | |
6e7d6fdc PZ |
633 | |
634 | if (!sym_l || !sym_r) | |
635 | return cmp_null(sym_l, sym_r); | |
636 | ||
637 | return strcmp(sym_l->name, sym_r->name); | |
638 | } | |
639 | ||
640 | static size_t | |
b25bcf2f | 641 | sort__parent_print(FILE *fp, struct hist_entry *self) |
6e7d6fdc PZ |
642 | { |
643 | size_t ret = 0; | |
644 | ||
b25bcf2f | 645 | ret += fprintf(fp, "%-20s", self->parent ? self->parent->name : "[other]"); |
6e7d6fdc PZ |
646 | |
647 | return ret; | |
648 | } | |
649 | ||
b25bcf2f IM |
650 | static struct sort_entry sort_parent = { |
651 | .header = "Parent symbol ", | |
652 | .cmp = sort__parent_cmp, | |
653 | .print = sort__parent_print, | |
6e7d6fdc PZ |
654 | }; |
655 | ||
8229289b | 656 | static int sort__need_collapse = 0; |
b25bcf2f | 657 | static int sort__has_parent = 0; |
8229289b | 658 | |
37f440cb | 659 | struct sort_dimension { |
8edd4286 IM |
660 | char *name; |
661 | struct sort_entry *entry; | |
662 | int taken; | |
37f440cb PZ |
663 | }; |
664 | ||
665 | static struct sort_dimension sort_dimensions[] = { | |
666 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 667 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 668 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb | 669 | { .name = "symbol", .entry = &sort_sym, }, |
b25bcf2f | 670 | { .name = "parent", .entry = &sort_parent, }, |
37f440cb PZ |
671 | }; |
672 | ||
1aa16738 PZ |
673 | static LIST_HEAD(hist_entry__sort_list); |
674 | ||
37f440cb PZ |
675 | static int sort_dimension__add(char *tok) |
676 | { | |
677 | int i; | |
678 | ||
679 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
680 | struct sort_dimension *sd = &sort_dimensions[i]; | |
681 | ||
682 | if (sd->taken) | |
683 | continue; | |
684 | ||
5352f35d | 685 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
686 | continue; |
687 | ||
8229289b PZ |
688 | if (sd->entry->collapse) |
689 | sort__need_collapse = 1; | |
690 | ||
b25bcf2f IM |
691 | if (sd->entry == &sort_parent) { |
692 | int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); | |
6e7d6fdc PZ |
693 | if (ret) { |
694 | char err[BUFSIZ]; | |
695 | ||
b25bcf2f IM |
696 | regerror(ret, &parent_regex, err, sizeof(err)); |
697 | fprintf(stderr, "Invalid regex: %s\n%s", | |
698 | parent_pattern, err); | |
6e7d6fdc PZ |
699 | exit(-1); |
700 | } | |
b25bcf2f | 701 | sort__has_parent = 1; |
6e7d6fdc PZ |
702 | } |
703 | ||
37f440cb PZ |
704 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
705 | sd->taken = 1; | |
5352f35d | 706 | |
37f440cb PZ |
707 | return 0; |
708 | } | |
709 | ||
710 | return -ESRCH; | |
711 | } | |
712 | ||
1aa16738 PZ |
713 | static int64_t |
714 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
715 | { | |
716 | struct sort_entry *se; | |
717 | int64_t cmp = 0; | |
718 | ||
719 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
720 | cmp = se->cmp(left, right); | |
721 | if (cmp) | |
722 | break; | |
723 | } | |
724 | ||
725 | return cmp; | |
726 | } | |
727 | ||
8229289b PZ |
728 | static int64_t |
729 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
730 | { | |
731 | struct sort_entry *se; | |
732 | int64_t cmp = 0; | |
733 | ||
734 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
735 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
736 | ||
737 | f = se->collapse ?: se->cmp; | |
738 | ||
739 | cmp = f(left, right); | |
740 | if (cmp) | |
741 | break; | |
742 | } | |
743 | ||
744 | return cmp; | |
745 | } | |
746 | ||
1aa16738 | 747 | static size_t |
9cffa8d5 | 748 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) |
1aa16738 PZ |
749 | { |
750 | struct sort_entry *se; | |
751 | size_t ret; | |
752 | ||
b8e6d829 IM |
753 | if (exclude_other && !self->parent) |
754 | return 0; | |
755 | ||
1aa16738 | 756 | if (total_samples) { |
8fc0321f IM |
757 | double percent = self->count * 100.0 / total_samples; |
758 | char *color = PERF_COLOR_NORMAL; | |
