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-rw-r--r--tools/perf/util/session.c352
1 files changed, 217 insertions, 135 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 105f00bfd555..caa224522fea 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -7,6 +7,8 @@
7#include <sys/types.h> 7#include <sys/types.h>
8#include <sys/mman.h> 8#include <sys/mman.h>
9 9
10#include "evlist.h"
11#include "evsel.h"
10#include "session.h" 12#include "session.h"
11#include "sort.h" 13#include "sort.h"
12#include "util.h" 14#include "util.h"
@@ -19,7 +21,7 @@ static int perf_session__open(struct perf_session *self, bool force)
19 self->fd_pipe = true; 21 self->fd_pipe = true;
20 self->fd = STDIN_FILENO; 22 self->fd = STDIN_FILENO;
21 23
22 if (perf_header__read(self, self->fd) < 0) 24 if (perf_session__read_header(self, self->fd) < 0)
23 pr_err("incompatible file format"); 25 pr_err("incompatible file format");
24 26
25 return 0; 27 return 0;
@@ -51,7 +53,7 @@ static int perf_session__open(struct perf_session *self, bool force)
51 goto out_close; 53 goto out_close;
52 } 54 }
53 55
54 if (perf_header__read(self, self->fd) < 0) { 56 if (perf_session__read_header(self, self->fd) < 0) {
55 pr_err("incompatible file format"); 57 pr_err("incompatible file format");
56 goto out_close; 58 goto out_close;
57 } 59 }
@@ -67,7 +69,7 @@ out_close:
67 69
68static void perf_session__id_header_size(struct perf_session *session) 70static void perf_session__id_header_size(struct perf_session *session)
69{ 71{
70 struct sample_data *data; 72 struct perf_sample *data;
71 u64 sample_type = session->sample_type; 73 u64 sample_type = session->sample_type;
72 u16 size = 0; 74 u16 size = 0;
73 75
@@ -92,21 +94,10 @@ out:
92 session->id_hdr_size = size; 94 session->id_hdr_size = size;
93} 95}
94 96
95void 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);
99}
100
101void perf_session__set_sample_type(struct perf_session *session, u64 type)
102{
103 session->sample_type = type;
104}
105
106void perf_session__update_sample_type(struct perf_session *self) 97void perf_session__update_sample_type(struct perf_session *self)
107{ 98{
108 self->sample_type = perf_header__sample_type(&self->header); 99 self->sample_type = perf_evlist__sample_type(self->evlist);
109 self->sample_id_all = perf_header__sample_id_all(&self->header); 100 self->sample_id_all = perf_evlist__sample_id_all(self->evlist);
110 perf_session__id_header_size(self); 101 perf_session__id_header_size(self);
111} 102}
112 103
@@ -135,13 +126,9 @@ struct perf_session *perf_session__new(const char *filename, int mode,
135 if (self == NULL) 126 if (self == NULL)
136 goto out; 127 goto out;
137 128
138 if (perf_header__init(&self->header) < 0)
139 goto out_free;
140
141 memcpy(self->filename, filename, len); 129 memcpy(self->filename, filename, len);
142 self->threads = RB_ROOT; 130 self->threads = RB_ROOT;
143 INIT_LIST_HEAD(&self->dead_threads); 131 INIT_LIST_HEAD(&self->dead_threads);
144 self->hists_tree = RB_ROOT;
145 self->last_match = NULL; 132 self->last_match = NULL;
146 /* 133 /*
147 * On 64bit we can mmap the data file in one go. No need for tiny mmap 134 * On 64bit we can mmap the data file in one go. No need for tiny mmap
@@ -162,17 +149,16 @@ struct perf_session *perf_session__new(const char *filename, int mode,
162 if (mode == O_RDONLY) { 149 if (mode == O_RDONLY) {
163 if (perf_session__open(self, force) < 0) 150 if (perf_session__open(self, force) < 0)
164 goto out_delete; 151 goto out_delete;
152 perf_session__update_sample_type(self);
165 } else if (mode == O_WRONLY) { 153 } else if (mode == O_WRONLY) {
166 /* 154 /*
167 * In O_RDONLY mode this will be performed when reading the 155 * In O_RDONLY mode this will be performed when reading the
168 * kernel MMAP event, in event__process_mmap(). 156 * kernel MMAP event, in perf_event__process_mmap().
