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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" |
35a50c8a | 13 | #include "util/list.h" |
a930d2c0 | 14 | #include "util/cache.h" |
35a50c8a | 15 | #include "util/rbtree.h" |
a2928c42 | 16 | #include "util/symbol.h" |
a0055ae2 | 17 | #include "util/string.h" |
8fa66bdc | 18 | |
53cb8bc2 IM |
19 | #include "perf.h" |
20 | ||
21 | #include "util/parse-options.h" | |
22 | #include "util/parse-events.h" | |
23 | ||
8fa66bdc ACM |
24 | #define SHOW_KERNEL 1 |
25 | #define SHOW_USER 2 | |
26 | #define SHOW_HV 4 | |
27 | ||
23ac9cbe | 28 | static char const *input_name = "perf.data"; |
450aaa2b | 29 | static char *vmlinux = NULL; |
bd74137e IM |
30 | |
31 | static char default_sort_order[] = "comm,dso"; | |
32 | static char *sort_order = default_sort_order; | |
33 | ||
8fa66bdc ACM |
34 | static int input; |
35 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; | |
36 | ||
97b07b69 | 37 | static int dump_trace = 0; |
3502973d IM |
38 | #define dprintf(x...) do { if (dump_trace) printf(x); } while (0) |
39 | ||
16f762a2 | 40 | static int verbose; |
b78c07d4 | 41 | static int full_paths; |
97b07b69 | 42 | |
8fa66bdc ACM |
43 | static unsigned long page_size; |
44 | static unsigned long mmap_window = 32; | |
45 | ||
8fa66bdc ACM |
46 | struct ip_event { |
47 | struct perf_event_header header; | |
48 | __u64 ip; | |
49 | __u32 pid, tid; | |
50 | }; | |
75051724 | 51 | |
8fa66bdc ACM |
52 | struct mmap_event { |
53 | struct perf_event_header header; | |
54 | __u32 pid, tid; | |
55 | __u64 start; | |
56 | __u64 len; | |
57 | __u64 pgoff; | |
58 | char filename[PATH_MAX]; | |
59 | }; | |
75051724 | 60 | |
8fa66bdc ACM |
61 | struct comm_event { |
62 | struct perf_event_header header; | |
75051724 | 63 | __u32 pid, tid; |
8fa66bdc ACM |
64 | char comm[16]; |
65 | }; | |
66 | ||
62fc4453 PZ |
67 | struct fork_event { |
68 | struct perf_event_header header; | |
69 | __u32 pid, ppid; | |
70 | }; | |
71 | ||
8fa66bdc ACM |
72 | typedef union event_union { |
73 | struct perf_event_header header; | |
74 | struct ip_event ip; | |
75 | struct mmap_event mmap; | |
76 | struct comm_event comm; | |
62fc4453 | 77 | struct fork_event fork; |
8fa66bdc ACM |
78 | } event_t; |
79 | ||
8fa66bdc ACM |
80 | static LIST_HEAD(dsos); |
81 | static struct dso *kernel_dso; | |
82 | ||
83 | static void dsos__add(struct dso *dso) | |
84 | { | |
85 | list_add_tail(&dso->node, &dsos); | |
86 | } | |
87 | ||
88 | static struct dso *dsos__find(const char *name) | |
89 | { | |
90 | struct dso *pos; | |
91 | ||
92 | list_for_each_entry(pos, &dsos, node) | |
93 | if (strcmp(pos->name, name) == 0) | |
94 | return pos; | |
95 | return NULL; | |
96 | } | |
97 | ||
98 | static struct dso *dsos__findnew(const char *name) | |
99 | { | |
100 | struct dso *dso = dsos__find(name); | |
b7a16eac | 101 | int nr; |
8fa66bdc | 102 | |
4593bba8 IM |
103 | if (dso) |
104 | return dso; | |
105 | ||
106 | dso = dso__new(name, 0); | |
107 | if (!dso) | |
108 | goto out_delete_dso; | |
8fa66bdc | 109 | |
bd74137e | 110 | nr = dso__load(dso, NULL, verbose); |
4593bba8 | 111 | if (nr < 0) { |
bd74137e IM |
112 | if (verbose) |
113 | fprintf(stderr, "Failed to open: %s\n", name); | |
4593bba8 | 114 | goto out_delete_dso; |
8fa66bdc | 115 | } |
4593bba8 IM |
116 | if (!nr && verbose) { |
117 | fprintf(stderr, | |
118 | "No symbols found in: %s, maybe install a debug package?\n", | |
119 | name); | |
120 | } | |
121 | ||
122 | dsos__add(dso); | |
8fa66bdc ACM |
123 | |
124 | return dso; | |
125 | ||
126 | out_delete_dso: | |
127 | dso__delete(dso); | |
128 | return NULL; | |
129 | } | |
130 | ||
16f762a2 | 131 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
132 | { |
133 | struct dso *pos; | |
134 | ||
135 | list_for_each_entry(pos, &dsos, node) | |
136 | dso__fprintf(pos, fp); | |
137 | } | |
138 | ||
450aaa2b PZ |
139 | static int load_kernel(void) |
140 | { | |
a827c875 | 141 | int err; |
450aaa2b | 142 | |
0085c954 | 143 | kernel_dso = dso__new("[kernel]", 0); |
450aaa2b | 144 | if (!kernel_dso) |
a2928c42 | 145 | return -1; |
450aaa2b | 146 | |
bd74137e | 147 | err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); |
a2928c42 ACM |
148 | if (err) { |
149 | dso__delete(kernel_dso); | |
150 | kernel_dso = NULL; | |
151 | } else | |
152 | dsos__add(kernel_dso); | |
450aaa2b | 153 | |
a2928c42 | 154 | return err; |
450aaa2b PZ |
155 | } |
156 | ||
d80d338d IM |
157 | static char __cwd[PATH_MAX]; |
158 | static char *cwd = __cwd; | |
159 | static int cwdlen; | |
160 | ||
161 | static int strcommon(const char *pathname) | |
b78c07d4 ACM |
162 | { |
163 | int n = 0; | |
164 | ||
