Commit | Line | Data |
---|---|---|
53cb8bc2 | 1 | #include "util/util.h" |
16f762a2 | 2 | #include "builtin.h" |
53cb8bc2 IM |
3 | |
4 | #include <libelf.h> | |
62eb9390 ACM |
5 | #include <gelf.h> |
6 | #include <elf.h> | |
53cb8bc2 | 7 | |
35a50c8a | 8 | #include "util/list.h" |
a930d2c0 | 9 | #include "util/cache.h" |
35a50c8a | 10 | #include "util/rbtree.h" |
8fa66bdc | 11 | |
53cb8bc2 IM |
12 | #include "perf.h" |
13 | ||
14 | #include "util/parse-options.h" | |
15 | #include "util/parse-events.h" | |
16 | ||
8fa66bdc ACM |
17 | #define SHOW_KERNEL 1 |
18 | #define SHOW_USER 2 | |
19 | #define SHOW_HV 4 | |
20 | ||
23ac9cbe | 21 | static char const *input_name = "perf.data"; |
450aaa2b | 22 | static char *vmlinux = NULL; |
37f440cb | 23 | static char *sort_order = "pid,symbol"; |
8fa66bdc ACM |
24 | static int input; |
25 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; | |
26 | ||
97b07b69 | 27 | static int dump_trace = 0; |
16f762a2 | 28 | static int verbose; |
97b07b69 | 29 | |
8fa66bdc ACM |
30 | static unsigned long page_size; |
31 | static unsigned long mmap_window = 32; | |
32 | ||
53cb8bc2 | 33 | const char *perf_event_names[] = { |
8fa66bdc ACM |
34 | [PERF_EVENT_MMAP] = " PERF_EVENT_MMAP", |
35 | [PERF_EVENT_MUNMAP] = " PERF_EVENT_MUNMAP", | |
36 | [PERF_EVENT_COMM] = " PERF_EVENT_COMM", | |
37 | }; | |
38 | ||
39 | struct ip_event { | |
40 | struct perf_event_header header; | |
41 | __u64 ip; | |
42 | __u32 pid, tid; | |
43 | }; | |
44 | struct mmap_event { | |
45 | struct perf_event_header header; | |
46 | __u32 pid, tid; | |
47 | __u64 start; | |
48 | __u64 len; | |
49 | __u64 pgoff; | |
50 | char filename[PATH_MAX]; | |
51 | }; | |
52 | struct comm_event { | |
53 | struct perf_event_header header; | |
54 | __u32 pid,tid; | |
55 | char comm[16]; | |
56 | }; | |
57 | ||
58 | typedef union event_union { | |
59 | struct perf_event_header header; | |
60 | struct ip_event ip; | |
61 | struct mmap_event mmap; | |
62 | struct comm_event comm; | |
63 | } event_t; | |
64 | ||
8fa66bdc | 65 | struct symbol { |
16f762a2 IM |
66 | struct rb_node rb_node; |
67 | __u64 start; | |
68 | __u64 end; | |
69 | char name[0]; | |
8fa66bdc ACM |
70 | }; |
71 | ||
72 | static struct symbol *symbol__new(uint64_t start, uint64_t len, const char *name) | |
73 | { | |
74 | struct symbol *self = malloc(sizeof(*self) + strlen(name) + 1); | |
75 | ||
76 | if (self != NULL) { | |
77 | self->start = start; | |
78 | self->end = start + len; | |
79 | strcpy(self->name, name); | |
80 | } | |
81 | ||
82 | return self; | |
83 | } | |
84 | ||
85 | static void symbol__delete(struct symbol *self) | |
86 | { | |
87 | free(self); | |
88 | } | |
89 | ||
90 | static size_t symbol__fprintf(struct symbol *self, FILE *fp) | |
91 | { | |
16f762a2 | 92 | return fprintf(fp, " %llx-%llx %s\n", |
8fa66bdc ACM |
93 | self->start, self->end, self->name); |
94 | } | |
95 | ||
96 | struct dso { | |
97 | struct list_head node; | |
35a50c8a | 98 | struct rb_root syms; |
8fa66bdc ACM |
99 | char name[0]; |
100 | }; | |
101 | ||
102 | static struct dso *dso__new(const char *name) | |
103 | { | |
104 | struct dso *self = malloc(sizeof(*self) + strlen(name) + 1); | |
105 | ||
106 | if (self != NULL) { | |
107 | strcpy(self->name, name); | |
35a50c8a | 108 | self->syms = RB_ROOT; |
8fa66bdc ACM |
109 | } |
110 | ||
111 | return self; | |
112 | } | |
113 | ||
8fa66bdc ACM |
114 | static void dso__delete_symbols(struct dso *self) |
115 | { | |
35a50c8a ACM |
116 | struct symbol *pos; |
117 | struct rb_node *next = rb_first(&self->syms); | |
8fa66bdc | 118 | |
35a50c8a ACM |
119 | while (next) { |
120 | pos = rb_entry(next, struct symbol, rb_node); | |
121 | next = rb_next(&pos->rb_node); | |
8fa66bdc | 122 | symbol__delete(pos); |
35a50c8a | 123 | } |
8fa66bdc ACM |
124 | } |
125 | ||
126 | static void dso__delete(struct dso *self) | |
127 | { | |
8fa66bdc ACM |
128 | dso__delete_symbols(self); |
129 | free(self); | |
130 | } | |
131 | ||
132 | static void dso__insert_symbol(struct dso *self, struct symbol *sym) | |
133 | { | |
35a50c8a ACM |
134 | struct rb_node **p = &self->syms.rb_node; |
135 | struct rb_node *parent = NULL; | |
136 | const uint64_t ip = sym->start; | |
137 | struct symbol *s; | |
138 | ||
139 | while (*p != NULL) { | |
140 | parent = *p; | |
141 | s = rb_entry(parent, struct symbol, rb_node); | |
142 | if (ip < s->start) | |
143 | p = &(*p)->rb_left; | |
144 | else | |
145 | p = &(*p)->rb_right; | |
146 | } | |
147 | rb_link_node(&sym->rb_node, parent, p); | |
148 | rb_insert_color(&sym->rb_node, &self->syms); | |
8fa66bdc ACM |
149 | } |
150 | ||
151 | static struct symbol *dso__find_symbol(struct dso *self, uint64_t ip) | |
152 | { | |
16f762a2 IM |
153 | struct rb_node *n; |
154 | ||
8fa66bdc ACM |
155 | if (self == NULL) |
156 | return NULL; | |
157 | ||
