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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" |
5da50258 | 13 | #include <linux/list.h> |
a930d2c0 | 14 | #include "util/cache.h" |
43cbcd8a | 15 | #include <linux/rbtree.h> |
a2928c42 | 16 | #include "util/symbol.h" |
a0055ae2 | 17 | #include "util/string.h" |
f55c5552 | 18 | #include "util/callchain.h" |
25903407 | 19 | #include "util/strlist.h" |
8fa66bdc | 20 | |
53cb8bc2 | 21 | #include "perf.h" |
7c6a1c65 | 22 | #include "util/header.h" |
53cb8bc2 IM |
23 | |
24 | #include "util/parse-options.h" | |
25 | #include "util/parse-events.h" | |
26 | ||
8fa66bdc ACM |
27 | #define SHOW_KERNEL 1 |
28 | #define SHOW_USER 2 | |
29 | #define SHOW_HV 4 | |
30 | ||
23ac9cbe | 31 | static char const *input_name = "perf.data"; |
450aaa2b | 32 | static char *vmlinux = NULL; |
bd74137e IM |
33 | |
34 | static char default_sort_order[] = "comm,dso"; | |
35 | static char *sort_order = default_sort_order; | |
7bec7a91 ACM |
36 | static char *dso_list_str, *comm_list_str, *sym_list_str; |
37 | static struct strlist *dso_list, *comm_list, *sym_list; | |
bd74137e | 38 | |
8fa66bdc ACM |
39 | static int input; |
40 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; | |
41 | ||
97b07b69 | 42 | static int dump_trace = 0; |
3502973d | 43 | #define dprintf(x...) do { if (dump_trace) printf(x); } while (0) |
3efa1cc9 | 44 | #define cdprintf(x...) do { if (dump_trace) color_fprintf(stdout, color, x); } while (0) |
3502973d | 45 | |
16f762a2 | 46 | static int verbose; |
7522060c IM |
47 | #define eprintf(x...) do { if (verbose) fprintf(stderr, x); } while (0) |
48 | ||
42976487 MG |
49 | static int modules; |
50 | ||
b78c07d4 | 51 | static int full_paths; |
97b07b69 | 52 | |
8fa66bdc ACM |
53 | static unsigned long page_size; |
54 | static unsigned long mmap_window = 32; | |
55 | ||
b8e6d829 IM |
56 | static char default_parent_pattern[] = "^sys_|^do_page_fault"; |
57 | static char *parent_pattern = default_parent_pattern; | |
b25bcf2f | 58 | static regex_t parent_regex; |
6e7d6fdc | 59 | |
b8e6d829 | 60 | static int exclude_other = 1; |
f55c5552 | 61 | static int callchain; |
4eb3e478 | 62 | static enum chain_mode callchain_mode; |
c20ab37e | 63 | static double callchain_min_percent = 0.0; |
b8e6d829 | 64 | |
e6e18ec7 PZ |
65 | static u64 sample_type; |
66 | ||
8fa66bdc ACM |
67 | struct ip_event { |
68 | struct perf_event_header header; | |
9cffa8d5 PM |
69 | u64 ip; |
70 | u32 pid, tid; | |
3efa1cc9 | 71 | unsigned char __more_data[]; |
8fa66bdc | 72 | }; |
75051724 | 73 | |
8fa66bdc ACM |
74 | struct mmap_event { |
75 | struct perf_event_header header; | |
9cffa8d5 PM |
76 | u32 pid, tid; |
77 | u64 start; | |
78 | u64 len; | |
79 | u64 pgoff; | |
8fa66bdc ACM |
80 | char filename[PATH_MAX]; |
81 | }; | |
75051724 | 82 | |
8fa66bdc ACM |
83 | struct comm_event { |
84 | struct perf_event_header header; | |
9cffa8d5 | 85 | u32 pid, tid; |
8fa66bdc ACM |
86 | char comm[16]; |
87 | }; | |
88 | ||
62fc4453 PZ |
89 | struct fork_event { |
90 | struct perf_event_header header; | |
9cffa8d5 | 91 | u32 pid, ppid; |
62fc4453 PZ |
92 | }; |
93 | ||
b2fef076 | 94 | struct period_event { |
8fa66bdc | 95 | struct perf_event_header header; |
9cffa8d5 PM |
96 | u64 time; |
97 | u64 id; | |
98 | u64 sample_period; | |
b2fef076 IM |
99 | }; |
100 | ||
9d91a6f7 PZ |
101 | struct lost_event { |
102 | struct perf_event_header header; | |
9cffa8d5 PM |
103 | u64 id; |
104 | u64 lost; | |
9d91a6f7 PZ |
105 | }; |
106 | ||
e9ea2fde PZ |
107 | struct read_event { |
108 | struct perf_event_header header; | |
109 | u32 pid,tid; | |
110 | u64 value; | |
111 | u64 format[3]; | |
112 | }; | |
113 | ||
b2fef076 IM |
114 | typedef union event_union { |
115 | struct perf_event_header header; | |
116 | struct ip_event ip; | |
117 | struct mmap_event mmap; | |
118 | struct comm_event comm; | |
119 | struct fork_event fork; | |
120 | struct period_event period; | |
9d91a6f7 | 121 | struct lost_event lost; |
e9ea2fde | 122 | struct read_event read; |
8fa66bdc ACM |
123 | } event_t; |
124 | ||
8fa66bdc ACM |
125 | static LIST_HEAD(dsos); |
126 | static struct dso *kernel_dso; | |
fc54db51 | 127 | static struct dso *vdso; |
fb9c8188 | 128 | static struct dso *hypervisor_dso; |
8fa66bdc ACM |
129 | |
130 | static void dsos__add(struct dso *dso) | |
131 | { | |
132 | list_add_tail(&dso->node, &dsos); | |
133 | } | |
134 | ||
135 | static struct dso *dsos__find(const char *name) | |
136 | { | |
137 | struct dso *pos; | |
138 | ||
139 | list_for_each_entry(pos, &dsos, node) | |
140 | if (strcmp(pos->name, name) == 0) | |
141 | return pos; | |
142 | return NULL; | |
143 | } | |
144 | ||
145 | static struct dso *dsos__findnew(const char *name) | |
146 | { | |
147 | struct dso *dso = dsos__find(name); | |
b7a16eac | 148 | int nr; |
8fa66bdc | 149 | |
4593bba8 IM |
150 | if (dso) |
151 | return dso; | |
152 | ||
153 | dso = dso__new(name, 0); | |
154 | if (!dso) | |
155 | goto out_delete_dso; | |
8fa66bdc | 156 | |
bd74137e | 157 | nr = dso__load(dso, NULL, verbose); |
4593bba8 | 158 | if (nr < 0) { |
7522060c | 159 | eprintf("Failed to open: %s\n", name); |
4593bba8 | 160 | goto out_delete_dso; |
8fa66bdc | 161 | } |
7522060c IM |
162 | if (!nr) |
163 | eprintf("No symbols found in: %s, maybe install a debug package?\n", name); | |
4593bba8 IM |
164 | |
165 | dsos__add(dso); | |
8fa66bdc ACM |
166 | |
167 | return dso; | |
168 | ||
169 | out_delete_dso: | |
170 | dso__delete(dso); | |
171 | return NULL; | |
172 | } | |
173 | ||
16f762a2 | 174 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
175 | { |
176 | struct dso *pos; | |
177 | ||
178 | list_for_each_entry(pos, &dsos, node) | |
179 | dso__fprintf(pos, fp); | |
180 | } | |
181 | ||
9cffa8d5 | 182 | static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip) |
fc54db51 | 183 | { |
f37a291c | 184 | return dso__find_symbol(dso, ip); |
fc54db51 PZ |
185 | } |
186 | ||
450aaa2b PZ |
187 | static int load_kernel(void) |
188 | { | |
a827c875 | 189 | int err; |
450aaa2b | 190 | |
0085c954 | 191 | kernel_dso = dso__new("[kernel]", 0); |
450aaa2b | 192 | if (!kernel_dso) |
a2928c42 | 193 | return -1; |
450aaa2b | 194 | |
42976487 | 195 | err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules); |
9974f496 | 196 | if (err <= 0) { |
a2928c42 ACM |
197 | dso__delete(kernel_dso); |
198 | kernel_dso = NULL; | |
199 | } else | |
200 | dsos__add(kernel_dso); | |
450aaa2b | 201 | |
fc54db51 PZ |
202 | vdso = dso__new("[vdso]", 0); |
203 | if (!vdso) | |
204 | return -1; | |
205 | ||
206 | vdso->find_symbol = vdso__find_symbol; | |
207 | ||
208 | dsos__add(vdso); | |
209 | ||
fb9c8188 AB |
210 | hypervisor_dso = dso__new("[hypervisor]", 0); |
211 | if (!hypervisor_dso) | |
212 | return -1; | |
213 | dsos__add(hypervisor_dso); | |
214 | ||
a2928c42 | 215 | return err; |
450aaa2b PZ |
216 | } |
217 | ||
d80d338d IM |
218 | static char __cwd[PATH_MAX]; |
219 | static char *cwd = __cwd; | |
220 | static int cwdlen; | |
221 | ||
222 | static int strcommon(const char *pathname) | |
b78c07d4 ACM |
223 | { |
224 | int n = 0; | |
225 | ||
226 | while (pathname[n] == cwd[n] && n < cwdlen) | |
227 | ++n; | |
228 | ||
229 | return n; | |
230 | } | |
231 | ||
8fa66bdc ACM |
232 | struct map { |
233 | struct list_head node; | |
9cffa8d5 PM |
234 | u64 start; |
235 | u64 end; | |
236 | u64 pgoff; | |
237 | u64 (*map_ip)(struct map *, u64); | |
8fa66bdc ACM |
238 | struct dso *dso; |
239 | }; | |
240 | ||
9cffa8d5 | 241 | static u64 map__map_ip(struct map *map, u64 ip) |
fc54db51 PZ |
242 | { |
243 | return ip - map->start + map->pgoff; | |
244 | } | |
245 | ||
f37a291c | 246 | static u64 vdso__map_ip(struct map *map __used, u64 ip) |
fc54db51 PZ |
247 | { |
248 | return ip; | |
249 | } | |
250 | ||
80d496be PE |
251 | static inline int is_anon_memory(const char *filename) |
252 | { | |
