Commit | Line | Data |
---|---|---|
b8f46c5a XG |
1 | #define _FILE_OFFSET_BITS 64 |
2 | ||
94c744b6 ACM |
3 | #include <linux/kernel.h> |
4 | ||
ba21594c | 5 | #include <byteswap.h> |
94c744b6 ACM |
6 | #include <unistd.h> |
7 | #include <sys/types.h> | |
a41794cd | 8 | #include <sys/mman.h> |
94c744b6 ACM |
9 | |
10 | #include "session.h" | |
a328626b | 11 | #include "sort.h" |
94c744b6 ACM |
12 | #include "util.h" |
13 | ||
14 | static int perf_session__open(struct perf_session *self, bool force) | |
15 | { | |
16 | struct stat input_stat; | |
17 | ||
8dc58101 TZ |
18 | if (!strcmp(self->filename, "-")) { |
19 | self->fd_pipe = true; | |
20 | self->fd = STDIN_FILENO; | |
21 | ||
22 | if (perf_header__read(self, self->fd) < 0) | |
23 | pr_err("incompatible file format"); | |
24 | ||
25 | return 0; | |
26 | } | |
27 | ||
f887f301 | 28 | self->fd = open(self->filename, O_RDONLY); |
94c744b6 | 29 | if (self->fd < 0) { |
0f2c3de2 AI |
30 | int err = errno; |
31 | ||
32 | pr_err("failed to open %s: %s", self->filename, strerror(err)); | |
33 | if (err == ENOENT && !strcmp(self->filename, "perf.data")) | |
94c744b6 ACM |
34 | pr_err(" (try 'perf record' first)"); |
35 | pr_err("\n"); | |
36 | return -errno; | |
37 | } | |
38 | ||
39 | if (fstat(self->fd, &input_stat) < 0) | |
40 | goto out_close; | |
41 | ||
42 | if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) { | |
43 | pr_err("file %s not owned by current user or root\n", | |
44 | self->filename); | |
45 | goto out_close; | |
46 | } | |
47 | ||
48 | if (!input_stat.st_size) { | |
49 | pr_info("zero-sized file (%s), nothing to do!\n", | |
50 | self->filename); | |
51 | goto out_close; | |
52 | } | |
53 | ||
8dc58101 | 54 | if (perf_header__read(self, self->fd) < 0) { |
94c744b6 ACM |
55 | pr_err("incompatible file format"); |
56 | goto out_close; | |
57 | } | |
58 | ||
59 | self->size = input_stat.st_size; | |
60 | return 0; | |
61 | ||
62 | out_close: | |
63 | close(self->fd); | |
64 | self->fd = -1; | |
65 | return -1; | |
66 | } | |
67 | ||
9c90a61c | 68 | static void perf_session__id_header_size(struct perf_session *session) |
8dc58101 | 69 | { |
9c90a61c ACM |
70 | struct sample_data *data; |
71 | u64 sample_type = session->sample_type; | |
72 | u16 size = 0; | |
73 | ||
74 | if (!session->sample_id_all) | |
75 | goto out; | |
76 | ||
77 | if (sample_type & PERF_SAMPLE_TID) | |
78 | size += sizeof(data->tid) * 2; | |
79 | ||
80 | if (sample_type & PERF_SAMPLE_TIME) | |
81 | size += sizeof(data->time); | |
82 | ||
83 | if (sample_type & PERF_SAMPLE_ID) | |
84 | size += sizeof(data->id); | |
85 | ||
86 | if (sample_type & PERF_SAMPLE_STREAM_ID) | |
87 | size += sizeof(data->stream_id); | |
88 | ||
89 | if (sample_type & PERF_SAMPLE_CPU) | |
90 | size += sizeof(data->cpu) * 2; | |
91 | out: | |
92 | session->id_hdr_size = size; | |
93 | } | |
94 | ||
95 | void perf_session__set_sample_id_all(struct perf_session *session, bool value) | |
96 | { | |
97 | session->sample_id_all = value; | |
98 | perf_session__id_header_size(session); | |
8dc58101 TZ |
99 | } |
100 | ||
640c03ce ACM |
101 | void perf_session__set_sample_type(struct perf_session *session, u64 type) |
102 | { | |
103 | session->sample_type = type; | |
104 | } | |
105 | ||
9c90a61c ACM |
106 | void perf_session__update_sample_type(struct perf_session *self) |
107 | { | |
108 | self->sample_type = perf_header__sample_type(&self->header); | |
109 | self->sample_id_all = perf_header__sample_id_all(&self->header); | |
110 | perf_session__id_header_size(self); | |
111 | } | |
112 | ||
a1645ce1 ZY |
113 | int perf_session__create_kernel_maps(struct perf_session *self) |
114 | { | |
d118f8ba | 115 | int ret = machine__create_kernel_maps(&self->host_machine); |
a1645ce1 | 116 | |
a1645ce1 | 117 | if (ret >= 0) |
d118f8ba | 118 | ret = machines__create_guest_kernel_maps(&self->machines); |
a1645ce1 ZY |
119 | return ret; |
120 | } | |
121 | ||
076c6e45 ACM |
122 | static void perf_session__destroy_kernel_maps(struct perf_session *self) |
123 | { | |
124 | machine__destroy_kernel_maps(&self->host_machine); | |
125 | machines__destroy_guest_kernel_maps(&self->machines); | |
126 | } | |
127 | ||
454c407e | 128 | struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe) |
94c744b6 | 129 | { |
b3165f41 | 130 | size_t len = filename ? strlen(filename) + 1 : 0; |
94c744b6 ACM |
131 | struct perf_session *self = zalloc(sizeof(*self) + len); |
132 | ||
133 | if (self == NULL) | |
134 | goto out; | |
135 | ||
136 | if (perf_header__init(&self->header) < 0) | |
4aa65636 | 137 | goto out_free; |
94c744b6 ACM |
138 | |
139 | memcpy(self->filename, filename, len); | |
b3165f41 | 140 | self->threads = RB_ROOT; |
720a3aeb | 141 | INIT_LIST_HEAD(&self->dead_threads); |
1c02c4d2 | 142 | self->hists_tree = RB_ROOT; |
b3165f41 | 143 | self->last_match = NULL; |
55b44629 TG |
144 | /* |
145 | * On 64bit we can mmap the data file in one go. No need for tiny mmap | |
146 | * slices. On 32bit we use 32MB. | |