169 */ 157 */
170 if (perf_session__create_kernel_maps(self) < 0) 158 if (perf_session__create_kernel_maps(self) < 0)
171 goto out_delete; 159 goto out_delete;
172 } 160 }
173 161
174 perf_session__update_sample_type(self);
175
176 if (ops && ops->ordering_requires_timestamps && 162 if (ops && ops->ordering_requires_timestamps &&
177 ops->ordered_samples && !self->sample_id_all) { 163 ops->ordered_samples && !self->sample_id_all) {
178 dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n"); 164 dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n");
@@ -181,9 +167,6 @@ struct perf_session *perf_session__new(const char *filename, int mode,
181 167
182out: 168out:
183 return self; 169 return self;
184out_free:
185 free(self);
186 return NULL;
187out_delete: 170out_delete:
188 perf_session__delete(self); 171 perf_session__delete(self);
189 return NULL; 172 return NULL;
@@ -214,7 +197,6 @@ static void perf_session__delete_threads(struct perf_session *self)
214 197
215void perf_session__delete(struct perf_session *self) 198void perf_session__delete(struct perf_session *self)
216{ 199{
217 perf_header__exit(&self->header);
218 perf_session__destroy_kernel_maps(self); 200 perf_session__destroy_kernel_maps(self);
219 perf_session__delete_dead_threads(self); 201 perf_session__delete_dead_threads(self);
220 perf_session__delete_threads(self); 202 perf_session__delete_threads(self);
@@ -242,17 +224,16 @@ static bool symbol__match_parent_regex(struct symbol *sym)
242 return 0; 224 return 0;
243} 225}
244 226
245struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 227int perf_session__resolve_callchain(struct perf_session *self,
246 struct thread *thread, 228 struct thread *thread,
247 struct ip_callchain *chain, 229 struct ip_callchain *chain,
248 struct symbol **parent) 230 struct symbol **parent)
249{ 231{
250 u8 cpumode = PERF_RECORD_MISC_USER; 232 u8 cpumode = PERF_RECORD_MISC_USER;
251 unsigned int i; 233 unsigned int i;
252 struct map_symbol *syms = calloc(chain->nr, sizeof(*syms)); 234 int err;
253 235
254 if (!syms) 236 callchain_cursor_reset(&self->callchain_cursor);
255 return NULL;
256 237
257 for (i = 0; i < chain->nr; i++) { 238 for (i = 0; i < chain->nr; i++) {
258 u64 ip = chain->ips[i]; 239 u64 ip = chain->ips[i];
@@ -281,30 +262,42 @@ struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
281 *parent = al.sym; 262 *parent = al.sym;
282 if (!symbol_conf.use_callchain) 263 if (!symbol_conf.use_callchain)
283 break; 264 break;
284 syms[i].map = al.map;
285 syms[i].sym = al.sym;
286 } 265 }
266
267 err = callchain_cursor_append(&self->callchain_cursor,
268 ip, al.map, al.sym);
269 if (err)
270 return err;
287 } 271 }
288 272
289 return syms; 273 return 0;
290} 274}
291 275
292static int process_event_synth_stub(event_t *event __used, 276static int process_event_synth_stub(union perf_event *event __used,
293 struct perf_session *session __used) 277 struct perf_session *session __used)
294{ 278{
295 dump_printf(": unhandled!\n"); 279 dump_printf(": unhandled!\n");
296 return 0; 280 return 0;
297} 281}
298 282
299static int process_event_stub(event_t *event __used, 283static int process_event_sample_stub(union perf_event *event __used,
300 struct sample_data *sample __used, 284 struct perf_sample *sample __used,
285 struct perf_evsel *evsel __used,
286 struct perf_session *session __used)
287{
288 dump_printf(": unhandled!\n");
289 return 0;
290}
291
292static int process_event_stub(union perf_event *event __used,
293 struct perf_sample *sample __used,