cc8b88b1 | 253 | return strcmp(filename, "//anon") == 0; |
80d496be PE |
254 | } |
255 | ||
d80d338d | 256 | static struct map *map__new(struct mmap_event *event) |
8fa66bdc ACM |
257 | { |
258 | struct map *self = malloc(sizeof(*self)); | |
259 | ||
260 | if (self != NULL) { | |
b78c07d4 ACM |
261 | const char *filename = event->filename; |
262 | char newfilename[PATH_MAX]; | |
80d496be | 263 | int anon; |
b78c07d4 ACM |
264 | |
265 | if (cwd) { | |
d80d338d IM |
266 | int n = strcommon(filename); |
267 | ||
b78c07d4 ACM |
268 | if (n == cwdlen) { |
269 | snprintf(newfilename, sizeof(newfilename), | |
270 | ".%s", filename + n); | |
271 | filename = newfilename; | |
272 | } | |
273 | } | |
274 | ||
80d496be PE |
275 | anon = is_anon_memory(filename); |
276 | ||
277 | if (anon) { | |
278 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid); | |
279 | filename = newfilename; | |
280 | } | |
281 | ||
8fa66bdc ACM |
282 | self->start = event->start; |
283 | self->end = event->start + event->len; | |
284 | self->pgoff = event->pgoff; | |
285 | ||
b78c07d4 | 286 | self->dso = dsos__findnew(filename); |
8fa66bdc ACM |
287 | if (self->dso == NULL) |
288 | goto out_delete; | |
fc54db51 | 289 | |
80d496be | 290 | if (self->dso == vdso || anon) |
fc54db51 PZ |
291 | self->map_ip = vdso__map_ip; |
292 | else | |
293 | self->map_ip = map__map_ip; | |
8fa66bdc ACM |
294 | } |
295 | return self; | |
296 | out_delete: | |
297 | free(self); | |
298 | return NULL; | |
299 | } | |
300 | ||
62fc4453 PZ |
301 | static struct map *map__clone(struct map *self) |
302 | { | |
303 | struct map *map = malloc(sizeof(*self)); | |
304 | ||
305 | if (!map) | |
306 | return NULL; | |
307 | ||
308 | memcpy(map, self, sizeof(*self)); | |
309 | ||
310 | return map; | |
311 | } | |
312 | ||
313 | static int map__overlap(struct map *l, struct map *r) | |
314 | { | |
315 | if (l->start > r->start) { | |
316 | struct map *t = l; | |
317 | l = r; | |
318 | r = t; | |
319 | } | |
320 | ||
321 | if (l->end > r->start) | |
322 | return 1; | |
323 | ||
324 | return 0; | |
325 | } | |
3a4b8cc7 | 326 | |
9ac99545 ACM |
327 | static size_t map__fprintf(struct map *self, FILE *fp) |
328 | { | |
729ff5e2 | 329 | return fprintf(fp, " %Lx-%Lx %Lx %s\n", |
9ac99545 ACM |
330 | self->start, self->end, self->pgoff, self->dso->name); |
331 | } | |
332 | ||
333 | ||
8fa66bdc | 334 | struct thread { |
ce7e4365 | 335 | struct rb_node rb_node; |
8fa66bdc | 336 | struct list_head maps; |
8fa66bdc ACM |
337 | pid_t pid; |
338 | char *comm; | |
339 | }; | |
340 | ||
341 | static struct thread *thread__new(pid_t pid) | |
342 | { | |
343 | struct thread *self = malloc(sizeof(*self)); | |
344 | ||
345 | if (self != NULL) { | |
346 | self->pid = pid; | |
8229289b | 347 | self->comm = malloc(32); |
0a520c63 | 348 | if (self->comm) |
8229289b | 349 | snprintf(self->comm, 32, ":%d", self->pid); |
8fa66bdc | 350 | INIT_LIST_HEAD(&self->maps); |
8fa66bdc ACM |
351 | } |
352 | ||
353 | return self; | |
354 | } | |
355 | ||
8fa66bdc ACM |
356 | static int thread__set_comm(struct thread *self, const char *comm) |
357 | { | |
8229289b PZ |
358 | if (self->comm) |
359 | free(self->comm); | |
8fa66bdc ACM |
360 | self->comm = strdup(comm); |
361 | return self->comm ? 0 : -ENOMEM; | |
362 | } | |
363 | ||
9ac99545 ACM |
364 | static size_t thread__fprintf(struct thread *self, FILE *fp) |
365 | { | |
366 | struct map *pos; | |
367 | size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); | |
368 | ||
369 | list_for_each_entry(pos, &self->maps, node) | |
370 | ret += map__fprintf(pos, fp); | |
371 | ||
372 | return ret; | |
373 | } | |
374 | ||
375 | ||
16f762a2 | 376 | static struct rb_root threads; |
eed4dcd4 | 377 | static struct thread *last_match; |
8fa66bdc | 378 | |
ce7e4365 | 379 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 380 | { |
ce7e4365 ACM |
381 | struct rb_node **p = &threads.rb_node; |
382 | struct rb_node *parent = NULL; | |
383 | struct thread *th; | |
8fa66bdc | 384 | |
eed4dcd4 IM |
385 | /* |
386 | * Font-end cache - PID lookups come in blocks, | |
387 | * so most of the time we dont have to look up | |
388 | * the full rbtree: | |
389 | */ | |
390 | if (last_match && last_match->pid == pid) | |
391 | return last_match; | |
392 | ||
ce7e4365 ACM |
393 | while (*p != NULL) { |
394 | parent = *p; | |
395 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 396 | |
eed4dcd4 IM |
397 | if (th->pid == pid) { |
398 | last_match = th; | |
ce7e4365 | 399 | return th; |
eed4dcd4 | 400 | } |
8fa66bdc | 401 | |
ce7e4365 ACM |
402 | if (pid < th->pid) |
403 | p = &(*p)->rb_left; | |
404 | else | |
405 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
406 | } |
407 | ||
ce7e4365 ACM |
408 | th = thread__new(pid); |
409 | if (th != NULL) { | |
410 | rb_link_node(&th->rb_node, parent, p); | |
411 | rb_insert_color(&th->rb_node, &threads); | |
eed4dcd4 | 412 | last_match = th; |
ce7e4365 | 413 | } |
eed4dcd4 | 414 | |
ce7e4365 | 415 | return th; |
8fa66bdc ACM |
416 | } |
417 | ||
418 | static void thread__insert_map(struct thread *self, struct map *map) | |
419 | { | |
62fc4453 PZ |
420 | struct map *pos, *tmp; |
421 | ||
422 | list_for_each_entry_safe(pos, tmp, &self->maps, node) { | |
423 | if (map__overlap(pos, map)) { | |
3d906ef1 PZ |
424 | if (verbose >= 2) { |
425 | printf("overlapping maps:\n"); | |
426 | map__fprintf(map, stdout); | |
427 | map__fprintf(pos, stdout); | |
428 | } | |
429 | ||
430 | if (map->start <= pos->start && map->end > pos->start) | |
431 | pos->start = map->end; | |
432 | ||
433 | if (map->end >= pos->end && map->start < pos->end) | |
434 | pos->end = map->start; | |
435 | ||
436 | if (verbose >= 2) { | |
437 | printf("after collision:\n"); | |
438 | map__fprintf(pos, stdout); | |
439 | } | |
440 | ||
441 | if (pos->start >= pos->end) { | |
442 | list_del_init(&pos->node); | |
443 | free(pos); | |
444 | } | |
62fc4453 PZ |
445 | } |
446 | } | |
447 | ||
8fa66bdc ACM |
448 | list_add_tail(&map->node, &self->maps); |
449 | } | |
450 | ||
62fc4453 PZ |
451 | static int thread__fork(struct thread *self, struct thread *parent) |
452 | { | |
453 | struct map *map; | |
454 | ||
455 | if (self->comm) | |
456 | free(self->comm); | |
457 | self->comm = strdup(parent->comm); | |
458 | if (!self->comm) | |
459 | return -ENOMEM; | |
460 | ||
461 | list_for_each_entry(map, &parent->maps, node) { | |
462 | struct map *new = map__clone(map); | |
463 | if (!new) | |
464 | return -ENOMEM; | |
465 | thread__insert_map(self, new); | |
466 | } | |
467 | ||
468 | return 0; | |
469 | } | |
470 | ||
9cffa8d5 | 471 | static struct map *thread__find_map(struct thread *self, u64 ip) |
8fa66bdc | 472 | { |
16f762a2 IM |
473 | struct map *pos; |
474 | ||
8fa66bdc ACM |
475 | if (self == NULL) |
476 | return NULL; | |
477 | ||
8fa66bdc ACM |
478 | list_for_each_entry(pos, &self->maps, node) |
479 | if (ip >= pos->start && ip <= pos->end) | |
480 | return pos; | |
481 | ||
482 | return NULL; | |
483 | } | |
484 | ||
9ac99545 ACM |
485 | static size_t threads__fprintf(FILE *fp) |
486 | { | |
487 | size_t ret = 0; | |
488 | struct rb_node *nd; | |
489 | ||
490 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
491 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
492 | ||
493 | ret += thread__fprintf(pos, fp); | |
494 | } | |
495 | ||
496 | return ret; | |
497 | } | |
498 | ||
e7fb08b1 PZ |
499 | /* |
500 | * histogram, sorted on item, collects counts | |
501 | */ | |
502 | ||
503 | static struct rb_root hist; | |
504 | ||
505 | struct hist_entry { | |
f55c5552 FW |
506 | struct rb_node rb_node; |
507 | ||
508 | struct thread *thread; | |
509 | struct map *map; | |
510 | struct dso *dso; | |
511 | struct symbol *sym; | |
512 | struct symbol *parent; | |
513 | u64 ip; | |
514 | char level; | |
515 | struct callchain_node callchain; | |