147 | */ | |
148 | #if BITS_PER_LONG == 64 | |
149 | self->mmap_window = ULLONG_MAX; | |
150 | #else | |
151 | self->mmap_window = 32 * 1024 * 1024ULL; | |
152 | #endif | |
23346f21 | 153 | self->machines = RB_ROOT; |
454c407e | 154 | self->repipe = repipe; |
a1225dec | 155 | INIT_LIST_HEAD(&self->ordered_samples.samples); |
020bb75a | 156 | INIT_LIST_HEAD(&self->ordered_samples.sample_cache); |
5c891f38 | 157 | INIT_LIST_HEAD(&self->ordered_samples.to_free); |
1f626bc3 | 158 | machine__init(&self->host_machine, "", HOST_KERNEL_ID); |
94c744b6 | 159 | |
64abebf7 ACM |
160 | if (mode == O_RDONLY) { |
161 | if (perf_session__open(self, force) < 0) | |
162 | goto out_delete; | |
163 | } else if (mode == O_WRONLY) { | |
164 | /* | |
165 | * In O_RDONLY mode this will be performed when reading the | |
166 | * kernel MMAP event, in event__process_mmap(). | |
167 | */ | |
168 | if (perf_session__create_kernel_maps(self) < 0) | |
169 | goto out_delete; | |
170 | } | |
d549c769 | 171 | |
8dc58101 | 172 | perf_session__update_sample_type(self); |
94c744b6 ACM |
173 | out: |
174 | return self; | |
4aa65636 | 175 | out_free: |
94c744b6 ACM |
176 | free(self); |
177 | return NULL; | |
4aa65636 ACM |
178 | out_delete: |
179 | perf_session__delete(self); | |
180 | return NULL; | |
94c744b6 ACM |
181 | } |
182 | ||
d65a458b ACM |
183 | static void perf_session__delete_dead_threads(struct perf_session *self) |
184 | { | |
185 | struct thread *n, *t; | |
186 | ||
187 | list_for_each_entry_safe(t, n, &self->dead_threads, node) { | |
188 | list_del(&t->node); | |
189 | thread__delete(t); | |
190 | } | |
191 | } | |
192 | ||
193 | static void perf_session__delete_threads(struct perf_session *self) | |
194 | { | |
195 | struct rb_node *nd = rb_first(&self->threads); | |
196 | ||
197 | while (nd) { | |
198 | struct thread *t = rb_entry(nd, struct thread, rb_node); | |
199 | ||
200 | rb_erase(&t->rb_node, &self->threads); | |
201 | nd = rb_next(nd); | |
202 | thread__delete(t); | |
203 | } | |
204 | } | |
205 | ||
94c744b6 ACM |
206 | void perf_session__delete(struct perf_session *self) |
207 | { | |
208 | perf_header__exit(&self->header); | |
076c6e45 | 209 | perf_session__destroy_kernel_maps(self); |
d65a458b ACM |
210 | perf_session__delete_dead_threads(self); |
211 | perf_session__delete_threads(self); | |
212 | machine__exit(&self->host_machine); | |
94c744b6 ACM |
213 | close(self->fd); |
214 | free(self); | |
215 | } | |
a328626b | 216 | |
720a3aeb ACM |
217 | void perf_session__remove_thread(struct perf_session *self, struct thread *th) |
218 | { | |
70597f21 | 219 | self->last_match = NULL; |
720a3aeb ACM |
220 | rb_erase(&th->rb_node, &self->threads); |
221 | /* | |
222 | * We may have references to this thread, for instance in some hist_entry | |
223 | * instances, so just move them to a separate list. | |
224 | */ | |
225 | list_add_tail(&th->node, &self->dead_threads); | |
226 | } | |
227 | ||
a328626b ACM |
228 | static bool symbol__match_parent_regex(struct symbol *sym) |
229 | { | |
230 | if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0)) | |
231 | return 1; | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
b3c9ac08 ACM |
236 | struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, |
237 | struct thread *thread, | |
238 | struct ip_callchain *chain, | |
239 | struct symbol **parent) | |
a328626b ACM |
240 | { |
241 | u8 cpumode = PERF_RECORD_MISC_USER; | |
a328626b | 242 | unsigned int i; |
ad5b217b | 243 | struct map_symbol *syms = calloc(chain->nr, sizeof(*syms)); |
a328626b | 244 | |
ad5b217b ACM |
245 | if (!syms) |
246 | return NULL; | |
a328626b ACM |
247 | |
248 | for (i = 0; i < chain->nr; i++) { | |
249 | u64 ip = chain->ips[i]; | |
250 | struct addr_location al; | |
251 | ||
252 | if (ip >= PERF_CONTEXT_MAX) { | |
253 | switch (ip) { | |
254 | case PERF_CONTEXT_HV: | |
255 | cpumode = PERF_RECORD_MISC_HYPERVISOR; break; | |
256 | case PERF_CONTEXT_KERNEL: | |
257 | cpumode = PERF_RECORD_MISC_KERNEL; break; | |
258 | case PERF_CONTEXT_USER: | |
259 | cpumode = PERF_RECORD_MISC_USER; break; | |
260 | default: | |
261 | break; | |
262 | } | |
263 | continue; | |
264 | } | |
265 | ||
a1645ce1 | 266 | al.filtered = false; |
a328626b | 267 | thread__find_addr_location(thread, self, cpumode, |
a1645ce1 | 268 | MAP__FUNCTION, thread->pid, ip, &al, NULL); |
a328626b ACM |
269 | if (al.sym != NULL) { |
270 | if (sort__has_parent && !*parent && | |
271 | symbol__match_parent_regex(al.sym)) | |
272 | *parent = al.sym; | |
d599db3f | 273 | if (!symbol_conf.use_callchain) |
a328626b | 274 | break; |
b3c9ac08 ACM |
275 | syms[i].map = al.map; |
276 | syms[i].sym = al.sym; | |
a328626b ACM |
277 | } |
278 | } | |
279 | ||
280 | return syms; | |
281 | } | |
06aae590 | 282 | |
640c03ce ACM |
283 | static int process_event_synth_stub(event_t *event __used, |
284 | struct perf_session *session __used) | |
285 | { | |
286 | dump_printf(": unhandled!\n"); | |
287 | return 0; | |
288 | } | |