165 | while (pathname[n] == cwd[n] && n < cwdlen) | |
166 | ++n; | |
167 | ||
168 | return n; | |
169 | } | |
170 | ||
8fa66bdc ACM |
171 | struct map { |
172 | struct list_head node; | |
173 | uint64_t start; | |
174 | uint64_t end; | |
175 | uint64_t pgoff; | |
176 | struct dso *dso; | |
177 | }; | |
178 | ||
d80d338d | 179 | static struct map *map__new(struct mmap_event *event) |
8fa66bdc ACM |
180 | { |
181 | struct map *self = malloc(sizeof(*self)); | |
182 | ||
183 | if (self != NULL) { | |
b78c07d4 ACM |
184 | const char *filename = event->filename; |
185 | char newfilename[PATH_MAX]; | |
186 | ||
187 | if (cwd) { | |
d80d338d IM |
188 | int n = strcommon(filename); |
189 | ||
b78c07d4 ACM |
190 | if (n == cwdlen) { |
191 | snprintf(newfilename, sizeof(newfilename), | |
192 | ".%s", filename + n); | |
193 | filename = newfilename; | |
194 | } | |
195 | } | |
196 | ||
8fa66bdc ACM |
197 | self->start = event->start; |
198 | self->end = event->start + event->len; | |
199 | self->pgoff = event->pgoff; | |
200 | ||
b78c07d4 | 201 | self->dso = dsos__findnew(filename); |
8fa66bdc ACM |
202 | if (self->dso == NULL) |
203 | goto out_delete; | |
204 | } | |
205 | return self; | |
206 | out_delete: | |
207 | free(self); | |
208 | return NULL; | |
209 | } | |
210 | ||
62fc4453 PZ |
211 | static struct map *map__clone(struct map *self) |
212 | { | |
213 | struct map *map = malloc(sizeof(*self)); | |
214 | ||
215 | if (!map) | |
216 | return NULL; | |
217 | ||
218 | memcpy(map, self, sizeof(*self)); | |
219 | ||
220 | return map; | |
221 | } | |
222 | ||
223 | static int map__overlap(struct map *l, struct map *r) | |
224 | { | |
225 | if (l->start > r->start) { | |
226 | struct map *t = l; | |
227 | l = r; | |
228 | r = t; | |
229 | } | |
230 | ||
231 | if (l->end > r->start) | |
232 | return 1; | |
233 | ||
234 | return 0; | |
235 | } | |
3a4b8cc7 | 236 | |
9ac99545 ACM |
237 | static size_t map__fprintf(struct map *self, FILE *fp) |
238 | { | |
ee7b31fe | 239 | return fprintf(fp, " %"PRIx64"-%"PRIx64" %"PRIx64" %s\n", |
9ac99545 ACM |
240 | self->start, self->end, self->pgoff, self->dso->name); |
241 | } | |
242 | ||
243 | ||
8fa66bdc | 244 | struct thread { |
ce7e4365 | 245 | struct rb_node rb_node; |
8fa66bdc | 246 | struct list_head maps; |
8fa66bdc ACM |
247 | pid_t pid; |
248 | char *comm; | |
249 | }; | |
250 | ||
251 | static struct thread *thread__new(pid_t pid) | |
252 | { | |
253 | struct thread *self = malloc(sizeof(*self)); | |
254 | ||
255 | if (self != NULL) { | |
256 | self->pid = pid; | |
8229289b | 257 | self->comm = malloc(32); |
0a520c63 | 258 | if (self->comm) |
8229289b | 259 | snprintf(self->comm, 32, ":%d", self->pid); |
8fa66bdc | 260 | INIT_LIST_HEAD(&self->maps); |
8fa66bdc ACM |
261 | } |
262 | ||
263 | return self; | |
264 | } | |
265 | ||
8fa66bdc ACM |
266 | static int thread__set_comm(struct thread *self, const char *comm) |
267 | { | |
8229289b PZ |
268 | if (self->comm) |
269 | free(self->comm); | |
8fa66bdc ACM |
270 | self->comm = strdup(comm); |
271 | return self->comm ? 0 : -ENOMEM; | |
272 | } | |
273 | ||
9ac99545 ACM |
274 | static size_t thread__fprintf(struct thread *self, FILE *fp) |
275 | { | |
276 | struct map *pos; | |
277 | size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); | |
278 | ||
279 | list_for_each_entry(pos, &self->maps, node) | |
280 | ret += map__fprintf(pos, fp); | |
281 | ||
282 | return ret; | |
283 | } | |
284 | ||
285 | ||
16f762a2 | 286 | static struct rb_root threads; |
eed4dcd4 | 287 | static struct thread *last_match; |
8fa66bdc | 288 | |
ce7e4365 | 289 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 290 | { |
ce7e4365 ACM |
291 | struct rb_node **p = &threads.rb_node; |
292 | struct rb_node *parent = NULL; | |
293 | struct thread *th; | |
8fa66bdc | 294 | |
eed4dcd4 IM |
295 | /* |
296 | * Font-end cache - PID lookups come in blocks, | |
297 | * so most of the time we dont have to look up | |
298 | * the full rbtree: | |
299 | */ | |
300 | if (last_match && last_match->pid == pid) | |
301 | return last_match; | |
302 | ||
ce7e4365 ACM |
303 | while (*p != NULL) { |
304 | parent = *p; | |
305 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 306 | |
eed4dcd4 IM |
307 | if (th->pid == pid) { |
308 | last_match = th; | |
ce7e4365 | 309 | return th; |
eed4dcd4 | 310 | } |
8fa66bdc | 311 | |
ce7e4365 ACM |
312 | if (pid < th->pid) |
313 | p = &(*p)->rb_left; | |
314 | else | |
315 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
316 | } |
317 | ||
ce7e4365 ACM |
318 | th = thread__new(pid); |
319 | if (th != NULL) { | |
320 | rb_link_node(&th->rb_node, parent, p); | |
321 | rb_insert_color(&th->rb_node, &threads); | |