516 | struct rb_root sorted_chain; | |
517 | ||
518 | u64 count; | |
e7fb08b1 PZ |
519 | }; |
520 | ||
1aa16738 PZ |
521 | /* |
522 | * configurable sorting bits | |
523 | */ | |
524 | ||
525 | struct sort_entry { | |
526 | struct list_head list; | |
527 | ||
ca8cdeef PZ |
528 | char *header; |
529 | ||
1aa16738 | 530 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 531 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
1aa16738 PZ |
532 | size_t (*print)(FILE *fp, struct hist_entry *); |
533 | }; | |
534 | ||
6e7d6fdc PZ |
535 | static int64_t cmp_null(void *l, void *r) |
536 | { | |
537 | if (!l && !r) | |
538 | return 0; | |
539 | else if (!l) | |
540 | return -1; | |
541 | else | |
542 | return 1; | |
543 | } | |
544 | ||
8229289b PZ |
545 | /* --sort pid */ |
546 | ||
e7fb08b1 | 547 | static int64_t |
1aa16738 | 548 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 549 | { |
1aa16738 PZ |
550 | return right->thread->pid - left->thread->pid; |
551 | } | |
552 | ||
553 | static size_t | |
554 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
555 | { | |
71dd8945 | 556 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 557 | } |
e7fb08b1 | 558 | |
1aa16738 | 559 | static struct sort_entry sort_thread = { |
71dd8945 | 560 | .header = " Command: Pid", |
1aa16738 PZ |
561 | .cmp = sort__thread_cmp, |
562 | .print = sort__thread_print, | |
563 | }; | |
564 | ||
8229289b PZ |
565 | /* --sort comm */ |
566 | ||
992444b1 PZ |
567 | static int64_t |
568 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
569 | { |
570 | return right->thread->pid - left->thread->pid; | |
571 | } | |
572 | ||
573 | static int64_t | |
574 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
575 | { |
576 | char *comm_l = left->thread->comm; | |
577 | char *comm_r = right->thread->comm; | |
578 | ||
6e7d6fdc PZ |
579 | if (!comm_l || !comm_r) |
580 | return cmp_null(comm_l, comm_r); | |
992444b1 PZ |
581 | |
582 | return strcmp(comm_l, comm_r); | |
583 | } | |
584 | ||
585 | static size_t | |
586 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
587 | { | |
71dd8945 | 588 | return fprintf(fp, "%16s", self->thread->comm); |
992444b1 PZ |
589 | } |
590 | ||
591 | static struct sort_entry sort_comm = { | |
8edd4286 | 592 | .header = " Command", |
8229289b PZ |
593 | .cmp = sort__comm_cmp, |
594 | .collapse = sort__comm_collapse, | |
595 | .print = sort__comm_print, | |
992444b1 PZ |
596 | }; |
597 | ||
8229289b PZ |
598 | /* --sort dso */ |
599 | ||
55e5ec41 PZ |
600 | static int64_t |
601 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
602 | { | |
603 | struct dso *dso_l = left->dso; | |
604 | struct dso *dso_r = right->dso; | |
605 | ||
6e7d6fdc PZ |
606 | if (!dso_l || !dso_r) |
607 | return cmp_null(dso_l, dso_r); | |
55e5ec41 PZ |
608 | |
609 | return strcmp(dso_l->name, dso_r->name); | |
610 | } | |
611 | ||
612 | static size_t | |
613 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
614 | { | |
0a520c63 | 615 | if (self->dso) |
71dd8945 | 616 | return fprintf(fp, "%-25s", self->dso->name); |
0a520c63 | 617 | |
9cffa8d5 | 618 | return fprintf(fp, "%016llx ", (u64)self->ip); |
55e5ec41 PZ |
619 | } |
620 | ||
621 | static struct sort_entry sort_dso = { | |
71dd8945 | 622 | .header = "Shared Object ", |
55e5ec41 PZ |
623 | .cmp = sort__dso_cmp, |
624 | .print = sort__dso_print, | |
625 | }; | |
626 | ||
8229289b PZ |
627 | /* --sort symbol */ |
628 | ||
1aa16738 PZ |
629 | static int64_t |
630 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
631 | { | |
9cffa8d5 | 632 | u64 ip_l, ip_r; |
e7fb08b1 PZ |
633 | |
634 | if (left->sym == right->sym) | |
635 | return 0; | |
636 | ||
637 | ip_l = left->sym ? left->sym->start : left->ip; | |
638 | ip_r = right->sym ? right->sym->start : right->ip; | |
639 | ||
640 | return (int64_t)(ip_r - ip_l); | |
641 | } | |
642 | ||
1aa16738 PZ |
643 | static size_t |
644 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
645 | { | |
646 | size_t ret = 0; | |
647 | ||
1aa16738 | 648 | if (verbose) |
9cffa8d5 | 649 | ret += fprintf(fp, "%#018llx ", (u64)self->ip); |
0a520c63 | 650 | |
8edd4286 IM |
651 | if (self->sym) { |
652 | ret += fprintf(fp, "[%c] %s", | |
fb9c8188 AB |
653 | self->dso == kernel_dso ? 'k' : |
654 | self->dso == hypervisor_dso ? 'h' : '.', self->sym->name); | |
42976487 MG |
655 | |
656 | if (self->sym->module) | |
657 | ret += fprintf(fp, "\t[%s]", self->sym->module->name); | |
8edd4286 | 658 | } else { |
9cffa8d5 | 659 | ret += fprintf(fp, "%#016llx", (u64)self->ip); |
8edd4286 | 660 | } |
1aa16738 PZ |
661 | |
662 | return ret; | |
663 | } | |
664 | ||
665 | static struct sort_entry sort_sym = { | |
71dd8945 | 666 | .header = "Symbol", |
ca8cdeef PZ |
667 | .cmp = sort__sym_cmp, |
668 | .print = sort__sym_print, | |
1aa16738 PZ |
669 | }; |
670 | ||
b25bcf2f | 671 | /* --sort parent */ |
6e7d6fdc PZ |
672 | |
673 | static int64_t | |
b25bcf2f | 674 | sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) |
6e7d6fdc | 675 | { |
b25bcf2f IM |
676 | struct symbol *sym_l = left->parent; |
677 | struct symbol *sym_r = right->parent; | |
6e7d6fdc PZ |
678 | |
679 | if (!sym_l || !sym_r) | |
680 | return cmp_null(sym_l, sym_r); | |
681 | ||
682 | return strcmp(sym_l->name, sym_r->name); | |
683 | } | |
684 | ||
685 | static size_t | |
b25bcf2f | 686 | sort__parent_print(FILE *fp, struct hist_entry *self) |
6e7d6fdc PZ |
687 | { |
688 | size_t ret = 0; | |
689 | ||
b25bcf2f | 690 | ret += fprintf(fp, "%-20s", self->parent ? self->parent->name : "[other]"); |
6e7d6fdc PZ |
691 | |
692 | return ret; | |
693 | } | |
694 | ||
b25bcf2f IM |
695 | static struct sort_entry sort_parent = { |
696 | .header = "Parent symbol ", | |
697 | .cmp = sort__parent_cmp, | |
698 | .print = sort__parent_print, | |
6e7d6fdc PZ |
699 | }; |
700 | ||
8229289b | 701 | static int sort__need_collapse = 0; |
b25bcf2f | 702 | static int sort__has_parent = 0; |
8229289b | 703 | |
37f440cb | 704 | struct sort_dimension { |
8edd4286 IM |
705 | char *name; |
706 | struct sort_entry *entry; | |
707 | int taken; | |
37f440cb PZ |
708 | }; |
709 | ||
710 | static struct sort_dimension sort_dimensions[] = { | |
711 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 712 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 713 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb | 714 | { .name = "symbol", .entry = &sort_sym, }, |
b25bcf2f | 715 | { .name = "parent", .entry = &sort_parent, }, |
37f440cb PZ |
716 | }; |
717 | ||
1aa16738 PZ |
718 | static LIST_HEAD(hist_entry__sort_list); |
719 | ||
37f440cb PZ |
720 | static int sort_dimension__add(char *tok) |
721 | { | |
f37a291c | 722 | unsigned int i; |
37f440cb PZ |
723 | |
724 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
725 | struct sort_dimension *sd = &sort_dimensions[i]; | |
726 | ||
727 | if (sd->taken) | |
728 | continue; | |
729 | ||
5352f35d | 730 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
731 | continue; |
732 | ||
8229289b PZ |
733 | if (sd->entry->collapse) |
734 | sort__need_collapse = 1; | |
735 | ||
b25bcf2f IM |
736 | if (sd->entry == &sort_parent) { |
737 | int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); | |
6e7d6fdc PZ |
738 | if (ret) { |
739 | char err[BUFSIZ]; | |
740 | ||
b25bcf2f IM |
741 | regerror(ret, &parent_regex, err, sizeof(err)); |
742 | fprintf(stderr, "Invalid regex: %s\n%s", | |
743 | parent_pattern, err); | |
6e7d6fdc PZ |
744 | exit(-1); |
745 | } | |
b25bcf2f | 746 | sort__has_parent = 1; |
6e7d6fdc PZ |
747 | } |
748 | ||
37f440cb PZ |
749 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
750 | sd->taken = 1; | |
5352f35d | 751 | |
37f440cb PZ |
752 | return 0; |
753 | } | |
754 | ||
755 | return -ESRCH; | |
756 | } | |
757 | ||
1aa16738 PZ |
758 | static int64_t |
759 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
760 | { | |
761 | struct sort_entry *se; | |
