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Commit | Line | Data |
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bf9e1876 IM |
1 | /* |
2 | * builtin-report.c | |
3 | * | |
4 | * Builtin report command: Analyze the perf.data input file, | |
5 | * look up and read DSOs and symbol information and display | |
6 | * a histogram of results, along various sorting keys. | |
7 | */ | |
16f762a2 | 8 | #include "builtin.h" |
53cb8bc2 | 9 | |
bf9e1876 IM |
10 | #include "util/util.h" |
11 | ||
8fc0321f | 12 | #include "util/color.h" |
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 | 33 | |
114cfab2 | 34 | static char default_sort_order[] = "comm,dso,symbol"; |
bd74137e | 35 | static char *sort_order = default_sort_order; |
52d422de ACM |
36 | static char *dso_list_str, *comm_list_str, *sym_list_str, |
37 | *col_width_list_str; | |
7bec7a91 | 38 | static struct strlist *dso_list, *comm_list, *sym_list; |
52d422de | 39 | static char *field_sep; |
bd74137e | 40 | |
8fa66bdc ACM |
41 | static int input; |
42 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; | |
43 | ||
97b07b69 | 44 | static int dump_trace = 0; |
3502973d | 45 | #define dprintf(x...) do { if (dump_trace) printf(x); } while (0) |
3efa1cc9 | 46 | #define cdprintf(x...) do { if (dump_trace) color_fprintf(stdout, color, x); } while (0) |
3502973d | 47 | |
16f762a2 | 48 | static int verbose; |
7522060c IM |
49 | #define eprintf(x...) do { if (verbose) fprintf(stderr, x); } while (0) |
50 | ||
42976487 MG |
51 | static int modules; |
52 | ||
b78c07d4 | 53 | static int full_paths; |
e3d7e183 | 54 | static int show_nr_samples; |
97b07b69 | 55 | |
8fa66bdc ACM |
56 | static unsigned long page_size; |
57 | static unsigned long mmap_window = 32; | |
58 | ||
b8e6d829 IM |
59 | static char default_parent_pattern[] = "^sys_|^do_page_fault"; |
60 | static char *parent_pattern = default_parent_pattern; | |
b25bcf2f | 61 | static regex_t parent_regex; |
6e7d6fdc | 62 | |
b8e6d829 | 63 | static int exclude_other = 1; |
be903885 | 64 | |
805d127d FW |
65 | static char callchain_default_opt[] = "fractal,0.5"; |
66 | ||
f55c5552 | 67 | static int callchain; |
805d127d FW |
68 | |
69 | static | |
70 | struct callchain_param callchain_param = { | |
71 | .mode = CHAIN_GRAPH_ABS, | |
72 | .min_percent = 0.5 | |
73 | }; | |
b8e6d829 | 74 | |
e6e18ec7 PZ |
75 | static u64 sample_type; |
76 | ||
8fa66bdc ACM |
77 | struct ip_event { |
78 | struct perf_event_header header; | |
9cffa8d5 PM |
79 | u64 ip; |
80 | u32 pid, tid; | |
3efa1cc9 | 81 | unsigned char __more_data[]; |
8fa66bdc | 82 | }; |
75051724 | 83 | |
8fa66bdc ACM |
84 | struct mmap_event { |
85 | struct perf_event_header header; | |
9cffa8d5 PM |
86 | u32 pid, tid; |
87 | u64 start; | |
88 | u64 len; | |
89 | u64 pgoff; | |
8fa66bdc ACM |
90 | char filename[PATH_MAX]; |
91 | }; | |
75051724 | 92 | |
8fa66bdc ACM |
93 | struct comm_event { |
94 | struct perf_event_header header; | |
9cffa8d5 | 95 | u32 pid, tid; |
8fa66bdc ACM |
96 | char comm[16]; |
97 | }; | |
98 | ||
62fc4453 PZ |
99 | struct fork_event { |
100 | struct perf_event_header header; | |
9cffa8d5 | 101 | u32 pid, ppid; |
27d028de | 102 | u32 tid, ptid; |
62fc4453 PZ |
103 | }; |
104 | ||
9d91a6f7 PZ |
105 | struct lost_event { |
106 | struct perf_event_header header; | |
9cffa8d5 PM |
107 | u64 id; |
108 | u64 lost; | |
9d91a6f7 PZ |
109 | }; |
110 | ||
e9ea2fde PZ |
111 | struct read_event { |
112 | struct perf_event_header header; | |
113 | u32 pid,tid; | |
114 | u64 value; | |
115 | u64 format[3]; | |
116 | }; | |
117 | ||
b2fef076 IM |
118 | typedef union event_union { |
119 | struct perf_event_header header; | |
120 | struct ip_event ip; | |
121 | struct mmap_event mmap; | |
122 | struct comm_event comm; | |
123 | struct fork_event fork; | |
9d91a6f7 | 124 | struct lost_event lost; |
e9ea2fde | 125 | struct read_event read; |
8fa66bdc ACM |
126 | } event_t; |
127 | ||
52d422de ACM |
128 | static int repsep_fprintf(FILE *fp, const char *fmt, ...) |
129 | { | |
130 | int n; | |
131 | va_list ap; | |
132 | ||
133 | va_start(ap, fmt); | |
134 | if (!field_sep) | |
135 | n = vfprintf(fp, fmt, ap); | |
136 | else { | |
137 | char *bf = NULL; | |
138 | n = vasprintf(&bf, fmt, ap); | |
139 | if (n > 0) { | |
140 | char *sep = bf; | |
141 | while (1) { | |
142 | sep = strchr(sep, *field_sep); | |
143 | if (sep == NULL) | |
144 | break; | |
145 | *sep = '.'; | |
146 | } | |
147 | } | |
148 | fputs(bf, fp); | |
149 | free(bf); | |
150 | } | |
151 | va_end(ap); | |
152 | return n; | |
153 | } | |
154 | ||
8fa66bdc ACM |
155 | static LIST_HEAD(dsos); |
156 | static struct dso *kernel_dso; | |
fc54db51 | 157 | static struct dso *vdso; |
fb9c8188 | 158 | static struct dso *hypervisor_dso; |
8fa66bdc ACM |
159 | |
160 | static void dsos__add(struct dso *dso) | |
161 | { | |
162 | list_add_tail(&dso->node, &dsos); | |
163 | } | |
164 | ||
165 | static struct dso *dsos__find(const char *name) | |
166 | { | |
167 | struct dso *pos; | |
168 | ||
169 | list_for_each_entry(pos, &dsos, node) | |
170 | if (strcmp(pos->name, name) == 0) | |
171 | return pos; | |
172 | return NULL; | |
173 | } | |
174 | ||
175 | static struct dso *dsos__findnew(const char *name) | |
176 | { | |
177 | struct dso *dso = dsos__find(name); | |
b7a16eac | 178 | int nr; |
8fa66bdc | 179 | |
4593bba8 IM |
180 | if (dso) |
181 | return dso; | |
182 | ||
183 | dso = dso__new(name, 0); | |
184 | if (!dso) | |
185 | goto out_delete_dso; | |
8fa66bdc | 186 | |
bd74137e | 187 | nr = dso__load(dso, NULL, verbose); |
4593bba8 | 188 | if (nr < 0) { |
7522060c | 189 | eprintf("Failed to open: %s\n", name); |
4593bba8 | 190 | goto out_delete_dso; |
8fa66bdc | 191 | } |
7522060c IM |
192 | if (!nr) |
193 | eprintf("No symbols found in: %s, maybe install a debug package?\n", name); | |
4593bba8 IM |
194 | |
195 | dsos__add(dso); | |
8fa66bdc ACM |
196 | |
197 | return dso; | |
198 | ||
199 | out_delete_dso: | |
200 | dso__delete(dso); | |
201 | return NULL; | |
202 | } | |
203 | ||
16f762a2 | 204 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
205 | { |
206 | struct dso *pos; | |
207 | ||
208 | list_for_each_entry(pos, &dsos, node) | |
209 | dso__fprintf(pos, fp); | |
210 | } | |
211 | ||
9cffa8d5 | 212 | static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip) |
fc54db51 | 213 | { |
f37a291c | 214 | return dso__find_symbol(dso, ip); |
fc54db51 PZ |
215 | } |
216 | ||
450aaa2b PZ |
217 | static int load_kernel(void) |
218 | { | |
a827c875 | 219 | int err; |
450aaa2b | 220 | |
0085c954 | 221 | kernel_dso = dso__new("[kernel]", 0); |
450aaa2b | 222 | if (!kernel_dso) |
a2928c42 | 223 | return -1; |
450aaa2b | 224 | |
42976487 | 225 | err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules); |
9974f496 | 226 | if (err <= 0) { |
a2928c42 ACM |
227 | dso__delete(kernel_dso); |
228 | kernel_dso = NULL; | |
229 | } else | |
230 | dsos__add(kernel_dso); | |
450aaa2b | 231 | |
fc54db51 PZ |
232 | vdso = dso__new("[vdso]", 0); |
233 | if (!vdso) | |
234 | return -1; | |
235 | ||
236 | vdso->find_symbol = vdso__find_symbol; | |
237 | ||
238 | dsos__add(vdso); | |
239 | ||
fb9c8188 AB |
240 | hypervisor_dso = dso__new("[hypervisor]", 0); |
241 | if (!hypervisor_dso) | |
242 | return -1; | |
243 | dsos__add(hypervisor_dso); | |
244 | ||
a2928c42 | 245 | return err; |
450aaa2b PZ |
246 | } |
247 | ||
d80d338d IM |
248 | static char __cwd[PATH_MAX]; |
249 | static char *cwd = __cwd; | |
250 | static int cwdlen; | |
251 | ||
252 | static int strcommon(const char *pathname) | |
b78c07d4 ACM |
253 | { |
254 | int n = 0; | |
255 | ||
7e030655 | 256 | while (n < cwdlen && pathname[n] == cwd[n]) |
b78c07d4 ACM |
257 | ++n; |
258 | ||
259 | return n; | |
260 | } | |
261 | ||
8fa66bdc ACM |
262 | struct map { |
263 | struct list_head node; | |
9cffa8d5 PM |
264 | u64 start; |
265 | u64 end; | |
266 | u64 pgoff; | |
267 | u64 (*map_ip)(struct map *, u64); | |
8fa66bdc ACM |
268 | struct dso *dso; |
269 | }; | |
270 | ||
9cffa8d5 | 271 | static u64 map__map_ip(struct map *map, u64 ip) |
fc54db51 PZ |
272 | { |
273 | return ip - map->start + map->pgoff; | |
274 | } | |
275 | ||
f37a291c | 276 | static u64 vdso__map_ip(struct map *map __used, u64 ip) |
fc54db51 PZ |
277 | { |
278 | return ip; | |
279 | } | |
280 | ||
80d496be PE |
281 | static inline int is_anon_memory(const char *filename) |
282 | { | |
cc8b88b1 | 283 | return strcmp(filename, "//anon") == 0; |
80d496be PE |
284 | } |
285 | ||
d80d338d | 286 | static struct map *map__new(struct mmap_event *event) |
8fa66bdc ACM |
287 | { |