301 struct perf_session *session __used) 294 struct perf_session *session __used)
302{ 295{
303 dump_printf(": unhandled!\n"); 296 dump_printf(": unhandled!\n");
304 return 0; 297 return 0;
305} 298}
306 299
307static int process_finished_round_stub(event_t *event __used, 300static int process_finished_round_stub(union perf_event *event __used,
308 struct perf_session *session __used, 301 struct perf_session *session __used,
309 struct perf_event_ops *ops __used) 302 struct perf_event_ops *ops __used)
310{ 303{
@@ -312,14 +305,14 @@ static int process_finished_round_stub(event_t *event __used,
312 return 0; 305 return 0;
313} 306}
314 307
315static int process_finished_round(event_t *event, 308static int process_finished_round(union perf_event *event,
316 struct perf_session *session, 309 struct perf_session *session,
317 struct perf_event_ops *ops); 310 struct perf_event_ops *ops);
318 311
319static void perf_event_ops__fill_defaults(struct perf_event_ops *handler) 312static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
320{ 313{
321 if (handler->sample == NULL) 314 if (handler->sample == NULL)
322 handler->sample = process_event_stub; 315 handler->sample = process_event_sample_stub;
323 if (handler->mmap == NULL) 316 if (handler->mmap == NULL)
324 handler->mmap = process_event_stub; 317 handler->mmap = process_event_stub;
325 if (handler->comm == NULL) 318 if (handler->comm == NULL)
@@ -329,7 +322,7 @@ static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
329 if (handler->exit == NULL) 322 if (handler->exit == NULL)
330 handler->exit = process_event_stub; 323 handler->exit = process_event_stub;
331 if (handler->lost == NULL) 324 if (handler->lost == NULL)
332 handler->lost = event__process_lost; 325 handler->lost = perf_event__process_lost;
333 if (handler->read == NULL) 326 if (handler->read == NULL)
334 handler->read = process_event_stub; 327 handler->read = process_event_stub;
335 if (handler->throttle == NULL) 328 if (handler->throttle == NULL)
@@ -363,98 +356,98 @@ void mem_bswap_64(void *src, int byte_size)
363 } 356 }
364} 357}
365 358
366static void event__all64_swap(event_t *self) 359static void perf_event__all64_swap(union perf_event *event)
367{ 360{
368 struct perf_event_header *hdr = &self->header; 361 struct perf_event_header *hdr = &event->header;
369 mem_bswap_64(hdr + 1, self->header.size - sizeof(*hdr)); 362 mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr));
370} 363}
371 364
372static void event__comm_swap(event_t *self) 365static void perf_event__comm_swap(union perf_event *event)
373{ 366{
374 self->comm.pid = bswap_32(self->comm.pid); 367 event->comm.pid = bswap_32(event->comm.pid);
375 self->comm.tid = bswap_32(self->comm.tid); 368 event->comm.tid = bswap_32(event->comm.tid);
376} 369}
377 370
378static void event__mmap_swap(event_t *self) 371static void perf_event__mmap_swap(union perf_event *event)
379{ 372{
380 self->mmap.pid = bswap_32(self->mmap.pid); 373 event->mmap.pid = bswap_32(event->mmap.pid);
381 self->mmap.tid = bswap_32(self->mmap.tid); 374 event->mmap.tid = bswap_32(event->mmap.tid);
382 self->mmap.start = bswap_64(self->mmap.start); 375 event->mmap.start = bswap_64(event->mmap.start);
383 self->mmap.len = bswap_64(self->mmap.len); 376 event->mmap.len = bswap_64(event->mmap.len);
384 self->mmap.pgoff = bswap_64(self->mmap.pgoff); 377 event->mmap.pgoff = bswap_64(event->mmap.pgoff);
385} 378}
386 379
387static void event__task_swap(event_t *self) 380static void perf_event__task_swap(union perf_event *event)
388{ 381{