289 | ||
06aae590 | 290 | static int process_event_stub(event_t *event __used, |
640c03ce | 291 | struct sample_data *sample __used, |
06aae590 ACM |
292 | struct perf_session *session __used) |
293 | { | |
294 | dump_printf(": unhandled!\n"); | |
295 | return 0; | |
296 | } | |
297 | ||
d6b17beb FW |
298 | static int process_finished_round_stub(event_t *event __used, |
299 | struct perf_session *session __used, | |
300 | struct perf_event_ops *ops __used) | |
301 | { | |
302 | dump_printf(": unhandled!\n"); | |
303 | return 0; | |
304 | } | |
305 | ||
306 | static int process_finished_round(event_t *event, | |
307 | struct perf_session *session, | |
308 | struct perf_event_ops *ops); | |
309 | ||
06aae590 ACM |
310 | static void perf_event_ops__fill_defaults(struct perf_event_ops *handler) |
311 | { | |
55aa640f ACM |
312 | if (handler->sample == NULL) |
313 | handler->sample = process_event_stub; | |
314 | if (handler->mmap == NULL) | |
315 | handler->mmap = process_event_stub; | |
316 | if (handler->comm == NULL) | |
317 | handler->comm = process_event_stub; | |
318 | if (handler->fork == NULL) | |
319 | handler->fork = process_event_stub; | |
320 | if (handler->exit == NULL) | |
321 | handler->exit = process_event_stub; | |
322 | if (handler->lost == NULL) | |
37982ba0 | 323 | handler->lost = event__process_lost; |
55aa640f ACM |
324 | if (handler->read == NULL) |
325 | handler->read = process_event_stub; | |
326 | if (handler->throttle == NULL) | |
327 | handler->throttle = process_event_stub; | |
328 | if (handler->unthrottle == NULL) | |
329 | handler->unthrottle = process_event_stub; | |
2c46dbb5 | 330 | if (handler->attr == NULL) |
640c03ce | 331 | handler->attr = process_event_synth_stub; |
cd19a035 | 332 | if (handler->event_type == NULL) |
640c03ce | 333 | handler->event_type = process_event_synth_stub; |
9215545e | 334 | if (handler->tracing_data == NULL) |
640c03ce | 335 | handler->tracing_data = process_event_synth_stub; |
c7929e47 | 336 | if (handler->build_id == NULL) |
640c03ce | 337 | handler->build_id = process_event_synth_stub; |
d6b17beb FW |
338 | if (handler->finished_round == NULL) { |
339 | if (handler->ordered_samples) | |
340 | handler->finished_round = process_finished_round; | |
341 | else | |
342 | handler->finished_round = process_finished_round_stub; | |
343 | } | |
06aae590 ACM |
344 | } |
345 | ||
ba21594c ACM |
346 | void mem_bswap_64(void *src, int byte_size) |
347 | { | |
348 | u64 *m = src; | |
349 | ||
350 | while (byte_size > 0) { | |
351 | *m = bswap_64(*m); | |
352 | byte_size -= sizeof(u64); | |
353 | ++m; | |
354 | } | |
355 | } | |
356 | ||
357 | static void event__all64_swap(event_t *self) | |
358 | { | |
359 | struct perf_event_header *hdr = &self->header; | |
360 | mem_bswap_64(hdr + 1, self->header.size - sizeof(*hdr)); | |
361 | } | |
362 | ||
363 | static void event__comm_swap(event_t *self) | |
364 | { | |
365 | self->comm.pid = bswap_32(self->comm.pid); | |
366 | self->comm.tid = bswap_32(self->comm.tid); | |
367 | } | |
368 | ||
369 | static void event__mmap_swap(event_t *self) | |
370 | { | |
371 | self->mmap.pid = bswap_32(self->mmap.pid); | |
372 | self->mmap.tid = bswap_32(self->mmap.tid); | |
373 | self->mmap.start = bswap_64(self->mmap.start); | |
374 | self->mmap.len = bswap_64(self->mmap.len); | |
375 | self->mmap.pgoff = bswap_64(self->mmap.pgoff); | |
376 | } | |
377 | ||
378 | static void event__task_swap(event_t *self) | |
379 | { | |
380 | self->fork.pid = bswap_32(self->fork.pid); | |
381 | self->fork.tid = bswap_32(self->fork.tid); | |
382 | self->fork.ppid = bswap_32(self->fork.ppid); | |
383 | self->fork.ptid = bswap_32(self->fork.ptid); | |
384 | self->fork.time = bswap_64(self->fork.time); | |
385 | } | |
386 | ||
387 | static void event__read_swap(event_t *self) | |
388 | { | |
389 | self->read.pid = bswap_32(self->read.pid); | |
390 | self->read.tid = bswap_32(self->read.tid); | |
391 | self->read.value = bswap_64(self->read.value); | |
392 | self->read.time_enabled = bswap_64(self->read.time_enabled); | |
393 | self->read.time_running = bswap_64(self->read.time_running); | |
394 | self->read.id = bswap_64(self->read.id); | |
395 | } | |
396 | ||
2c46dbb5 TZ |
397 | static void event__attr_swap(event_t *self) |
398 | { | |
399 | size_t size; | |
400 | ||
401 | self->attr.attr.type = bswap_32(self->attr.attr.type); | |
402 | self->attr.attr.size = bswap_32(self->attr.attr.size); | |
403 | self->attr.attr.config = bswap_64(self->attr.attr.config); | |
404 | self->attr.attr.sample_period = bswap_64(self->attr.attr.sample_period); | |
405 | self->attr.attr.sample_type = bswap_64(self->attr.attr.sample_type); | |
406 | self->attr.attr.read_format = bswap_64(self->attr.attr.read_format); | |
407 | self->attr.attr.wakeup_events = bswap_32(self->attr.attr.wakeup_events); | |
408 | self->attr.attr.bp_type = bswap_32(self->attr.attr.bp_type); | |
409 | self->attr.attr.bp_addr = bswap_64(self->attr.attr.bp_addr); | |