762 | int64_t cmp = 0; | |
763 | ||
764 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
765 | cmp = se->cmp(left, right); | |
766 | if (cmp) | |
767 | break; | |
768 | } | |
769 | ||
770 | return cmp; | |
771 | } | |
772 | ||
8229289b PZ |
773 | static int64_t |
774 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
775 | { | |
776 | struct sort_entry *se; | |
777 | int64_t cmp = 0; | |
778 | ||
779 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
780 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
781 | ||
782 | f = se->collapse ?: se->cmp; | |
783 | ||
784 | cmp = f(left, right); | |
785 | if (cmp) | |
786 | break; | |
787 | } | |
788 | ||
789 | return cmp; | |
790 | } | |
791 | ||
4eb3e478 FW |
792 | static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask) |
793 | { | |
794 | int i; | |
795 | size_t ret = 0; | |
796 | ||
797 | ret += fprintf(fp, "%s", " "); | |
798 | ||
799 | for (i = 0; i < depth; i++) | |
800 | if (depth_mask & (1 << i)) | |
801 | ret += fprintf(fp, "| "); | |
802 | else | |
803 | ret += fprintf(fp, " "); | |
804 | ||
805 | ret += fprintf(fp, "\n"); | |
806 | ||
807 | return ret; | |
808 | } | |
f55c5552 | 809 | static size_t |
4eb3e478 FW |
810 | ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth, |
811 | int depth_mask, int count, u64 total_samples, | |
812 | int hits) | |
813 | { | |
814 | int i; | |
815 | size_t ret = 0; | |
816 | ||
817 | ret += fprintf(fp, "%s", " "); | |
818 | for (i = 0; i < depth; i++) { | |
819 | if (depth_mask & (1 << i)) | |
820 | ret += fprintf(fp, "|"); | |
821 | else | |
822 | ret += fprintf(fp, " "); | |
823 | if (!count && i == depth - 1) { | |
824 | double percent; | |
825 | ||
826 | percent = hits * 100.0 / total_samples; | |
24b57c69 | 827 | ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent); |
4eb3e478 FW |
828 | } else |
829 | ret += fprintf(fp, "%s", " "); | |
830 | } | |
831 | if (chain->sym) | |
832 | ret += fprintf(fp, "%s\n", chain->sym->name); | |
833 | else | |
834 | ret += fprintf(fp, "%p\n", (void *)(long)chain->ip); | |
835 | ||
836 | return ret; | |
837 | } | |
838 | ||
839 | static size_t | |
840 | callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
841 | u64 total_samples, int depth, int depth_mask) | |
842 | { | |
843 | struct rb_node *node, *next; | |
844 | struct callchain_node *child; | |
845 | struct callchain_list *chain; | |
846 | int new_depth_mask = depth_mask; | |
847 | size_t ret = 0; | |
848 | int i; | |
849 | ||
850 | node = rb_first(&self->rb_root); | |
851 | while (node) { | |
852 | child = rb_entry(node, struct callchain_node, rb_node); | |
853 | ||
854 | /* | |
855 | * The depth mask manages the output of pipes that show | |
856 | * the depth. We don't want to keep the pipes of the current | |
857 | * level for the last child of this depth | |
858 | */ | |
859 | next = rb_next(node); | |
860 | if (!next) | |
861 | new_depth_mask &= ~(1 << (depth - 1)); | |
862 | ||
863 | /* | |
864 | * But we keep the older depth mask for the line seperator | |
865 | * to keep the level link until we reach the last child | |
866 | */ | |
867 | ret += ipchain__fprintf_graph_line(fp, depth, depth_mask); | |
868 | i = 0; | |
869 | list_for_each_entry(chain, &child->val, list) { | |
870 | if (chain->ip >= PERF_CONTEXT_MAX) | |
871 | continue; | |
872 | ret += ipchain__fprintf_graph(fp, chain, depth, | |
873 | new_depth_mask, i++, | |
874 | total_samples, | |
875 | child->cumul_hit); | |
876 | } | |
877 | ret += callchain__fprintf_graph(fp, child, total_samples, | |
878 | depth + 1, | |
879 | new_depth_mask | (1 << depth)); | |
880 | node = next; | |
881 | } | |
882 | ||
883 | return ret; | |
884 | } | |
885 | ||
886 | static size_t | |
887 | callchain__fprintf_flat(FILE *fp, struct callchain_node *self, | |
888 | u64 total_samples) | |
f55c5552 FW |
889 | { |
890 | struct callchain_list *chain; | |
891 | size_t ret = 0; | |
892 | ||
893 | if (!self) | |
894 | return 0; | |
895 | ||
4eb3e478 | 896 | ret += callchain__fprintf_flat(fp, self->parent, total_samples); |
f55c5552 FW |
897 | |
898 | ||
4424961a FW |
899 | list_for_each_entry(chain, &self->val, list) { |
900 | if (chain->ip >= PERF_CONTEXT_MAX) | |
901 | continue; | |
902 | if (chain->sym) | |
903 | ret += fprintf(fp, " %s\n", chain->sym->name); | |
904 | else | |
905 | ret += fprintf(fp, " %p\n", | |
f37a291c | 906 | (void *)(long)chain->ip); |
4424961a | 907 | } |
f55c5552 FW |
908 | |
909 | return ret; | |
910 | } | |
911 | ||
912 | static size_t | |
913 | hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, | |
914 | u64 total_samples) | |
915 | { | |
916 | struct rb_node *rb_node; | |
917 | struct callchain_node *chain; | |
918 | size_t ret = 0; | |
919 | ||
920 | rb_node = rb_first(&self->sorted_chain); | |
921 | while (rb_node) { | |
922 | double percent; | |
923 | ||
924 | chain = rb_entry(rb_node, struct callchain_node, rb_node); | |
925 | percent = chain->hit * 100.0 / total_samples; | |
4eb3e478 | 926 | if (callchain_mode == FLAT) { |
24b57c69 FW |
927 | ret += percent_color_fprintf(fp, " %6.2f%%\n", |
928 | percent); | |
4eb3e478 FW |
929 | ret += callchain__fprintf_flat(fp, chain, total_samples); |
930 | } else if (callchain_mode == GRAPH) { | |
931 | ret += callchain__fprintf_graph(fp, chain, | |
932 | total_samples, 1, 1); | |
933 | } | |
f55c5552 FW |
934 | ret += fprintf(fp, "\n"); |
935 | rb_node = rb_next(rb_node); | |
936 | } | |
937 | ||
938 | return ret; | |
939 | } | |
940 | ||
941 | ||
1aa16738 | 942 | static size_t |
9cffa8d5 | 943 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) |
1aa16738 PZ |
944 | { |
945 | struct sort_entry *se; | |
946 | size_t ret; | |
947 | ||
b8e6d829 IM |
948 | if (exclude_other && !self->parent) |
949 | return 0; | |
950 | ||
1e11fd82 FW |
951 | if (total_samples) |
952 | ret = percent_color_fprintf(fp, " %6.2f%%", | |
1aa16738 | 953 | (self->count * 100.0) / total_samples); |
1e11fd82 | 954 | else |
729ff5e2 | 955 | ret = fprintf(fp, "%12Ld ", self->count); |
1aa16738 | 956 | |
71dd8945 | 957 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
b8e6d829 IM |
958 | if (exclude_other && (se == &sort_parent)) |
959 | continue; | |
960 | ||
71dd8945 | 961 | fprintf(fp, " "); |
1aa16738 | 962 | ret += se->print(fp, self); |
71dd8945 | 963 | } |
1aa16738 PZ |
964 | |
965 | ret += fprintf(fp, "\n"); | |
966 | ||
f55c5552 FW |
967 | if (callchain) |
968 | hist_entry_callchain__fprintf(fp, self, total_samples); | |
969 | ||
1aa16738 PZ |
970 | return ret; |
971 | } | |
972 | ||
6e7d6fdc PZ |
973 | /* |
974 | * | |
975 | */ | |
976 | ||
977 | static struct symbol * | |
978 | resolve_symbol(struct thread *thread, struct map **mapp, | |
9cffa8d5 | 979 | struct dso **dsop, u64 *ipp) |
6e7d6fdc PZ |
980 | { |
981 | struct dso *dso = dsop ? *dsop : NULL; | |
982 | struct map *map = mapp ? *mapp : NULL; | |
520f2c34 | 983 | u64 ip = *ipp; |
6e7d6fdc PZ |
984 | |
985 | if (!thread) | |
986 | return NULL; | |
987 | ||
988 | if (dso) | |
989 | goto got_dso; | |
990 | ||
991 | if (map) | |
992 | goto got_map; | |
993 | ||
994 | map = thread__find_map(thread, ip); | |
995 | if (map != NULL) { | |
996 | if (mapp) | |
997 | *mapp = map; | |
998 | got_map: | |
999 | ip = map->map_ip(map, ip); | |
6e7d6fdc PZ |
1000 | |
1001 | dso = map->dso; | |
1002 | } else { | |
1003 | /* | |
1004 | * If this is outside of all known maps, | |
1005 | * and is a negative address, try to look it | |
1006 | * up in the kernel dso, as it might be a | |
1007 | * vsyscall (which executes in user-mode): | |
1008 | */ | |
1009 | if ((long long)ip < 0) | |
1010 | dso = kernel_dso; | |
1011 | } | |
1012 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); | |
520f2c34 PZ |
1013 | dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip); |
1014 | *ipp = ip; | |
6e7d6fdc PZ |
1015 | |
1016 | if (dsop) | |
1017 | *dsop = dso; | |