288 | struct map *self = malloc(sizeof(*self)); | |
289 | ||
290 | if (self != NULL) { | |
b78c07d4 ACM |
291 | const char *filename = event->filename; |
292 | char newfilename[PATH_MAX]; | |
80d496be | 293 | int anon; |
b78c07d4 ACM |
294 | |
295 | if (cwd) { | |
d80d338d IM |
296 | int n = strcommon(filename); |
297 | ||
b78c07d4 ACM |
298 | if (n == cwdlen) { |
299 | snprintf(newfilename, sizeof(newfilename), | |
300 | ".%s", filename + n); | |
301 | filename = newfilename; | |
302 | } | |
303 | } | |
304 | ||
80d496be PE |
305 | anon = is_anon_memory(filename); |
306 | ||
307 | if (anon) { | |
308 | snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid); | |
309 | filename = newfilename; | |
310 | } | |
311 | ||
8fa66bdc ACM |
312 | self->start = event->start; |
313 | self->end = event->start + event->len; | |
314 | self->pgoff = event->pgoff; | |
315 | ||
b78c07d4 | 316 | self->dso = dsos__findnew(filename); |
8fa66bdc ACM |
317 | if (self->dso == NULL) |
318 | goto out_delete; | |
fc54db51 | 319 | |
80d496be | 320 | if (self->dso == vdso || anon) |
fc54db51 PZ |
321 | self->map_ip = vdso__map_ip; |
322 | else | |
323 | self->map_ip = map__map_ip; | |
8fa66bdc ACM |
324 | } |
325 | return self; | |
326 | out_delete: | |
327 | free(self); | |
328 | return NULL; | |
329 | } | |
330 | ||
62fc4453 PZ |
331 | static struct map *map__clone(struct map *self) |
332 | { | |
333 | struct map *map = malloc(sizeof(*self)); | |
334 | ||
335 | if (!map) | |
336 | return NULL; | |
337 | ||
338 | memcpy(map, self, sizeof(*self)); | |
339 | ||
340 | return map; | |
341 | } | |
342 | ||
343 | static int map__overlap(struct map *l, struct map *r) | |
344 | { | |
345 | if (l->start > r->start) { | |
346 | struct map *t = l; | |
347 | l = r; | |
348 | r = t; | |
349 | } | |
350 | ||
351 | if (l->end > r->start) | |
352 | return 1; | |
353 | ||
354 | return 0; | |
355 | } | |
3a4b8cc7 | 356 | |
9ac99545 ACM |
357 | static size_t map__fprintf(struct map *self, FILE *fp) |
358 | { | |
729ff5e2 | 359 | return fprintf(fp, " %Lx-%Lx %Lx %s\n", |
9ac99545 ACM |
360 | self->start, self->end, self->pgoff, self->dso->name); |
361 | } | |
362 | ||
363 | ||
8fa66bdc | 364 | struct thread { |
ce7e4365 | 365 | struct rb_node rb_node; |
8fa66bdc | 366 | struct list_head maps; |
8fa66bdc ACM |
367 | pid_t pid; |
368 | char *comm; | |
369 | }; | |
370 | ||
371 | static struct thread *thread__new(pid_t pid) | |
372 | { | |
373 | struct thread *self = malloc(sizeof(*self)); | |
374 | ||
375 | if (self != NULL) { | |
376 | self->pid = pid; | |
8229289b | 377 | self->comm = malloc(32); |
0a520c63 | 378 | if (self->comm) |
8229289b | 379 | snprintf(self->comm, 32, ":%d", self->pid); |
8fa66bdc | 380 | INIT_LIST_HEAD(&self->maps); |
8fa66bdc ACM |
381 | } |
382 | ||
383 | return self; | |
384 | } | |
385 | ||
52d422de ACM |
386 | static unsigned int dsos__col_width, |
387 | comms__col_width, | |
388 | threads__col_width; | |
389 | ||
8fa66bdc ACM |
390 | static int thread__set_comm(struct thread *self, const char *comm) |
391 | { | |
8229289b PZ |
392 | if (self->comm) |
393 | free(self->comm); | |
8fa66bdc | 394 | self->comm = strdup(comm); |
52d422de ACM |
395 | if (!self->comm) |
396 | return -ENOMEM; | |
397 | ||
398 | if (!col_width_list_str && !field_sep && | |
399 | (!comm_list || strlist__has_entry(comm_list, comm))) { | |
400 | unsigned int slen = strlen(comm); | |
401 | if (slen > comms__col_width) { | |
402 | comms__col_width = slen; | |
403 | threads__col_width = slen + 6; | |
404 | } | |
405 | } | |
406 | ||
407 | return 0; | |
8fa66bdc ACM |
408 | } |
409 | ||
9ac99545 ACM |
410 | static size_t thread__fprintf(struct thread *self, FILE *fp) |
411 | { | |
412 | struct map *pos; | |
413 | size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); | |
414 | ||
415 | list_for_each_entry(pos, &self->maps, node) | |
416 | ret += map__fprintf(pos, fp); | |
417 | ||
418 | return ret; | |
419 | } | |
420 | ||
421 | ||
16f762a2 | 422 | static struct rb_root threads; |
eed4dcd4 | 423 | static struct thread *last_match; |
8fa66bdc | 424 | |
ce7e4365 | 425 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 426 | { |
ce7e4365 ACM |
427 | struct rb_node **p = &threads.rb_node; |
428 | struct rb_node *parent = NULL; | |
429 | struct thread *th; | |
8fa66bdc | 430 | |
eed4dcd4 IM |
431 | /* |
432 | * Font-end cache - PID lookups come in blocks, | |
433 | * so most of the time we dont have to look up | |
434 | * the full rbtree: | |
435 | */ | |
436 | if (last_match && last_match->pid == pid) | |
437 | return last_match; | |
438 | ||
ce7e4365 ACM |
439 | while (*p != NULL) { |
440 | parent = *p; | |
441 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 442 | |
eed4dcd4 IM |
443 | if (th->pid == pid) { |
444 | last_match = th; | |
ce7e4365 | 445 | return th; |
eed4dcd4 | 446 | } |
8fa66bdc | 447 | |
ce7e4365 ACM |
448 | if (pid < th->pid) |
449 | p = &(*p)->rb_left; | |
450 | else | |
451 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
452 | } |
453 | ||
ce7e4365 ACM |
454 | th = thread__new(pid); |
455 | if (th != NULL) { | |
456 | rb_link_node(&th->rb_node, parent, p); | |
457 | rb_insert_color(&th->rb_node, &threads); | |
eed4dcd4 | 458 | last_match = th; |
ce7e4365 | 459 | } |
eed4dcd4 | 460 | |
ce7e4365 | 461 | return th; |
8fa66bdc ACM |
462 | } |
463 | ||
464 | static void thread__insert_map(struct thread *self, struct map *map) | |
465 | { | |
62fc4453 PZ |
466 | struct map *pos, *tmp; |
467 | ||
468 | list_for_each_entry_safe(pos, tmp, &self->maps, node) { | |
469 | if (map__overlap(pos, map)) { | |
3d906ef1 PZ |
470 | if (verbose >= 2) { |
471 | printf("overlapping maps:\n"); | |
472 | map__fprintf(map, stdout); | |
473 | map__fprintf(pos, stdout); | |
474 | } | |
475 | ||
476 | if (map->start <= pos->start && map->end > pos->start) | |
477 | pos->start = map->end; | |
478 | ||
479 | if (map->end >= pos->end && map->start < pos->end) | |
480 | pos->end = map->start; | |
481 | ||
482 | if (verbose >= 2) { | |
483 | printf("after collision:\n"); | |
484 | map__fprintf(pos, stdout); | |
485 | } | |
486 | ||
487 | if (pos->start >= pos->end) { | |
488 | list_del_init(&pos->node); | |
489 | free(pos); | |
490 | } | |
62fc4453 PZ |
491 | } |
492 | } | |
493 | ||
8fa66bdc ACM |
494 | list_add_tail(&map->node, &self->maps); |
495 | } | |
496 | ||
62fc4453 PZ |
497 | static int thread__fork(struct thread *self, struct thread *parent) |
498 | { | |
499 | struct map *map; | |
500 | ||
501 | if (self->comm) | |
502 | free(self->comm); | |
503 | self->comm = strdup(parent->comm); | |
504 | if (!self->comm) | |
505 | return -ENOMEM; | |
506 | ||
507 | list_for_each_entry(map, &parent->maps, node) { | |
508 | struct map *new = map__clone(map); | |
509 | if (!new) | |
510 | return -ENOMEM; | |
511 | thread__insert_map(self, new); | |
512 | } | |
513 | ||
514 | return 0; | |
515 | } | |
516 | ||
9cffa8d5 | 517 | static struct map *thread__find_map(struct thread *self, u64 ip) |
8fa66bdc | 518 | { |
16f762a2 IM |
519 | struct map *pos; |
520 | ||
8fa66bdc ACM |
521 | if (self == NULL) |
522 | return NULL; | |
523 | ||
8fa66bdc ACM |
524 | list_for_each_entry(pos, &self->maps, node) |
525 | if (ip >= pos->start && ip <= pos->end) | |
526 | return pos; | |
527 | ||
528 | return NULL; | |
529 | } | |
530 | ||
9ac99545 ACM |
531 | static size_t threads__fprintf(FILE *fp) |
532 | { | |
533 | size_t ret = 0; | |
534 | struct rb_node *nd; | |
535 | ||
536 | for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { | |
537 | struct thread *pos = rb_entry(nd, struct thread, rb_node); | |
538 | ||
539 | ret += thread__fprintf(pos, fp); | |
540 | } | |
541 | ||
542 | return ret; | |
543 | } | |
544 | ||
e7fb08b1 PZ |
545 | /* |
546 | * histogram, sorted on item, collects counts | |
547 | */ | |
548 | ||
549 | static struct rb_root hist; | |
550 | ||
551 | struct hist_entry { | |
f55c5552 FW |
552 | struct rb_node rb_node; |
553 | ||
554 | struct thread *thread; | |
555 | struct map *map; | |
556 | struct dso *dso; | |
557 | struct symbol *sym; | |
558 | struct symbol *parent; | |
559 | u64 ip; | |
560 | char level; | |
561 | struct callchain_node callchain; | |
562 | struct rb_root sorted_chain; | |
563 | ||
564 | u64 count; | |
e7fb08b1 PZ |
565 | }; |
566 | ||
1aa16738 PZ |
567 | /* |
568 | * configurable sorting bits | |
569 | */ | |
570 | ||
571 | struct sort_entry { | |
572 | struct list_head list; | |
573 | ||
ca8cdeef PZ |
574 | char *header; |
575 | ||
1aa16738 | 576 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
8229289b | 577 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