389 self->fork.pid = bswap_32(self->fork.pid); 382 event->fork.pid = bswap_32(event->fork.pid);
390 self->fork.tid = bswap_32(self->fork.tid); 383 event->fork.tid = bswap_32(event->fork.tid);
391 self->fork.ppid = bswap_32(self->fork.ppid); 384 event->fork.ppid = bswap_32(event->fork.ppid);
392 self->fork.ptid = bswap_32(self->fork.ptid); 385 event->fork.ptid = bswap_32(event->fork.ptid);
393 self->fork.time = bswap_64(self->fork.time); 386 event->fork.time = bswap_64(event->fork.time);
394} 387}
395 388
396static void event__read_swap(event_t *self) 389static void perf_event__read_swap(union perf_event *event)
397{ 390{
398 self->read.pid = bswap_32(self->read.pid); 391 event->read.pid = bswap_32(event->read.pid);
399 self->read.tid = bswap_32(self->read.tid); 392 event->read.tid = bswap_32(event->read.tid);
400 self->read.value = bswap_64(self->read.value); 393 event->read.value = bswap_64(event->read.value);
401 self->read.time_enabled = bswap_64(self->read.time_enabled); 394 event->read.time_enabled = bswap_64(event->read.time_enabled);
402 self->read.time_running = bswap_64(self->read.time_running); 395 event->read.time_running = bswap_64(event->read.time_running);
403 self->read.id = bswap_64(self->read.id); 396 event->read.id = bswap_64(event->read.id);
404} 397}
405 398
406static void event__attr_swap(event_t *self) 399static void perf_event__attr_swap(union perf_event *event)
407{ 400{
408 size_t size; 401 size_t size;
409 402
410 self->attr.attr.type = bswap_32(self->attr.attr.type); 403 event->attr.attr.type = bswap_32(event->attr.attr.type);
411 self->attr.attr.size = bswap_32(self->attr.attr.size); 404 event->attr.attr.size = bswap_32(event->attr.attr.size);
412 self->attr.attr.config = bswap_64(self->attr.attr.config); 405 event->attr.attr.config = bswap_64(event->attr.attr.config);
413 self->attr.attr.sample_period = bswap_64(self->attr.attr.sample_period); 406 event->attr.attr.sample_period = bswap_64(event->attr.attr.sample_period);
414 self->attr.attr.sample_type = bswap_64(self->attr.attr.sample_type); 407 event->attr.attr.sample_type = bswap_64(event->attr.attr.sample_type);
415 self->attr.attr.read_format = bswap_64(self->attr.attr.read_format); 408 event->attr.attr.read_format = bswap_64(event->attr.attr.read_format);
416 self->attr.attr.wakeup_events = bswap_32(self->attr.attr.wakeup_events); 409 event->attr.attr.wakeup_events = bswap_32(event->attr.attr.wakeup_events);
417 self->attr.attr.bp_type = bswap_32(self->attr.attr.bp_type); 410 event->attr.attr.bp_type = bswap_32(event->attr.attr.bp_type);
418 self->attr.attr.bp_addr = bswap_64(self->attr.attr.bp_addr); 411 event->attr.attr.bp_addr = bswap_64(event->attr.attr.bp_addr);
419 self->attr.attr.bp_len = bswap_64(self->attr.attr.bp_len); 412 event->attr.attr.bp_len = bswap_64(event->attr.attr.bp_len);
420 413
421 size = self->header.size; 414 size = event->header.size;
422 size -= (void *)&self->attr.id - (void *)self; 415 size -= (void *)&event->attr.id - (void *)event;
423 mem_bswap_64(self->attr.id, size); 416 mem_bswap_64(event->attr.id, size);
424} 417}
425 418
426static void event__event_type_swap(event_t *self) 419static void perf_event__event_type_swap(union perf_event *event)
427{ 420{
428 self->event_type.event_type.event_id = 421 event->event_type.event_type.event_id =
429 bswap_64(self->event_type.event_type.event_id); 422 bswap_64(event->event_type.event_type.event_id);
430} 423}
431 424
432static void event__tracing_data_swap(event_t *self) 425static void perf_event__tracing_data_swap(union perf_event *event)