1018 | ||
1019 | if (!dso) | |
1020 | return NULL; | |
1021 | got_dso: | |
1022 | return dso->find_symbol(dso, ip); | |
1023 | } | |
1024 | ||
2a0a50fe | 1025 | static int call__match(struct symbol *sym) |
6e7d6fdc | 1026 | { |
b25bcf2f | 1027 | if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) |
2a0a50fe | 1028 | return 1; |
6e7d6fdc | 1029 | |
2a0a50fe | 1030 | return 0; |
6e7d6fdc PZ |
1031 | } |
1032 | ||
4424961a | 1033 | static struct symbol ** |
f37a291c | 1034 | resolve_callchain(struct thread *thread, struct map *map __used, |
4424961a FW |
1035 | struct ip_callchain *chain, struct hist_entry *entry) |
1036 | { | |
4424961a | 1037 | u64 context = PERF_CONTEXT_MAX; |
029e5b16 | 1038 | struct symbol **syms = NULL; |
f37a291c | 1039 | unsigned int i; |
4424961a FW |
1040 | |
1041 | if (callchain) { | |
1042 | syms = calloc(chain->nr, sizeof(*syms)); | |
1043 | if (!syms) { | |
1044 | fprintf(stderr, "Can't allocate memory for symbols\n"); | |
1045 | exit(-1); | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | for (i = 0; i < chain->nr; i++) { | |
1050 | u64 ip = chain->ips[i]; | |
1051 | struct dso *dso = NULL; | |
1052 | struct symbol *sym; | |
1053 | ||
1054 | if (ip >= PERF_CONTEXT_MAX) { | |
1055 | context = ip; | |
1056 | continue; | |
1057 | } | |
1058 | ||
1059 | switch (context) { | |
88a69dfb IM |
1060 | case PERF_CONTEXT_HV: |
1061 | dso = hypervisor_dso; | |
1062 | break; | |
4424961a FW |
1063 | case PERF_CONTEXT_KERNEL: |
1064 | dso = kernel_dso; | |
1065 | break; | |
1066 | default: | |
1067 | break; | |
1068 | } | |
1069 | ||
1070 | sym = resolve_symbol(thread, NULL, &dso, &ip); | |
1071 | ||
1072 | if (sym) { | |
1073 | if (sort__has_parent && call__match(sym) && | |
1074 | !entry->parent) | |
1075 | entry->parent = sym; | |
1076 | if (!callchain) | |
1077 | break; | |
1078 | syms[i] = sym; | |
1079 | } | |
1080 | } | |
1081 | ||
1082 | return syms; | |
1083 | } | |
1084 | ||
1aa16738 PZ |
1085 | /* |
1086 | * collect histogram counts | |
1087 | */ | |
1088 | ||
e7fb08b1 PZ |
1089 | static int |
1090 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
9cffa8d5 PM |
1091 | struct symbol *sym, u64 ip, struct ip_callchain *chain, |
1092 | char level, u64 count) | |
8fa66bdc | 1093 | { |
e7fb08b1 PZ |
1094 | struct rb_node **p = &hist.rb_node; |
1095 | struct rb_node *parent = NULL; | |
1096 | struct hist_entry *he; | |
4424961a | 1097 | struct symbol **syms = NULL; |
e7fb08b1 PZ |
1098 | struct hist_entry entry = { |
1099 | .thread = thread, | |
1100 | .map = map, | |
1101 | .dso = dso, | |
1102 | .sym = sym, | |
1103 | .ip = ip, | |
1104 | .level = level, | |
ea1900e5 | 1105 | .count = count, |
b8e6d829 | 1106 | .parent = NULL, |
f55c5552 | 1107 | .sorted_chain = RB_ROOT |
e7fb08b1 PZ |
1108 | }; |
1109 | int cmp; | |
1110 | ||
4424961a FW |
1111 | if ((sort__has_parent || callchain) && chain) |
1112 | syms = resolve_callchain(thread, map, chain, &entry); | |
6e7d6fdc | 1113 | |
e7fb08b1 PZ |
1114 | while (*p != NULL) { |
1115 | parent = *p; | |
1116 | he = rb_entry(parent, struct hist_entry, rb_node); | |
1117 | ||
1118 | cmp = hist_entry__cmp(&entry, he); | |
1119 | ||
1120 | if (!cmp) { | |
ea1900e5 | 1121 | he->count += count; |
4424961a FW |
1122 | if (callchain) { |
1123 | append_chain(&he->callchain, chain, syms); | |
1124 | free(syms); | |
1125 | } | |
e7fb08b1 PZ |
1126 | return 0; |
1127 | } | |
1128 | ||
1129 | if (cmp < 0) | |
1130 | p = &(*p)->rb_left; | |
1131 | else | |
1132 | p = &(*p)->rb_right; | |
ce7e4365 | 1133 | } |
e7fb08b1 PZ |
1134 | |
1135 | he = malloc(sizeof(*he)); | |
1136 | if (!he) | |
1137 | return -ENOMEM; | |
1138 | *he = entry; | |
f55c5552 FW |
1139 | if (callchain) { |
1140 | callchain_init(&he->callchain); | |
4424961a FW |
1141 | append_chain(&he->callchain, chain, syms); |
1142 | free(syms); | |
f55c5552 | 1143 | } |
e7fb08b1 PZ |
1144 | rb_link_node(&he->rb_node, parent, p); |
1145 | rb_insert_color(&he->rb_node, &hist); | |
1146 | ||
1147 | return 0; | |
8fa66bdc ACM |
1148 | } |
1149 | ||
8229289b PZ |
1150 | static void hist_entry__free(struct hist_entry *he) |
1151 | { | |
1152 | free(he); | |
1153 | } | |
1154 | ||
1155 | /* | |
1156 | * collapse the histogram | |
1157 | */ | |
1158 | ||
1159 | static struct rb_root collapse_hists; | |
1160 | ||
1161 | static void collapse__insert_entry(struct hist_entry *he) | |
1162 | { | |
1163 | struct rb_node **p = &collapse_hists.rb_node; | |
1164 | struct rb_node *parent = NULL; | |
1165 | struct hist_entry *iter; | |
1166 | int64_t cmp; | |
1167 | ||
1168 | while (*p != NULL) { | |
1169 | parent = *p; | |
1170 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
1171 | ||
1172 | cmp = hist_entry__collapse(iter, he); | |
1173 | ||
1174 | if (!cmp) { | |
1175 | iter->count += he->count; | |
1176 | hist_entry__free(he); | |
1177 | return; | |
1178 | } | |
1179 | ||
1180 | if (cmp < 0) | |
1181 | p = &(*p)->rb_left; | |
1182 | else | |
1183 | p = &(*p)->rb_right; | |
1184 | } | |
1185 | ||
1186 | rb_link_node(&he->rb_node, parent, p); | |
1187 | rb_insert_color(&he->rb_node, &collapse_hists); | |
1188 | } | |
1189 | ||
1190 | static void collapse__resort(void) | |
1191 | { | |
1192 | struct rb_node *next; | |
1193 | struct hist_entry *n; | |
1194 | ||
1195 | if (!sort__need_collapse) | |
1196 | return; | |
1197 | ||
1198 | next = rb_first(&hist); | |
1199 | while (next) { | |
1200 | n = rb_entry(next, struct hist_entry, rb_node); | |
1201 | next = rb_next(&n->rb_node); | |
1202 | ||
1203 | rb_erase(&n->rb_node, &hist); | |
1204 | collapse__insert_entry(n); | |
1205 | } | |
1206 | } | |
1207 | ||
e7fb08b1 PZ |
1208 | /* |
1209 | * reverse the map, sort on count. | |
1210 | */ | |
1211 | ||
1212 | static struct rb_root output_hists; | |
1213 | ||
c20ab37e | 1214 | static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits) |
3a4b8cc7 | 1215 | { |
e7fb08b1 | 1216 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 1217 | struct rb_node *parent = NULL; |
e7fb08b1 | 1218 | struct hist_entry *iter; |
3a4b8cc7 | 1219 | |
4eb3e478 FW |
1220 | if (callchain) { |
1221 | if (callchain_mode == FLAT) | |
c20ab37e FW |
1222 | sort_chain_flat(&he->sorted_chain, &he->callchain, |
1223 | min_callchain_hits); | |
4eb3e478 | 1224 | else if (callchain_mode == GRAPH) |
c20ab37e FW |
1225 | sort_chain_graph(&he->sorted_chain, &he->callchain, |
1226 | min_callchain_hits); | |
4eb3e478 | 1227 | } |
f55c5552 | 1228 | |
3a4b8cc7 ACM |
1229 | while (*p != NULL) { |
1230 | parent = *p; | |
e7fb08b1 | 1231 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 1232 | |
e7fb08b1 | 1233 | if (he->count > iter->count) |
3a4b8cc7 ACM |
1234 | p = &(*p)->rb_left; |
1235 | else | |
1236 | p = &(*p)->rb_right; | |
1237 | } | |
1238 | ||
e7fb08b1 PZ |
1239 | rb_link_node(&he->rb_node, parent, p); |
1240 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
1241 | } |
1242 | ||
c20ab37e | 1243 | static void output__resort(u64 total_samples) |
3a4b8cc7 | 1244 | { |
8229289b | 1245 | struct rb_node *next; |
e7fb08b1 | 1246 | struct hist_entry *n; |
a4c43bea | 1247 | struct rb_root *tree = &hist; |
c20ab37e FW |
1248 | u64 min_callchain_hits; |
1249 | ||
1250 | min_callchain_hits = total_samples * (callchain_min_percent / 100); | |
3a4b8cc7 | 1251 | |
8229289b | 1252 | if (sort__need_collapse) |
a4c43bea ACM |
1253 | tree = &collapse_hists; |
1254 | ||
1255 | next = rb_first(tree); | |
8229289b | 1256 | |
e7fb08b1 PZ |
1257 | while (next) { |
1258 | n = rb_entry(next, struct hist_entry, rb_node); | |
1259 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 1260 | |
a4c43bea | 1261 | rb_erase(&n->rb_node, tree); |
c20ab37e | 1262 | output__insert_entry(n, min_callchain_hits); |
3a4b8cc7 ACM |
1263 | } |
1264 | } | |
1265 | ||
9cffa8d5 | 1266 | static size_t output__fprintf(FILE *fp, u64 total_samples) |
3a4b8cc7 | 1267 | { |