eed4dcd4 | 322 | last_match = th; |
ce7e4365 | 323 | } |
eed4dcd4 | 324 | |
ce7e4365 | 325 | return th; |
8fa66bdc ACM |
326 | } |
327 | ||
328 | static void thread__insert_map(struct thread *self, struct map *map) | |
329 | { | |
62fc4453 PZ |
330 | struct map *pos, *tmp; |
331 | ||
332 | list_for_each_entry_safe(pos, tmp, &self->maps, node) { | |
333 | if (map__overlap(pos, map)) { | |
334 | list_del_init(&pos->node); | |
335 | /* XXX leaks dsos */ | |
336 | free(pos); | |
337 | } | |
338 | } | |
339 | ||
8fa66bdc ACM |
340 | list_add_tail(&map->node, &self->maps); |
341 | } | |
342 | ||
62fc4453 PZ |
343 | static int thread__fork(struct thread *self, struct thread *parent) |
344 | { | |
345 | struct map *map; | |
346 | ||
347 | if (self->comm) | |
348 | free(self->comm); | |
349 | self->comm = strdup(parent->comm); | |
350 | if (!self->comm) | |
351 | return -ENOMEM; | |
352 | ||
353 | list_for_each_entry(map, &parent->maps, node) { | |
354 | struct map *new = map__clone(map); | |
355 | if (!new) | |
356 | return -ENOMEM; | |
357 | thread__insert_map(self, new); | |
358 | } | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
8fa66bdc ACM |
363 | static struct map *thread__find_map(struct thread *self, uint64_t ip) |
364 | { | |
16f762a2 IM |
365 | struct map *pos; |
366 | ||
8fa66bdc ACM |
367 | if (self == NULL) |
368 | return NULL; | |
369 | ||
8fa66bdc ACM |
370 | list_for_each_entry(pos, &self->maps, node) |
371 | if (ip >= pos->start && ip <= pos->end) | |
372 | return pos; | |
373 | ||
374 | return NULL; | |
375 | } | |
376 | ||
9ac99545 ACM |
377 | static size_t threads__fprintf(FILE *fp) |
378 | { | |
379 | size_t ret = 0; | |
380 | struct rb_node *nd; | |
381 | ||
382 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
383 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
384 | ||
385 | ret += thread__fprintf(pos, fp); | |
386 | } | |
387 | ||
388 | return ret; | |
389 | } | |
390 | ||
e7fb08b1 PZ |
391 | /* |
392 | * histogram, sorted on item, collects counts | |
393 | */ | |
394 | ||
395 | static struct rb_root hist; | |
396 | ||
397 | struct hist_entry { | |
398 | struct rb_node rb_node; | |
399 | ||
400 | struct thread *thread; | |
401 | struct map *map; | |
402 | struct dso *dso; | |
403 | struct symbol *sym; | |
404 | uint64_t ip; | |
405 | char level; | |
406 | ||
407 | uint32_t count; | |
408 | }; | |
409 | ||
1aa16738 PZ |
410 | /* |
411 | * configurable sorting bits | |
412 | */ | |
413 | ||
414 | struct sort_entry { | |
415 | struct list_head list; | |
416 | ||
ca8cdeef PZ |
417 | char *header; |
418 | ||
1aa16738 | 419 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 420 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
1aa16738 PZ |
421 | size_t (*print)(FILE *fp, struct hist_entry *); |
422 | }; | |
423 | ||
8229289b PZ |
424 | /* --sort pid */ |
425 | ||
e7fb08b1 | 426 | static int64_t |
1aa16738 | 427 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 428 | { |
1aa16738 PZ |
429 | return right->thread->pid - left->thread->pid; |
430 | } | |
431 | ||
432 | static size_t | |
433 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
434 | { | |
71dd8945 | 435 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 436 | } |
e7fb08b1 | 437 | |
1aa16738 | 438 | static struct sort_entry sort_thread = { |
71dd8945 | 439 | .header = " Command: Pid", |
1aa16738 PZ |
440 | .cmp = sort__thread_cmp, |
441 | .print = sort__thread_print, | |
442 | }; | |
443 | ||
8229289b PZ |
444 | /* --sort comm */ |
445 | ||
992444b1 PZ |
446 | static int64_t |
447 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
448 | { |
449 | return right->thread->pid - left->thread->pid; | |
450 | } | |
451 | ||
452 | static int64_t | |
453 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
454 | { |
455 | char *comm_l = left->thread->comm; | |
456 | char *comm_r = right->thread->comm; | |
457 | ||
458 | if (!comm_l || !comm_r) { | |
459 | if (!comm_l && !comm_r) | |
460 | return 0; | |
461 | else if (!comm_l) | |
462 | return -1; | |
463 | else | |
464 | return 1; | |
465 | } | |
466 | ||
467 | return strcmp(comm_l, comm_r); | |
468 | } | |
469 | ||
470 | static size_t | |
471 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
472 | { | |
71dd8945 | 473 | return fprintf(fp, "%16s", self->thread->comm); |
992444b1 PZ |
474 | } |
475 | ||
476 | static struct sort_entry sort_comm = { | |
71dd8945 | 477 | .header = " Command", |
8229289b PZ |
478 | .cmp = sort__comm_cmp, |
479 | .collapse = sort__comm_collapse, | |
480 | .print = sort__comm_print, | |
992444b1 PZ |
481 | }; |
482 | ||
8229289b PZ |
483 | /* --sort dso */ |
484 | ||
55e5ec41 PZ |