16f762a2 | 158 | n = self->syms.rb_node; |
8fa66bdc | 159 | |
35a50c8a ACM |
160 | while (n) { |
161 | struct symbol *s = rb_entry(n, struct symbol, rb_node); | |
162 | ||
163 | if (ip < s->start) | |
164 | n = n->rb_left; | |
165 | else if (ip > s->end) | |
166 | n = n->rb_right; | |
167 | else | |
168 | return s; | |
169 | } | |
8fa66bdc ACM |
170 | |
171 | return NULL; | |
172 | } | |
173 | ||
62eb9390 ACM |
174 | /** |
175 | * elf_symtab__for_each_symbol - iterate thru all the symbols | |
176 | * | |
177 | * @self: struct elf_symtab instance to iterate | |
178 | * @index: uint32_t index | |
179 | * @sym: GElf_Sym iterator | |
180 | */ | |
181 | #define elf_symtab__for_each_symbol(syms, nr_syms, index, sym) \ | |
182 | for (index = 0, gelf_getsym(syms, index, &sym);\ | |
183 | index < nr_syms; \ | |
184 | index++, gelf_getsym(syms, index, &sym)) | |
185 | ||
186 | static inline uint8_t elf_sym__type(const GElf_Sym *sym) | |
187 | { | |
188 | return GELF_ST_TYPE(sym->st_info); | |
189 | } | |
190 | ||
53cb8bc2 | 191 | static inline int elf_sym__is_function(const GElf_Sym *sym) |
62eb9390 ACM |
192 | { |
193 | return elf_sym__type(sym) == STT_FUNC && | |
194 | sym->st_name != 0 && | |
b7a16eac PZ |
195 | sym->st_shndx != SHN_UNDEF && |
196 | sym->st_size != 0; | |
62eb9390 ACM |
197 | } |
198 | ||
199 | static inline const char *elf_sym__name(const GElf_Sym *sym, | |
200 | const Elf_Data *symstrs) | |
201 | { | |
202 | return symstrs->d_buf + sym->st_name; | |
203 | } | |
204 | ||
205 | static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, | |
206 | GElf_Shdr *shp, const char *name, | |
207 | size_t *index) | |
208 | { | |
209 | Elf_Scn *sec = NULL; | |
210 | size_t cnt = 1; | |
211 | ||
212 | while ((sec = elf_nextscn(elf, sec)) != NULL) { | |
213 | char *str; | |
214 | ||
215 | gelf_getshdr(sec, shp); | |
216 | str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name); | |
217 | if (!strcmp(name, str)) { | |
218 | if (index) | |
219 | *index = cnt; | |
220 | break; | |
221 | } | |
222 | ++cnt; | |
223 | } | |
224 | ||
225 | return sec; | |
226 | } | |
227 | ||
b7a16eac | 228 | static int dso__load_sym(struct dso *self, int fd, char *name) |
8fa66bdc | 229 | { |
16f762a2 IM |
230 | Elf_Data *symstrs; |
231 | uint32_t nr_syms; | |
b7a16eac | 232 | int err = -1; |
16f762a2 IM |
233 | uint32_t index; |
234 | GElf_Ehdr ehdr; | |
235 | GElf_Shdr shdr; | |
236 | Elf_Data *syms; | |
237 | GElf_Sym sym; | |
238 | Elf_Scn *sec; | |
239 | Elf *elf; | |
b7a16eac | 240 | int nr = 0; |
62eb9390 | 241 | |
16f762a2 | 242 | elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); |
62eb9390 ACM |
243 | if (elf == NULL) { |
244 | fprintf(stderr, "%s: cannot read %s ELF file.\n", | |
b7a16eac | 245 | __func__, name); |
62eb9390 ACM |
246 | goto out_close; |
247 | } | |
248 | ||
62eb9390 ACM |
249 | if (gelf_getehdr(elf, &ehdr) == NULL) { |
250 | fprintf(stderr, "%s: cannot get elf header.\n", __func__); | |
251 | goto out_elf_end; | |
252 | } | |
253 | ||
16f762a2 | 254 | sec = elf_section_by_name(elf, &ehdr, &shdr, ".symtab", NULL); |
62eb9390 ACM |
255 | if (sec == NULL) |
256 | sec = elf_section_by_name(elf, &ehdr, &shdr, ".dynsym", NULL); | |
257 | ||
258 | if (sec == NULL) | |
259 | goto out_elf_end; | |
260 | ||
16f762a2 | 261 | syms = elf_getdata(sec, NULL); |
62eb9390 ACM |
262 | if (syms == NULL) |
263 | goto out_elf_end; | |
264 | ||
265 | sec = elf_getscn(elf, shdr.sh_link); | |
266 | if (sec == NULL) | |
267 | goto out_elf_end; | |
268 | ||
16f762a2 | 269 | symstrs = elf_getdata(sec, NULL); |
62eb9390 ACM |
270 | if (symstrs == NULL) |
271 | goto out_elf_end; | |
272 | ||
16f762a2 | 273 | nr_syms = shdr.sh_size / shdr.sh_entsize; |
62eb9390 | 274 | |
62eb9390 | 275 | elf_symtab__for_each_symbol(syms, nr_syms, index, sym) { |
f17e04af PZ |
276 | struct symbol *f; |
277 | ||
62eb9390 ACM |
278 | if (!elf_sym__is_function(&sym)) |
279 | continue; | |
f17e04af PZ |
280 | |
281 | sec = elf_getscn(elf, sym.st_shndx); | |
282 | if (!sec) | |
283 | goto out_elf_end; | |
284 | ||
285 | gelf_getshdr(sec, &shdr); | |
286 | sym.st_value -= shdr.sh_addr - shdr.sh_offset; | |
287 | ||
288 | f = symbol__new(sym.st_value, sym.st_size, | |
289 | elf_sym__name(&sym, symstrs)); | |
290 | if (!f) | |
62eb9390 ACM |
291 | goto out_elf_end; |
292 | ||
293 | dso__insert_symbol(self, f); | |
b7a16eac PZ |
294 | |
295 | nr++; | |
62eb9390 ACM |
296 | } |
297 | ||
b7a16eac | 298 | err = nr; |
62eb9390 ACM |
299 | out_elf_end: |
300 | elf_end(elf); | |
301 | out_close: | |
62eb9390 | 302 | return err; |
8fa66bdc ACM |
303 | } |
304 | ||
b7a16eac PZ |
305 | static int dso__load(struct dso *self) |
306 | { | |
307 | int size = strlen(self->name) + sizeof("/usr/lib/debug%s.debug"); | |
308 | char *name = malloc(size); | |
309 | int variant = 0; | |
310 | int ret = -1; | |