e7fb08b1 | 1268 | struct hist_entry *pos; |
2d65537e | 1269 | struct sort_entry *se; |
3a4b8cc7 ACM |
1270 | struct rb_node *nd; |
1271 | size_t ret = 0; | |
1272 | ||
71dd8945 | 1273 | fprintf(fp, "\n"); |
05ca061e | 1274 | fprintf(fp, "#\n"); |
9cffa8d5 | 1275 | fprintf(fp, "# (%Ld samples)\n", (u64)total_samples); |
ca8cdeef PZ |
1276 | fprintf(fp, "#\n"); |
1277 | ||
1278 | fprintf(fp, "# Overhead"); | |
b8e6d829 IM |
1279 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
1280 | if (exclude_other && (se == &sort_parent)) | |
1281 | continue; | |
71dd8945 | 1282 | fprintf(fp, " %s", se->header); |
b8e6d829 | 1283 | } |
ca8cdeef PZ |
1284 | fprintf(fp, "\n"); |
1285 | ||
1286 | fprintf(fp, "# ........"); | |
2d65537e | 1287 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
f37a291c | 1288 | unsigned int i; |
ca8cdeef | 1289 | |
b8e6d829 IM |
1290 | if (exclude_other && (se == &sort_parent)) |
1291 | continue; | |
1292 | ||
4593bba8 | 1293 | fprintf(fp, " "); |
71dd8945 | 1294 | for (i = 0; i < strlen(se->header); i++) |
ca8cdeef | 1295 | fprintf(fp, "."); |
2d65537e | 1296 | } |
ca8cdeef PZ |
1297 | fprintf(fp, "\n"); |
1298 | ||
1299 | fprintf(fp, "#\n"); | |
2d65537e | 1300 | |
e7fb08b1 PZ |
1301 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
1302 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
1303 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
1304 | } |
1305 | ||
b8e6d829 IM |
1306 | if (sort_order == default_sort_order && |
1307 | parent_pattern == default_parent_pattern) { | |
bd74137e | 1308 | fprintf(fp, "#\n"); |
71dd8945 | 1309 | fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); |
bd74137e IM |
1310 | fprintf(fp, "#\n"); |
1311 | } | |
71dd8945 | 1312 | fprintf(fp, "\n"); |
bd74137e | 1313 | |
3a4b8cc7 ACM |
1314 | return ret; |
1315 | } | |
1316 | ||
436224a6 PZ |
1317 | static void register_idle_thread(void) |
1318 | { | |
1319 | struct thread *thread = threads__findnew(0); | |
1320 | ||
1321 | if (thread == NULL || | |
1322 | thread__set_comm(thread, "[idle]")) { | |
1323 | fprintf(stderr, "problem inserting idle task.\n"); | |
1324 | exit(-1); | |
1325 | } | |
1326 | } | |
1327 | ||
62fc4453 PZ |
1328 | static unsigned long total = 0, |
1329 | total_mmap = 0, | |
1330 | total_comm = 0, | |
1331 | total_fork = 0, | |
9d91a6f7 PZ |
1332 | total_unknown = 0, |
1333 | total_lost = 0; | |
e7fb08b1 | 1334 | |
2a0a50fe | 1335 | static int validate_chain(struct ip_callchain *chain, event_t *event) |
7522060c IM |
1336 | { |
1337 | unsigned int chain_size; | |
1338 | ||
7522060c IM |
1339 | chain_size = event->header.size; |
1340 | chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event; | |
1341 | ||
9cffa8d5 | 1342 | if (chain->nr*sizeof(u64) > chain_size) |
7522060c IM |
1343 | return -1; |
1344 | ||
1345 | return 0; | |
1346 | } | |
1347 | ||
d80d338d | 1348 | static int |
e6e18ec7 | 1349 | process_sample_event(event_t *event, unsigned long offset, unsigned long head) |
75051724 IM |
1350 | { |
1351 | char level; | |
1352 | int show = 0; | |
1353 | struct dso *dso = NULL; | |
1354 | struct thread *thread = threads__findnew(event->ip.pid); | |
9cffa8d5 PM |
1355 | u64 ip = event->ip.ip; |
1356 | u64 period = 1; | |
75051724 | 1357 | struct map *map = NULL; |
3efa1cc9 | 1358 | void *more_data = event->ip.__more_data; |
2a0a50fe | 1359 | struct ip_callchain *chain = NULL; |
d8db1b57 | 1360 | int cpumode; |
75051724 | 1361 | |
e6e18ec7 | 1362 | if (sample_type & PERF_SAMPLE_PERIOD) { |
9cffa8d5 PM |
1363 | period = *(u64 *)more_data; |
1364 | more_data += sizeof(u64); | |
3efa1cc9 | 1365 | } |
ea1900e5 | 1366 | |
e6e18ec7 | 1367 | dprintf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d: %p period: %Ld\n", |
75051724 IM |
1368 | (void *)(offset + head), |
1369 | (void *)(long)(event->header.size), | |
1370 | event->header.misc, | |
1371 | event->ip.pid, | |
4502d77c | 1372 | (void *)(long)ip, |
ea1900e5 | 1373 | (long long)period); |
75051724 | 1374 | |
e6e18ec7 | 1375 | if (sample_type & PERF_SAMPLE_CALLCHAIN) { |
f37a291c | 1376 | unsigned int i; |
3efa1cc9 IM |
1377 | |
1378 | chain = (void *)more_data; | |
1379 | ||
2a0a50fe | 1380 | dprintf("... chain: nr:%Lu\n", chain->nr); |
3efa1cc9 | 1381 | |
7522060c IM |
1382 | if (validate_chain(chain, event) < 0) { |
1383 | eprintf("call-chain problem with event, skipping it.\n"); | |
1384 | return 0; | |
1385 | } | |
1386 | ||
1387 | if (dump_trace) { | |
3efa1cc9 | 1388 | for (i = 0; i < chain->nr; i++) |
2a0a50fe | 1389 | dprintf("..... %2d: %016Lx\n", i, chain->ips[i]); |
3efa1cc9 IM |
1390 | } |
1391 | } | |
1392 | ||
75051724 IM |
1393 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
1394 | ||
1395 | if (thread == NULL) { | |
7522060c | 1396 | eprintf("problem processing %d event, skipping it.\n", |
75051724 IM |
1397 | event->header.type); |
1398 | return -1; | |
1399 | } | |
e7fb08b1 | 1400 | |
cc8b88b1 ACM |
1401 | if (comm_list && !strlist__has_entry(comm_list, thread->comm)) |
1402 | return 0; | |
1403 | ||
d8db1b57 AB |
1404 | cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK; |
1405 | ||
1406 | if (cpumode == PERF_EVENT_MISC_KERNEL) { | |
75051724 IM |
1407 | show = SHOW_KERNEL; |
1408 | level = 'k'; | |
e7fb08b1 | 1409 | |
75051724 | 1410 | dso = kernel_dso; |
ed966aac | 1411 | |
75051724 | 1412 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 1413 | |
d8db1b57 | 1414 | } else if (cpumode == PERF_EVENT_MISC_USER) { |
16f762a2 | 1415 | |
75051724 IM |
1416 | show = SHOW_USER; |
1417 | level = '.'; | |
e7fb08b1 | 1418 | |
75051724 IM |
1419 | } else { |
1420 | show = SHOW_HV; | |
1421 | level = 'H'; | |
fb9c8188 AB |
1422 | |
1423 | dso = hypervisor_dso; | |
1424 | ||
75051724 IM |
1425 | dprintf(" ...... dso: [hypervisor]\n"); |
1426 | } | |
8fa66bdc | 1427 | |
75051724 | 1428 | if (show & show_mask) { |
6e7d6fdc | 1429 | struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip); |
8fa66bdc | 1430 | |
25903407 ACM |
1431 | if (dso_list && dso && dso->name && !strlist__has_entry(dso_list, dso->name)) |
1432 | return 0; | |
1433 | ||
7bec7a91 ACM |
1434 | if (sym_list && sym && !strlist__has_entry(sym_list, sym->name)) |
1435 | return 0; | |
1436 | ||
6e7d6fdc | 1437 | if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) { |
7522060c | 1438 | eprintf("problem incrementing symbol count, skipping event\n"); |
d80d338d | 1439 | return -1; |
ce7e4365 | 1440 | } |
8fa66bdc | 1441 | } |
ea1900e5 | 1442 | total += period; |
8fa66bdc | 1443 | |
75051724 IM |
1444 | return 0; |
1445 | } | |
3502973d | 1446 | |
75051724 IM |
1447 | static int |
1448 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
1449 | { | |
1450 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1451 | struct map *map = map__new(&event->mmap); | |
1452 | ||
62fc4453 | 1453 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
1454 | (void *)(offset + head), |
1455 | (void *)(long)(event->header.size), | |
62fc4453 | 1456 | event->mmap.pid, |
75051724 IM |
1457 | (void *)(long)event->mmap.start, |
1458 | (void *)(long)event->mmap.len, | |
1459 | (void *)(long)event->mmap.pgoff, | |
1460 | event->mmap.filename); | |
1461 | ||
1462 | if (thread == NULL || map == NULL) { | |
1463 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 1464 | return 0; |
75051724 IM |
1465 | } |
1466 | ||
1467 | thread__insert_map(thread, map); | |
1468 | total_mmap++; | |
1469 | ||
1470 | return 0; | |
1471 | } | |
1472 | ||
1473 | static int | |
1474 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
1475 | { | |
1476 | struct thread *thread = threads__findnew(event->comm.pid); | |
1477 | ||
1478 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
1479 | (void *)(offset + head), | |
1480 | (void *)(long)(event->header.size), | |
1481 | event->comm.comm, event->comm.pid); | |
1482 | ||
1483 | if (thread == NULL || | |