759 | ||
760 | /* | |
aefcf37b IM |
761 | * We color high-overhead entries in red, mid-overhead |
762 | * entries in green - and keep the low overhead places | |
763 | * normal: | |
8fc0321f | 764 | */ |
aefcf37b | 765 | if (percent >= 5.0) { |
8fc0321f | 766 | color = PERF_COLOR_RED; |
aefcf37b IM |
767 | } else { |
768 | if (percent >= 0.5) | |
769 | color = PERF_COLOR_GREEN; | |
770 | } | |
8fc0321f IM |
771 | |
772 | ret = color_fprintf(fp, color, " %6.2f%%", | |
1aa16738 PZ |
773 | (self->count * 100.0) / total_samples); |
774 | } else | |
729ff5e2 | 775 | ret = fprintf(fp, "%12Ld ", self->count); |
1aa16738 | 776 | |
71dd8945 | 777 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
b8e6d829 IM |
778 | if (exclude_other && (se == &sort_parent)) |
779 | continue; | |
780 | ||
71dd8945 | 781 | fprintf(fp, " "); |
1aa16738 | 782 | ret += se->print(fp, self); |
71dd8945 | 783 | } |
1aa16738 PZ |
784 | |
785 | ret += fprintf(fp, "\n"); | |
786 | ||
787 | return ret; | |
788 | } | |
789 | ||
6e7d6fdc PZ |
790 | /* |
791 | * | |
792 | */ | |
793 | ||
794 | static struct symbol * | |
795 | resolve_symbol(struct thread *thread, struct map **mapp, | |
9cffa8d5 | 796 | struct dso **dsop, u64 *ipp) |
6e7d6fdc PZ |
797 | { |
798 | struct dso *dso = dsop ? *dsop : NULL; | |
799 | struct map *map = mapp ? *mapp : NULL; | |
520f2c34 | 800 | u64 ip = *ipp; |
6e7d6fdc PZ |
801 | |
802 | if (!thread) | |
803 | return NULL; | |
804 | ||
805 | if (dso) | |
806 | goto got_dso; | |
807 | ||
808 | if (map) | |
809 | goto got_map; | |
810 | ||
811 | map = thread__find_map(thread, ip); | |
812 | if (map != NULL) { | |
813 | if (mapp) | |
814 | *mapp = map; | |
815 | got_map: | |
816 | ip = map->map_ip(map, ip); | |
6e7d6fdc PZ |
817 | |
818 | dso = map->dso; | |
819 | } else { | |
820 | /* | |
821 | * If this is outside of all known maps, | |
822 | * and is a negative address, try to look it | |
823 | * up in the kernel dso, as it might be a | |
824 | * vsyscall (which executes in user-mode): | |
825 | */ | |
826 | if ((long long)ip < 0) | |
827 | dso = kernel_dso; | |
828 | } | |
829 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); | |
520f2c34 PZ |
830 | dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip); |
831 | *ipp = ip; | |
6e7d6fdc PZ |
832 | |
833 | if (dsop) | |
834 | *dsop = dso; | |
835 | ||
836 | if (!dso) | |
837 | return NULL; | |
838 | got_dso: | |
839 | return dso->find_symbol(dso, ip); | |
840 | } | |
841 | ||
2a0a50fe | 842 | static int call__match(struct symbol *sym) |
6e7d6fdc | 843 | { |
b25bcf2f | 844 | if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) |
2a0a50fe | 845 | return 1; |
6e7d6fdc | 846 | |
2a0a50fe | 847 | return 0; |
6e7d6fdc PZ |
848 | } |
849 | ||
1aa16738 PZ |
850 | /* |
851 | * collect histogram counts | |
852 | */ | |
853 | ||
e7fb08b1 PZ |
854 | static int |
855 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
9cffa8d5 PM |
856 | struct symbol *sym, u64 ip, struct ip_callchain *chain, |
857 | char level, u64 count) | |
8fa66bdc | 858 | { |
e7fb08b1 PZ |
859 | struct rb_node **p = &hist.rb_node; |
860 | struct rb_node *parent = NULL; | |
861 | struct hist_entry *he; | |
862 | struct hist_entry entry = { | |
863 | .thread = thread, | |
864 | .map = map, | |
865 | .dso = dso, | |
866 | .sym = sym, | |
867 | .ip = ip, | |
868 | .level = level, | |
ea1900e5 | 869 | .count = count, |
b8e6d829 | 870 | .parent = NULL, |
e7fb08b1 PZ |
871 | }; |
872 | int cmp; | |
873 | ||
b25bcf2f | 874 | if (sort__has_parent && chain) { |
9cffa8d5 | 875 | u64 context = PERF_CONTEXT_MAX; |
2a0a50fe PZ |
876 | int i; |
877 | ||
878 | for (i = 0; i < chain->nr; i++) { | |
9cffa8d5 | 879 | u64 ip = chain->ips[i]; |
2a0a50fe PZ |
880 | struct dso *dso = NULL; |
881 | struct symbol *sym; | |
882 | ||
883 | if (ip >= PERF_CONTEXT_MAX) { | |
884 | context = ip; | |