410 | self->attr.attr.bp_len = bswap_64(self->attr.attr.bp_len); | |
411 | ||
412 | size = self->header.size; | |
413 | size -= (void *)&self->attr.id - (void *)self; | |
414 | mem_bswap_64(self->attr.id, size); | |
415 | } | |
416 | ||
cd19a035 TZ |
417 | static void event__event_type_swap(event_t *self) |
418 | { | |
419 | self->event_type.event_type.event_id = | |
420 | bswap_64(self->event_type.event_type.event_id); | |
421 | } | |
422 | ||
9215545e TZ |
423 | static void event__tracing_data_swap(event_t *self) |
424 | { | |
425 | self->tracing_data.size = bswap_32(self->tracing_data.size); | |
426 | } | |
427 | ||
ba21594c ACM |
428 | typedef void (*event__swap_op)(event_t *self); |
429 | ||
430 | static event__swap_op event__swap_ops[] = { | |
431 | [PERF_RECORD_MMAP] = event__mmap_swap, | |
432 | [PERF_RECORD_COMM] = event__comm_swap, | |
433 | [PERF_RECORD_FORK] = event__task_swap, | |
434 | [PERF_RECORD_EXIT] = event__task_swap, | |
435 | [PERF_RECORD_LOST] = event__all64_swap, | |
436 | [PERF_RECORD_READ] = event__read_swap, | |
437 | [PERF_RECORD_SAMPLE] = event__all64_swap, | |
2c46dbb5 | 438 | [PERF_RECORD_HEADER_ATTR] = event__attr_swap, |
cd19a035 | 439 | [PERF_RECORD_HEADER_EVENT_TYPE] = event__event_type_swap, |
9215545e | 440 | [PERF_RECORD_HEADER_TRACING_DATA] = event__tracing_data_swap, |
c7929e47 | 441 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, |
8dc58101 | 442 | [PERF_RECORD_HEADER_MAX] = NULL, |
ba21594c ACM |
443 | }; |
444 | ||
c61e52ee FW |
445 | struct sample_queue { |
446 | u64 timestamp; | |
28990f75 | 447 | event_t *event; |
c61e52ee FW |
448 | struct list_head list; |
449 | }; | |
450 | ||
020bb75a TG |
451 | static void perf_session_free_sample_buffers(struct perf_session *session) |
452 | { | |
453 | struct ordered_samples *os = &session->ordered_samples; | |
454 | ||
5c891f38 | 455 | while (!list_empty(&os->to_free)) { |
020bb75a TG |
456 | struct sample_queue *sq; |
457 | ||
5c891f38 | 458 | sq = list_entry(os->to_free.next, struct sample_queue, list); |
020bb75a TG |
459 | list_del(&sq->list); |
460 | free(sq); | |
461 | } | |
462 | } | |
463 | ||
c61e52ee FW |
464 | static void flush_sample_queue(struct perf_session *s, |
465 | struct perf_event_ops *ops) | |
466 | { | |
a1225dec TG |
467 | struct ordered_samples *os = &s->ordered_samples; |
468 | struct list_head *head = &os->samples; | |
c61e52ee | 469 | struct sample_queue *tmp, *iter; |
640c03ce | 470 | struct sample_data sample; |
a1225dec TG |
471 | u64 limit = os->next_flush; |
472 | u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL; | |
c61e52ee | 473 | |
d6b17beb | 474 | if (!ops->ordered_samples || !limit) |
c61e52ee FW |
475 | return; |
476 | ||
477 | list_for_each_entry_safe(iter, tmp, head, list) { | |
478 | if (iter->timestamp > limit) | |
a1225dec | 479 | break; |
c61e52ee | 480 | |
9c90a61c | 481 | event__parse_sample(iter->event, s, &sample); |
640c03ce | 482 | ops->sample(iter->event, &sample, s); |
c61e52ee | 483 | |
a1225dec | 484 | os->last_flush = iter->timestamp; |
c61e52ee | 485 | list_del(&iter->list); |
020bb75a | 486 | list_add(&iter->list, &os->sample_cache); |
c61e52ee | 487 | } |
a1225dec TG |
488 | |
489 | if (list_empty(head)) { | |
490 | os->last_sample = NULL; | |
491 | } else if (last_ts <= limit) { | |
492 | os->last_sample = | |
493 | list_entry(head->prev, struct sample_queue, list); | |
494 | } | |
c61e52ee FW |
495 | } |
496 | ||
d6b17beb FW |
497 | /* |
498 | * When perf record finishes a pass on every buffers, it records this pseudo | |
499 | * event. | |
500 | * We record the max timestamp t found in the pass n. | |
501 | * Assuming these timestamps are monotonic across cpus, we know that if | |
502 | * a buffer still has events with timestamps below t, they will be all | |
503 | * available and then read in the pass n + 1. | |
504 | * Hence when we start to read the pass n + 2, we can safely flush every | |
505 | * events with timestamps below t. | |
506 | * | |
507 | * ============ PASS n ================= | |
508 | * CPU 0 | CPU 1 | |
509 | * | | |
510 | * cnt1 timestamps | cnt2 timestamps | |
511 | * 1 | 2 | |
512 | * 2 | 3 | |
513 | * - | 4 <--- max recorded | |
514 | * | |
515 | * ============ PASS n + 1 ============== | |
516 | * CPU 0 | CPU 1 | |
517 | * | | |
518 | * cnt1 timestamps | cnt2 timestamps | |
519 | * 3 | 5 | |
520 | * 4 | 6 | |
521 | * 5 | 7 <---- max recorded | |
522 | * | |
523 | * Flush every events below timestamp 4 | |
524 | * | |
525 | * ============ PASS n + 2 ============== | |
526 | * CPU 0 | CPU 1 | |
527 | * | | |
528 | * cnt1 timestamps | cnt2 timestamps | |
529 | * 6 | 8 | |
530 | * 7 | 9 | |
531 | * - | 10 | |
532 | * | |
533 | * Flush every events below timestamp 7 | |
534 | * etc... | |
535 | */ | |
536 | static int process_finished_round(event_t *event __used, | |
537 | struct perf_session *session, | |
538 | struct perf_event_ops *ops) | |
539 | { | |
540 | flush_sample_queue(session, ops); | |