311 | int fd; | |
312 | ||
313 | if (!name) | |
314 | return -1; | |
315 | ||
316 | more: | |
317 | do { | |
318 | switch (variant) { | |
319 | case 0: /* Fedora */ | |
320 | snprintf(name, size, "/usr/lib/debug%s.debug", self->name); | |
321 | break; | |
322 | case 1: /* Ubuntu */ | |
323 | snprintf(name, size, "/usr/lib/debug%s", self->name); | |
324 | break; | |
325 | case 2: /* Sane people */ | |
326 | snprintf(name, size, "%s", self->name); | |
327 | break; | |
328 | ||
329 | default: | |
330 | goto out; | |
331 | } | |
332 | variant++; | |
333 | ||
334 | fd = open(name, O_RDONLY); | |
335 | } while (fd < 0); | |
336 | ||
337 | ret = dso__load_sym(self, fd, name); | |
338 | close(fd); | |
339 | ||
340 | /* | |
341 | * Some people seem to have debuginfo files _WITHOUT_ debug info!?!? | |
342 | */ | |
343 | if (!ret) | |
344 | goto more; | |
345 | ||
346 | out: | |
347 | free(name); | |
348 | return ret; | |
349 | } | |
350 | ||
8fa66bdc ACM |
351 | static size_t dso__fprintf(struct dso *self, FILE *fp) |
352 | { | |
8fa66bdc ACM |
353 | size_t ret = fprintf(fp, "dso: %s\n", self->name); |
354 | ||
35a50c8a ACM |
355 | struct rb_node *nd; |
356 | for (nd = rb_first(&self->syms); nd; nd = rb_next(nd)) { | |
357 | struct symbol *pos = rb_entry(nd, struct symbol, rb_node); | |
8fa66bdc | 358 | ret += symbol__fprintf(pos, fp); |
35a50c8a | 359 | } |
8fa66bdc ACM |
360 | |
361 | return ret; | |
362 | } | |
363 | ||
364 | static LIST_HEAD(dsos); | |
365 | static struct dso *kernel_dso; | |
366 | ||
367 | static void dsos__add(struct dso *dso) | |
368 | { | |
369 | list_add_tail(&dso->node, &dsos); | |
370 | } | |
371 | ||
372 | static struct dso *dsos__find(const char *name) | |
373 | { | |
374 | struct dso *pos; | |
375 | ||
376 | list_for_each_entry(pos, &dsos, node) | |
377 | if (strcmp(pos->name, name) == 0) | |
378 | return pos; | |
379 | return NULL; | |
380 | } | |
381 | ||
382 | static struct dso *dsos__findnew(const char *name) | |
383 | { | |
384 | struct dso *dso = dsos__find(name); | |
b7a16eac | 385 | int nr; |
8fa66bdc ACM |
386 | |
387 | if (dso == NULL) { | |
388 | dso = dso__new(name); | |
b7a16eac PZ |
389 | if (!dso) |
390 | goto out_delete_dso; | |
391 | ||
392 | nr = dso__load(dso); | |
393 | if (nr < 0) { | |
394 | fprintf(stderr, "Failed to open: %s\n", name); | |
8fa66bdc | 395 | goto out_delete_dso; |
b7a16eac PZ |
396 | } |
397 | if (!nr) { | |
398 | fprintf(stderr, | |
399 | "Failed to find debug symbols for: %s, maybe install a debug package?\n", | |
400 | name); | |
401 | } | |
8fa66bdc ACM |
402 | |
403 | dsos__add(dso); | |
404 | } | |
405 | ||
406 | return dso; | |
407 | ||
408 | out_delete_dso: | |
409 | dso__delete(dso); | |
410 | return NULL; | |
411 | } | |
412 | ||
16f762a2 | 413 | static void dsos__fprintf(FILE *fp) |
8fa66bdc ACM |
414 | { |
415 | struct dso *pos; | |
416 | ||
417 | list_for_each_entry(pos, &dsos, node) | |
418 | dso__fprintf(pos, fp); | |
419 | } | |
420 | ||
d8d1656e ACM |
421 | static int hex(char ch) |
422 | { | |
423 | if ((ch >= '0') && (ch <= '9')) | |
424 | return ch - '0'; | |
425 | if ((ch >= 'a') && (ch <= 'f')) | |
426 | return ch - 'a' + 10; | |
427 | if ((ch >= 'A') && (ch <= 'F')) | |
428 | return ch - 'A' + 10; | |
429 | return -1; | |
430 | } | |
431 | ||
432 | /* | |
433 | * While we find nice hex chars, build a long_val. | |
434 | * Return number of chars processed. | |
435 | */ | |
16f762a2 | 436 | static int hex2long(char *ptr, unsigned long *long_val) |
d8d1656e ACM |
437 | { |
438 | const char *p = ptr; | |
439 | *long_val = 0; | |
440 | ||
441 | while (*p) { | |
442 | const int hex_val = hex(*p); | |
443 | ||
444 | if (hex_val < 0) | |
445 | break; | |
446 | ||
447 | *long_val = (*long_val << 4) | hex_val; | |
448 | p++; | |
449 | } | |
450 | ||
451 | return p - ptr; | |
452 | } | |
453 | ||
8fa66bdc ACM |
454 | static int load_kallsyms(void) |
455 | { | |
af83632f IM |
456 | struct rb_node *nd, *prevnd; |
457 | char *line = NULL; | |
458 | FILE *file; | |
459 | size_t n; | |
460 | ||
8fa66bdc ACM |
461 | kernel_dso = dso__new("[kernel]"); |
462 | if (kernel_dso == NULL) | |
463 | return -1; | |
464 | ||
af83632f | 465 | file = fopen("/proc/kallsyms", "r"); |
8fa66bdc ACM |
466 | if (file == NULL) |
467 | goto out_delete_dso; | |
468 | ||
8fa66bdc | 469 | while (!feof(file)) { |
d8d1656e | 470 | unsigned long start; |
af83632f IM |
471 | struct symbol *sym; |
472 | int line_len, len; | |
473 | char symbol_type; | |
474 | ||
475 | line_len = getline(&line, &n, file); | |
d8d1656e | 476 | if (line_len < 0) |
8fa66bdc ACM |
477 | break; |
478 | ||
479 | if (!line) | |
480 | goto out_delete_dso; | |
481 | ||
d8d1656e | 482 | line[--line_len] = '\0'; /* \n */ |
abd54f68 | 483 | |
af83632f IM |
484 | len = hex2long(line, &start); |
485 | ||
03f6316d ACM |
486 | len++; |