52d422de ACM |
578 | size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width); |
579 | unsigned int *width; | |
021191b3 | 580 | bool elide; |
1aa16738 PZ |
581 | }; |
582 | ||
6e7d6fdc PZ |
583 | static int64_t cmp_null(void *l, void *r) |
584 | { | |
585 | if (!l && !r) | |
586 | return 0; | |
587 | else if (!l) | |
588 | return -1; | |
589 | else | |
590 | return 1; | |
591 | } | |
592 | ||
8229289b PZ |
593 | /* --sort pid */ |
594 | ||
e7fb08b1 | 595 | static int64_t |
1aa16738 | 596 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 597 | { |
1aa16738 PZ |
598 | return right->thread->pid - left->thread->pid; |
599 | } | |
600 | ||
601 | static size_t | |
52d422de | 602 | sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width) |
1aa16738 | 603 | { |
52d422de ACM |
604 | return repsep_fprintf(fp, "%*s:%5d", width - 6, |
605 | self->thread->comm ?: "", self->thread->pid); | |
1aa16738 | 606 | } |
e7fb08b1 | 607 | |
1aa16738 | 608 | static struct sort_entry sort_thread = { |
52d422de | 609 | .header = "Command: Pid", |
1aa16738 PZ |
610 | .cmp = sort__thread_cmp, |
611 | .print = sort__thread_print, | |
52d422de | 612 | .width = &threads__col_width, |
1aa16738 PZ |
613 | }; |
614 | ||
8229289b PZ |
615 | /* --sort comm */ |
616 | ||
992444b1 PZ |
617 | static int64_t |
618 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
8229289b PZ |
619 | { |
620 | return right->thread->pid - left->thread->pid; | |
621 | } | |
622 | ||
623 | static int64_t | |
624 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | |
992444b1 PZ |
625 | { |
626 | char *comm_l = left->thread->comm; | |
627 | char *comm_r = right->thread->comm; | |
628 | ||
6e7d6fdc PZ |
629 | if (!comm_l || !comm_r) |
630 | return cmp_null(comm_l, comm_r); | |
992444b1 PZ |
631 | |
632 | return strcmp(comm_l, comm_r); | |
633 | } | |
634 | ||
635 | static size_t | |
52d422de | 636 | sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width) |
992444b1 | 637 | { |
52d422de | 638 | return repsep_fprintf(fp, "%*s", width, self->thread->comm); |
992444b1 PZ |
639 | } |
640 | ||
641 | static struct sort_entry sort_comm = { | |
52d422de | 642 | .header = "Command", |
8229289b PZ |
643 | .cmp = sort__comm_cmp, |
644 | .collapse = sort__comm_collapse, | |
645 | .print = sort__comm_print, | |
52d422de | 646 | .width = &comms__col_width, |
992444b1 PZ |
647 | }; |
648 | ||
8229289b PZ |
649 | /* --sort dso */ |
650 | ||
55e5ec41 PZ |
651 | static int64_t |
652 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
653 | { | |
654 | struct dso *dso_l = left->dso; | |
655 | struct dso *dso_r = right->dso; | |
656 | ||
6e7d6fdc PZ |
657 | if (!dso_l || !dso_r) |
658 | return cmp_null(dso_l, dso_r); | |
55e5ec41 PZ |
659 | |
660 | return strcmp(dso_l->name, dso_r->name); | |
661 | } | |
662 | ||
663 | static size_t | |
52d422de | 664 | sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width) |
55e5ec41 | 665 | { |
0a520c63 | 666 | if (self->dso) |
52d422de | 667 | return repsep_fprintf(fp, "%-*s", width, self->dso->name); |
0a520c63 | 668 | |
52d422de | 669 | return repsep_fprintf(fp, "%*llx", width, (u64)self->ip); |
55e5ec41 PZ |
670 | } |
671 | ||
672 | static struct sort_entry sort_dso = { | |
52d422de | 673 | .header = "Shared Object", |
55e5ec41 PZ |
674 | .cmp = sort__dso_cmp, |
675 | .print = sort__dso_print, | |
52d422de | 676 | .width = &dsos__col_width, |
55e5ec41 PZ |
677 | }; |
678 | ||
8229289b PZ |
679 | /* --sort symbol */ |
680 | ||
1aa16738 PZ |
681 | static int64_t |
682 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
683 | { | |
9cffa8d5 | 684 | u64 ip_l, ip_r; |
e7fb08b1 PZ |
685 | |
686 | if (left->sym == right->sym) | |
687 | return 0; | |
688 | ||
689 | ip_l = left->sym ? left->sym->start : left->ip; | |
690 | ip_r = right->sym ? right->sym->start : right->ip; | |
691 | ||
692 | return (int64_t)(ip_r - ip_l); | |
693 | } | |
694 | ||
1aa16738 | 695 | static size_t |
52d422de | 696 | sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used) |
1aa16738 PZ |
697 | { |
698 | size_t ret = 0; | |
699 | ||
1aa16738 | 700 | if (verbose) |
52d422de | 701 | ret += repsep_fprintf(fp, "%#018llx ", (u64)self->ip); |
0a520c63 | 702 | |
60c1baf1 | 703 | ret += repsep_fprintf(fp, "[%c] ", self->level); |
8edd4286 | 704 | if (self->sym) { |
60c1baf1 | 705 | ret += repsep_fprintf(fp, "%s", self->sym->name); |
42976487 MG |
706 | |
707 | if (self->sym->module) | |
52d422de ACM |
708 | ret += repsep_fprintf(fp, "\t[%s]", |
709 | self->sym->module->name); | |
8edd4286 | 710 | } else { |
52d422de | 711 | ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip); |
8edd4286 | 712 | } |
1aa16738 PZ |
713 | |
714 | return ret; | |
715 | } | |
716 | ||
717 | static struct sort_entry sort_sym = { | |
71dd8945 | 718 | .header = "Symbol", |
ca8cdeef PZ |
719 | .cmp = sort__sym_cmp, |
720 | .print = sort__sym_print, | |
1aa16738 PZ |
721 | }; |
722 | ||
b25bcf2f | 723 | /* --sort parent */ |
6e7d6fdc PZ |
724 | |
725 | static int64_t | |
b25bcf2f | 726 | sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) |
6e7d6fdc | 727 | { |
b25bcf2f IM |
728 | struct symbol *sym_l = left->parent; |
729 | struct symbol *sym_r = right->parent; | |
6e7d6fdc PZ |
730 | |
731 | if (!sym_l || !sym_r) | |
732 | return cmp_null(sym_l, sym_r); | |
733 | ||
734 | return strcmp(sym_l->name, sym_r->name); | |
735 | } | |
736 | ||
737 | static size_t | |
52d422de | 738 | sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width) |
6e7d6fdc | 739 | { |
52d422de ACM |
740 | return repsep_fprintf(fp, "%-*s", width, |
741 | self->parent ? self->parent->name : "[other]"); | |
6e7d6fdc PZ |
742 | } |
743 | ||
52d422de ACM |
744 | static unsigned int parent_symbol__col_width; |
745 | ||
b25bcf2f | 746 | static struct sort_entry sort_parent = { |
52d422de | 747 | .header = "Parent symbol", |
b25bcf2f IM |
748 | .cmp = sort__parent_cmp, |
749 | .print = sort__parent_print, | |
52d422de | 750 | .width = &parent_symbol__col_width, |
6e7d6fdc PZ |
751 | }; |
752 | ||
8229289b | 753 | static int sort__need_collapse = 0; |
b25bcf2f | 754 | static int sort__has_parent = 0; |
8229289b | 755 | |
37f440cb | 756 | struct sort_dimension { |
8edd4286 IM |
757 | char *name; |
758 | struct sort_entry *entry; | |
759 | int taken; | |
37f440cb PZ |
760 | }; |
761 | ||
762 | static struct sort_dimension sort_dimensions[] = { | |
763 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 764 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 765 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb | 766 | { .name = "symbol", .entry = &sort_sym, }, |
b25bcf2f | 767 | { .name = "parent", .entry = &sort_parent, }, |
37f440cb PZ |
768 | }; |
769 | ||
1aa16738 PZ |
770 | static LIST_HEAD(hist_entry__sort_list); |
771 | ||
37f440cb PZ |
772 | static int sort_dimension__add(char *tok) |
773 | { | |
f37a291c | 774 | unsigned int i; |
37f440cb PZ |
775 | |
776 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
777 | struct sort_dimension *sd = &sort_dimensions[i]; | |
778 | ||
779 | if (sd->taken) | |
780 | continue; | |
781 | ||
5352f35d | 782 | if (strncasecmp(tok, sd->name, strlen(tok))) |
37f440cb PZ |
783 | continue; |
784 | ||
8229289b PZ |
785 | if (sd->entry->collapse) |
786 | sort__need_collapse = 1; | |
787 | ||
b25bcf2f IM |
788 | if (sd->entry == &sort_parent) { |
789 | int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); | |
6e7d6fdc PZ |
790 | if (ret) { |
791 | char err[BUFSIZ]; | |
792 | ||
b25bcf2f IM |
793 | regerror(ret, &parent_regex, err, sizeof(err)); |
794 | fprintf(stderr, "Invalid regex: %s\n%s", | |
795 | parent_pattern, err); | |
6e7d6fdc PZ |
796 | exit(-1); |
797 | } | |
b25bcf2f | 798 | sort__has_parent = 1; |
6e7d6fdc PZ |
799 | } |
800 | ||
37f440cb PZ |
801 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
802 | sd->taken = 1; | |
5352f35d | 803 | |
37f440cb PZ |
804 | return 0; |
805 | } | |
806 | ||
807 | return -ESRCH; | |
808 | } | |
809 | ||
1aa16738 PZ |
810 | static int64_t |
811 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
812 | { | |
813 | struct sort_entry *se; | |
814 | int64_t cmp = 0; | |
815 | ||
816 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
817 | cmp = se->cmp(left, right); | |
818 | if (cmp) | |
819 | break; | |
820 | } | |
821 | ||
822 | return cmp; | |
823 | } | |
824 | ||
8229289b PZ |
825 | static int64_t |
826 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | |
827 | { | |
828 | struct sort_entry *se; | |
829 | int64_t cmp = 0; | |
830 | ||
831 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