1484 | thread__set_comm(thread, event->comm.comm)) { | |
1485 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
1486 | return -1; | |
8fa66bdc | 1487 | } |
75051724 IM |
1488 | total_comm++; |
1489 | ||
1490 | return 0; | |
1491 | } | |
1492 | ||
62fc4453 PZ |
1493 | static int |
1494 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | |
1495 | { | |
1496 | struct thread *thread = threads__findnew(event->fork.pid); | |
1497 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1498 | ||
1499 | dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", | |
1500 | (void *)(offset + head), | |
1501 | (void *)(long)(event->header.size), | |
1502 | event->fork.pid, event->fork.ppid); | |
1503 | ||
1504 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1505 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1506 | return -1; | |
1507 | } | |
1508 | total_fork++; | |
1509 | ||
1510 | return 0; | |
1511 | } | |
1512 | ||
b2fef076 IM |
1513 | static int |
1514 | process_period_event(event_t *event, unsigned long offset, unsigned long head) | |
1515 | { | |
1516 | dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n", | |
1517 | (void *)(offset + head), | |
1518 | (void *)(long)(event->header.size), | |
1519 | event->period.time, | |
1520 | event->period.id, | |
1521 | event->period.sample_period); | |
1522 | ||
1523 | return 0; | |
1524 | } | |
1525 | ||
9d91a6f7 PZ |
1526 | static int |
1527 | process_lost_event(event_t *event, unsigned long offset, unsigned long head) | |
1528 | { | |
1529 | dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n", | |
1530 | (void *)(offset + head), | |
1531 | (void *)(long)(event->header.size), | |
1532 | event->lost.id, | |
1533 | event->lost.lost); | |
1534 | ||
1535 | total_lost += event->lost.lost; | |
1536 | ||
1537 | return 0; | |
1538 | } | |
1539 | ||
8465b050 IM |
1540 | static void trace_event(event_t *event) |
1541 | { | |
1542 | unsigned char *raw_event = (void *)event; | |
3efa1cc9 | 1543 | char *color = PERF_COLOR_BLUE; |
8465b050 IM |
1544 | int i, j; |
1545 | ||
1546 | if (!dump_trace) | |
1547 | return; | |
1548 | ||
3efa1cc9 IM |
1549 | dprintf("."); |
1550 | cdprintf("\n. ... raw event: size %d bytes\n", event->header.size); | |
8465b050 IM |
1551 | |
1552 | for (i = 0; i < event->header.size; i++) { | |
3efa1cc9 IM |
1553 | if ((i & 15) == 0) { |
1554 | dprintf("."); | |
1555 | cdprintf(" %04x: ", i); | |
1556 | } | |
8465b050 | 1557 | |
3efa1cc9 | 1558 | cdprintf(" %02x", raw_event[i]); |
8465b050 IM |
1559 | |
1560 | if (((i & 15) == 15) || i == event->header.size-1) { | |
3efa1cc9 | 1561 | cdprintf(" "); |
8465b050 | 1562 | for (j = 0; j < 15-(i & 15); j++) |
3efa1cc9 | 1563 | cdprintf(" "); |
8465b050 | 1564 | for (j = 0; j < (i & 15); j++) { |
a73c7d84 | 1565 | if (isprint(raw_event[i-15+j])) |
3efa1cc9 | 1566 | cdprintf("%c", raw_event[i-15+j]); |
8465b050 | 1567 | else |
3efa1cc9 | 1568 | cdprintf("."); |
8465b050 | 1569 | } |
3efa1cc9 | 1570 | cdprintf("\n"); |
8465b050 IM |
1571 | } |
1572 | } | |
1573 | dprintf(".\n"); | |
1574 | } | |
1575 | ||
e9ea2fde PZ |
1576 | static int |
1577 | process_read_event(event_t *event, unsigned long offset, unsigned long head) | |
1578 | { | |
1579 | dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n", | |
1580 | (void *)(offset + head), | |
1581 | (void *)(long)(event->header.size), | |
1582 | event->read.pid, | |
1583 | event->read.tid, | |
1584 | event->read.value); | |
1585 | ||
1586 | return 0; | |
1587 | } | |
1588 | ||
75051724 IM |
1589 | static int |
1590 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1591 | { | |
8465b050 IM |
1592 | trace_event(event); |
1593 | ||
75051724 | 1594 | switch (event->header.type) { |
e6e18ec7 PZ |
1595 | case PERF_EVENT_SAMPLE: |
1596 | return process_sample_event(event, offset, head); | |
1597 | ||
75051724 IM |
1598 | case PERF_EVENT_MMAP: |
1599 | return process_mmap_event(event, offset, head); | |
1600 | ||
1601 | case PERF_EVENT_COMM: | |
1602 | return process_comm_event(event, offset, head); | |
1603 | ||
62fc4453 PZ |
1604 | case PERF_EVENT_FORK: |
1605 | return process_fork_event(event, offset, head); | |
1606 | ||
b2fef076 IM |
1607 | case PERF_EVENT_PERIOD: |
1608 | return process_period_event(event, offset, head); | |
9d91a6f7 PZ |
1609 | |
1610 | case PERF_EVENT_LOST: | |
1611 | return process_lost_event(event, offset, head); | |
1612 | ||
e9ea2fde PZ |
1613 | case PERF_EVENT_READ: |
1614 | return process_read_event(event, offset, head); | |
1615 | ||
d11444df IM |
1616 | /* |
1617 | * We dont process them right now but they are fine: | |
1618 | */ | |
62fc4453 | 1619 | |
d11444df IM |
1620 | case PERF_EVENT_THROTTLE: |
1621 | case PERF_EVENT_UNTHROTTLE: | |
1622 | return 0; | |
1623 | ||
d80d338d IM |
1624 | default: |
1625 | return -1; | |
1626 | } | |
1627 | ||
1628 | return 0; | |
1629 | } | |
1630 | ||
7c6a1c65 PZ |
1631 | static struct perf_header *header; |
1632 | ||
e6e18ec7 | 1633 | static u64 perf_header__sample_type(void) |
7c6a1c65 | 1634 | { |
e6e18ec7 | 1635 | u64 sample_type = 0; |
7c6a1c65 PZ |
1636 | int i; |
1637 | ||
1638 | for (i = 0; i < header->attrs; i++) { | |
1639 | struct perf_header_attr *attr = header->attr[i]; | |
1640 | ||
e6e18ec7 PZ |
1641 | if (!sample_type) |
1642 | sample_type = attr->attr.sample_type; | |
1643 | else if (sample_type != attr->attr.sample_type) | |
1644 | die("non matching sample_type"); | |
7c6a1c65 PZ |
1645 | } |
1646 | ||
e6e18ec7 | 1647 | return sample_type; |
7c6a1c65 | 1648 | } |
f5970550 | 1649 | |
d80d338d IM |
1650 | static int __cmd_report(void) |
1651 | { | |
75051724 | 1652 | int ret, rc = EXIT_FAILURE; |
d80d338d | 1653 | unsigned long offset = 0; |
7c6a1c65 | 1654 | unsigned long head, shift; |
d80d338d | 1655 | struct stat stat; |
d80d338d | 1656 | event_t *event; |
d80d338d | 1657 | uint32_t size; |
75051724 | 1658 | char *buf; |
d80d338d IM |
1659 | |
1660 | register_idle_thread(); | |
1661 | ||
1662 | input = open(input_name, O_RDONLY); | |
1663 | if (input < 0) { | |
a14832ff IM |
1664 | fprintf(stderr, " failed to open file: %s", input_name); |
1665 | if (!strcmp(input_name, "perf.data")) | |
1666 | fprintf(stderr, " (try 'perf record' first)"); | |
1667 | fprintf(stderr, "\n"); | |
d80d338d IM |
1668 | exit(-1); |
1669 | } | |
1670 | ||
1671 | ret = fstat(input, &stat); | |
1672 | if (ret < 0) { | |
1673 | perror("failed to stat file"); | |
1674 | exit(-1); | |
1675 | } | |
1676 | ||
1677 | if (!stat.st_size) { | |
1678 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1679 | exit(0); | |
1680 | } | |
1681 | ||
7c6a1c65 PZ |
1682 | header = perf_header__read(input); |
1683 | head = header->data_offset; | |
f5970550 | 1684 | |
e6e18ec7 PZ |
1685 | sample_type = perf_header__sample_type(); |
1686 | ||
91b4eaea FW |
1687 | if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
1688 | if (sort__has_parent) { | |
1689 | fprintf(stderr, "selected --sort parent, but no" | |
1690 | " callchain data. Did you call" | |
1691 | " perf record without -g?\n"); | |
1692 | exit(-1); | |
1693 | } | |
1694 | if (callchain) { | |
1695 | fprintf(stderr, "selected -c but no callchain data." | |
1696 | " Did you call perf record without" | |
1697 | " -g?\n"); | |
1698 | exit(-1); | |
1699 | } | |
f5970550 PZ |
1700 | } |
1701 | ||
d80d338d IM |
1702 | if (load_kernel() < 0) { |
1703 | perror("failed to load kernel symbols"); | |
1704 | return EXIT_FAILURE; | |
1705 | } | |
1706 | ||
1707 | if (!full_paths) { | |
1708 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1709 | perror("failed to get the current directory"); | |
1710 | return EXIT_FAILURE; | |
1711 | } | |
1712 | cwdlen = strlen(cwd); | |
1713 | } else { | |
1714 | cwd = NULL; | |
1715 | cwdlen = 0; | |
1716 | } | |
7c6a1c65 PZ |
1717 | |
1718 | shift = page_size * (head / page_size); | |
1719 | offset += shift; | |
1720 | head -= shift; | |
1721 | ||