487 | if (len + 2 >= line_len) | |
488 | continue; | |
489 | ||
af83632f | 490 | symbol_type = toupper(line[len]); |
03f6316d ACM |
491 | /* |
492 | * We're interested only in code ('T'ext) | |
493 | */ | |
af83632f | 494 | if (symbol_type != 'T' && symbol_type != 'W') |
d8d1656e ACM |
495 | continue; |
496 | /* | |
497 | * Well fix up the end later, when we have all sorted. | |
498 | */ | |
af83632f | 499 | sym = symbol__new(start, 0xdead, line + len + 2); |
abd54f68 | 500 | |
d8d1656e ACM |
501 | if (sym == NULL) |
502 | goto out_delete_dso; | |
503 | ||
504 | dso__insert_symbol(kernel_dso, sym); | |
8fa66bdc ACM |
505 | } |
506 | ||
abd54f68 ACM |
507 | /* |
508 | * Now that we have all sorted out, just set the ->end of all | |
509 | * symbols | |
510 | */ | |
af83632f | 511 | prevnd = rb_first(&kernel_dso->syms); |
abd54f68 ACM |
512 | |
513 | if (prevnd == NULL) | |
514 | goto out_delete_line; | |
515 | ||
516 | for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { | |
517 | struct symbol *prev = rb_entry(prevnd, struct symbol, rb_node), | |
518 | *curr = rb_entry(nd, struct symbol, rb_node); | |
519 | ||
520 | prev->end = curr->start - 1; | |
521 | prevnd = nd; | |
522 | } | |
523 | ||
8fa66bdc ACM |
524 | dsos__add(kernel_dso); |
525 | free(line); | |
526 | fclose(file); | |
af83632f | 527 | |
8fa66bdc ACM |
528 | return 0; |
529 | ||
59d81029 ACM |
530 | out_delete_line: |
531 | free(line); | |
8fa66bdc ACM |
532 | out_delete_dso: |
533 | dso__delete(kernel_dso); | |
534 | return -1; | |
535 | } | |
536 | ||
450aaa2b PZ |
537 | static int load_kernel(void) |
538 | { | |
539 | int fd, nr; | |
540 | ||
541 | if (!vmlinux) | |
542 | goto kallsyms; | |
543 | ||
544 | fd = open(vmlinux, O_RDONLY); | |
545 | if (fd < 0) | |
546 | goto kallsyms; | |
547 | ||
548 | kernel_dso = dso__new("[kernel]"); | |
549 | if (!kernel_dso) | |
550 | goto fail_open; | |
551 | ||
552 | nr = dso__load_sym(kernel_dso, fd, vmlinux); | |
553 | ||
554 | if (nr <= 0) | |
555 | goto fail_load; | |
556 | ||
557 | dsos__add(kernel_dso); | |
558 | close(fd); | |
559 | ||
560 | return 0; | |
561 | ||
562 | fail_load: | |
563 | dso__delete(kernel_dso); | |
564 | fail_open: | |
565 | close(fd); | |
566 | kallsyms: | |
567 | return load_kallsyms(); | |
568 | } | |
569 | ||
8fa66bdc ACM |
570 | struct map { |
571 | struct list_head node; | |
572 | uint64_t start; | |
573 | uint64_t end; | |
574 | uint64_t pgoff; | |
575 | struct dso *dso; | |
576 | }; | |
577 | ||
578 | static struct map *map__new(struct mmap_event *event) | |
579 | { | |
580 | struct map *self = malloc(sizeof(*self)); | |
581 | ||
582 | if (self != NULL) { | |
583 | self->start = event->start; | |
584 | self->end = event->start + event->len; | |
585 | self->pgoff = event->pgoff; | |
586 | ||
587 | self->dso = dsos__findnew(event->filename); | |
588 | if (self->dso == NULL) | |
589 | goto out_delete; | |
590 | } | |
591 | return self; | |
592 | out_delete: | |
593 | free(self); | |
594 | return NULL; | |
595 | } | |
596 | ||
3a4b8cc7 ACM |
597 | struct thread; |
598 | ||
8fa66bdc | 599 | struct thread { |
ce7e4365 | 600 | struct rb_node rb_node; |
8fa66bdc | 601 | struct list_head maps; |
8fa66bdc ACM |
602 | pid_t pid; |
603 | char *comm; | |
604 | }; | |
605 | ||
606 | static struct thread *thread__new(pid_t pid) | |
607 | { | |
608 | struct thread *self = malloc(sizeof(*self)); | |
609 | ||
610 | if (self != NULL) { | |
611 | self->pid = pid; | |
612 | self->comm = NULL; | |
613 | INIT_LIST_HEAD(&self->maps); | |
8fa66bdc ACM |
614 | } |
615 | ||
616 | return self; | |
617 | } | |
618 | ||
8fa66bdc ACM |
619 | static int thread__set_comm(struct thread *self, const char *comm) |
620 | { | |
621 | self->comm = strdup(comm); | |
622 | return self->comm ? 0 : -ENOMEM; | |
623 | } | |
624 | ||
16f762a2 | 625 | static struct rb_root threads; |
8fa66bdc | 626 | |
ce7e4365 | 627 | static struct thread *threads__findnew(pid_t pid) |
8fa66bdc | 628 | { |
ce7e4365 ACM |
629 | struct rb_node **p = &threads.rb_node; |
630 | struct rb_node *parent = NULL; | |
631 | struct thread *th; | |
8fa66bdc | 632 | |
ce7e4365 ACM |
633 | while (*p != NULL) { |
634 | parent = *p; | |
635 | th = rb_entry(parent, struct thread, rb_node); | |
8fa66bdc | 636 | |
ce7e4365 ACM |
637 | if (th->pid == pid) |
638 | return th; | |
8fa66bdc | 639 | |
ce7e4365 ACM |
640 | if (pid < th->pid) |
641 | p = &(*p)->rb_left; | |
642 | else | |
643 | p = &(*p)->rb_right; | |
8fa66bdc ACM |
644 | } |
645 | ||
ce7e4365 ACM |
646 | th = thread__new(pid); |
647 | if (th != NULL) { | |
648 | rb_link_node(&th->rb_node, parent, p); | |
649 | rb_insert_color(&th->rb_node, &threads); | |
650 | } | |
651 | return th; | |
8fa66bdc ACM |
652 | } |
653 | ||
654 | static void thread__insert_map(struct thread *self, struct map *map) | |
655 | { | |