485 | static int64_t |
486 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
487 | { | |
488 | struct dso *dso_l = left->dso; | |
489 | struct dso *dso_r = right->dso; | |
490 | ||
491 | if (!dso_l || !dso_r) { | |
492 | if (!dso_l && !dso_r) | |
493 | return 0; | |
494 | else if (!dso_l) | |
495 | return -1; | |
496 | else | |
497 | return 1; | |
498 | } | |
499 | ||
500 | return strcmp(dso_l->name, dso_r->name); | |
501 | } | |
502 | ||
503 | static size_t | |
504 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
505 | { | |
0a520c63 | 506 | if (self->dso) |
71dd8945 | 507 | return fprintf(fp, "%-25s", self->dso->name); |
0a520c63 | 508 | |
71dd8945 | 509 | return fprintf(fp, "%016llx ", (__u64)self->ip); |
55e5ec41 PZ |
510 | } |
511 | ||
512 | static struct sort_entry sort_dso = { | |
71dd8945 | 513 | .header = "Shared Object ", |
55e5ec41 PZ |
514 | .cmp = sort__dso_cmp, |
515 | .print = sort__dso_print, | |
516 | }; | |
517 | ||
8229289b PZ |
518 | /* --sort symbol */ |
519 | ||
1aa16738 PZ |
520 | static int64_t |
521 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
522 | { | |
523 | uint64_t ip_l, ip_r; | |
e7fb08b1 PZ |
524 | |
525 | if (left->sym == right->sym) | |
526 | return 0; | |
527 | ||
528 | ip_l = left->sym ? left->sym->start : left->ip; | |
529 | ip_r = right->sym ? right->sym->start : right->ip; | |
530 | ||
531 | return (int64_t)(ip_r - ip_l); | |
532 | } | |
533 | ||
1aa16738 PZ |
534 | static size_t |
535 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
536 | { | |
537 | size_t ret = 0; | |
538 | ||
1aa16738 | 539 | if (verbose) |
71dd8945 | 540 | ret += fprintf(fp, "%#018llx ", (__u64)self->ip); |
0a520c63 | 541 | |
0a520c63 | 542 | if (self->sym) |
71dd8945 | 543 | ret += fprintf(fp, "%s", self->sym->name); |
0a520c63 | 544 | else |
71dd8945 | 545 | ret += fprintf(fp, "%#016llx", (__u64)self->ip); |
1aa16738 PZ |
546 | |
547 | return ret; | |
548 | } | |
549 | ||
550 | static struct sort_entry sort_sym = { | |
71dd8945 | 551 | .header = "Symbol", |
ca8cdeef PZ |
552 | .cmp = sort__sym_cmp, |
553 | .print = sort__sym_print, | |
1aa16738 PZ |
554 | }; |
555 | ||
8229289b PZ |
556 | static int sort__need_collapse = 0; |
557 | ||
37f440cb PZ |
558 | struct sort_dimension { |
559 | char *name; | |
560 | struct sort_entry *entry; | |
561 | int taken; | |
562 | }; | |
563 | ||
564 | static struct sort_dimension sort_dimensions[] = { | |
565 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 566 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 567 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb PZ |
568 | { .name = "symbol", .entry = &sort_sym, }, |
569 | }; | |
570 | ||
1aa16738 PZ |
571 | static LIST_HEAD(hist_entry__sort_list); |
572 | ||
37f440cb PZ |
573 | static int sort_dimension__add(char *tok) |
574 | { | |
575 | int i; | |
576 | ||
577 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
578 | struct sort_dimension *sd = &sort_dimensions[i]; | |
579 | ||
580 | if (sd->taken) | |
581 | continue; | |
582 | ||
5352f35d | 583 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
584 | continue; |
585 | ||
8229289b PZ |
586 | if (sd->entry->collapse) |
587 | sort__need_collapse = 1; | |
588 | ||
37f440cb PZ |
589 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
590 | sd->taken = 1; | |
5352f35d | 591 | |
37f440cb PZ |
592 | return 0; |
593 | } | |
594 | ||
595 | return -ESRCH; | |
596 | } | |
597 | ||
1aa16738 PZ |
598 | static int64_t |
599 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
600 | { | |
601 | struct sort_entry *se; | |
602 | int64_t cmp = 0; | |
603 | ||
604 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
605 | cmp = se->cmp(left, right); | |
606 | if (cmp) | |
607 | break; | |
608 | } | |
609 | ||
610 | return cmp; | |
611 | } | |
612 | ||
8229289b PZ |
613 | static int64_t |
614 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
615 | { | |
616 | struct sort_entry *se; | |
617 | int64_t cmp = 0; | |
618 | ||
619 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
620 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
621 | ||
622 | f = se->collapse ?: se->cmp; | |
623 | ||
624 | cmp = f(left, right); | |
625 | if (cmp) | |
626 | break; | |
627 | } | |
628 | ||
629 | return cmp; | |
630 | } | |
631 | ||
1aa16738 PZ |
632 | static size_t |
633 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, uint64_t total_samples) | |
634 | { | |
635 | struct sort_entry *se; | |
636 | size_t ret; | |
637 | ||
638 | if (total_samples) { | |
8fc0321f IM |
639 | double percent = self->count * 100.0 / total_samples; |
640 | char *color = PERF_COLOR_NORMAL; | |
641 | ||
642 | /* | |