885 | continue; | |
886 | } | |
887 | ||
888 | switch (context) { | |
889 | case PERF_CONTEXT_KERNEL: | |
890 | dso = kernel_dso; | |
891 | break; | |
892 | default: | |
893 | break; | |
894 | } | |
895 | ||
6e7d6fdc | 896 | sym = resolve_symbol(thread, NULL, &dso, &ip); |
2a0a50fe PZ |
897 | |
898 | if (sym && call__match(sym)) { | |
899 | entry.parent = sym; | |
900 | break; | |
901 | } | |
6e7d6fdc | 902 | } |
6e7d6fdc | 903 | } |
6e7d6fdc | 904 | |
e7fb08b1 PZ |
905 | while (*p != NULL) { |
906 | parent = *p; | |
907 | he = rb_entry(parent, struct hist_entry, rb_node); | |
908 | ||
909 | cmp = hist_entry__cmp(&entry, he); | |
910 | ||
911 | if (!cmp) { | |
ea1900e5 | 912 | he->count += count; |
e7fb08b1 PZ |
913 | return 0; |
914 | } | |
915 | ||
916 | if (cmp < 0) | |
917 | p = &(*p)->rb_left; | |
918 | else | |
919 | p = &(*p)->rb_right; | |
ce7e4365 | 920 | } |
e7fb08b1 PZ |
921 | |
922 | he = malloc(sizeof(*he)); | |
923 | if (!he) | |
924 | return -ENOMEM; | |
925 | *he = entry; | |
926 | rb_link_node(&he->rb_node, parent, p); | |
927 | rb_insert_color(&he->rb_node, &hist); | |
928 | ||
929 | return 0; | |
8fa66bdc ACM |
930 | } |
931 | ||
8229289b PZ |
932 | static void hist_entry__free(struct hist_entry *he) |
933 | { | |
934 | free(he); | |
935 | } | |
936 | ||
937 | /* | |
938 | * collapse the histogram | |
939 | */ | |
940 | ||
941 | static struct rb_root collapse_hists; | |
942 | ||
943 | static void collapse__insert_entry(struct hist_entry *he) | |
944 | { | |
945 | struct rb_node **p = &collapse_hists.rb_node; | |
946 | struct rb_node *parent = NULL; | |
947 | struct hist_entry *iter; | |
948 | int64_t cmp; | |
949 | ||
950 | while (*p != NULL) { | |
951 | parent = *p; | |
952 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
953 | ||
954 | cmp = hist_entry__collapse(iter, he); | |
955 | ||
956 | if (!cmp) { | |
957 | iter->count += he->count; | |
958 | hist_entry__free(he); | |
959 | return; | |
960 | } | |
961 | ||
962 | if (cmp < 0) | |
963 | p = &(*p)->rb_left; | |
964 | else | |
965 | p = &(*p)->rb_right; | |
966 | } | |
967 | ||
968 | rb_link_node(&he->rb_node, parent, p); | |
969 | rb_insert_color(&he->rb_node, &collapse_hists); | |
970 | } | |
971 | ||
972 | static void collapse__resort(void) | |
973 | { | |
974 | struct rb_node *next; | |
975 | struct hist_entry *n; | |
976 | ||
977 | if (!sort__need_collapse) | |
978 | return; | |
979 | ||
980 | next = rb_first(&hist); | |
981 | while (next) { | |
982 | n = rb_entry(next, struct hist_entry, rb_node); | |
983 | next = rb_next(&n->rb_node); | |
984 | ||
985 | rb_erase(&n->rb_node, &hist); | |
986 | collapse__insert_entry(n); | |
987 | } | |
988 | } | |
989 | ||
e7fb08b1 PZ |
990 | /* |
991 | * reverse the map, sort on count. | |
992 | */ | |
993 | ||
994 | static struct rb_root output_hists; | |
995 | ||
996 | static void output__insert_entry(struct hist_entry *he) | |
3a4b8cc7 | 997 | { |
e7fb08b1 | 998 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 999 | struct rb_node *parent = NULL; |
e7fb08b1 | 1000 | struct hist_entry *iter; |
3a4b8cc7 ACM |
1001 | |
1002 | while (*p != NULL) { | |
1003 | parent = *p; | |
e7fb08b1 | 1004 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 1005 | |
e7fb08b1 | 1006 | if (he->count > iter->count) |
3a4b8cc7 ACM |
1007 | p = &(*p)->rb_left; |
1008 | else | |
1009 | p = &(*p)->rb_right; | |
1010 | } | |
1011 | ||
e7fb08b1 PZ |
1012 | rb_link_node(&he->rb_node, parent, p); |
1013 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
1014 | } |
1015 | ||
e7fb08b1 | 1016 | static void output__resort(void) |
3a4b8cc7 | 1017 | { |
8229289b | 1018 | struct rb_node *next; |
e7fb08b1 | 1019 | struct hist_entry *n; |
a4c43bea | 1020 | struct rb_root *tree = &hist; |
3a4b8cc7 | 1021 | |
8229289b | 1022 | if (sort__need_collapse) |
a4c43bea ACM |
1023 | tree = &collapse_hists; |
1024 | ||