656 | list_add_tail(&map->node, &self->maps); | |
657 | } | |
658 | ||
659 | static struct map *thread__find_map(struct thread *self, uint64_t ip) | |
660 | { | |
16f762a2 IM |
661 | struct map *pos; |
662 | ||
8fa66bdc ACM |
663 | if (self == NULL) |
664 | return NULL; | |
665 | ||
8fa66bdc ACM |
666 | list_for_each_entry(pos, &self->maps, node) |
667 | if (ip >= pos->start && ip <= pos->end) | |
668 | return pos; | |
669 | ||
670 | return NULL; | |
671 | } | |
672 | ||
e7fb08b1 PZ |
673 | /* |
674 | * histogram, sorted on item, collects counts | |
675 | */ | |
676 | ||
677 | static struct rb_root hist; | |
678 | ||
679 | struct hist_entry { | |
680 | struct rb_node rb_node; | |
681 | ||
682 | struct thread *thread; | |
683 | struct map *map; | |
684 | struct dso *dso; | |
685 | struct symbol *sym; | |
686 | uint64_t ip; | |
687 | char level; | |
688 | ||
689 | uint32_t count; | |
690 | }; | |
691 | ||
1aa16738 PZ |
692 | /* |
693 | * configurable sorting bits | |
694 | */ | |
695 | ||
696 | struct sort_entry { | |
697 | struct list_head list; | |
698 | ||
ca8cdeef PZ |
699 | char *header; |
700 | ||
1aa16738 PZ |
701 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
702 | size_t (*print)(FILE *fp, struct hist_entry *); | |
703 | }; | |
704 | ||
e7fb08b1 | 705 | static int64_t |
1aa16738 | 706 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
e7fb08b1 | 707 | { |
1aa16738 PZ |
708 | return right->thread->pid - left->thread->pid; |
709 | } | |
710 | ||
711 | static size_t | |
712 | sort__thread_print(FILE *fp, struct hist_entry *self) | |
713 | { | |
ca8cdeef | 714 | return fprintf(fp, " %16s:%5d", self->thread->comm ?: "", self->thread->pid); |
1aa16738 | 715 | } |
e7fb08b1 | 716 | |
1aa16738 | 717 | static struct sort_entry sort_thread = { |
ca8cdeef | 718 | .header = " Command: Pid ", |
1aa16738 PZ |
719 | .cmp = sort__thread_cmp, |
720 | .print = sort__thread_print, | |
721 | }; | |
722 | ||
992444b1 PZ |
723 | static int64_t |
724 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | |
725 | { | |
726 | char *comm_l = left->thread->comm; | |
727 | char *comm_r = right->thread->comm; | |
728 | ||
729 | if (!comm_l || !comm_r) { | |
730 | if (!comm_l && !comm_r) | |
731 | return 0; | |
732 | else if (!comm_l) | |
733 | return -1; | |
734 | else | |
735 | return 1; | |
736 | } | |
737 | ||
738 | return strcmp(comm_l, comm_r); | |
739 | } | |
740 | ||
741 | static size_t | |
742 | sort__comm_print(FILE *fp, struct hist_entry *self) | |
743 | { | |
2d65537e | 744 | return fprintf(fp, " %16s", self->thread->comm ?: "<unknown>"); |
992444b1 PZ |
745 | } |
746 | ||
747 | static struct sort_entry sort_comm = { | |
ca8cdeef | 748 | .header = " Command", |
992444b1 PZ |
749 | .cmp = sort__comm_cmp, |
750 | .print = sort__comm_print, | |
751 | }; | |
752 | ||
55e5ec41 PZ |
753 | static int64_t |
754 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | |
755 | { | |
756 | struct dso *dso_l = left->dso; | |
757 | struct dso *dso_r = right->dso; | |
758 | ||
759 | if (!dso_l || !dso_r) { | |
760 | if (!dso_l && !dso_r) | |
761 | return 0; | |
762 | else if (!dso_l) | |
763 | return -1; | |
764 | else | |
765 | return 1; | |
766 | } | |
767 | ||
768 | return strcmp(dso_l->name, dso_r->name); | |
769 | } | |
770 | ||
771 | static size_t | |
772 | sort__dso_print(FILE *fp, struct hist_entry *self) | |
773 | { | |
2d65537e | 774 | return fprintf(fp, " %64s", self->dso ? self->dso->name : "<unknown>"); |
55e5ec41 PZ |
775 | } |
776 | ||
777 | static struct sort_entry sort_dso = { | |
ca8cdeef | 778 | .header = " Shared Object", |
55e5ec41 PZ |
779 | .cmp = sort__dso_cmp, |
780 | .print = sort__dso_print, | |
781 | }; | |
782 | ||
1aa16738 PZ |
783 | static int64_t |
784 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | |
785 | { | |
786 | uint64_t ip_l, ip_r; | |
e7fb08b1 PZ |
787 | |
788 | if (left->sym == right->sym) | |
789 | return 0; | |
790 | ||
791 | ip_l = left->sym ? left->sym->start : left->ip; | |
792 | ip_r = right->sym ? right->sym->start : right->ip; | |
793 | ||
794 | return (int64_t)(ip_r - ip_l); | |
795 | } | |
796 | ||
1aa16738 PZ |
797 | static size_t |
798 | sort__sym_print(FILE *fp, struct hist_entry *self) | |
799 | { | |
800 | size_t ret = 0; | |
801 | ||
1aa16738 | 802 | if (verbose) |
2d65537e | 803 | ret += fprintf(fp, " %#018llx", (unsigned long long)self->ip); |
1aa16738 | 804 | |
ca8cdeef PZ |
805 | ret += fprintf(fp, " %s: %s", |
806 | self->dso ? self->dso->name : "<unknown>", | |
807 | self->sym ? self->sym->name : "<unknown>"); | |
1aa16738 PZ |
808 | |
809 | return ret; | |
810 | } | |
811 | ||
812 | static struct sort_entry sort_sym = { | |
ca8cdeef PZ |
813 | .header = "Shared Object: Symbol", |
814 | .cmp = sort__sym_cmp, | |
815 | .print = sort__sym_print, | |
1aa16738 PZ |
816 | }; |
817 | ||
37f440cb PZ |
818 | struct sort_dimension { |