643 | * We color high-overhead entries in red, low-overhead | |
644 | * entries in green - and keep the middle ground normal: | |
645 | */ | |
646 | if (percent >= 5.0) | |
647 | color = PERF_COLOR_RED; | |
648 | if (percent < 0.5) | |
649 | color = PERF_COLOR_GREEN; | |
650 | ||
651 | ret = color_fprintf(fp, color, " %6.2f%%", | |
1aa16738 PZ |
652 | (self->count * 100.0) / total_samples); |
653 | } else | |
654 | ret = fprintf(fp, "%12d ", self->count); | |
655 | ||
71dd8945 PZ |
656 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
657 | fprintf(fp, " "); | |
1aa16738 | 658 | ret += se->print(fp, self); |
71dd8945 | 659 | } |
1aa16738 PZ |
660 | |
661 | ret += fprintf(fp, "\n"); | |
662 | ||
663 | return ret; | |
664 | } | |
665 | ||
666 | /* | |
667 | * collect histogram counts | |
668 | */ | |
669 | ||
e7fb08b1 PZ |
670 | static int |
671 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
672 | struct symbol *sym, uint64_t ip, char level) | |
8fa66bdc | 673 | { |
e7fb08b1 PZ |
674 | struct rb_node **p = &hist.rb_node; |
675 | struct rb_node *parent = NULL; | |
676 | struct hist_entry *he; | |
677 | struct hist_entry entry = { | |
678 | .thread = thread, | |
679 | .map = map, | |
680 | .dso = dso, | |
681 | .sym = sym, | |
682 | .ip = ip, | |
683 | .level = level, | |
684 | .count = 1, | |
685 | }; | |
686 | int cmp; | |
687 | ||
688 | while (*p != NULL) { | |
689 | parent = *p; | |
690 | he = rb_entry(parent, struct hist_entry, rb_node); | |
691 | ||
692 | cmp = hist_entry__cmp(&entry, he); | |
693 | ||
694 | if (!cmp) { | |
695 | he->count++; | |
696 | return 0; | |
697 | } | |
698 | ||
699 | if (cmp < 0) | |
700 | p = &(*p)->rb_left; | |
701 | else | |
702 | p = &(*p)->rb_right; | |
ce7e4365 | 703 | } |
e7fb08b1 PZ |
704 | |
705 | he = malloc(sizeof(*he)); | |
706 | if (!he) | |
707 | return -ENOMEM; | |
708 | *he = entry; | |
709 | rb_link_node(&he->rb_node, parent, p); | |
710 | rb_insert_color(&he->rb_node, &hist); | |
711 | ||
712 | return 0; | |
8fa66bdc ACM |
713 | } |
714 | ||
8229289b PZ |
715 | static void hist_entry__free(struct hist_entry *he) |
716 | { | |
717 | free(he); | |
718 | } | |
719 | ||
720 | /* | |
721 | * collapse the histogram | |
722 | */ | |
723 | ||
724 | static struct rb_root collapse_hists; | |
725 | ||
726 | static void collapse__insert_entry(struct hist_entry *he) | |
727 | { | |
728 | struct rb_node **p = &collapse_hists.rb_node; | |
729 | struct rb_node *parent = NULL; | |
730 | struct hist_entry *iter; | |
731 | int64_t cmp; | |
732 | ||
733 | while (*p != NULL) { | |
734 | parent = *p; | |
735 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
736 | ||
737 | cmp = hist_entry__collapse(iter, he); | |
738 | ||
739 | if (!cmp) { | |
740 | iter->count += he->count; | |
741 | hist_entry__free(he); | |
742 | return; | |
743 | } | |
744 | ||
745 | if (cmp < 0) | |
746 | p = &(*p)->rb_left; | |
747 | else | |
748 | p = &(*p)->rb_right; | |
749 | } | |
750 | ||
751 | rb_link_node(&he->rb_node, parent, p); | |
752 | rb_insert_color(&he->rb_node, &collapse_hists); | |
753 | } | |
754 | ||
755 | static void collapse__resort(void) | |
756 | { | |
757 | struct rb_node *next; | |
758 | struct hist_entry *n; | |
759 | ||
760 | if (!sort__need_collapse) | |
761 | return; | |
762 | ||
763 | next = rb_first(&hist); | |
764 | while (next) { | |
765 | n = rb_entry(next, struct hist_entry, rb_node); | |
766 | next = rb_next(&n->rb_node); | |
767 | ||
768 | rb_erase(&n->rb_node, &hist); | |
769 | collapse__insert_entry(n); | |
770 | } | |
771 | } | |
772 | ||
e7fb08b1 PZ |
773 | /* |
774 | * reverse the map, sort on count. | |
775 | */ | |
776 | ||
777 | static struct rb_root output_hists; | |
778 | ||
779 | static void output__insert_entry(struct hist_entry *he) | |
3a4b8cc7 | 780 | { |
e7fb08b1 | 781 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 782 | struct rb_node *parent = NULL; |
e7fb08b1 | 783 | struct hist_entry *iter; |
3a4b8cc7 ACM |
784 | |
785 | while (*p != NULL) { | |
786 | parent = *p; | |
e7fb08b1 | 787 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 788 | |
e7fb08b1 | 789 | if (he->count > iter->count) |
3a4b8cc7 ACM |
790 | p = &(*p)->rb_left; |
791 | else | |
792 | p = &(*p)->rb_right; | |
793 | } | |
794 | ||
e7fb08b1 PZ |
795 | rb_link_node(&he->rb_node, parent, p); |
796 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
797 | } |
798 | ||
e7fb08b1 | 799 | static void output__resort(void) |
3a4b8cc7 | 800 | { |
8229289b | 801 | struct rb_node *next; |
e7fb08b1 | 802 | struct hist_entry *n; |
a4c43bea | 803 | struct rb_root *tree = &hist; |
3a4b8cc7 | 804 | |
8229289b | 805 | if (sort__need_collapse) |
a4c43bea ACM |
806 | tree = &collapse_hists; |