1025 | next = rb_first(tree); | |
8229289b | 1026 | |
e7fb08b1 PZ |
1027 | while (next) { |
1028 | n = rb_entry(next, struct hist_entry, rb_node); | |
1029 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 1030 | |
a4c43bea | 1031 | rb_erase(&n->rb_node, tree); |
e7fb08b1 | 1032 | output__insert_entry(n); |
3a4b8cc7 ACM |
1033 | } |
1034 | } | |
1035 | ||
9cffa8d5 | 1036 | static size_t output__fprintf(FILE *fp, u64 total_samples) |
3a4b8cc7 | 1037 | { |
e7fb08b1 | 1038 | struct hist_entry *pos; |
2d65537e | 1039 | struct sort_entry *se; |
3a4b8cc7 ACM |
1040 | struct rb_node *nd; |
1041 | size_t ret = 0; | |
1042 | ||
71dd8945 | 1043 | fprintf(fp, "\n"); |
05ca061e | 1044 | fprintf(fp, "#\n"); |
9cffa8d5 | 1045 | fprintf(fp, "# (%Ld samples)\n", (u64)total_samples); |
ca8cdeef PZ |
1046 | fprintf(fp, "#\n"); |
1047 | ||
1048 | fprintf(fp, "# Overhead"); | |
b8e6d829 IM |
1049 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
1050 | if (exclude_other && (se == &sort_parent)) | |
1051 | continue; | |
71dd8945 | 1052 | fprintf(fp, " %s", se->header); |
b8e6d829 | 1053 | } |
ca8cdeef PZ |
1054 | fprintf(fp, "\n"); |
1055 | ||
1056 | fprintf(fp, "# ........"); | |
2d65537e | 1057 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
ca8cdeef PZ |
1058 | int i; |
1059 | ||
b8e6d829 IM |
1060 | if (exclude_other && (se == &sort_parent)) |
1061 | continue; | |
1062 | ||
4593bba8 | 1063 | fprintf(fp, " "); |
71dd8945 | 1064 | for (i = 0; i < strlen(se->header); i++) |
ca8cdeef | 1065 | fprintf(fp, "."); |
2d65537e | 1066 | } |
ca8cdeef PZ |
1067 | fprintf(fp, "\n"); |
1068 | ||
1069 | fprintf(fp, "#\n"); | |
2d65537e | 1070 | |
e7fb08b1 PZ |
1071 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
1072 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
1073 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
1074 | } |
1075 | ||
b8e6d829 IM |
1076 | if (sort_order == default_sort_order && |
1077 | parent_pattern == default_parent_pattern) { | |
bd74137e | 1078 | fprintf(fp, "#\n"); |
71dd8945 | 1079 | fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); |
bd74137e IM |
1080 | fprintf(fp, "#\n"); |
1081 | } | |
71dd8945 | 1082 | fprintf(fp, "\n"); |
bd74137e | 1083 | |
3a4b8cc7 ACM |
1084 | return ret; |
1085 | } | |
1086 | ||
436224a6 PZ |
1087 | static void register_idle_thread(void) |
1088 | { | |
1089 | struct thread *thread = threads__findnew(0); | |
1090 | ||
1091 | if (thread == NULL || | |
1092 | thread__set_comm(thread, "[idle]")) { | |
1093 | fprintf(stderr, "problem inserting idle task.\n"); | |
1094 | exit(-1); | |
1095 | } | |
1096 | } | |
1097 | ||
62fc4453 PZ |
1098 | static unsigned long total = 0, |
1099 | total_mmap = 0, | |
1100 | total_comm = 0, | |
1101 | total_fork = 0, | |
9d91a6f7 PZ |
1102 | total_unknown = 0, |
1103 | total_lost = 0; | |
e7fb08b1 | 1104 | |
2a0a50fe | 1105 | static int validate_chain(struct ip_callchain *chain, event_t *event) |
7522060c IM |
1106 | { |
1107 | unsigned int chain_size; | |
1108 | ||
7522060c IM |
1109 | chain_size = event->header.size; |
1110 | chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event; | |
1111 | ||
9cffa8d5 | 1112 | if (chain->nr*sizeof(u64) > chain_size) |
7522060c IM |
1113 | return -1; |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
d80d338d | 1118 | static int |
75051724 IM |
1119 | process_overflow_event(event_t *event, unsigned long offset, unsigned long head) |
1120 | { | |
1121 | char level; | |
1122 | int show = 0; | |
1123 | struct dso *dso = NULL; | |
1124 | struct thread *thread = threads__findnew(event->ip.pid); | |
9cffa8d5 PM |
1125 | u64 ip = event->ip.ip; |
1126 | u64 period = 1; | |
75051724 | 1127 | struct map *map = NULL; |
3efa1cc9 | 1128 | void *more_data = event->ip.__more_data; |
2a0a50fe | 1129 | struct ip_callchain *chain = NULL; |
75051724 | 1130 | |
3efa1cc9 | 1131 | if (event->header.type & PERF_SAMPLE_PERIOD) { |