819 | char *name; | |
820 | struct sort_entry *entry; | |
821 | int taken; | |
822 | }; | |
823 | ||
824 | static struct sort_dimension sort_dimensions[] = { | |
825 | { .name = "pid", .entry = &sort_thread, }, | |
992444b1 | 826 | { .name = "comm", .entry = &sort_comm, }, |
55e5ec41 | 827 | { .name = "dso", .entry = &sort_dso, }, |
37f440cb PZ |
828 | { .name = "symbol", .entry = &sort_sym, }, |
829 | }; | |
830 | ||
1aa16738 PZ |
831 | static LIST_HEAD(hist_entry__sort_list); |
832 | ||
37f440cb PZ |
833 | static int sort_dimension__add(char *tok) |
834 | { | |
835 | int i; | |
836 | ||
837 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | |
838 | struct sort_dimension *sd = &sort_dimensions[i]; | |
839 | ||
840 | if (sd->taken) | |
841 | continue; | |
842 | ||
843 | if (strcmp(tok, sd->name)) | |
844 | continue; | |
845 | ||
846 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); | |
847 | sd->taken = 1; | |
848 | return 0; | |
849 | } | |
850 | ||
851 | return -ESRCH; | |
852 | } | |
853 | ||
1aa16738 PZ |
854 | static void setup_sorting(void) |
855 | { | |
37f440cb PZ |
856 | char *tmp, *tok, *str = strdup(sort_order); |
857 | ||
858 | for (tok = strtok_r(str, ", ", &tmp); | |
859 | tok; tok = strtok_r(NULL, ", ", &tmp)) | |
860 | sort_dimension__add(tok); | |
861 | ||
862 | free(str); | |
1aa16738 PZ |
863 | } |
864 | ||
865 | static int64_t | |
866 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | |
867 | { | |
868 | struct sort_entry *se; | |
869 | int64_t cmp = 0; | |
870 | ||
871 | list_for_each_entry(se, &hist_entry__sort_list, list) { | |
872 | cmp = se->cmp(left, right); | |
873 | if (cmp) | |
874 | break; | |
875 | } | |
876 | ||
877 | return cmp; | |
878 | } | |
879 | ||
880 | static size_t | |
881 | hist_entry__fprintf(FILE *fp, struct hist_entry *self, uint64_t total_samples) | |
882 | { | |
883 | struct sort_entry *se; | |
884 | size_t ret; | |
885 | ||
886 | if (total_samples) { | |
2d65537e | 887 | ret = fprintf(fp, " %5.2f%%", |
1aa16738 PZ |
888 | (self->count * 100.0) / total_samples); |
889 | } else | |
890 | ret = fprintf(fp, "%12d ", self->count); | |
891 | ||
892 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
893 | ret += se->print(fp, self); | |
894 | ||
895 | ret += fprintf(fp, "\n"); | |
896 | ||
897 | return ret; | |
898 | } | |
899 | ||
900 | /* | |
901 | * collect histogram counts | |
902 | */ | |
903 | ||
e7fb08b1 PZ |
904 | static int |
905 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | |
906 | struct symbol *sym, uint64_t ip, char level) | |
8fa66bdc | 907 | { |
e7fb08b1 PZ |
908 | struct rb_node **p = &hist.rb_node; |
909 | struct rb_node *parent = NULL; | |
910 | struct hist_entry *he; | |
911 | struct hist_entry entry = { | |
912 | .thread = thread, | |
913 | .map = map, | |
914 | .dso = dso, | |
915 | .sym = sym, | |
916 | .ip = ip, | |
917 | .level = level, | |
918 | .count = 1, | |
919 | }; | |
920 | int cmp; | |
921 | ||
922 | while (*p != NULL) { | |
923 | parent = *p; | |
924 | he = rb_entry(parent, struct hist_entry, rb_node); | |
925 | ||
926 | cmp = hist_entry__cmp(&entry, he); | |
927 | ||
928 | if (!cmp) { | |
929 | he->count++; | |
930 | return 0; | |
931 | } | |
932 | ||
933 | if (cmp < 0) | |
934 | p = &(*p)->rb_left; | |
935 | else | |
936 | p = &(*p)->rb_right; | |
ce7e4365 | 937 | } |
e7fb08b1 PZ |
938 | |
939 | he = malloc(sizeof(*he)); | |
940 | if (!he) | |
941 | return -ENOMEM; | |
942 | *he = entry; | |
943 | rb_link_node(&he->rb_node, parent, p); | |
944 | rb_insert_color(&he->rb_node, &hist); | |
945 | ||
946 | return 0; | |
8fa66bdc ACM |
947 | } |
948 | ||
e7fb08b1 PZ |
949 | /* |
950 | * reverse the map, sort on count. | |
951 | */ | |
952 | ||
953 | static struct rb_root output_hists; | |
954 | ||
955 | static void output__insert_entry(struct hist_entry *he) | |
3a4b8cc7 | 956 | { |
e7fb08b1 | 957 | struct rb_node **p = &output_hists.rb_node; |
3a4b8cc7 | 958 | struct rb_node *parent = NULL; |
e7fb08b1 | 959 | struct hist_entry *iter; |
3a4b8cc7 ACM |
960 | |
961 | while (*p != NULL) { | |
962 | parent = *p; | |
e7fb08b1 | 963 | iter = rb_entry(parent, struct hist_entry, rb_node); |
3a4b8cc7 | 964 | |
e7fb08b1 | 965 | if (he->count > iter->count) |
3a4b8cc7 ACM |
966 | p = &(*p)->rb_left; |
967 | else | |
968 | p = &(*p)->rb_right; | |
969 | } | |
970 | ||
e7fb08b1 PZ |
971 | rb_link_node(&he->rb_node, parent, p); |
972 | rb_insert_color(&he->rb_node, &output_hists); | |
3a4b8cc7 ACM |
973 | } |
974 | ||
e7fb08b1 | 975 | static void output__resort(void) |
3a4b8cc7 | 976 | { |
e7fb08b1 PZ |
977 | struct rb_node *next = rb_first(&hist); |
978 | struct hist_entry *n; | |
3a4b8cc7 | 979 | |
e7fb08b1 PZ |
980 | while (next) { |
981 | n = rb_entry(next, struct hist_entry, rb_node); | |
982 | next = rb_next(&n->rb_node); | |
3a4b8cc7 | 983 | |
e7fb08b1 PZ |