807 | ||
808 | next = rb_first(tree); | |
8229289b | 809 | |
e7fb08b1 PZ |
810 | while (next) { |
811 | n = rb_entry(next, struct hist_entry, rb_node); | |
812 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 813 | |
a4c43bea | 814 | rb_erase(&n->rb_node, tree); |
e7fb08b1 | 815 | output__insert_entry(n); |
3a4b8cc7 ACM |
816 | } |
817 | } | |
818 | ||
e7fb08b1 | 819 | static size_t output__fprintf(FILE *fp, uint64_t total_samples) |
3a4b8cc7 | 820 | { |
e7fb08b1 | 821 | struct hist_entry *pos; |
2d65537e | 822 | struct sort_entry *se; |
3a4b8cc7 ACM |
823 | struct rb_node *nd; |
824 | size_t ret = 0; | |
825 | ||
71dd8945 | 826 | fprintf(fp, "\n"); |
05ca061e IM |
827 | fprintf(fp, "#\n"); |
828 | fprintf(fp, "# (%Ld profiler events)\n", (__u64)total_samples); | |
ca8cdeef PZ |
829 | fprintf(fp, "#\n"); |
830 | ||
831 | fprintf(fp, "# Overhead"); | |
832 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
71dd8945 | 833 | fprintf(fp, " %s", se->header); |
ca8cdeef PZ |
834 | fprintf(fp, "\n"); |
835 | ||
836 | fprintf(fp, "# ........"); | |
2d65537e | 837 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
ca8cdeef PZ |
838 | int i; |
839 | ||
4593bba8 | 840 | fprintf(fp, " "); |
71dd8945 | 841 | for (i = 0; i < strlen(se->header); i++) |
ca8cdeef | 842 | fprintf(fp, "."); |
2d65537e | 843 | } |
ca8cdeef PZ |
844 | fprintf(fp, "\n"); |
845 | ||
846 | fprintf(fp, "#\n"); | |
2d65537e | 847 | |
e7fb08b1 PZ |
848 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
849 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
850 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
851 | } |
852 | ||
bd74137e IM |
853 | if (!strcmp(sort_order, default_sort_order)) { |
854 | fprintf(fp, "#\n"); | |
71dd8945 | 855 | fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n"); |
bd74137e IM |
856 | fprintf(fp, "#\n"); |
857 | } | |
71dd8945 | 858 | fprintf(fp, "\n"); |
bd74137e | 859 | |
3a4b8cc7 ACM |
860 | return ret; |
861 | } | |
862 | ||
436224a6 PZ |
863 | static void register_idle_thread(void) |
864 | { | |
865 | struct thread *thread = threads__findnew(0); | |
866 | ||
867 | if (thread == NULL || | |
868 | thread__set_comm(thread, "[idle]")) { | |
869 | fprintf(stderr, "problem inserting idle task.\n"); | |
870 | exit(-1); | |
871 | } | |
872 | } | |
873 | ||
62fc4453 PZ |
874 | static unsigned long total = 0, |
875 | total_mmap = 0, | |
876 | total_comm = 0, | |
877 | total_fork = 0, | |
878 | total_unknown = 0; | |
e7fb08b1 | 879 | |
d80d338d | 880 | static int |
75051724 IM |
881 | process_overflow_event(event_t *event, unsigned long offset, unsigned long head) |
882 | { | |
883 | char level; | |
884 | int show = 0; | |
885 | struct dso *dso = NULL; | |
886 | struct thread *thread = threads__findnew(event->ip.pid); | |
887 | uint64_t ip = event->ip.ip; | |
888 | struct map *map = NULL; | |
889 | ||
890 | dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", | |
891 | (void *)(offset + head), | |
892 | (void *)(long)(event->header.size), | |
893 | event->header.misc, | |
894 | event->ip.pid, | |
895 | (void *)(long)ip); | |
896 | ||
897 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); | |
898 | ||
899 | if (thread == NULL) { | |
900 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
901 | event->header.type); | |
902 | return -1; | |
903 | } | |
e7fb08b1 | 904 | |
75051724 IM |
905 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { |
906 | show = SHOW_KERNEL; | |
907 | level = 'k'; | |
e7fb08b1 | 908 | |
75051724 | 909 | dso = kernel_dso; |
ed966aac | 910 | |
75051724 | 911 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 912 | |
75051724 | 913 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
16f762a2 | 914 | |
75051724 IM |
915 | show = SHOW_USER; |
916 | level = '.'; | |
e7fb08b1 | 917 | |
75051724 IM |
918 | map = thread__find_map(thread, ip); |
919 | if (map != NULL) { | |
920 | dso = map->dso; | |
921 | ip -= map->start + map->pgoff; | |
8fa66bdc | 922 | } else { |
75051724 IM |
923 | /* |
924 | * If this is outside of all known maps, | |
925 | * and is a negative address, try to look it | |
926 | * up in the kernel dso, as it might be a | |
927 | * vsyscall (which executes in user-mode): | |
928 | */ | |
929 | if ((long long)ip < 0) | |
930 | dso = kernel_dso; | |
8fa66bdc | 931 | } |
75051724 IM |
932 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); |
933 | ||
934 | } else { | |
935 | show = SHOW_HV; | |
936 | level = 'H'; | |
937 | dprintf(" ...... dso: [hypervisor]\n"); | |
938 | } | |
8fa66bdc | 939 | |
75051724 IM |
940 | if (show & show_mask) { |
941 | struct symbol *sym = dso__find_symbol(dso, ip); | |
8fa66bdc | 942 | |