9cffa8d5 PM |
1132 | period = *(u64 *)more_data; |
1133 | more_data += sizeof(u64); | |
3efa1cc9 | 1134 | } |
ea1900e5 | 1135 | |
4502d77c | 1136 | dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p period: %Ld\n", |
75051724 IM |
1137 | (void *)(offset + head), |
1138 | (void *)(long)(event->header.size), | |
1139 | event->header.misc, | |
1140 | event->ip.pid, | |
4502d77c | 1141 | (void *)(long)ip, |
ea1900e5 | 1142 | (long long)period); |
75051724 | 1143 | |
3efa1cc9 IM |
1144 | if (event->header.type & PERF_SAMPLE_CALLCHAIN) { |
1145 | int i; | |
1146 | ||
1147 | chain = (void *)more_data; | |
1148 | ||
2a0a50fe | 1149 | dprintf("... chain: nr:%Lu\n", chain->nr); |
3efa1cc9 | 1150 | |
7522060c IM |
1151 | if (validate_chain(chain, event) < 0) { |
1152 | eprintf("call-chain problem with event, skipping it.\n"); | |
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | if (dump_trace) { | |
3efa1cc9 | 1157 | for (i = 0; i < chain->nr; i++) |
2a0a50fe | 1158 | dprintf("..... %2d: %016Lx\n", i, chain->ips[i]); |
3efa1cc9 IM |
1159 | } |
1160 | } | |
1161 | ||
75051724 IM |
1162 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
1163 | ||
1164 | if (thread == NULL) { | |
7522060c | 1165 | eprintf("problem processing %d event, skipping it.\n", |
75051724 IM |
1166 | event->header.type); |
1167 | return -1; | |
1168 | } | |
e7fb08b1 | 1169 | |
75051724 IM |
1170 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { |
1171 | show = SHOW_KERNEL; | |
1172 | level = 'k'; | |
e7fb08b1 | 1173 | |
75051724 | 1174 | dso = kernel_dso; |
ed966aac | 1175 | |
75051724 | 1176 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 1177 | |
75051724 | 1178 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
16f762a2 | 1179 | |
75051724 IM |
1180 | show = SHOW_USER; |
1181 | level = '.'; | |
e7fb08b1 | 1182 | |
75051724 IM |
1183 | } else { |
1184 | show = SHOW_HV; | |
1185 | level = 'H'; | |
1186 | dprintf(" ...... dso: [hypervisor]\n"); | |
1187 | } | |
8fa66bdc | 1188 | |
75051724 | 1189 | if (show & show_mask) { |
6e7d6fdc | 1190 | struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip); |
8fa66bdc | 1191 | |
6e7d6fdc | 1192 | if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) { |
7522060c | 1193 | eprintf("problem incrementing symbol count, skipping event\n"); |
d80d338d | 1194 | return -1; |
ce7e4365 | 1195 | } |
8fa66bdc | 1196 | } |
ea1900e5 | 1197 | total += period; |
8fa66bdc | 1198 | |
75051724 IM |
1199 | return 0; |
1200 | } | |
3502973d | 1201 | |
75051724 IM |
1202 | static int |
1203 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
1204 | { | |
1205 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1206 | struct map *map = map__new(&event->mmap); | |
1207 | ||
62fc4453 | 1208 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
1209 | (void *)(offset + head), |
1210 | (void *)(long)(event->header.size), | |
62fc4453 | 1211 | event->mmap.pid, |
75051724 IM |
1212 | (void *)(long)event->mmap.start, |
1213 | (void *)(long)event->mmap.len, | |
1214 | (void *)(long)event->mmap.pgoff, | |
1215 | event->mmap.filename); | |
1216 | ||
1217 | if (thread == NULL || map == NULL) { | |
1218 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 1219 | return 0; |
75051724 IM |
1220 | } |
1221 | ||
1222 | thread__insert_map(thread, map); | |
1223 | total_mmap++; | |
1224 | ||
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | static int | |
1229 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
1230 | { | |
1231 | struct thread *thread = threads__findnew(event->comm.pid); | |
1232 | ||
1233 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
1234 | (void *)(offset + head), | |
1235 | (void *)(long)(event->header.size), | |
1236 | event->comm.comm, event->comm.pid); | |
1237 | ||
1238 | if (thread == NULL || | |
1239 | thread__set_comm(thread, event->comm.comm)) { | |