832 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | |
833 | ||
834 | f = se->collapse ?: se->cmp; | |
835 | ||
836 | cmp = f(left, right); | |
837 | if (cmp) | |
838 | break; | |
839 | } | |
840 | ||
841 | return cmp; | |
842 | } | |
843 | ||
4eb3e478 FW |
844 | static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask) |
845 | { | |
846 | int i; | |
847 | size_t ret = 0; | |
848 | ||
849 | ret += fprintf(fp, "%s", " "); | |
850 | ||
851 | for (i = 0; i < depth; i++) | |
852 | if (depth_mask & (1 << i)) | |
853 | ret += fprintf(fp, "| "); | |
854 | else | |
855 | ret += fprintf(fp, " "); | |
856 | ||
857 | ret += fprintf(fp, "\n"); | |
858 | ||
859 | return ret; | |
860 | } | |
f55c5552 | 861 | static size_t |
4eb3e478 FW |
862 | ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth, |
863 | int depth_mask, int count, u64 total_samples, | |
864 | int hits) | |
865 | { | |
866 | int i; | |
867 | size_t ret = 0; | |
868 | ||
869 | ret += fprintf(fp, "%s", " "); | |
870 | for (i = 0; i < depth; i++) { | |
871 | if (depth_mask & (1 << i)) | |
872 | ret += fprintf(fp, "|"); | |
873 | else | |
874 | ret += fprintf(fp, " "); | |
875 | if (!count && i == depth - 1) { | |
876 | double percent; | |
877 | ||
878 | percent = hits * 100.0 / total_samples; | |
24b57c69 | 879 | ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent); |
4eb3e478 FW |
880 | } else |
881 | ret += fprintf(fp, "%s", " "); | |
882 | } | |
883 | if (chain->sym) | |
884 | ret += fprintf(fp, "%s\n", chain->sym->name); | |
885 | else | |
886 | ret += fprintf(fp, "%p\n", (void *)(long)chain->ip); | |
887 | ||
888 | return ret; | |
889 | } | |
890 | ||
891 | static size_t | |
892 | callchain__fprintf_graph(FILE *fp, struct callchain_node *self, | |
893 | u64 total_samples, int depth, int depth_mask) | |
894 | { | |
895 | struct rb_node *node, *next; | |
896 | struct callchain_node *child; | |
897 | struct callchain_list *chain; | |
898 | int new_depth_mask = depth_mask; | |
805d127d | 899 | u64 new_total; |
4eb3e478 FW |
900 | size_t ret = 0; |
901 | int i; | |
902 | ||
805d127d FW |
903 | if (callchain_param.mode == CHAIN_GRAPH_REL) |
904 | new_total = self->cumul_hit; | |
905 | else | |
906 | new_total = total_samples; | |
907 | ||
4eb3e478 FW |
908 | node = rb_first(&self->rb_root); |
909 | while (node) { | |
910 | child = rb_entry(node, struct callchain_node, rb_node); | |
911 | ||
912 | /* | |
913 | * The depth mask manages the output of pipes that show | |
914 | * the depth. We don't want to keep the pipes of the current | |
915 | * level for the last child of this depth | |
916 | */ | |
917 | next = rb_next(node); | |
918 | if (!next) | |
919 | new_depth_mask &= ~(1 << (depth - 1)); | |
920 | ||
921 | /* | |
922 | * But we keep the older depth mask for the line seperator | |
923 | * to keep the level link until we reach the last child | |
924 | */ | |
925 | ret += ipchain__fprintf_graph_line(fp, depth, depth_mask); | |
926 | i = 0; | |
927 | list_for_each_entry(chain, &child->val, list) { | |
928 | if (chain->ip >= PERF_CONTEXT_MAX) | |
929 | continue; | |
930 | ret += ipchain__fprintf_graph(fp, chain, depth, | |
931 | new_depth_mask, i++, | |
805d127d | 932 | new_total, |
4eb3e478 FW |
933 | child->cumul_hit); |
934 | } | |
805d127d | 935 | ret += callchain__fprintf_graph(fp, child, new_total, |
4eb3e478 FW |
936 | depth + 1, |
937 | new_depth_mask | (1 << depth)); | |
938 | node = next; | |
939 | } | |
940 | ||
941 | return ret; | |
942 | } | |
943 | ||
944 | static size_t | |
945 | callchain__fprintf_flat(FILE *fp, struct callchain_node *self, | |
946 | u64 total_samples) | |
f55c5552 FW |
947 | { |
948 | struct callchain_list *chain; | |
949 | size_t ret = 0; | |
950 | ||
951 | if (!self) | |
952 | return 0; | |
953 | ||
4eb3e478 | 954 | ret += callchain__fprintf_flat(fp, self->parent, total_samples); |
f55c5552 FW |
955 | |
956 | ||
4424961a FW |
957 | list_for_each_entry(chain, &self->val, list) { |
958 | if (chain->ip >= PERF_CONTEXT_MAX) | |
959 | continue; | |
960 | if (chain->sym) | |
961 | ret += fprintf(fp, " %s\n", chain->sym->name); | |
962 | else | |
963 | ret += fprintf(fp, " %p\n", | |
f37a291c | 964 | (void *)(long)chain->ip); |
4424961a | 965 | } |
f55c5552 FW |
966 | |
967 | return ret; | |
968 | } | |
969 | ||
970 | static size_t | |
971 | hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, | |
972 | u64 total_samples) | |
973 | { | |
974 | struct rb_node *rb_node; | |
975 | struct callchain_node *chain; | |
976 | size_t ret = 0; | |
977 | ||
978 | rb_node = rb_first(&self->sorted_chain); | |
979 | while (rb_node) { | |
980 | double percent; | |
981 | ||
982 | chain = rb_entry(rb_node, struct callchain_node, rb_node); | |
983 | percent = chain->hit * 100.0 / total_samples; | |
805d127d FW |
984 | switch (callchain_param.mode) { |
985 | case CHAIN_FLAT: | |
24b57c69 FW |
986 | ret += percent_color_fprintf(fp, " %6.2f%%\n", |
987 | percent); | |
4eb3e478 | 988 | ret += callchain__fprintf_flat(fp, chain, total_samples); |
805d127d FW |
989 | break; |
990 | case CHAIN_GRAPH_ABS: /* Falldown */ | |
991 | case CHAIN_GRAPH_REL: | |
4eb3e478 FW |
992 | ret += callchain__fprintf_graph(fp, chain, |
993 | total_samples, 1, 1); | |
805d127d FW |
994 | default: |
995 | break; | |
4eb3e478 | 996 | } |
f55c5552 FW |
997 | ret += fprintf(fp, "\n"); |
998 | rb_node = rb_next(rb_node); | |
999 | } | |
1000 | ||
1001 | return ret; | |
1002 | } | |
1003 | ||
1004 | ||
1aa16738 | 1005 | static size_t |
9cffa8d5 | 1006 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) |
1aa16738 PZ |
1007 | { |
1008 | struct sort_entry *se; | |
1009 | size_t ret; | |
1010 | ||
b8e6d829 IM |
1011 | if (exclude_other && !self->parent) |
1012 | return 0; | |
1013 | ||
1e11fd82 | 1014 | if (total_samples) |
52d422de ACM |
1015 | ret = percent_color_fprintf(fp, |
1016 | field_sep ? "%.2f" : " %6.2f%%", | |
1017 | (self->count * 100.0) / total_samples); | |
1e11fd82 | 1018 | else |
52d422de | 1019 | ret = fprintf(fp, field_sep ? "%lld" : "%12lld ", self->count); |
1aa16738 | 1020 | |
e3d7e183 ACM |
1021 | if (show_nr_samples) { |
1022 | if (field_sep) | |
1023 | fprintf(fp, "%c%lld", *field_sep, self->count); | |
1024 | else | |
1025 | fprintf(fp, "%11lld", self->count); | |
1026 | } | |
1aa16738 | 1027 | |
71dd8945 | 1028 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
021191b3 | 1029 | if (se->elide) |
b8e6d829 IM |
1030 | continue; |
1031 | ||
52d422de ACM |
1032 | fprintf(fp, "%s", field_sep ?: " "); |
1033 | ret += se->print(fp, self, se->width ? *se->width : 0); | |
71dd8945 | 1034 | } |
1aa16738 PZ |
1035 | |
1036 | ret += fprintf(fp, "\n"); | |
1037 | ||
f55c5552 FW |
1038 | if (callchain) |
1039 | hist_entry_callchain__fprintf(fp, self, total_samples); | |
1040 | ||
1aa16738 PZ |
1041 | return ret; |
1042 | } | |
1043 | ||
6e7d6fdc PZ |
1044 | /* |
1045 | * | |
1046 | */ | |
1047 | ||
52d422de ACM |
1048 | static void dso__calc_col_width(struct dso *self) |
1049 | { | |
1050 | if (!col_width_list_str && !field_sep && | |
1051 | (!dso_list || strlist__has_entry(dso_list, self->name))) { | |
1052 | unsigned int slen = strlen(self->name); | |
1053 | if (slen > dsos__col_width) | |
1054 | dsos__col_width = slen; | |
1055 | } | |
1056 | ||
1057 | self->slen_calculated = 1; | |
1058 | } | |
1059 | ||
6e7d6fdc PZ |
1060 | static struct symbol * |
1061 | resolve_symbol(struct thread *thread, struct map **mapp, | |
9cffa8d5 | 1062 | struct dso **dsop, u64 *ipp) |
6e7d6fdc PZ |
1063 | { |
1064 | struct dso *dso = dsop ? *dsop : NULL; | |
1065 | struct map *map = mapp ? *mapp : NULL; | |
520f2c34 | 1066 | u64 ip = *ipp; |
6e7d6fdc PZ |
1067 | |
1068 | if (!thread) | |
1069 | return NULL; | |
1070 | ||
1071 | if (dso) | |
1072 | goto got_dso; | |
1073 | ||
1074 | if (map) | |
1075 | goto got_map; | |
1076 | ||
1077 | map = thread__find_map(thread, ip); | |
1078 | if (map != NULL) { | |
52d422de ACM |
1079 | /* |
1080 | * We have to do this here as we may have a dso | |
1081 | * with no symbol hit that has a name longer than | |
1082 | * the ones with symbols sampled. | |
1083 | */ | |
021191b3 | 1084 | if (!sort_dso.elide && !map->dso->slen_calculated) |
52d422de ACM |
1085 | dso__calc_col_width(map->dso); |
1086 | ||
6e7d6fdc PZ |
1087 | if (mapp) |
1088 | *mapp = map; | |
1089 | got_map: | |
1090 | ip = map->map_ip(map, ip); | |
6e7d6fdc PZ |
1091 | |
1092 | dso = map->dso; | |
1093 | } else { | |
1094 | /* | |
1095 | * If this is outside of all known maps, | |
1096 | * and is a negative address, try to look it | |
1097 | * up in the kernel dso, as it might be a | |