75051724 IM |
943 | if (hist_entry__add(thread, map, dso, sym, ip, level)) { |
944 | fprintf(stderr, | |
55717314 | 945 | "problem incrementing symbol count, skipping event\n"); |
d80d338d | 946 | return -1; |
ce7e4365 | 947 | } |
8fa66bdc | 948 | } |
75051724 | 949 | total++; |
8fa66bdc | 950 | |
75051724 IM |
951 | return 0; |
952 | } | |
3502973d | 953 | |
75051724 IM |
954 | static int |
955 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
956 | { | |
957 | struct thread *thread = threads__findnew(event->mmap.pid); | |
958 | struct map *map = map__new(&event->mmap); | |
959 | ||
62fc4453 | 960 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
961 | (void *)(offset + head), |
962 | (void *)(long)(event->header.size), | |
62fc4453 | 963 | event->mmap.pid, |
75051724 IM |
964 | (void *)(long)event->mmap.start, |
965 | (void *)(long)event->mmap.len, | |
966 | (void *)(long)event->mmap.pgoff, | |
967 | event->mmap.filename); | |
968 | ||
969 | if (thread == NULL || map == NULL) { | |
970 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 971 | return 0; |
75051724 IM |
972 | } |
973 | ||
974 | thread__insert_map(thread, map); | |
975 | total_mmap++; | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
980 | static int | |
981 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
982 | { | |
983 | struct thread *thread = threads__findnew(event->comm.pid); | |
984 | ||
985 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
986 | (void *)(offset + head), | |
987 | (void *)(long)(event->header.size), | |
988 | event->comm.comm, event->comm.pid); | |
989 | ||
990 | if (thread == NULL || | |
991 | thread__set_comm(thread, event->comm.comm)) { | |
992 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
993 | return -1; | |
8fa66bdc | 994 | } |
75051724 IM |
995 | total_comm++; |
996 | ||
997 | return 0; | |
998 | } | |
999 | ||
62fc4453 PZ |
1000 | static int |
1001 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | |
1002 | { | |
1003 | struct thread *thread = threads__findnew(event->fork.pid); | |
1004 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1005 | ||
1006 | dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", | |
1007 | (void *)(offset + head), | |
1008 | (void *)(long)(event->header.size), | |
1009 | event->fork.pid, event->fork.ppid); | |
1010 | ||
1011 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1012 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1013 | return -1; | |
1014 | } | |
1015 | total_fork++; | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
75051724 IM |
1020 | static int |
1021 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1022 | { | |
1023 | if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) | |
1024 | return process_overflow_event(event, offset, head); | |
1025 | ||
1026 | switch (event->header.type) { | |
1027 | case PERF_EVENT_MMAP: | |
1028 | return process_mmap_event(event, offset, head); | |
1029 | ||
1030 | case PERF_EVENT_COMM: | |
1031 | return process_comm_event(event, offset, head); | |
1032 | ||
62fc4453 PZ |
1033 | case PERF_EVENT_FORK: |
1034 | return process_fork_event(event, offset, head); | |
1035 | ||
d11444df IM |
1036 | /* |
1037 | * We dont process them right now but they are fine: | |
1038 | */ | |
62fc4453 | 1039 | |
d11444df IM |
1040 | case PERF_EVENT_PERIOD: |
1041 | case PERF_EVENT_THROTTLE: | |
1042 | case PERF_EVENT_UNTHROTTLE: | |
1043 | return 0; | |
1044 | ||
d80d338d IM |
1045 | default: |
1046 | return -1; | |
1047 | } | |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
1052 | static int __cmd_report(void) | |
1053 | { | |
75051724 | 1054 | int ret, rc = EXIT_FAILURE; |
d80d338d IM |
1055 | unsigned long offset = 0; |
1056 | unsigned long head = 0; | |
1057 | struct stat stat; | |
d80d338d | 1058 | event_t *event; |
d80d338d | 1059 | uint32_t size; |
75051724 | 1060 | char *buf; |
d80d338d IM |
1061 | |
1062 | register_idle_thread(); | |
1063 | ||
1064 | input = open(input_name, O_RDONLY); | |
1065 | if (input < 0) { | |
1066 | perror("failed to open file"); | |
1067 | exit(-1); | |
1068 | } | |
1069 | ||
1070 | ret = fstat(input, &stat); | |
1071 | if (ret < 0) { | |
1072 | perror("failed to stat file"); | |
1073 | exit(-1); | |
1074 | } | |
1075 | ||
1076 | if (!stat.st_size) { | |
1077 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1078 | exit(0); | |
1079 | } | |
1080 | ||
1081 | if (load_kernel() < 0) { | |
1082 | perror("failed to load kernel symbols"); | |
1083 | return EXIT_FAILURE; | |
1084 | } | |
1085 | ||
1086 | if (!full_paths) { | |
1087 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1088 | perror("failed to get the current directory"); | |