541 | session->ordered_samples.next_flush = session->ordered_samples.max_timestamp; | |
542 | ||
543 | return 0; | |
544 | } | |
545 | ||
c61e52ee FW |
546 | /* The queue is ordered by time */ |
547 | static void __queue_sample_event(struct sample_queue *new, | |
548 | struct perf_session *s) | |
549 | { | |
a1225dec TG |
550 | struct ordered_samples *os = &s->ordered_samples; |
551 | struct sample_queue *sample = os->last_sample; | |
552 | u64 timestamp = new->timestamp; | |
553 | struct list_head *p; | |
c61e52ee | 554 | |
a1225dec | 555 | os->last_sample = new; |
c61e52ee | 556 | |
a1225dec TG |
557 | if (!sample) { |
558 | list_add(&new->list, &os->samples); | |
559 | os->max_timestamp = timestamp; | |
c61e52ee FW |
560 | return; |
561 | } | |
562 | ||
563 | /* | |
a1225dec TG |
564 | * last_sample might point to some random place in the list as it's |
565 | * the last queued event. We expect that the new event is close to | |
566 | * this. | |
c61e52ee | 567 | */ |
a1225dec TG |
568 | if (sample->timestamp <= timestamp) { |
569 | while (sample->timestamp <= timestamp) { | |
570 | p = sample->list.next; | |
571 | if (p == &os->samples) { | |
572 | list_add_tail(&new->list, &os->samples); | |
573 | os->max_timestamp = timestamp; | |
574 | return; | |
575 | } | |
576 | sample = list_entry(p, struct sample_queue, list); | |
577 | } | |
578 | list_add_tail(&new->list, &sample->list); | |
579 | } else { | |
580 | while (sample->timestamp > timestamp) { | |
581 | p = sample->list.prev; | |
582 | if (p == &os->samples) { | |
583 | list_add(&new->list, &os->samples); | |
584 | return; | |
585 | } | |
586 | sample = list_entry(p, struct sample_queue, list); | |
587 | } | |
588 | list_add(&new->list, &sample->list); | |
589 | } | |
c61e52ee FW |
590 | } |
591 | ||
5c891f38 TG |
592 | #define MAX_SAMPLE_BUFFER (64 * 1024 / sizeof(struct sample_queue)) |
593 | ||
c61e52ee | 594 | static int queue_sample_event(event_t *event, struct sample_data *data, |
d6b17beb | 595 | struct perf_session *s) |
c61e52ee | 596 | { |
5c891f38 TG |
597 | struct ordered_samples *os = &s->ordered_samples; |
598 | struct list_head *sc = &os->sample_cache; | |
c61e52ee FW |
599 | u64 timestamp = data->time; |
600 | struct sample_queue *new; | |
c61e52ee | 601 | |
c61e52ee FW |
602 | if (timestamp < s->ordered_samples.last_flush) { |
603 | printf("Warning: Timestamp below last timeslice flush\n"); | |
604 | return -EINVAL; | |
605 | } | |
606 | ||
020bb75a TG |
607 | if (!list_empty(sc)) { |
608 | new = list_entry(sc->next, struct sample_queue, list); | |
609 | list_del(&new->list); | |
5c891f38 TG |
610 | } else if (os->sample_buffer) { |
611 | new = os->sample_buffer + os->sample_buffer_idx; | |
612 | if (++os->sample_buffer_idx == MAX_SAMPLE_BUFFER) | |
613 | os->sample_buffer = NULL; | |
020bb75a | 614 | } else { |
5c891f38 TG |
615 | os->sample_buffer = malloc(MAX_SAMPLE_BUFFER * sizeof(*new)); |
616 | if (!os->sample_buffer) | |
020bb75a | 617 | return -ENOMEM; |
5c891f38 TG |
618 | list_add(&os->sample_buffer->list, &os->to_free); |
619 | os->sample_buffer_idx = 2; | |
620 | new = os->sample_buffer + 1; | |
020bb75a | 621 | } |
c61e52ee FW |
622 | |
623 | new->timestamp = timestamp; | |
fe174207 | 624 | new->event = event; |
c61e52ee FW |
625 | |
626 | __queue_sample_event(new, s); | |
c61e52ee FW |
627 | |
628 | return 0; | |
629 | } | |
630 | ||
640c03ce ACM |
631 | static int perf_session__process_sample(event_t *event, |
632 | struct sample_data *sample, | |
633 | struct perf_session *s, | |
c61e52ee FW |
634 | struct perf_event_ops *ops) |
635 | { | |
c61e52ee | 636 | if (!ops->ordered_samples) |
640c03ce ACM |
637 | return ops->sample(event, sample, s); |
638 | ||
639 | queue_sample_event(event, sample, s); | |
640 | return 0; | |
641 | } | |
c61e52ee | 642 | |
640c03ce ACM |
643 | static void callchain__dump(struct sample_data *sample) |
644 | { | |
645 | unsigned int i; | |
c61e52ee | 646 | |
640c03ce ACM |
647 | if (!dump_trace) |
648 | return; | |
c61e52ee | 649 | |
640c03ce ACM |
650 | printf("... chain: nr:%Lu\n", sample->callchain->nr); |
651 | ||
652 | for (i = 0; i < sample->callchain->nr; i++) | |
653 | printf("..... %2d: %016Lx\n", i, sample->callchain->ips[i]); | |
c61e52ee FW |
654 | } |
655 | ||
9c90a61c ACM |
656 | static void perf_session__print_tstamp(struct perf_session *session, |
657 | event_t *event, | |
658 | struct sample_data *sample) | |
659 | { | |
660 | if (event->header.type != PERF_RECORD_SAMPLE && | |
661 | !session->sample_id_all) { | |
662 | fputs("-1 -1 ", stdout); | |
663 | return; | |
664 | } | |
665 | ||
666 | if ((session->sample_type & PERF_SAMPLE_CPU)) | |
667 | printf("%u ", sample->cpu); | |
668 | ||
669 | if (session->sample_type & PERF_SAMPLE_TIME) | |
670 | printf("%Lu ", sample->time); | |
671 | } | |
672 | ||
06aae590 ACM |
673 | static int perf_session__process_event(struct perf_session *self, |
674 | event_t *event, | |
675 | struct perf_event_ops *ops, | |
0331ee0c | 676 | u64 file_offset) |