984 | rb_erase(&n->rb_node, &hist); |
985 | output__insert_entry(n); | |
3a4b8cc7 ACM |
986 | } |
987 | } | |
988 | ||
e7fb08b1 | 989 | static size_t output__fprintf(FILE *fp, uint64_t total_samples) |
3a4b8cc7 | 990 | { |
e7fb08b1 | 991 | struct hist_entry *pos; |
2d65537e | 992 | struct sort_entry *se; |
3a4b8cc7 ACM |
993 | struct rb_node *nd; |
994 | size_t ret = 0; | |
995 | ||
ca8cdeef PZ |
996 | fprintf(fp, "#\n"); |
997 | ||
998 | fprintf(fp, "# Overhead"); | |
999 | list_for_each_entry(se, &hist_entry__sort_list, list) | |
1000 | fprintf(fp, " %s", se->header); | |
1001 | fprintf(fp, "\n"); | |
1002 | ||
1003 | fprintf(fp, "# ........"); | |
2d65537e | 1004 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
ca8cdeef PZ |
1005 | int i; |
1006 | ||
1007 | fprintf(fp, " "); | |
1008 | for (i = 0; i < strlen(se->header); i++) | |
1009 | fprintf(fp, "."); | |
2d65537e | 1010 | } |
ca8cdeef PZ |
1011 | fprintf(fp, "\n"); |
1012 | ||
1013 | fprintf(fp, "#\n"); | |
2d65537e | 1014 | |
e7fb08b1 PZ |
1015 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
1016 | pos = rb_entry(nd, struct hist_entry, rb_node); | |
1017 | ret += hist_entry__fprintf(fp, pos, total_samples); | |
3a4b8cc7 ACM |
1018 | } |
1019 | ||
1020 | return ret; | |
1021 | } | |
1022 | ||
e7fb08b1 | 1023 | |
53cb8bc2 | 1024 | static int __cmd_report(void) |
8fa66bdc ACM |
1025 | { |
1026 | unsigned long offset = 0; | |
1027 | unsigned long head = 0; | |
1028 | struct stat stat; | |
1029 | char *buf; | |
1030 | event_t *event; | |
1031 | int ret, rc = EXIT_FAILURE; | |
6142f9ec | 1032 | uint32_t size; |
f49515b1 | 1033 | unsigned long total = 0, total_mmap = 0, total_comm = 0, total_unknown = 0; |
8fa66bdc | 1034 | |
8fa66bdc ACM |
1035 | input = open(input_name, O_RDONLY); |
1036 | if (input < 0) { | |
1037 | perror("failed to open file"); | |
1038 | exit(-1); | |
1039 | } | |
1040 | ||
1041 | ret = fstat(input, &stat); | |
1042 | if (ret < 0) { | |
1043 | perror("failed to stat file"); | |
1044 | exit(-1); | |
1045 | } | |
1046 | ||
1047 | if (!stat.st_size) { | |
1048 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1049 | exit(0); | |
1050 | } | |
1051 | ||
450aaa2b | 1052 | if (load_kernel() < 0) { |
8fa66bdc ACM |
1053 | perror("failed to open kallsyms"); |
1054 | return EXIT_FAILURE; | |
1055 | } | |
1056 | ||
1057 | remap: | |
1058 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | |
1059 | MAP_SHARED, input, offset); | |
1060 | if (buf == MAP_FAILED) { | |
1061 | perror("failed to mmap file"); | |
1062 | exit(-1); | |
1063 | } | |
1064 | ||
1065 | more: | |
1066 | event = (event_t *)(buf + head); | |
1067 | ||
6142f9ec PZ |
1068 | size = event->header.size; |
1069 | if (!size) | |
1070 | size = 8; | |
1071 | ||
8fa66bdc ACM |
1072 | if (head + event->header.size >= page_size * mmap_window) { |
1073 | unsigned long shift = page_size * (head / page_size); | |
1074 | int ret; | |
1075 | ||
1076 | ret = munmap(buf, page_size * mmap_window); | |
1077 | assert(ret == 0); | |
1078 | ||
1079 | offset += shift; | |
1080 | head -= shift; | |
1081 | goto remap; | |
1082 | } | |
1083 | ||
6142f9ec PZ |
1084 | size = event->header.size; |
1085 | if (!size) | |
1086 | goto broken_event; | |
8fa66bdc | 1087 | |
8fa66bdc ACM |
1088 | if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) { |
1089 | char level; | |
1090 | int show = 0; | |
1091 | struct dso *dso = NULL; | |
1092 | struct thread *thread = threads__findnew(event->ip.pid); | |
f17e04af | 1093 | uint64_t ip = event->ip.ip; |
e7fb08b1 | 1094 | struct map *map = NULL; |
8fa66bdc | 1095 | |
97b07b69 | 1096 | if (dump_trace) { |
f49515b1 IM |
1097 | fprintf(stderr, "%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", |
1098 | (void *)(offset + head), | |
1099 | (void *)(long)(event->header.size), | |
97b07b69 IM |
1100 | event->header.misc, |
1101 | event->ip.pid, | |
16f762a2 | 1102 | (void *)(long)ip); |
97b07b69 IM |
1103 | } |
1104 | ||
ce7e4365 | 1105 | if (thread == NULL) { |
55717314 | 1106 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
ce7e4365 | 1107 | event->header.type); |
55717314 | 1108 | goto broken_event; |
ce7e4365 | 1109 | } |
8fa66bdc ACM |
1110 | |
1111 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { | |
1112 | show = SHOW_KERNEL; | |
1113 | level = 'k'; | |
e7fb08b1 | 1114 | |
8fa66bdc | 1115 | dso = kernel_dso; |
e7fb08b1 | 1116 | |
8fa66bdc | 1117 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
16f762a2 | 1118 | |
8fa66bdc ACM |
1119 | show = SHOW_USER; |
1120 | level = '.'; | |
16f762a2 IM |
1121 | |
1122 | map = thread__find_map(thread, ip); | |
f17e04af | 1123 | if (map != NULL) { |
8fa66bdc | 1124 | dso = map->dso; |
f17e04af PZ |
1125 | ip -= map->start + map->pgoff; |
1126 | } | |
e7fb08b1 | 1127 | |
8fa66bdc ACM |
1128 | } else { |
1129 | show = SHOW_HV; | |