1098 | * vsyscall (which executes in user-mode): | |
1099 | */ | |
1100 | if ((long long)ip < 0) | |
1101 | dso = kernel_dso; | |
1102 | } | |
1103 | dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); | |
520f2c34 PZ |
1104 | dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip); |
1105 | *ipp = ip; | |
6e7d6fdc PZ |
1106 | |
1107 | if (dsop) | |
1108 | *dsop = dso; | |
1109 | ||
1110 | if (!dso) | |
1111 | return NULL; | |
1112 | got_dso: | |
1113 | return dso->find_symbol(dso, ip); | |
1114 | } | |
1115 | ||
2a0a50fe | 1116 | static int call__match(struct symbol *sym) |
6e7d6fdc | 1117 | { |
b25bcf2f | 1118 | if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) |
2a0a50fe | 1119 | return 1; |
6e7d6fdc | 1120 | |
2a0a50fe | 1121 | return 0; |
6e7d6fdc PZ |
1122 | } |
1123 | ||
4424961a | 1124 | static struct symbol ** |
f37a291c | 1125 | resolve_callchain(struct thread *thread, struct map *map __used, |
4424961a FW |
1126 | struct ip_callchain *chain, struct hist_entry *entry) |
1127 | { | |
4424961a | 1128 | u64 context = PERF_CONTEXT_MAX; |
029e5b16 | 1129 | struct symbol **syms = NULL; |
f37a291c | 1130 | unsigned int i; |
4424961a FW |
1131 | |
1132 | if (callchain) { | |
1133 | syms = calloc(chain->nr, sizeof(*syms)); | |
1134 | if (!syms) { | |
1135 | fprintf(stderr, "Can't allocate memory for symbols\n"); | |
1136 | exit(-1); | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | for (i = 0; i < chain->nr; i++) { | |
1141 | u64 ip = chain->ips[i]; | |
1142 | struct dso *dso = NULL; | |
1143 | struct symbol *sym; | |
1144 | ||
1145 | if (ip >= PERF_CONTEXT_MAX) { | |
1146 | context = ip; | |
1147 | continue; | |
1148 | } | |
1149 | ||
1150 | switch (context) { | |
88a69dfb IM |
1151 | case PERF_CONTEXT_HV: |
1152 | dso = hypervisor_dso; | |
1153 | break; | |
4424961a FW |
1154 | case PERF_CONTEXT_KERNEL: |
1155 | dso = kernel_dso; | |
1156 | break; | |
1157 | default: | |
1158 | break; | |
1159 | } | |
1160 | ||
1161 | sym = resolve_symbol(thread, NULL, &dso, &ip); | |
1162 | ||
1163 | if (sym) { | |
1164 | if (sort__has_parent && call__match(sym) && | |
1165 | !entry->parent) | |
1166 | entry->parent = sym; | |
1167 | if (!callchain) | |
1168 | break; | |
1169 | syms[i] = sym; | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | return syms; | |
1174 | } | |
1175 | ||
1aa16738 PZ |
1176 | /* |
1177 | * collect histogram counts | |
1178 | */ | |
1179 | ||
e7fb08b1 PZ |
1180 | static int |
1181 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
9cffa8d5 PM |
1182 | struct symbol *sym, u64 ip, struct ip_callchain *chain, |
1183 | char level, u64 count) | |
8fa66bdc | 1184 | { |
e7fb08b1 PZ |
1185 | struct rb_node **p = &hist.rb_node; |
1186 | struct rb_node *parent = NULL; | |
1187 | struct hist_entry *he; | |
4424961a | 1188 | struct symbol **syms = NULL; |
e7fb08b1 PZ |
1189 | struct hist_entry entry = { |
1190 | .thread = thread, | |
1191 | .map = map, | |
1192 | .dso = dso, | |
1193 | .sym = sym, | |
1194 | .ip = ip, | |
1195 | .level = level, | |
ea1900e5 | 1196 | .count = count, |
b8e6d829 | 1197 | .parent = NULL, |
f55c5552 | 1198 | .sorted_chain = RB_ROOT |
e7fb08b1 PZ |
1199 | }; |
1200 | int cmp; | |
1201 | ||
4424961a FW |
1202 | if ((sort__has_parent || callchain) && chain) |
1203 | syms = resolve_callchain(thread, map, chain, &entry); | |
6e7d6fdc | 1204 | |
e7fb08b1 PZ |
1205 | while (*p != NULL) { |
1206 | parent = *p; | |
1207 | he = rb_entry(parent, struct hist_entry, rb_node); | |
1208 | ||
1209 | cmp = hist_entry__cmp(&entry, he); | |
1210 | ||
1211 | if (!cmp) { | |
ea1900e5 | 1212 | he->count += count; |
4424961a FW |
1213 | if (callchain) { |
1214 | append_chain(&he->callchain, chain, syms); | |
1215 | free(syms); | |
1216 | } | |
e7fb08b1 PZ |
1217 | return 0; |
1218 | } | |
1219 | ||
1220 | if (cmp < 0) | |
1221 | p = &(*p)->rb_left; | |
1222 | else | |
1223 | p = &(*p)->rb_right; | |
ce7e4365 | 1224 | } |
e7fb08b1 PZ |
1225 | |
1226 | he = malloc(sizeof(*he)); | |
1227 | if (!he) | |
1228 | return -ENOMEM; | |
1229 | *he = entry; | |
f55c5552 FW |
1230 | if (callchain) { |
1231 | callchain_init(&he->callchain); | |
4424961a FW |
1232 | append_chain(&he->callchain, chain, syms); |
1233 | free(syms); | |
f55c5552 | 1234 | } |
e7fb08b1 PZ |
1235 | rb_link_node(&he->rb_node, parent, p); |
1236 | rb_insert_color(&he->rb_node, &hist); | |
1237 | ||
1238 | return 0; | |
8fa66bdc ACM |
1239 | } |
1240 | ||
8229289b PZ |
1241 | static void hist_entry__free(struct hist_entry *he) |
1242 | { | |
1243 | free(he); | |
1244 | } | |
1245 | ||
1246 | /* | |
1247 | * collapse the histogram | |
1248 | */ | |
1249 | ||
1250 | static struct rb_root collapse_hists; | |
1251 | ||
1252 | static void collapse__insert_entry(struct hist_entry *he) | |
1253 | { | |
1254 | struct rb_node **p = &collapse_hists.rb_node; | |
1255 | struct rb_node *parent = NULL; | |
1256 | struct hist_entry *iter; | |
1257 | int64_t cmp; | |
1258 | ||
1259 | while (*p != NULL) { | |
1260 | parent = *p; | |
1261 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
1262 | ||
1263 | cmp = hist_entry__collapse(iter, he); | |
1264 | ||
1265 | if (!cmp) { | |
1266 | iter->count += he->count; | |
1267 | hist_entry__free(he); | |
1268 | return; | |
1269 | } | |
1270 | ||
1271 | if (cmp < 0) | |
1272 | p = &(*p)->rb_left; | |
1273 | else | |
1274 | p = &(*p)->rb_right; | |
1275 | } | |
1276 | ||
1277 | rb_link_node(&he->rb_node, parent, p); | |
1278 | rb_insert_color(&he->rb_node, &collapse_hists); | |
1279 | } | |
1280 | ||
1281 | static void collapse__resort(void) | |
1282 | { | |
1283 | struct rb_node *next; | |
1284 | struct hist_entry *n; | |
1285 | ||
1286 | if (!sort__need_collapse) | |
1287 | return; | |
1288 | ||
1289 | next = rb_first(&hist); | |
1290 | while (next) { | |
1291 | n = rb_entry(next, struct hist_entry, rb_node); | |
1292 | next = rb_next(&n->rb_node); | |
1293 | ||
1294 | rb_erase(&n->rb_node, &hist); | |
1295 | collapse__insert_entry(n); | |
1296 | } | |
1297 | } | |
1298 | ||
e7fb08b1 PZ |
1299 | /* |
1300 | * reverse the map, sort on count. | |
1301 | */ | |
1302 | ||
1303 | static struct rb_root output_hists; | |
1304 | ||
c20ab37e | 1305 | static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits) |
3a4b8cc7 | 1306 | { |
e7fb08b1 | 1307 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 1308 | struct rb_node *parent = NULL; |
e7fb08b1 | 1309 | struct hist_entry *iter; |
3a4b8cc7 | 1310 | |
805d127d FW |
1311 | if (callchain) |
1312 | callchain_param.sort(&he->sorted_chain, &he->callchain, | |
1313 | min_callchain_hits, &callchain_param); | |
f55c5552 | 1314 | |
3a4b8cc7 ACM |
1315 | while (*p != NULL) { |
1316 | parent = *p; | |
e7fb08b1 | 1317 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 1318 | |
e7fb08b1 | 1319 | if (he->count > iter->count) |
3a4b8cc7 ACM |
1320 | p = &(*p)->rb_left; |
1321 | else | |
1322 | p = &(*p)->rb_right; | |
1323 | } | |
1324 | ||
e7fb08b1 PZ |
1325 | rb_link_node(&he->rb_node, parent, p); |
1326 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
1327 | } |
1328 | ||
c20ab37e | 1329 | static void output__resort(u64 total_samples) |
3a4b8cc7 | 1330 | { |
8229289b | 1331 | struct rb_node *next; |
e7fb08b1 | 1332 | struct hist_entry *n; |
a4c43bea | 1333 | struct rb_root *tree = &hist; |
c20ab37e FW |
1334 | u64 min_callchain_hits; |
1335 | ||
805d127d | 1336 | min_callchain_hits = total_samples * (callchain_param.min_percent / 100); |
3a4b8cc7 | 1337 | |
8229289b | 1338 | if (sort__need_collapse) |
a4c43bea ACM |
1339 | tree = &collapse_hists; |
1340 | ||
1341 | next = rb_first(tree); | |
8229289b | 1342 | |
e7fb08b1 PZ |
1343 | while (next) { |
1344 | n = rb_entry(next, struct hist_entry, rb_node); | |
1345 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 1346 | |
a4c43bea | 1347 | rb_erase(&n->rb_node, tree); |
c20ab37e | 1348 | output__insert_entry(n, min_callchain_hits); |
3a4b8cc7 ACM |
1349 | } |
1350 | } | |
1351 | ||
9cffa8d5 | 1352 | static size_t output__fprintf(FILE *fp, u64 total_samples) |
3a4b8cc7 | 1353 | { |
e7fb08b1 | 1354 | struct hist_entry *pos; |
2d65537e | 1355 | struct sort_entry *se; |
3a4b8cc7 ACM |
1356 | struct rb_node *nd; |
1357 | size_t ret = 0; | |
52d422de ACM |
1358 | unsigned int width; |
1359 | char *col_width = col_width_list_str; | |
3a4b8cc7 | 1360 | |
021191b3 | 1361 | fprintf(fp, "# Samples: %Ld\n", (u64)total_samples); |
ca8cdeef PZ |
1362 | fprintf(fp, "#\n"); |
1363 | ||
1364 | fprintf(fp, "# Overhead"); | |
e3d7e183 ACM |
1365 | if (show_nr_samples) { |
1366 | if (field_sep) | |