1089 | return EXIT_FAILURE; | |
1090 | } | |
1091 | cwdlen = strlen(cwd); | |
1092 | } else { | |
1093 | cwd = NULL; | |
1094 | cwdlen = 0; | |
1095 | } | |
1096 | remap: | |
1097 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1098 | MAP_SHARED, input, offset); | |
1099 | if (buf == MAP_FAILED) { | |
1100 | perror("failed to mmap file"); | |
1101 | exit(-1); | |
1102 | } | |
1103 | ||
1104 | more: | |
1105 | event = (event_t *)(buf + head); | |
1106 | ||
1107 | size = event->header.size; | |
1108 | if (!size) | |
1109 | size = 8; | |
1110 | ||
1111 | if (head + event->header.size >= page_size * mmap_window) { | |
1112 | unsigned long shift = page_size * (head / page_size); | |
1113 | int ret; | |
1114 | ||
1115 | ret = munmap(buf, page_size * mmap_window); | |
1116 | assert(ret == 0); | |
1117 | ||
1118 | offset += shift; | |
1119 | head -= shift; | |
1120 | goto remap; | |
1121 | } | |
1122 | ||
1123 | size = event->header.size; | |
1124 | ||
1125 | if (!size || process_event(event, offset, head) < 0) { | |
1126 | ||
3502973d IM |
1127 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1128 | (void *)(offset + head), | |
1129 | (void *)(long)(event->header.size), | |
1130 | event->header.type); | |
b7a16eac | 1131 | |
3e706114 | 1132 | total_unknown++; |
6142f9ec PZ |
1133 | |
1134 | /* | |
1135 | * assume we lost track of the stream, check alignment, and | |
1136 | * increment a single u64 in the hope to catch on again 'soon'. | |
1137 | */ | |
1138 | ||
1139 | if (unlikely(head & 7)) | |
1140 | head &= ~7ULL; | |
1141 | ||
1142 | size = 8; | |
97b07b69 | 1143 | } |
8fa66bdc | 1144 | |
6142f9ec | 1145 | head += size; |
f49515b1 | 1146 | |
8fa66bdc ACM |
1147 | if (offset + head < stat.st_size) |
1148 | goto more; | |
1149 | ||
1150 | rc = EXIT_SUCCESS; | |
8fa66bdc | 1151 | close(input); |
97b07b69 | 1152 | |
3502973d IM |
1153 | dprintf(" IP events: %10ld\n", total); |
1154 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1155 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1156 | dprintf(" fork events: %10ld\n", total_fork); |
3502973d | 1157 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1158 | |
3502973d | 1159 | if (dump_trace) |
97b07b69 | 1160 | return 0; |
97b07b69 | 1161 | |
9ac99545 ACM |
1162 | if (verbose >= 3) |
1163 | threads__fprintf(stdout); | |
1164 | ||
e7fb08b1 | 1165 | if (verbose >= 2) |
16f762a2 | 1166 | dsos__fprintf(stdout); |
16f762a2 | 1167 | |
8229289b | 1168 | collapse__resort(); |
e7fb08b1 PZ |
1169 | output__resort(); |
1170 | output__fprintf(stdout, total); | |
8fa66bdc | 1171 | |
8fa66bdc ACM |
1172 | return rc; |
1173 | } | |
1174 | ||
53cb8bc2 IM |
1175 | static const char * const report_usage[] = { |
1176 | "perf report [<options>] <command>", | |
1177 | NULL | |
1178 | }; | |
1179 | ||
1180 | static const struct option options[] = { | |
1181 | OPT_STRING('i', "input", &input_name, "file", | |
1182 | "input file name"), | |
815e777f ACM |
1183 | OPT_BOOLEAN('v', "verbose", &verbose, |
1184 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1185 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1186 | "dump raw trace in ASCII"), | |
450aaa2b | 1187 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
63299f05 IM |
1188 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
1189 | "sort by key(s): pid, comm, dso, symbol. Default: pid,symbol"), | |
b78c07d4 ACM |
1190 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1191 | "Don't shorten the pathnames taking into account the cwd"), | |
53cb8bc2 IM |
1192 | OPT_END() |
1193 | }; | |
1194 | ||
5352f35d IM |
1195 | static void setup_sorting(void) |
1196 | { | |
1197 | char *tmp, *tok, *str = strdup(sort_order); | |
1198 | ||
1199 | for (tok = strtok_r(str, ", ", &tmp); | |
1200 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
1201 | if (sort_dimension__add(tok) < 0) { | |
1202 | error("Unknown --sort key: `%s'", tok); | |
1203 | usage_with_options(report_usage, options); | |
1204 | } | |
1205 | } | |
1206 | ||
1207 | free(str); | |
1208 | } | |
1209 | ||
53cb8bc2 IM |
1210 | int cmd_report(int argc, const char **argv, const char *prefix) |
1211 | { | |
a2928c42 | 1212 | symbol__init(); |
53cb8bc2 IM |
1213 | |
1214 | page_size = getpagesize(); | |
1215 | ||
edc52dea | 1216 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 1217 | |
1aa16738 PZ |
1218 | setup_sorting(); |
1219 | ||
edc52dea IM |
1220 | /* |
1221 | * Any (unrecognized) arguments left? | |
1222 | */ | |
1223 | if (argc) | |
1224 | usage_with_options(report_usage, options); | |
1225 | ||
a930d2c0 IM |
1226 | setup_pager(); |
1227 | ||
53cb8bc2 IM |
1228 | return __cmd_report(); |
1229 | } |