1130 | level = 'H'; | |
1131 | } | |
1132 | ||
1133 | if (show & show_mask) { | |
f17e04af | 1134 | struct symbol *sym = dso__find_symbol(dso, ip); |
8fa66bdc | 1135 | |
e7fb08b1 PZ |
1136 | if (hist_entry__add(thread, map, dso, sym, ip, level)) { |
1137 | fprintf(stderr, | |
55717314 IM |
1138 | "problem incrementing symbol count, skipping event\n"); |
1139 | goto broken_event; | |
ce7e4365 | 1140 | } |
8fa66bdc ACM |
1141 | } |
1142 | total++; | |
1143 | } else switch (event->header.type) { | |
1144 | case PERF_EVENT_MMAP: { | |
1145 | struct thread *thread = threads__findnew(event->mmap.pid); | |
1146 | struct map *map = map__new(&event->mmap); | |
1147 | ||
97b07b69 | 1148 | if (dump_trace) { |
f49515b1 IM |
1149 | fprintf(stderr, "%p [%p]: PERF_EVENT_MMAP: [%p(%p) @ %p]: %s\n", |
1150 | (void *)(offset + head), | |
1151 | (void *)(long)(event->header.size), | |
16f762a2 IM |
1152 | (void *)(long)event->mmap.start, |
1153 | (void *)(long)event->mmap.len, | |
1154 | (void *)(long)event->mmap.pgoff, | |
97b07b69 IM |
1155 | event->mmap.filename); |
1156 | } | |
ce7e4365 | 1157 | if (thread == NULL || map == NULL) { |
55717314 IM |
1158 | fprintf(stderr, "problem processing PERF_EVENT_MMAP, skipping event.\n"); |
1159 | goto broken_event; | |
ce7e4365 | 1160 | } |
8fa66bdc | 1161 | thread__insert_map(thread, map); |
97b07b69 | 1162 | total_mmap++; |
8fa66bdc ACM |
1163 | break; |
1164 | } | |
1165 | case PERF_EVENT_COMM: { | |
1166 | struct thread *thread = threads__findnew(event->comm.pid); | |
1167 | ||
97b07b69 | 1168 | if (dump_trace) { |
f49515b1 IM |
1169 | fprintf(stderr, "%p [%p]: PERF_EVENT_COMM: %s:%d\n", |
1170 | (void *)(offset + head), | |
1171 | (void *)(long)(event->header.size), | |
97b07b69 IM |
1172 | event->comm.comm, event->comm.pid); |
1173 | } | |
8fa66bdc | 1174 | if (thread == NULL || |
ce7e4365 | 1175 | thread__set_comm(thread, event->comm.comm)) { |
55717314 IM |
1176 | fprintf(stderr, "problem processing PERF_EVENT_COMM, skipping event.\n"); |
1177 | goto broken_event; | |
ce7e4365 | 1178 | } |
97b07b69 | 1179 | total_comm++; |
8fa66bdc ACM |
1180 | break; |
1181 | } | |
97b07b69 | 1182 | default: { |
6142f9ec | 1183 | broken_event: |
b7a16eac PZ |
1184 | if (dump_trace) |
1185 | fprintf(stderr, "%p [%p]: skipping unknown header type: %d\n", | |
1186 | (void *)(offset + head), | |
1187 | (void *)(long)(event->header.size), | |
1188 | event->header.type); | |
1189 | ||
3e706114 | 1190 | total_unknown++; |
6142f9ec PZ |
1191 | |
1192 | /* | |
1193 | * assume we lost track of the stream, check alignment, and | |
1194 | * increment a single u64 in the hope to catch on again 'soon'. | |
1195 | */ | |
1196 | ||
1197 | if (unlikely(head & 7)) | |
1198 | head &= ~7ULL; | |
1199 | ||
1200 | size = 8; | |
97b07b69 | 1201 | } |
8fa66bdc ACM |
1202 | } |
1203 | ||
6142f9ec | 1204 | head += size; |
f49515b1 | 1205 | |
8fa66bdc ACM |
1206 | if (offset + head < stat.st_size) |
1207 | goto more; | |
1208 | ||
1209 | rc = EXIT_SUCCESS; | |
8fa66bdc | 1210 | close(input); |
97b07b69 IM |
1211 | |
1212 | if (dump_trace) { | |
3e706114 IM |
1213 | fprintf(stderr, " IP events: %10ld\n", total); |
1214 | fprintf(stderr, " mmap events: %10ld\n", total_mmap); | |
1215 | fprintf(stderr, " comm events: %10ld\n", total_comm); | |
1216 | fprintf(stderr, " unknown events: %10ld\n", total_unknown); | |
97b07b69 IM |
1217 | |
1218 | return 0; | |
1219 | } | |
1220 | ||
e7fb08b1 | 1221 | if (verbose >= 2) |
16f762a2 | 1222 | dsos__fprintf(stdout); |
16f762a2 | 1223 | |
e7fb08b1 PZ |
1224 | output__resort(); |
1225 | output__fprintf(stdout, total); | |
8fa66bdc | 1226 | |
8fa66bdc ACM |
1227 | return rc; |
1228 | } | |
1229 | ||
53cb8bc2 IM |
1230 | static const char * const report_usage[] = { |
1231 | "perf report [<options>] <command>", | |
1232 | NULL | |
1233 | }; | |
1234 | ||
1235 | static const struct option options[] = { | |
1236 | OPT_STRING('i', "input", &input_name, "file", | |
1237 | "input file name"), | |
815e777f ACM |
1238 | OPT_BOOLEAN('v', "verbose", &verbose, |
1239 | "be more verbose (show symbol address, etc)"), | |
97b07b69 IM |
1240 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1241 | "dump raw trace in ASCII"), | |
450aaa2b | 1242 | OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), |
37f440cb | 1243 | OPT_STRING('s', "sort", &sort_order, "foo", "bar"), |
53cb8bc2 IM |
1244 | OPT_END() |
1245 | }; | |
1246 | ||
1247 | int cmd_report(int argc, const char **argv, const char *prefix) | |
1248 | { | |
1249 | elf_version(EV_CURRENT); | |
1250 | ||
1251 | page_size = getpagesize(); | |
1252 | ||
1253 | parse_options(argc, argv, options, report_usage, 0); | |
1254 | ||
1aa16738 PZ |
1255 | setup_sorting(); |
1256 | ||
a930d2c0 IM |
1257 | setup_pager(); |
1258 | ||
53cb8bc2 IM |
1259 | return __cmd_report(); |
1260 | } |