1367 | fprintf(fp, "%cSamples", *field_sep); | |
1368 | else | |
1369 | fputs(" Samples ", fp); | |
1370 | } | |
b8e6d829 | 1371 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
021191b3 | 1372 | if (se->elide) |
b8e6d829 | 1373 | continue; |
52d422de ACM |
1374 | if (field_sep) { |
1375 | fprintf(fp, "%c%s", *field_sep, se->header); | |
b8e6d829 | 1376 | continue; |
52d422de ACM |
1377 | } |
1378 | width = strlen(se->header); | |
1379 | if (se->width) { | |
1380 | if (col_width_list_str) { | |
1381 | if (col_width) { | |
1382 | *se->width = atoi(col_width); | |
1383 | col_width = strchr(col_width, ','); | |
1384 | if (col_width) | |
1385 | ++col_width; | |
1386 | } | |
1387 | } | |
1388 | width = *se->width = max(*se->width, width); | |
1389 | } | |
1390 | fprintf(fp, " %*s", width, se->header); | |
b8e6d829 | 1391 | } |
ca8cdeef PZ |
1392 | fprintf(fp, "\n"); |
1393 | ||
52d422de ACM |
1394 | if (field_sep) |
1395 | goto print_entries; | |
1396 | ||
ca8cdeef | 1397 | fprintf(fp, "# ........"); |
e3d7e183 ACM |
1398 | if (show_nr_samples) |
1399 | fprintf(fp, " .........."); | |
2d65537e | 1400 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
f37a291c | 1401 | unsigned int i; |
ca8cdeef | 1402 | |
021191b3 | 1403 | if (se->elide) |
b8e6d829 IM |
1404 | continue; |
1405 | ||
4593bba8 | 1406 | fprintf(fp, " "); |
52d422de ACM |
1407 | if (se->width) |
1408 | width = *se->width; | |
1409 | else | |
1410 | width = strlen(se->header); | |
1411 | for (i = 0; i < width; i++) | |
ca8cdeef | 1412 | fprintf(fp, "."); |
2d65537e | 1413 | } |
ca8cdeef PZ |
1414 | fprintf(fp, "\n"); |
1415 | ||
1416 | fprintf(fp, "#\n"); | |
2d65537e | 1417 | |
52d422de | 1418 | print_entries: |
e7fb08b1 PZ |
1419 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
1420 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
1421 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
1422 | } |
1423 | ||
b8e6d829 IM |
1424 | if (sort_order == default_sort_order && |
1425 | parent_pattern == default_parent_pattern) { | |
bd74137e | 1426 | fprintf(fp, "#\n"); |
114cfab2 | 1427 | fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n"); |
bd74137e IM |
1428 | fprintf(fp, "#\n"); |
1429 | } | |
71dd8945 | 1430 | fprintf(fp, "\n"); |
bd74137e | 1431 | |
3a4b8cc7 ACM |
1432 | return ret; |
1433 | } | |
1434 | ||
436224a6 PZ |
1435 | static void register_idle_thread(void) |
1436 | { | |
1437 | struct thread *thread = threads__findnew(0); | |
1438 | ||
1439 | if (thread == NULL || | |
1440 | thread__set_comm(thread, "[idle]")) { | |
1441 | fprintf(stderr, "problem inserting idle task.\n"); | |
1442 | exit(-1); | |
1443 | } | |
1444 | } | |
1445 | ||
62fc4453 PZ |
1446 | static unsigned long total = 0, |
1447 | total_mmap = 0, | |
1448 | total_comm = 0, | |
1449 | total_fork = 0, | |
9d91a6f7 PZ |
1450 | total_unknown = 0, |
1451 | total_lost = 0; | |
e7fb08b1 | 1452 | |
2a0a50fe | 1453 | static int validate_chain(struct ip_callchain *chain, event_t *event) |
7522060c IM |
1454 | { |
1455 | unsigned int chain_size; | |
1456 | ||
7522060c IM |
1457 | chain_size = event->header.size; |
1458 | chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event; | |
1459 | ||
9cffa8d5 | 1460 | if (chain->nr*sizeof(u64) > chain_size) |
7522060c IM |
1461 | return -1; |
1462 | ||
1463 | return 0; | |
1464 | } | |
1465 | ||
d80d338d | 1466 | static int |
e6e18ec7 | 1467 | process_sample_event(event_t *event, unsigned long offset, unsigned long head) |
75051724 IM |
1468 | { |
1469 | char level; | |
1470 | int show = 0; | |
1471 | struct dso *dso = NULL; | |
1472 | struct thread *thread = threads__findnew(event->ip.pid); | |
9cffa8d5 PM |
1473 | u64 ip = event->ip.ip; |
1474 | u64 period = 1; | |
75051724 | 1475 | struct map *map = NULL; |
3efa1cc9 | 1476 | void *more_data = event->ip.__more_data; |
2a0a50fe | 1477 | struct ip_callchain *chain = NULL; |
d8db1b57 | 1478 | int cpumode; |
75051724 | 1479 | |
e6e18ec7 | 1480 | if (sample_type & PERF_SAMPLE_PERIOD) { |
9cffa8d5 PM |
1481 | period = *(u64 *)more_data; |
1482 | more_data += sizeof(u64); | |
3efa1cc9 | 1483 | } |
ea1900e5 | 1484 | |
e6e18ec7 | 1485 | dprintf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d: %p period: %Ld\n", |
75051724 IM |
1486 | (void *)(offset + head), |
1487 | (void *)(long)(event->header.size), | |
1488 | event->header.misc, | |
1489 | event->ip.pid, | |
4502d77c | 1490 | (void *)(long)ip, |
ea1900e5 | 1491 | (long long)period); |
75051724 | 1492 | |
e6e18ec7 | 1493 | if (sample_type & PERF_SAMPLE_CALLCHAIN) { |
f37a291c | 1494 | unsigned int i; |
3efa1cc9 IM |
1495 | |
1496 | chain = (void *)more_data; | |
1497 | ||
2a0a50fe | 1498 | dprintf("... chain: nr:%Lu\n", chain->nr); |
3efa1cc9 | 1499 | |
7522060c IM |
1500 | if (validate_chain(chain, event) < 0) { |
1501 | eprintf("call-chain problem with event, skipping it.\n"); | |
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | if (dump_trace) { | |
3efa1cc9 | 1506 | for (i = 0; i < chain->nr; i++) |
2a0a50fe | 1507 | dprintf("..... %2d: %016Lx\n", i, chain->ips[i]); |
3efa1cc9 IM |
1508 | } |
1509 | } | |
1510 | ||
75051724 IM |
1511 | dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
1512 | ||
1513 | if (thread == NULL) { | |
7522060c | 1514 | eprintf("problem processing %d event, skipping it.\n", |
75051724 IM |
1515 | event->header.type); |
1516 | return -1; | |
1517 | } | |
e7fb08b1 | 1518 | |
cc8b88b1 ACM |
1519 | if (comm_list && !strlist__has_entry(comm_list, thread->comm)) |
1520 | return 0; | |
1521 | ||
d8db1b57 AB |
1522 | cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK; |
1523 | ||
1524 | if (cpumode == PERF_EVENT_MISC_KERNEL) { | |
75051724 IM |
1525 | show = SHOW_KERNEL; |
1526 | level = 'k'; | |
e7fb08b1 | 1527 | |
75051724 | 1528 | dso = kernel_dso; |
ed966aac | 1529 | |
75051724 | 1530 | dprintf(" ...... dso: %s\n", dso->name); |
16f762a2 | 1531 | |
d8db1b57 | 1532 | } else if (cpumode == PERF_EVENT_MISC_USER) { |
16f762a2 | 1533 | |
75051724 IM |
1534 | show = SHOW_USER; |
1535 | level = '.'; | |
e7fb08b1 | 1536 | |
75051724 IM |
1537 | } else { |
1538 | show = SHOW_HV; | |
1539 | level = 'H'; | |
fb9c8188 AB |
1540 | |
1541 | dso = hypervisor_dso; | |
1542 | ||
75051724 IM |
1543 | dprintf(" ...... dso: [hypervisor]\n"); |
1544 | } | |
8fa66bdc | 1545 | |
75051724 | 1546 | if (show & show_mask) { |
6e7d6fdc | 1547 | struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip); |
8fa66bdc | 1548 | |
25903407 ACM |
1549 | if (dso_list && dso && dso->name && !strlist__has_entry(dso_list, dso->name)) |
1550 | return 0; | |
1551 | ||
7bec7a91 ACM |
1552 | if (sym_list && sym && !strlist__has_entry(sym_list, sym->name)) |
1553 | return 0; | |
1554 | ||
6e7d6fdc | 1555 | if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) { |
7522060c | 1556 | eprintf("problem incrementing symbol count, skipping event\n"); |
d80d338d | 1557 | return -1; |
ce7e4365 | 1558 | } |
8fa66bdc | 1559 | } |
ea1900e5 | 1560 | total += period; |
8fa66bdc | 1561 | |
75051724 IM |
1562 | return 0; |
1563 | } | |
3502973d | 1564 | |
75051724 IM |
1565 | static int |
1566 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | |
1567 | { | |
1568 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1569 | struct map *map = map__new(&event->mmap); | |
1570 | ||
62fc4453 | 1571 | dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
75051724 IM |
1572 | (void *)(offset + head), |
1573 | (void *)(long)(event->header.size), | |
62fc4453 | 1574 | event->mmap.pid, |
75051724 IM |
1575 | (void *)(long)event->mmap.start, |
1576 | (void *)(long)event->mmap.len, | |
1577 | (void *)(long)event->mmap.pgoff, | |
1578 | event->mmap.filename); | |
1579 | ||
1580 | if (thread == NULL || map == NULL) { | |
1581 | dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); | |
df97992c | 1582 | return 0; |
75051724 IM |
1583 | } |
1584 | ||
1585 | thread__insert_map(thread, map); | |
1586 | total_mmap++; | |
1587 | ||
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | static int | |
1592 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | |
1593 | { | |
1594 | struct thread *thread = threads__findnew(event->comm.pid); | |
1595 | ||
1596 | dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", | |
1597 | (void *)(offset + head), | |
1598 | (void *)(long)(event->header.size), | |
1599 | event->comm.comm, event->comm.pid); | |
1600 | ||
1601 | if (thread == NULL || | |
1602 | thread__set_comm(thread, event->comm.comm)) { | |
1603 | dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); | |
1604 | return -1; | |
8fa66bdc | 1605 | } |
75051724 IM |