06aae590 | 677 | { |
640c03ce ACM |
678 | struct sample_data sample; |
679 | ||
06aae590 ACM |
680 | trace_event(event); |
681 | ||
640c03ce ACM |
682 | if (self->header.needs_swap && event__swap_ops[event->header.type]) |
683 | event__swap_ops[event->header.type](event); | |
684 | ||
9c90a61c ACM |
685 | if (event->header.type >= PERF_RECORD_MMAP && |
686 | event->header.type <= PERF_RECORD_SAMPLE) { | |
687 | event__parse_sample(event, self, &sample); | |
688 | if (dump_trace) | |
689 | perf_session__print_tstamp(self, event, &sample); | |
690 | } | |
640c03ce | 691 | |
8dc58101 | 692 | if (event->header.type < PERF_RECORD_HEADER_MAX) { |
ba21594c | 693 | dump_printf("%#Lx [%#x]: PERF_RECORD_%s", |
0331ee0c | 694 | file_offset, event->header.size, |
06aae590 | 695 | event__name[event->header.type]); |
cee75ac7 | 696 | hists__inc_nr_events(&self->hists, event->header.type); |
06aae590 ACM |
697 | } |
698 | ||
699 | switch (event->header.type) { | |
700 | case PERF_RECORD_SAMPLE: | |
640c03ce ACM |
701 | dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc, |
702 | sample.pid, sample.tid, sample.ip, sample.period); | |
703 | ||
704 | if (self->sample_type & PERF_SAMPLE_CALLCHAIN) { | |
705 | if (!ip_callchain__valid(sample.callchain, event)) { | |
706 | pr_debug("call-chain problem with event, " | |
707 | "skipping it.\n"); | |
708 | ++self->hists.stats.nr_invalid_chains; | |
709 | self->hists.stats.total_invalid_chains += sample.period; | |
710 | return 0; | |
711 | } | |
712 | ||
713 | callchain__dump(&sample); | |
714 | } | |
715 | ||
716 | return perf_session__process_sample(event, &sample, self, ops); | |
717 | ||
06aae590 | 718 | case PERF_RECORD_MMAP: |
640c03ce | 719 | return ops->mmap(event, &sample, self); |
06aae590 | 720 | case PERF_RECORD_COMM: |
640c03ce | 721 | return ops->comm(event, &sample, self); |
06aae590 | 722 | case PERF_RECORD_FORK: |
640c03ce | 723 | return ops->fork(event, &sample, self); |
06aae590 | 724 | case PERF_RECORD_EXIT: |
640c03ce | 725 | return ops->exit(event, &sample, self); |
06aae590 | 726 | case PERF_RECORD_LOST: |
640c03ce | 727 | return ops->lost(event, &sample, self); |
06aae590 | 728 | case PERF_RECORD_READ: |
640c03ce | 729 | return ops->read(event, &sample, self); |
06aae590 | 730 | case PERF_RECORD_THROTTLE: |
640c03ce | 731 | return ops->throttle(event, &sample, self); |
06aae590 | 732 | case PERF_RECORD_UNTHROTTLE: |
640c03ce | 733 | return ops->unthrottle(event, &sample, self); |
2c46dbb5 TZ |
734 | case PERF_RECORD_HEADER_ATTR: |
735 | return ops->attr(event, self); | |
cd19a035 TZ |
736 | case PERF_RECORD_HEADER_EVENT_TYPE: |
737 | return ops->event_type(event, self); | |
9215545e TZ |
738 | case PERF_RECORD_HEADER_TRACING_DATA: |
739 | /* setup for reading amidst mmap */ | |
0331ee0c | 740 | lseek(self->fd, file_offset, SEEK_SET); |
9215545e | 741 | return ops->tracing_data(event, self); |
c7929e47 TZ |
742 | case PERF_RECORD_HEADER_BUILD_ID: |
743 | return ops->build_id(event, self); | |
d6b17beb FW |
744 | case PERF_RECORD_FINISHED_ROUND: |
745 | return ops->finished_round(event, self, ops); | |
06aae590 | 746 | default: |
c8446b9b | 747 | ++self->hists.stats.nr_unknown_events; |
06aae590 ACM |
748 | return -1; |
749 | } | |
750 | } | |
751 | ||
ba21594c ACM |
752 | void perf_event_header__bswap(struct perf_event_header *self) |
753 | { | |
754 | self->type = bswap_32(self->type); | |
755 | self->misc = bswap_16(self->misc); | |
756 | self->size = bswap_16(self->size); | |
757 | } | |
758 | ||
06aae590 ACM |
759 | static struct thread *perf_session__register_idle_thread(struct perf_session *self) |
760 | { | |
761 | struct thread *thread = perf_session__findnew(self, 0); | |
762 | ||
763 | if (thread == NULL || thread__set_comm(thread, "swapper")) { | |
764 | pr_err("problem inserting idle task.\n"); | |
765 | thread = NULL; | |
766 | } | |
767 | ||
768 | return thread; | |
769 | } | |
770 | ||
8dc58101 TZ |
771 | int do_read(int fd, void *buf, size_t size) |
772 | { | |
773 | void *buf_start = buf; | |
774 | ||
775 | while (size) { | |
776 | int ret = read(fd, buf, size); | |
777 | ||
778 | if (ret <= 0) | |
779 | return ret; | |
780 | ||
781 | size -= ret; | |
782 | buf += ret; | |
783 | } | |
784 | ||
785 | return buf - buf_start; | |
786 | } | |
787 | ||
788 | #define session_done() (*(volatile int *)(&session_done)) | |
789 | volatile int session_done; | |
790 | ||
791 | static int __perf_session__process_pipe_events(struct perf_session *self, | |
792 | struct perf_event_ops *ops) | |
793 | { | |
794 | event_t event; | |
795 | uint32_t size; | |
796 | int skip = 0; | |
797 | u64 head; | |
798 | int err; | |
799 | void *p; | |
800 | ||
801 | perf_event_ops__fill_defaults(ops); | |
802 | ||
803 | head = 0; | |
804 | more: | |
805 | err = do_read(self->fd, &event, sizeof(struct perf_event_header)); | |
806 | if (err <= 0) { | |
807 | if (err == 0) | |
808 | goto done; | |
809 | ||
810 | pr_err("failed to read event header\n"); | |