433{ 426{
434 self->tracing_data.size = bswap_32(self->tracing_data.size); 427 event->tracing_data.size = bswap_32(event->tracing_data.size);
435} 428}
436 429
437typedef void (*event__swap_op)(event_t *self); 430typedef void (*perf_event__swap_op)(union perf_event *event);
438 431
439static event__swap_op event__swap_ops[] = { 432static perf_event__swap_op perf_event__swap_ops[] = {
440 [PERF_RECORD_MMAP] = event__mmap_swap, 433 [PERF_RECORD_MMAP] = perf_event__mmap_swap,
441 [PERF_RECORD_COMM] = event__comm_swap, 434 [PERF_RECORD_COMM] = perf_event__comm_swap,
442 [PERF_RECORD_FORK] = event__task_swap, 435 [PERF_RECORD_FORK] = perf_event__task_swap,
443 [PERF_RECORD_EXIT] = event__task_swap, 436 [PERF_RECORD_EXIT] = perf_event__task_swap,
444 [PERF_RECORD_LOST] = event__all64_swap, 437 [PERF_RECORD_LOST] = perf_event__all64_swap,
445 [PERF_RECORD_READ] = event__read_swap, 438 [PERF_RECORD_READ] = perf_event__read_swap,
446 [PERF_RECORD_SAMPLE] = event__all64_swap, 439 [PERF_RECORD_SAMPLE] = perf_event__all64_swap,
447 [PERF_RECORD_HEADER_ATTR] = event__attr_swap, 440 [PERF_RECORD_HEADER_ATTR] = perf_event__attr_swap,
448 [PERF_RECORD_HEADER_EVENT_TYPE] = event__event_type_swap, 441 [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap,
449 [PERF_RECORD_HEADER_TRACING_DATA] = event__tracing_data_swap, 442 [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap,
450 [PERF_RECORD_HEADER_BUILD_ID] = NULL, 443 [PERF_RECORD_HEADER_BUILD_ID] = NULL,
451 [PERF_RECORD_HEADER_MAX] = NULL, 444 [PERF_RECORD_HEADER_MAX] = NULL,
452}; 445};
453 446
454struct sample_queue { 447struct sample_queue {
455 u64 timestamp; 448 u64 timestamp;
456 u64 file_offset; 449 u64 file_offset;
457 event_t *event; 450 union perf_event *event;
458 struct list_head list; 451 struct list_head list;
459}; 452};
460 453
@@ -472,8 +465,8 @@ static void perf_session_free_sample_buffers(struct perf_session *session)
472} 465}
473 466
474static int perf_session_deliver_event(struct perf_session *session, 467static int perf_session_deliver_event(struct perf_session *session,
475 event_t *event, 468 union perf_event *event,
476 struct sample_data *sample, 469 struct perf_sample *sample,
477 struct perf_event_ops *ops, 470 struct perf_event_ops *ops,
478 u64 file_offset); 471 u64 file_offset);
479 472
@@ -483,7 +476,7 @@ static void flush_sample_queue(struct perf_session *s,
483 struct ordered_samples *os = &s->ordered_samples; 476 struct ordered_samples *os = &s->ordered_samples;
484 struct list_head *head = &os->samples; 477 struct list_head *head = &os->samples;
485 struct sample_queue *tmp, *iter; 478 struct sample_queue *tmp, *iter;
486 struct sample_data sample; 479 struct perf_sample sample;
487 u64 limit = os->next_flush; 480 u64 limit = os->next_flush;
488 u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL; 481 u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL;
489 482
@@ -494,7 +487,7 @@ static void flush_sample_queue(struct perf_session *s,
494 if (iter->timestamp > limit) 487 if (iter->timestamp > limit)
495 break; 488 break;
496 489
497 event__parse_sample(iter->event, s, &sample); 490 perf_session__parse_sample(s, iter->event, &sample);
498 perf_session_deliver_event(s, iter->event, &sample, ops, 491 perf_session_deliver_event(s, iter->event, &sample, ops,
499 iter->file_offset); 492 iter->file_offset);
500 493
@@ -550,7 +543,7 @@ static void flush_sample_queue(struct perf_session *s,
550 * Flush every events below timestamp 7 543 * Flush every events below timestamp 7
551 * etc... 544 * etc...