1606 | total_comm++; |
1607 | ||
1608 | return 0; | |
1609 | } | |
1610 | ||
62fc4453 | 1611 | static int |
27d028de | 1612 | process_task_event(event_t *event, unsigned long offset, unsigned long head) |
62fc4453 PZ |
1613 | { |
1614 | struct thread *thread = threads__findnew(event->fork.pid); | |
1615 | struct thread *parent = threads__findnew(event->fork.ppid); | |
1616 | ||
27d028de | 1617 | dprintf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n", |
62fc4453 PZ |
1618 | (void *)(offset + head), |
1619 | (void *)(long)(event->header.size), | |
27d028de PZ |
1620 | event->header.type == PERF_EVENT_FORK ? "FORK" : "EXIT", |
1621 | event->fork.pid, event->fork.tid, | |
1622 | event->fork.ppid, event->fork.ptid); | |
1623 | ||
1624 | /* | |
1625 | * A thread clone will have the same PID for both | |
1626 | * parent and child. | |
1627 | */ | |
1628 | if (thread == parent) | |
1629 | return 0; | |
1630 | ||
1631 | if (event->header.type == PERF_EVENT_EXIT) | |
1632 | return 0; | |
62fc4453 PZ |
1633 | |
1634 | if (!thread || !parent || thread__fork(thread, parent)) { | |
1635 | dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); | |
1636 | return -1; | |
1637 | } | |
1638 | total_fork++; | |
1639 | ||
1640 | return 0; | |
1641 | } | |
1642 | ||
9d91a6f7 PZ |
1643 | static int |
1644 | process_lost_event(event_t *event, unsigned long offset, unsigned long head) | |
1645 | { | |
1646 | dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n", | |
1647 | (void *)(offset + head), | |
1648 | (void *)(long)(event->header.size), | |
1649 | event->lost.id, | |
1650 | event->lost.lost); | |
1651 | ||
1652 | total_lost += event->lost.lost; | |
1653 | ||
1654 | return 0; | |
1655 | } | |
1656 | ||
8465b050 IM |
1657 | static void trace_event(event_t *event) |
1658 | { | |
1659 | unsigned char *raw_event = (void *)event; | |
3efa1cc9 | 1660 | char *color = PERF_COLOR_BLUE; |
8465b050 IM |
1661 | int i, j; |
1662 | ||
1663 | if (!dump_trace) | |
1664 | return; | |
1665 | ||
3efa1cc9 IM |
1666 | dprintf("."); |
1667 | cdprintf("\n. ... raw event: size %d bytes\n", event->header.size); | |
8465b050 IM |
1668 | |
1669 | for (i = 0; i < event->header.size; i++) { | |
3efa1cc9 IM |
1670 | if ((i & 15) == 0) { |
1671 | dprintf("."); | |
1672 | cdprintf(" %04x: ", i); | |
1673 | } | |
8465b050 | 1674 | |
3efa1cc9 | 1675 | cdprintf(" %02x", raw_event[i]); |
8465b050 IM |
1676 | |
1677 | if (((i & 15) == 15) || i == event->header.size-1) { | |
3efa1cc9 | 1678 | cdprintf(" "); |
8465b050 | 1679 | for (j = 0; j < 15-(i & 15); j++) |
3efa1cc9 | 1680 | cdprintf(" "); |
8465b050 | 1681 | for (j = 0; j < (i & 15); j++) { |
a73c7d84 | 1682 | if (isprint(raw_event[i-15+j])) |
3efa1cc9 | 1683 | cdprintf("%c", raw_event[i-15+j]); |
8465b050 | 1684 | else |
3efa1cc9 | 1685 | cdprintf("."); |
8465b050 | 1686 | } |
3efa1cc9 | 1687 | cdprintf("\n"); |
8465b050 IM |
1688 | } |
1689 | } | |
1690 | dprintf(".\n"); | |
1691 | } | |
1692 | ||
e9ea2fde PZ |
1693 | static int |
1694 | process_read_event(event_t *event, unsigned long offset, unsigned long head) | |
1695 | { | |
1696 | dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n", | |
1697 | (void *)(offset + head), | |
1698 | (void *)(long)(event->header.size), | |
1699 | event->read.pid, | |
1700 | event->read.tid, | |
1701 | event->read.value); | |
1702 | ||
1703 | return 0; | |
1704 | } | |
1705 | ||
75051724 IM |
1706 | static int |
1707 | process_event(event_t *event, unsigned long offset, unsigned long head) | |
1708 | { | |
8465b050 IM |
1709 | trace_event(event); |
1710 | ||
75051724 | 1711 | switch (event->header.type) { |
e6e18ec7 PZ |
1712 | case PERF_EVENT_SAMPLE: |
1713 | return process_sample_event(event, offset, head); | |
1714 | ||
75051724 IM |
1715 | case PERF_EVENT_MMAP: |
1716 | return process_mmap_event(event, offset, head); | |
1717 | ||
1718 | case PERF_EVENT_COMM: | |
1719 | return process_comm_event(event, offset, head); | |
1720 | ||
62fc4453 | 1721 | case PERF_EVENT_FORK: |
27d028de PZ |
1722 | case PERF_EVENT_EXIT: |
1723 | return process_task_event(event, offset, head); | |
62fc4453 | 1724 | |
9d91a6f7 PZ |
1725 | case PERF_EVENT_LOST: |
1726 | return process_lost_event(event, offset, head); | |
1727 | ||
e9ea2fde PZ |
1728 | case PERF_EVENT_READ: |
1729 | return process_read_event(event, offset, head); | |
1730 | ||
d11444df IM |
1731 | /* |
1732 | * We dont process them right now but they are fine: | |
1733 | */ | |
62fc4453 | 1734 | |
d11444df IM |
1735 | case PERF_EVENT_THROTTLE: |
1736 | case PERF_EVENT_UNTHROTTLE: | |
1737 | return 0; | |
1738 | ||
d80d338d IM |
1739 | default: |
1740 | return -1; | |
1741 | } | |
1742 | ||
1743 | return 0; | |
1744 | } | |
1745 | ||
7c6a1c65 PZ |
1746 | static struct perf_header *header; |
1747 | ||
e6e18ec7 | 1748 | static u64 perf_header__sample_type(void) |
7c6a1c65 | 1749 | { |
e6e18ec7 | 1750 | u64 sample_type = 0; |
7c6a1c65 PZ |
1751 | int i; |
1752 | ||
1753 | for (i = 0; i < header->attrs; i++) { | |
1754 | struct perf_header_attr *attr = header->attr[i]; | |
1755 | ||
e6e18ec7 PZ |
1756 | if (!sample_type) |
1757 | sample_type = attr->attr.sample_type; | |
1758 | else if (sample_type != attr->attr.sample_type) | |
1759 | die("non matching sample_type"); | |
7c6a1c65 PZ |
1760 | } |
1761 | ||
e6e18ec7 | 1762 | return sample_type; |
7c6a1c65 | 1763 | } |
f5970550 | 1764 | |
d80d338d IM |
1765 | static int __cmd_report(void) |
1766 | { | |
75051724 | 1767 | int ret, rc = EXIT_FAILURE; |
d80d338d | 1768 | unsigned long offset = 0; |
7c6a1c65 | 1769 | unsigned long head, shift; |
d80d338d | 1770 | struct stat stat; |
d80d338d | 1771 | event_t *event; |
d80d338d | 1772 | uint32_t size; |
75051724 | 1773 | char *buf; |
d80d338d IM |
1774 | |
1775 | register_idle_thread(); | |
1776 | ||
1777 | input = open(input_name, O_RDONLY); | |
1778 | if (input < 0) { | |
a14832ff IM |
1779 | fprintf(stderr, " failed to open file: %s", input_name); |
1780 | if (!strcmp(input_name, "perf.data")) | |
1781 | fprintf(stderr, " (try 'perf record' first)"); | |
1782 | fprintf(stderr, "\n"); | |
d80d338d IM |
1783 | exit(-1); |
1784 | } | |
1785 | ||
1786 | ret = fstat(input, &stat); | |
1787 | if (ret < 0) { | |
1788 | perror("failed to stat file"); | |
1789 | exit(-1); | |
1790 | } | |
1791 | ||
1792 | if (!stat.st_size) { | |
1793 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1794 | exit(0); | |
1795 | } | |
1796 | ||
7c6a1c65 PZ |
1797 | header = perf_header__read(input); |
1798 | head = header->data_offset; | |
f5970550 | 1799 | |
e6e18ec7 PZ |
1800 | sample_type = perf_header__sample_type(); |
1801 | ||
91b4eaea FW |
1802 | if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
1803 | if (sort__has_parent) { | |
1804 | fprintf(stderr, "selected --sort parent, but no" | |
1805 | " callchain data. Did you call" | |
1806 | " perf record without -g?\n"); | |
1807 | exit(-1); | |
1808 | } | |
1809 | if (callchain) { | |
1810 | fprintf(stderr, "selected -c but no callchain data." | |
1811 | " Did you call perf record without" | |
1812 | " -g?\n"); | |
1813 | exit(-1); | |
1814 | } | |
f5970550 PZ |
1815 | } |
1816 | ||
d80d338d IM |
1817 | if (load_kernel() < 0) { |
1818 | perror("failed to load kernel symbols"); | |
1819 | return EXIT_FAILURE; | |
1820 | } | |
1821 | ||
1822 | if (!full_paths) { | |
1823 | if (getcwd(__cwd, sizeof(__cwd)) == NULL) { | |
1824 | perror("failed to get the current directory"); | |
1825 | return EXIT_FAILURE; | |
1826 | } | |
1827 | cwdlen = strlen(cwd); | |
1828 | } else { | |
1829 | cwd = NULL; | |
1830 | cwdlen = 0; | |
1831 | } | |
7c6a1c65 PZ |
1832 | |
1833 | shift = page_size * (head / page_size); | |
1834 | offset += shift; | |
1835 | head -= shift; | |
1836 | ||
d80d338d IM |
1837 | remap: |
1838 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1839 | MAP_SHARED, input, offset); | |
1840 | if (buf == MAP_FAILED) { | |
1841 | perror("failed to mmap file"); | |
1842 | exit(-1); | |
1843 | } | |
1844 | ||
1845 | more: | |
1846 | event = (event_t *)(buf + head); | |
1847 | ||
1848 | size = event->header.size; | |
1849 | if (!size) | |
1850 | size = 8; | |
1851 | ||
1852 | if (head + event->header.size >= page_size * mmap_window) { | |
d80d338d IM |
1853 | int ret; |
1854 | ||
7c6a1c65 PZ |
1855 | shift = page_size * (head / page_size); |
1856 | ||
d80d338d IM |
1857 | ret = munmap(buf, page_size * mmap_window); |
1858 | assert(ret == 0); | |
1859 | ||
1860 | offset += shift; | |
1861 | head -= shift; | |
1862 | goto remap; | |
1863 | } | |
1864 | ||
1865 | size = event->header.size; | |