1240 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
1241 | return -1; | |
8fa66bdc | 1242 | } |
75051724 IM |
1243 | total_comm++; |
1244 | ||
1245 | return 0; | |
1246 | } | |
1247 | ||
62fc4453 PZ |
1248 | static int |
1249 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | |
1250 | { | |
1251 | struct thread *thread = threads__findnew(event->fork.pid); | |
1252 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1253 | ||
1254 | dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", | |
1255 | (void *)(offset + head), | |
1256 | (void *)(long)(event->header.size), | |
1257 | event->fork.pid, event->fork.ppid); | |
1258 | ||
1259 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1260 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1261 | return -1; | |
1262 | } | |
1263 | total_fork++; | |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
b2fef076 IM |
1268 | static int |
1269 | process_period_event(event_t *event, unsigned long offset, unsigned long head) | |
1270 | { | |
1271 | dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n", | |
1272 | (void *)(offset + head), | |
1273 | (void *)(long)(event->header.size), | |
1274 | event->period.time, | |
1275 | event->period.id, | |
1276 | event->period.sample_period); | |
1277 | ||
1278 | return 0; | |
1279 | } | |
1280 | ||
9d91a6f7 PZ |
1281 | static int |
1282 | process_lost_event(event_t *event, unsigned long offset, unsigned long head) | |
1283 | { | |
1284 | dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n", | |
1285 | (void *)(offset + head), | |
1286 | (void *)(long)(event->header.size), | |
1287 | event->lost.id, | |
1288 | event->lost.lost); | |
1289 | ||
1290 | total_lost += event->lost.lost; | |
1291 | ||
1292 | return 0; | |
1293 | } | |
1294 | ||
8465b050 IM |
1295 | static void trace_event(event_t *event) |
1296 | { | |
1297 | unsigned char *raw_event = (void *)event; | |
3efa1cc9 | 1298 | char *color = PERF_COLOR_BLUE; |
8465b050 IM |
1299 | int i, j; |
1300 | ||
1301 | if (!dump_trace) | |
1302 | return; | |
1303 | ||
3efa1cc9 IM |
1304 | dprintf("."); |
1305 | cdprintf("\n. ... raw event: size %d bytes\n", event->header.size); | |
8465b050 IM |
1306 | |
1307 | for (i = 0; i < event->header.size; i++) { | |
3efa1cc9 IM |
1308 | if ((i & 15) == 0) { |
1309 | dprintf("."); | |
1310 | cdprintf(" %04x: ", i); | |
1311 | } | |
8465b050 | 1312 | |
3efa1cc9 | 1313 | cdprintf(" %02x", raw_event[i]); |
8465b050 IM |
1314 | |
1315 | if (((i & 15) == 15) || i == event->header.size-1) { | |
3efa1cc9 | 1316 | cdprintf(" "); |
8465b050 | 1317 | for (j = 0; j < 15-(i & 15); j++) |
3efa1cc9 | 1318 | cdprintf(" "); |
8465b050 | 1319 | for (j = 0; j < (i & 15); j++) { |
a73c7d84 | 1320 | if (isprint(raw_event[i-15+j])) |
3efa1cc9 | 1321 | cdprintf("%c", raw_event[i-15+j]); |
8465b050 | 1322 | else |
3efa1cc9 | 1323 | cdprintf("."); |
8465b050 | 1324 | } |
3efa1cc9 | 1325 | cdprintf("\n"); |
8465b050 IM |
1326 | } |
1327 | } | |
1328 | dprintf(".\n"); | |
1329 | } | |
1330 | ||
75051724 IM |
1331 | static int |
1332 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1333 | { | |
8465b050 IM |
1334 | trace_event(event); |
1335 | ||
75051724 IM |
1336 | if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) |
1337 | return process_overflow_event(event, offset, head); | |
1338 | ||
1339 | switch (event->header.type) { | |
1340 | case PERF_EVENT_MMAP: | |
1341 | return process_mmap_event(event, offset, head); | |
1342 | ||
1343 | case PERF_EVENT_COMM: | |
1344 | return process_comm_event(event, offset, head); | |
1345 | ||
62fc4453 PZ |
1346 | case PERF_EVENT_FORK: |
1347 | return process_fork_event(event, offset, head); | |
1348 | ||
b2fef076 IM |
1349 | case PERF_EVENT_PERIOD: |
1350 | return process_period_event(event, offset, head); | |
9d91a6f7 PZ |
1351 | |
1352 | case PERF_EVENT_LOST: | |
1353 | return process_lost_event(event, offset, head); | |