d80d338d IM |
1722 | remap: |
1723 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1724 | MAP_SHARED, input, offset); | |
1725 | if (buf == MAP_FAILED) { | |
1726 | perror("failed to mmap file"); | |
1727 | exit(-1); | |
1728 | } | |
1729 | ||
1730 | more: | |
1731 | event = (event_t *)(buf + head); | |
1732 | ||
1733 | size = event->header.size; | |
1734 | if (!size) | |
1735 | size = 8; | |
1736 | ||
1737 | if (head + event->header.size >= page_size * mmap_window) { | |
d80d338d IM |
1738 | int ret; |
1739 | ||
7c6a1c65 PZ |
1740 | shift = page_size * (head / page_size); |
1741 | ||
d80d338d IM |
1742 | ret = munmap(buf, page_size * mmap_window); |
1743 | assert(ret == 0); | |
1744 | ||
1745 | offset += shift; | |
1746 | head -= shift; | |
1747 | goto remap; | |
1748 | } | |
1749 | ||
1750 | size = event->header.size; | |
1751 | ||
8465b050 | 1752 | dprintf("\n%p [%p]: event: %d\n", |
b2fef076 IM |
1753 | (void *)(offset + head), |
1754 | (void *)(long)event->header.size, | |
1755 | event->header.type); | |
1756 | ||
d80d338d IM |
1757 | if (!size || process_event(event, offset, head) < 0) { |
1758 | ||
3502973d IM |
1759 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1760 | (void *)(offset + head), | |
1761 | (void *)(long)(event->header.size), | |
1762 | event->header.type); | |
b7a16eac | 1763 | |
3e706114 | 1764 | total_unknown++; |
6142f9ec PZ |
1765 | |
1766 | /* | |
1767 | * assume we lost track of the stream, check alignment, and | |
1768 | * increment a single u64 in the hope to catch on again 'soon'. | |
1769 | */ | |
1770 | ||
1771 | if (unlikely(head & 7)) | |
1772 | head &= ~7ULL; | |
1773 | ||
1774 | size = 8; | |
97b07b69 | 1775 | } |
8fa66bdc | 1776 | |
6142f9ec | 1777 | head += size; |
f49515b1 | 1778 | |
7c6a1c65 | 1779 | if (offset + head >= header->data_offset + header->data_size) |
f5970550 PZ |
1780 | goto done; |
1781 | ||
f37a291c | 1782 | if (offset + head < (unsigned long)stat.st_size) |
8fa66bdc ACM |
1783 | goto more; |
1784 | ||
f5970550 | 1785 | done: |
8fa66bdc | 1786 | rc = EXIT_SUCCESS; |
8fa66bdc | 1787 | close(input); |
97b07b69 | 1788 | |
3502973d IM |
1789 | dprintf(" IP events: %10ld\n", total); |
1790 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1791 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1792 | dprintf(" fork events: %10ld\n", total_fork); |
9d91a6f7 | 1793 | dprintf(" lost events: %10ld\n", total_lost); |
3502973d | 1794 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1795 | |
3502973d | 1796 | if (dump_trace) |
97b07b69 | 1797 | return 0; |
97b07b69 | 1798 | |
9ac99545 ACM |
1799 | if (verbose >= 3) |
1800 | threads__fprintf(stdout); | |
1801 | ||
e7fb08b1 | 1802 | if (verbose >= 2) |
16f762a2 | 1803 | dsos__fprintf(stdout); |
16f762a2 | 1804 | |
8229289b | 1805 | collapse__resort(); |
c20ab37e | 1806 | output__resort(total); |
e7fb08b1 | 1807 | output__fprintf(stdout, total); |
8fa66bdc | 1808 | |
8fa66bdc ACM |
1809 | return rc; |
1810 | } | |
1811 | ||
4eb3e478 FW |
1812 | static int |
1813 | parse_callchain_opt(const struct option *opt __used, const char *arg, | |
1814 | int unset __used) | |
1815 | { | |
c20ab37e FW |
1816 | char *tok; |
1817 | char *endptr; | |
1818 | ||
4eb3e478 FW |
1819 | callchain = 1; |
1820 | ||
1821 | if (!arg) | |
1822 | return 0; | |
1823 | ||
c20ab37e FW |
1824 | tok = strtok((char *)arg, ","); |
1825 | if (!tok) | |
1826 | return -1; | |
1827 | ||
1828 | /* get the output mode */ | |
1829 | if (!strncmp(tok, "graph", strlen(arg))) | |
4eb3e478 FW |
1830 | callchain_mode = GRAPH; |
1831 | ||
c20ab37e | 1832 | else if (!strncmp(tok, "flat", strlen(arg))) |
4eb3e478 FW |
1833 | callchain_mode = FLAT; |
1834 | else | |
1835 | return -1; | |
1836 | ||
c20ab37e FW |
1837 | /* get the min percentage */ |
1838 | tok = strtok(NULL, ","); | |
1839 | if (!tok) | |
1840 | return 0; | |
1841 | ||
1842 | callchain_min_percent = strtod(tok, &endptr); | |
1843 | if (tok == endptr) | |
1844 | return -1; | |
1845 | ||
4eb3e478 FW |
1846 | return 0; |
1847 | } | |
1848 | ||
53cb8bc2 IM |
1849 | static const char * const report_usage[] = { |
1850 | "perf report [<options>] <command>", | |
1851 | NULL | |
1852 | }; | |
1853 | ||
1854 | static const struct option options[] = { | |
1855 | OPT_STRING('i', "input", &input_name, "file", | |
1856 | "input file name"), | |
815e777f ACM |
1857 | OPT_BOOLEAN('v', "verbose", &verbose, |
1858 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1859 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1860 | "dump raw trace in ASCII"), | |
450aaa2b | 1861 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
42976487 MG |
1862 | OPT_BOOLEAN('m', "modules", &modules, |
1863 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | |
63299f05 | 1864 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
b25bcf2f | 1865 | "sort by key(s): pid, comm, dso, symbol, parent"), |
b78c07d4 ACM |
1866 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1867 | "Don't shorten the pathnames taking into account the cwd"), | |
b25bcf2f IM |
1868 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
1869 | "regex filter to identify parent, see: '--sort parent'"), | |
b8e6d829 IM |
1870 | OPT_BOOLEAN('x', "exclude-other", &exclude_other, |
1871 | "Only display entries with parent-match"), | |
c20ab37e FW |
1872 | OPT_CALLBACK_DEFAULT('c', "callchain", NULL, "output_type,min_percent", |
1873 | "Display callchains using output_type and min percent threshold. " | |
1874 | "Default: flat,0", &parse_callchain_opt, "flat,100"), | |
25903407 ACM |
1875 | OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]", |
1876 | "only consider symbols in these dsos"), | |
cc8b88b1 ACM |
1877 | OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]", |
1878 | "only consider symbols in these comms"), | |
7bec7a91 ACM |
1879 | OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]", |
1880 | "only consider these symbols"), | |
53cb8bc2 IM |
1881 | OPT_END() |
1882 | }; | |
1883 | ||
5352f35d IM |
1884 | static void setup_sorting(void) |
1885 | { | |
1886 | char *tmp, *tok, *str = strdup(sort_order); | |
1887 | ||
1888 | for (tok = strtok_r(str, ", ", &tmp); | |
1889 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1890 | if (sort_dimension__add(tok) < 0) { | |
1891 | error("Unknown --sort key: `%s'", tok); | |
1892 | usage_with_options(report_usage, options); | |
1893 | } | |
1894 | } | |
1895 | ||
1896 | free(str); | |
1897 | } | |
1898 | ||
cc8b88b1 ACM |
1899 | static void setup_list(struct strlist **list, const char *list_str, |
1900 | const char *list_name) | |
1901 | { | |
1902 | if (list_str) { | |
1903 | *list = strlist__new(true, list_str); | |
1904 | if (!*list) { | |
1905 | fprintf(stderr, "problems parsing %s list\n", | |
1906 | list_name); | |
1907 | exit(129); | |
1908 | } | |
1909 | } | |
1910 | } | |
1911 | ||
f37a291c | 1912 | int cmd_report(int argc, const char **argv, const char *prefix __used) |
53cb8bc2 | 1913 | { |
a2928c42 | 1914 | symbol__init(); |
53cb8bc2 IM |
1915 | |
1916 | page_size = getpagesize(); | |
1917 | ||
edc52dea | 1918 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 1919 | |
1aa16738 PZ |
1920 | setup_sorting(); |
1921 | ||
b8e6d829 IM |
1922 | if (parent_pattern != default_parent_pattern) |
1923 | sort_dimension__add("parent"); | |
1924 | else | |
1925 | exclude_other = 0; | |
1926 | ||
edc52dea IM |
1927 | /* |
1928 | * Any (unrecognized) arguments left? | |
1929 | */ | |
1930 | if (argc) | |
1931 | usage_with_options(report_usage, options); | |
1932 | ||
cc8b88b1 ACM |
1933 | setup_list(&dso_list, dso_list_str, "dso"); |
1934 | setup_list(&comm_list, comm_list_str, "comm"); | |
7bec7a91 | 1935 | setup_list(&sym_list, sym_list_str, "symbol"); |
25903407 | 1936 | |
a930d2c0 IM |
1937 | setup_pager(); |
1938 | ||
53cb8bc2 IM |
1939 | return __cmd_report(); |
1940 | } |