1866 | ||
8465b050 | 1867 | dprintf("\n%p [%p]: event: %d\n", |
b2fef076 IM |
1868 | (void *)(offset + head), |
1869 | (void *)(long)event->header.size, | |
1870 | event->header.type); | |
1871 | ||
d80d338d IM |
1872 | if (!size || process_event(event, offset, head) < 0) { |
1873 | ||
3502973d IM |
1874 | dprintf("%p [%p]: skipping unknown header type: %d\n", |
1875 | (void *)(offset + head), | |
1876 | (void *)(long)(event->header.size), | |
1877 | event->header.type); | |
b7a16eac | 1878 | |
3e706114 | 1879 | total_unknown++; |
6142f9ec PZ |
1880 | |
1881 | /* | |
1882 | * assume we lost track of the stream, check alignment, and | |
1883 | * increment a single u64 in the hope to catch on again 'soon'. | |
1884 | */ | |
1885 | ||
1886 | if (unlikely(head & 7)) | |
1887 | head &= ~7ULL; | |
1888 | ||
1889 | size = 8; | |
97b07b69 | 1890 | } |
8fa66bdc | 1891 | |
6142f9ec | 1892 | head += size; |
f49515b1 | 1893 | |
7c6a1c65 | 1894 | if (offset + head >= header->data_offset + header->data_size) |
f5970550 PZ |
1895 | goto done; |
1896 | ||
f37a291c | 1897 | if (offset + head < (unsigned long)stat.st_size) |
8fa66bdc ACM |
1898 | goto more; |
1899 | ||
f5970550 | 1900 | done: |
8fa66bdc | 1901 | rc = EXIT_SUCCESS; |
8fa66bdc | 1902 | close(input); |
97b07b69 | 1903 | |
3502973d IM |
1904 | dprintf(" IP events: %10ld\n", total); |
1905 | dprintf(" mmap events: %10ld\n", total_mmap); | |
1906 | dprintf(" comm events: %10ld\n", total_comm); | |
62fc4453 | 1907 | dprintf(" fork events: %10ld\n", total_fork); |
9d91a6f7 | 1908 | dprintf(" lost events: %10ld\n", total_lost); |
3502973d | 1909 | dprintf(" unknown events: %10ld\n", total_unknown); |
97b07b69 | 1910 | |
3502973d | 1911 | if (dump_trace) |
97b07b69 | 1912 | return 0; |
97b07b69 | 1913 | |
9ac99545 ACM |
1914 | if (verbose >= 3) |
1915 | threads__fprintf(stdout); | |
1916 | ||
e7fb08b1 | 1917 | if (verbose >= 2) |
16f762a2 | 1918 | dsos__fprintf(stdout); |
16f762a2 | 1919 | |
8229289b | 1920 | collapse__resort(); |
c20ab37e | 1921 | output__resort(total); |
e7fb08b1 | 1922 | output__fprintf(stdout, total); |
8fa66bdc | 1923 | |
8fa66bdc ACM |
1924 | return rc; |
1925 | } | |
1926 | ||
4eb3e478 FW |
1927 | static int |
1928 | parse_callchain_opt(const struct option *opt __used, const char *arg, | |
1929 | int unset __used) | |
1930 | { | |
c20ab37e FW |
1931 | char *tok; |
1932 | char *endptr; | |
1933 | ||
4eb3e478 FW |
1934 | callchain = 1; |
1935 | ||
1936 | if (!arg) | |
1937 | return 0; | |
1938 | ||
c20ab37e FW |
1939 | tok = strtok((char *)arg, ","); |
1940 | if (!tok) | |
1941 | return -1; | |
1942 | ||
1943 | /* get the output mode */ | |
1944 | if (!strncmp(tok, "graph", strlen(arg))) | |
805d127d | 1945 | callchain_param.mode = CHAIN_GRAPH_ABS; |
4eb3e478 | 1946 | |
c20ab37e | 1947 | else if (!strncmp(tok, "flat", strlen(arg))) |
805d127d FW |
1948 | callchain_param.mode = CHAIN_FLAT; |
1949 | ||
1950 | else if (!strncmp(tok, "fractal", strlen(arg))) | |
1951 | callchain_param.mode = CHAIN_GRAPH_REL; | |
1952 | ||
4eb3e478 FW |
1953 | else |
1954 | return -1; | |
1955 | ||
c20ab37e FW |
1956 | /* get the min percentage */ |
1957 | tok = strtok(NULL, ","); | |
1958 | if (!tok) | |
805d127d | 1959 | goto setup; |
c20ab37e | 1960 | |
805d127d | 1961 | callchain_param.min_percent = strtod(tok, &endptr); |
c20ab37e FW |
1962 | if (tok == endptr) |
1963 | return -1; | |
1964 | ||
805d127d FW |
1965 | setup: |
1966 | if (register_callchain_param(&callchain_param) < 0) { | |
1967 | fprintf(stderr, "Can't register callchain params\n"); | |
1968 | return -1; | |
1969 | } | |
4eb3e478 FW |
1970 | return 0; |
1971 | } | |
1972 | ||
53cb8bc2 IM |
1973 | static const char * const report_usage[] = { |
1974 | "perf report [<options>] <command>", | |
1975 | NULL | |
1976 | }; | |
1977 | ||
1978 | static const struct option options[] = { | |
1979 | OPT_STRING('i', "input", &input_name, "file", | |
1980 | "input file name"), | |
815e777f ACM |
1981 | OPT_BOOLEAN('v', "verbose", &verbose, |
1982 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1983 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1984 | "dump raw trace in ASCII"), | |
450aaa2b | 1985 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
42976487 MG |
1986 | OPT_BOOLEAN('m', "modules", &modules, |
1987 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | |
e3d7e183 ACM |
1988 | OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples, |
1989 | "Show a column with the number of samples"), | |
63299f05 | 1990 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
b25bcf2f | 1991 | "sort by key(s): pid, comm, dso, symbol, parent"), |
b78c07d4 ACM |
1992 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
1993 | "Don't shorten the pathnames taking into account the cwd"), | |
b25bcf2f IM |
1994 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
1995 | "regex filter to identify parent, see: '--sort parent'"), | |
b8e6d829 IM |
1996 | OPT_BOOLEAN('x', "exclude-other", &exclude_other, |
1997 | "Only display entries with parent-match"), | |
1483b19f | 1998 | OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent", |
c20ab37e | 1999 | "Display callchains using output_type and min percent threshold. " |
1483b19f | 2000 | "Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt), |
25903407 ACM |
2001 | OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]", |
2002 | "only consider symbols in these dsos"), | |
cc8b88b1 ACM |
2003 | OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]", |
2004 | "only consider symbols in these comms"), | |
7bec7a91 ACM |
2005 | OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]", |
2006 | "only consider these symbols"), | |
52d422de ACM |
2007 | OPT_STRING('w', "column-widths", &col_width_list_str, |
2008 | "width[,width...]", | |
2009 | "don't try to adjust column width, use these fixed values"), | |
2010 | OPT_STRING('t', "field-separator", &field_sep, "separator", | |
2011 | "separator for columns, no spaces will be added between " | |
2012 | "columns '.' is reserved."), | |
53cb8bc2 IM |
2013 | OPT_END() |
2014 | }; | |
2015 | ||
5352f35d IM |
2016 | static void setup_sorting(void) |
2017 | { | |
2018 | char *tmp, *tok, *str = strdup(sort_order); | |
2019 | ||
2020 | for (tok = strtok_r(str, ", ", &tmp); | |
2021 | tok; tok = strtok_r(NULL, ", ", &tmp)) { | |
2022 | if (sort_dimension__add(tok) < 0) { | |
2023 | error("Unknown --sort key: `%s'", tok); | |
2024 | usage_with_options(report_usage, options); | |
2025 | } | |
2026 | } | |
2027 | ||
2028 | free(str); | |
2029 | } | |
2030 | ||
cc8b88b1 | 2031 | static void setup_list(struct strlist **list, const char *list_str, |
021191b3 ACM |
2032 | struct sort_entry *se, const char *list_name, |
2033 | FILE *fp) | |
cc8b88b1 ACM |
2034 | { |
2035 | if (list_str) { | |
2036 | *list = strlist__new(true, list_str); | |
2037 | if (!*list) { | |
2038 | fprintf(stderr, "problems parsing %s list\n", | |
2039 | list_name); | |
2040 | exit(129); | |
2041 | } | |
021191b3 ACM |
2042 | if (strlist__nr_entries(*list) == 1) { |
2043 | fprintf(fp, "# %s: %s\n", list_name, | |
2044 | strlist__entry(*list, 0)->s); | |
2045 | se->elide = true; | |
2046 | } | |
cc8b88b1 ACM |
2047 | } |
2048 | } | |
2049 | ||
f37a291c | 2050 | int cmd_report(int argc, const char **argv, const char *prefix __used) |
53cb8bc2 | 2051 | { |
a2928c42 | 2052 | symbol__init(); |
53cb8bc2 IM |
2053 | |
2054 | page_size = getpagesize(); | |
2055 | ||
edc52dea | 2056 | argc = parse_options(argc, argv, options, report_usage, 0); |
53cb8bc2 | 2057 | |
1aa16738 PZ |
2058 | setup_sorting(); |
2059 | ||
021191b3 | 2060 | if (parent_pattern != default_parent_pattern) { |
b8e6d829 | 2061 | sort_dimension__add("parent"); |
021191b3 ACM |
2062 | sort_parent.elide = 1; |
2063 | } else | |
b8e6d829 IM |
2064 | exclude_other = 0; |
2065 | ||
edc52dea IM |
2066 | /* |
2067 | * Any (unrecognized) arguments left? | |
2068 | */ | |
2069 | if (argc) | |
2070 | usage_with_options(report_usage, options); | |
2071 | ||
a930d2c0 IM |
2072 | setup_pager(); |
2073 | ||
021191b3 ACM |
2074 | setup_list(&dso_list, dso_list_str, &sort_dso, "dso", stdout); |
2075 | setup_list(&comm_list, comm_list_str, &sort_comm, "comm", stdout); | |
2076 | setup_list(&sym_list, sym_list_str, &sort_sym, "symbol", stdout); | |
25903407 | 2077 | |
52d422de ACM |
2078 | if (field_sep && *field_sep == '.') { |
2079 | fputs("'.' is the only non valid --field-separator argument\n", | |
2080 | stderr); | |
2081 | exit(129); | |
2082 | } | |
2083 | ||
53cb8bc2 IM |
2084 | return __cmd_report(); |
2085 | } |