1354 | ||
d11444df IM |
1355 | /* |
1356 | * We dont process them right now but they are fine: | |
1357 | */ | |
62fc4453 | 1358 | |
d11444df IM |
1359 | case PERF_EVENT_THROTTLE: |
1360 | case PERF_EVENT_UNTHROTTLE: | |
1361 | return 0; | |
1362 | ||
d80d338d IM |
1363 | default: |
1364 | return -1; | |
1365 | } | |
1366 | ||
1367 | return 0; | |
1368 | } | |
1369 | ||
f5970550 PZ |
1370 | static struct perf_file_header file_header; |
1371 | ||
d80d338d IM |
1372 | static int __cmd_report(void) |
1373 | { | |
75051724 | 1374 | int ret, rc = EXIT_FAILURE; |
d80d338d | 1375 | unsigned long offset = 0; |
f5970550 | 1376 | unsigned long head = sizeof(file_header); |
d80d338d | 1377 | struct stat stat; |
d80d338d | 1378 | event_t *event; |
d80d338d | 1379 | uint32_t size; |
75051724 | 1380 | char *buf; |
d80d338d IM |
1381 | |
1382 | register_idle_thread(); | |
1383 | ||
1384 | input = open(input_name, O_RDONLY); | |
1385 | if (input < 0) { | |
a14832ff IM |
1386 | fprintf(stderr, " failed to open file: %s", input_name); |
1387 | if (!strcmp(input_name, "perf.data")) | |
1388 | fprintf(stderr, " (try 'perf record' first)"); | |
1389 | fprintf(stderr, "\n"); | |
d80d338d IM |
1390 | exit(-1); |
1391 | } | |
1392 | ||
1393 | ret = fstat(input, &stat); | |
1394 | if (ret < 0) { | |
1395 | perror("failed to stat file"); | |
1396 | exit(-1); | |
1397 | } | |
1398 | ||
1399 | if (!stat.st_size) { | |
1400 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1401 | exit(0); | |
1402 | } | |
1403 | ||
eadc84cc FW |
1404 | if (read(input, &file_header, sizeof(file_header)) == -1) { |
1405 | perror("failed to read file headers"); | |
1406 | exit(-1); | |
1407 | } | |
f5970550 PZ |
1408 | |
1409 | if (sort__has_parent && | |
1410 | !(file_header.sample_type & PERF_SAMPLE_CALLCHAIN)) { | |
1411 | fprintf(stderr, "selected --sort parent, but no callchain data\n"); | |
1412 | exit(-1); | |
1413 | } | |
1414 | ||
d80d338d IM |
1415 | if (load_kernel() < 0) { |
1416 | perror("failed to load kernel symbols"); | |
1417 | return EXIT_FAILURE; | |
1418 | } | |
1419 | ||
1420 | if (!full_paths) { | |
1421 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1422 | perror("failed to get the current directory"); | |
1423 | return EXIT_FAILURE; | |
1424 | } | |
1425 | cwdlen = strlen(cwd); | |
1426 | } else { | |
1427 | cwd = NULL; | |
1428 | cwdlen = 0; | |
1429 | } | |
1430 | remap: | |
1431 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1432 | MAP_SHARED, input, offset); | |
1433 | if (buf == MAP_FAILED) { | |
1434 | perror("failed to mmap file"); | |
1435 | exit(-1); | |
1436 | } | |
1437 | ||
1438 | more: | |
1439 | event = (event_t *)(buf + head); | |
1440 | ||
1441 | size = event->header.size; | |
1442 | if (!size) | |
1443 | size = 8; | |
1444 | ||
1445 | if (head + event->header.size >= page_size * mmap_window) { | |
1446 | unsigned long shift = page_size * (head / page_size); | |
1447 | int ret; | |
1448 | ||
1449 | ret = munmap(buf, page_size * mmap_window); | |
1450 | assert(ret == 0); | |
1451 | ||
1452 | offset += shift; | |
1453 | head -= shift; | |
1454 | goto remap; | |
1455 | } | |
1456 | ||
1457 | size = event->header.size; | |
1458 | ||
8465b050 | 1459 | dprintf("\n%p [%p]: event: %d\n", |
b2fef076 IM |
1460 | (void *)(offset + head), |
1461 | (void *)(long)event->header.size, | |
1462 | event->header.type); | |
1463 | ||
d80d338d IM |
1464 | if (!size || process_event(event, offset, head) < 0) { |
1465 | ||
3502973d IM |
1466 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1467 | (void *)(offset + head), | |
1468 | (void *)(long)(event->header.size), | |
1469 | event->header.type); | |
b7a16eac | 1470 | |
3e706114 | 1471 | total_unknown++; |
6142f9ec PZ |
1472 | |
1473 | /* | |
1474 | * assume we lost track of the stream, check alignment, and | |
1475 | * increment a single u64 in the hope to catch on again 'soon'. | |