811 | goto out_err; | |
812 | } | |
813 | ||
814 | if (self->header.needs_swap) | |
815 | perf_event_header__bswap(&event.header); | |
816 | ||
817 | size = event.header.size; | |
818 | if (size == 0) | |
819 | size = 8; | |
820 | ||
821 | p = &event; | |
822 | p += sizeof(struct perf_event_header); | |
823 | ||
794e43b5 TZ |
824 | if (size - sizeof(struct perf_event_header)) { |
825 | err = do_read(self->fd, p, | |
826 | size - sizeof(struct perf_event_header)); | |
827 | if (err <= 0) { | |
828 | if (err == 0) { | |
829 | pr_err("unexpected end of event stream\n"); | |
830 | goto done; | |
831 | } | |
8dc58101 | 832 | |
794e43b5 TZ |
833 | pr_err("failed to read event data\n"); |
834 | goto out_err; | |
835 | } | |
8dc58101 TZ |
836 | } |
837 | ||
838 | if (size == 0 || | |
0331ee0c | 839 | (skip = perf_session__process_event(self, &event, ops, head)) < 0) { |
8dc58101 TZ |
840 | dump_printf("%#Lx [%#x]: skipping unknown header type: %d\n", |
841 | head, event.header.size, event.header.type); | |
842 | /* | |
843 | * assume we lost track of the stream, check alignment, and | |
844 | * increment a single u64 in the hope to catch on again 'soon'. | |
845 | */ | |
846 | if (unlikely(head & 7)) | |
847 | head &= ~7ULL; | |
848 | ||
849 | size = 8; | |
850 | } | |
851 | ||
852 | head += size; | |
853 | ||
854 | dump_printf("\n%#Lx [%#x]: event: %d\n", | |
855 | head, event.header.size, event.header.type); | |
856 | ||
857 | if (skip > 0) | |
858 | head += skip; | |
859 | ||
860 | if (!session_done()) | |
861 | goto more; | |
862 | done: | |
863 | err = 0; | |
864 | out_err: | |
020bb75a | 865 | perf_session_free_sample_buffers(self); |
8dc58101 TZ |
866 | return err; |
867 | } | |
868 | ||
0331ee0c | 869 | int __perf_session__process_events(struct perf_session *session, |
6122e4e4 ACM |
870 | u64 data_offset, u64 data_size, |
871 | u64 file_size, struct perf_event_ops *ops) | |
06aae590 | 872 | { |
55b44629 | 873 | u64 head, page_offset, file_offset, file_pos, progress_next; |
fe174207 | 874 | int err, mmap_prot, mmap_flags, map_idx = 0; |
0331ee0c | 875 | struct ui_progress *progress; |
55b44629 | 876 | size_t page_size, mmap_size; |
fe174207 | 877 | char *buf, *mmaps[8]; |
06aae590 ACM |
878 | event_t *event; |
879 | uint32_t size; | |
0331ee0c | 880 | |
06aae590 ACM |
881 | perf_event_ops__fill_defaults(ops); |
882 | ||
1b75962e | 883 | page_size = sysconf(_SC_PAGESIZE); |
06aae590 | 884 | |
0331ee0c TG |
885 | page_offset = page_size * (data_offset / page_size); |
886 | file_offset = page_offset; | |
887 | head = data_offset - page_offset; | |
06aae590 | 888 | |
d6513281 TG |
889 | if (data_offset + data_size < file_size) |
890 | file_size = data_offset + data_size; | |
891 | ||
55b44629 TG |
892 | progress_next = file_size / 16; |
893 | progress = ui_progress__new("Processing events...", file_size); | |
894 | if (progress == NULL) | |
895 | return -1; | |
896 | ||
897 | mmap_size = session->mmap_window; | |
898 | if (mmap_size > file_size) | |
899 | mmap_size = file_size; | |
900 | ||
fe174207 TG |
901 | memset(mmaps, 0, sizeof(mmaps)); |
902 | ||
ba21594c ACM |
903 | mmap_prot = PROT_READ; |
904 | mmap_flags = MAP_SHARED; | |
905 | ||
0331ee0c | 906 | if (session->header.needs_swap) { |
ba21594c ACM |
907 | mmap_prot |= PROT_WRITE; |
908 | mmap_flags = MAP_PRIVATE; | |
909 | } | |
06aae590 | 910 | remap: |
55b44629 TG |
911 | buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, session->fd, |
912 | file_offset); | |
06aae590 ACM |
913 | if (buf == MAP_FAILED) { |
914 | pr_err("failed to mmap file\n"); | |
915 | err = -errno; | |
916 | goto out_err; | |
917 | } | |
fe174207 TG |
918 | mmaps[map_idx] = buf; |
919 | map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1); | |
d6513281 | 920 | file_pos = file_offset + head; |
06aae590 ACM |
921 | |
922 | more: | |
923 | event = (event_t *)(buf + head); | |
924 | ||
0331ee0c | 925 | if (session->header.needs_swap) |
ba21594c | 926 | perf_event_header__bswap(&event->header); |
06aae590 ACM |
927 | size = event->header.size; |
928 | if (size == 0) | |
929 | size = 8; | |
930 | ||
55b44629 | 931 | if (head + event->header.size >= mmap_size) { |
fe174207 TG |
932 | if (mmaps[map_idx]) { |
933 | munmap(mmaps[map_idx], mmap_size); | |
934 | mmaps[map_idx] = NULL; | |
935 | } | |
06aae590 | 936 | |
0331ee0c TG |
937 | page_offset = page_size * (head / page_size); |
938 | file_offset += page_offset; | |
939 | head -= page_offset; | |
06aae590 ACM |
940 | goto remap; |
941 | } | |
942 | ||
943 | size = event->header.size; | |
944 | ||
ba21594c | 945 | dump_printf("\n%#Lx [%#x]: event: %d\n", |
d6513281 | 946 | file_pos, event->header.size, event->header.type); |
06aae590 | 947 | |
d6513281 TG |
948 | if (size == 0 || |
949 | perf_session__process_event(session, event, ops, file_pos) < 0) { | |
ba21594c | 950 | dump_printf("%#Lx [%#x]: skipping unknown header type: %d\n", |
0331ee0c | 951 | file_offset + head, event->header.size, |
06aae590 ACM |
952 | event->header.type); |
953 | /* | |
954 | * assume we lost track of the stream, check alignment, and | |
955 | * increment a single u64 in the hope to catch on again 'soon'. | |
956 | */ | |
957 | if (unlikely(head & 7)) | |
958 | head &= ~7ULL; | |
959 | ||
960 | size = 8; | |
961 | } | |
962 | ||
963 | head += size; | |
d6513281 | 964 | file_pos += size; |
06aae590 | 965 | |
55b44629 TG |
966 | if (file_pos >= progress_next) { |
967 | progress_next += file_size / 16; | |
968 | ui_progress__update(progress, file_pos); | |
969 | } | |
970 | ||
d6513281 | 971 | if (file_pos < file_size) |
06aae590 | 972 | goto more; |
d6513281 | 973 | |
06aae590 | 974 | err = 0; |
c61e52ee | 975 | /* do the final flush for ordered samples */ |
0331ee0c TG |
976 | session->ordered_samples.next_flush = ULLONG_MAX; |
977 | flush_sample_queue(session, ops); | |
06aae590 | 978 | out_err: |
5f4d3f88 | 979 | ui_progress__delete(progress); |
068ffaa8 ACM |
980 | |
981 | if (ops->lost == event__process_lost && | |
0331ee0c | 982 | session->hists.stats.total_lost != 0) { |
068ffaa8 ACM |
983 | ui__warning("Processed %Lu events and LOST %Lu!\n\n" |
984 | "Check IO/CPU overload!\n\n", | |
0331ee0c TG |
985 | session->hists.stats.total_period, |
986 | session->hists.stats.total_lost); | |
068ffaa8 | 987 | } |
0331ee0c TG |
988 | |
989 | if (session->hists.stats.nr_unknown_events != 0) { | |
068ffaa8 ACM |
990 | ui__warning("Found %u unknown events!\n\n" |
991 | "Is this an older tool processing a perf.data " | |
992 | "file generated by a more recent tool?\n\n" | |
993 | "If that is not the case, consider " | |
994 | "reporting to linux-kernel@vger.kernel.org.\n\n", | |
0331ee0c | 995 | session->hists.stats.nr_unknown_events); |
068ffaa8 | 996 | } |
0331ee0c | 997 | |
640c03ce ACM |
998 | if (session->hists.stats.nr_invalid_chains != 0) { |
999 | ui__warning("Found invalid callchains!\n\n" | |
1000 | "%u out of %u events were discarded for this reason.\n\n" | |
1001 | "Consider reporting to linux-kernel@vger.kernel.org.\n\n", | |
1002 | session->hists.stats.nr_invalid_chains, | |
1003 | session->hists.stats.nr_events[PERF_RECORD_SAMPLE]); | |
1004 | } | |
1005 | ||
020bb75a | 1006 | perf_session_free_sample_buffers(session); |
06aae590 ACM |
1007 | return err; |
1008 | } | |
27295592 | 1009 | |
6122e4e4 ACM |
1010 | int perf_session__process_events(struct perf_session *self, |
1011 | struct perf_event_ops *ops) | |
1012 | { | |
1013 | int err; | |
1014 | ||
1015 | if (perf_session__register_idle_thread(self) == NULL) | |
1016 | return -ENOMEM; | |
1017 | ||
8dc58101 TZ |
1018 | if (!self->fd_pipe) |
1019 | err = __perf_session__process_events(self, | |
1020 | self->header.data_offset, | |
1021 | self->header.data_size, | |
1022 | self->size, ops); | |
1023 | else | |
1024 | err = __perf_session__process_pipe_events(self, ops); | |
88ca895d | 1025 | |
6122e4e4 ACM |
1026 | return err; |
1027 | } | |
1028 | ||
d549c769 | 1029 | bool perf_session__has_traces(struct perf_session *self, const char *msg) |
27295592 ACM |
1030 | { |
1031 | if (!(self->sample_type & PERF_SAMPLE_RAW)) { | |
d549c769 ACM |
1032 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
1033 | return false; | |
27295592 ACM |
1034 | } |
1035 | ||
d549c769 | 1036 | return true; |
27295592 | 1037 | } |
56b03f3c | 1038 | |
a1645ce1 | 1039 | int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, |
56b03f3c ACM |
1040 | const char *symbol_name, |
1041 | u64 addr) | |
1042 | { | |
1043 | char *bracket; | |
9de89fe7 | 1044 | enum map_type i; |
a1645ce1 ZY |
1045 | struct ref_reloc_sym *ref; |
1046 | ||
1047 | ref = zalloc(sizeof(struct ref_reloc_sym)); | |
1048 | if (ref == NULL) | |
1049 | return -ENOMEM; | |
56b03f3c | 1050 | |
a1645ce1 ZY |
1051 | ref->name = strdup(symbol_name); |
1052 | if (ref->name == NULL) { | |
1053 | free(ref); | |
56b03f3c | 1054 | return -ENOMEM; |
a1645ce1 | 1055 | } |
56b03f3c | 1056 | |
a1645ce1 | 1057 | bracket = strchr(ref->name, ']'); |
56b03f3c ACM |
1058 | if (bracket) |
1059 | *bracket = '\0'; | |
1060 | ||
a1645ce1 | 1061 | ref->addr = addr; |
9de89fe7 ACM |
1062 | |
1063 | for (i = 0; i < MAP__NR_TYPES; ++i) { | |
a1645ce1 ZY |
1064 | struct kmap *kmap = map__kmap(maps[i]); |
1065 | kmap->ref_reloc_sym = ref; | |
9de89fe7 ACM |
1066 | } |
1067 | ||
56b03f3c ACM |
1068 | return 0; |
1069 | } | |
1f626bc3 ACM |
1070 | |
1071 | size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp) | |
1072 | { | |
1073 | return __dsos__fprintf(&self->host_machine.kernel_dsos, fp) + | |
1074 | __dsos__fprintf(&self->host_machine.user_dsos, fp) + | |
1075 | machines__fprintf_dsos(&self->machines, fp); | |
1076 | } | |
f869097e ACM |
1077 | |
1078 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp, | |
1079 | bool with_hits) | |
1080 | { | |
1081 | size_t ret = machine__fprintf_dsos_buildid(&self->host_machine, fp, with_hits); | |
1082 | return ret + machines__fprintf_dsos_buildid(&self->machines, fp, with_hits); | |
1083 | } |