1476 | */ | |
1477 | ||
1478 | if (unlikely(head & 7)) | |
1479 | head &= ~7ULL; | |
1480 | ||
1481 | size = 8; | |
97b07b69 | 1482 | } |
8fa66bdc | 1483 | |
6142f9ec | 1484 | head += size; |
f49515b1 | 1485 | |
f5970550 PZ |
1486 | if (offset + head >= sizeof(file_header) + file_header.data_size) |
1487 | goto done; | |
1488 | ||
8fa66bdc ACM |
1489 | if (offset + head < stat.st_size) |
1490 | goto more; | |
1491 | ||
f5970550 | 1492 | done: |
8fa66bdc | 1493 | rc = EXIT_SUCCESS; |
8fa66bdc | 1494 | close(input); |
97b07b69 | 1495 | |
3502973d IM |
1496 | dprintf(" IP events: %10ld\n", total); |
1497 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1498 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1499 | dprintf(" fork events: %10ld\n", total_fork); |
9d91a6f7 | 1500 | dprintf(" lost events: %10ld\n", total_lost); |
3502973d | 1501 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1502 | |
3502973d | 1503 | if (dump_trace) |
97b07b69 | 1504 | return 0; |
97b07b69 | 1505 | |
9ac99545 ACM |
1506 | if (verbose >= 3) |
1507 | threads__fprintf(stdout); | |
1508 | ||
e7fb08b1 | 1509 | if (verbose >= 2) |
16f762a2 | 1510 | dsos__fprintf(stdout); |
16f762a2 | 1511 | |
8229289b | 1512 | collapse__resort(); |
e7fb08b1 PZ |
1513 | output__resort(); |
1514 | output__fprintf(stdout, total); | |
8fa66bdc | 1515 | |
8fa66bdc ACM |
1516 | return rc; |
1517 | } | |
1518 | ||
53cb8bc2 IM |
1519 | static const char * const report_usage[] = { |
1520 | "perf report [<options>] <command>", | |
1521 | NULL | |
1522 | }; | |
1523 | ||
1524 | static const struct option options[] = { | |
1525 | OPT_STRING('i', "input", &input_name, "file", | |
1526 | "input file name"), | |
815e777f ACM |
1527 | OPT_BOOLEAN('v', "verbose", &verbose, |
1528 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1529 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1530 | "dump raw trace in ASCII"), | |
450aaa2b | 1531 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
63299f05 | 1532 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
b25bcf2f | 1533 | "sort by key(s): pid, comm, dso, symbol, parent"), |
b78c07d4 ACM |
1534 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1535 | "Don't shorten the pathnames taking into account the cwd"), | |
b25bcf2f IM |
1536 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
1537 | "regex filter to identify parent, see: '--sort parent'"), | |
b8e6d829 IM |
1538 | OPT_BOOLEAN('x', "exclude-other", &exclude_other, |
1539 | "Only display entries with parent-match"), | |
53cb8bc2 IM |
1540 | OPT_END() |
1541 | }; | |
1542 | ||
5352f35d IM |
1543 | static void setup_sorting(void) |
1544 | { | |
1545 | char *tmp, *tok, *str = strdup(sort_order); | |
1546 | ||
1547 | for (tok = strtok_r(str, ", ", &tmp); | |
1548 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1549 | if (sort_dimension__add(tok) < 0) { | |
1550 | error("Unknown --sort key: `%s'", tok); | |
1551 | usage_with_options(report_usage, options); | |
1552 | } | |
1553 | } | |
1554 | ||
1555 | free(str); | |
1556 | } | |
1557 | ||
53cb8bc2 IM |
1558 | int cmd_report(int argc, const char **argv, const char *prefix) |
1559 | { | |
a2928c42 | 1560 | symbol__init(); |
53cb8bc2 IM |
1561 | |
1562 | page_size = getpagesize(); | |
1563 | ||
edc52dea | 1564 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 1565 | |
1aa16738 PZ |
1566 | setup_sorting(); |
1567 | ||
b8e6d829 IM |
1568 | if (parent_pattern != default_parent_pattern) |
1569 | sort_dimension__add("parent"); | |
1570 | else | |
1571 | exclude_other = 0; | |
1572 | ||
edc52dea IM |
1573 | /* |
1574 | * Any (unrecognized) arguments left? | |
1575 | */ | |
1576 | if (argc) | |
1577 | usage_with_options(report_usage, options); | |
1578 | ||
a930d2c0 IM |
1579 | setup_pager(); |
1580 | ||
53cb8bc2 IM |
1581 | return __cmd_report(); |
1582 | } |