552 */ 545 */
553static int process_finished_round(event_t *event __used, 546static int process_finished_round(union perf_event *event __used,
554 struct perf_session *session, 547 struct perf_session *session,
555 struct perf_event_ops *ops) 548 struct perf_event_ops *ops)
556{ 549{
@@ -607,12 +600,12 @@ static void __queue_event(struct sample_queue *new, struct perf_session *s)
607 600
608#define MAX_SAMPLE_BUFFER (64 * 1024 / sizeof(struct sample_queue)) 601#define MAX_SAMPLE_BUFFER (64 * 1024 / sizeof(struct sample_queue))
609 602
610static int perf_session_queue_event(struct perf_session *s, event_t *event, 603static int perf_session_queue_event(struct perf_session *s, union perf_event *event,
611 struct sample_data *data, u64 file_offset) 604 struct perf_sample *sample, u64 file_offset)
612{ 605{
613 struct ordered_samples *os = &s->ordered_samples; 606 struct ordered_samples *os = &s->ordered_samples;
614 struct list_head *sc = &os->sample_cache; 607 struct list_head *sc = &os->sample_cache;
615 u64 timestamp = data->time; 608 u64 timestamp = sample->time;
616 struct sample_queue *new; 609 struct sample_queue *new;
617 610
618 if (!timestamp || timestamp == ~0ULL) 611 if (!timestamp || timestamp == ~0ULL)
@@ -648,7 +641,7 @@ static int perf_session_queue_event(struct perf_session *s, event_t *event,
648 return 0; 641 return 0;
649} 642}
650 643
651static void callchain__printf(struct sample_data *sample) 644static void callchain__printf(struct perf_sample *sample)
652{ 645{
653 unsigned int i; 646 unsigned int i;
654 647
@@ -660,8 +653,8 @@ static void callchain__printf(struct sample_data *sample)
660} 653}
661 654
662static void perf_session__print_tstamp(struct perf_session *session, 655static void perf_session__print_tstamp(struct perf_session *session,
663 event_t *event, 656 union perf_event *event,
664 struct sample_data *sample) 657 struct perf_sample *sample)
665{ 658{
666 if (event->header.type != PERF_RECORD_SAMPLE && 659 if (event->header.type != PERF_RECORD_SAMPLE &&
667 !session->sample_id_all) { 660 !session->sample_id_all) {
@@ -676,8 +669,8 @@ static void perf_session__print_tstamp(struct perf_session *session,
676 printf("%" PRIu64 " ", sample->time); 669 printf("%" PRIu64 " ", sample->time);
677} 670}
678 671
679static void dump_event(struct perf_session *session, event_t *event, 672static void dump_event(struct perf_session *session, union perf_event *event,
680 u64 file_offset, struct sample_data *sample) 673 u64 file_offset, struct perf_sample *sample)
681{ 674{
682 if (!dump_trace) 675 if (!dump_trace)
683 return; 676 return;
@@ -691,11 +684,11 @@ static void dump_event(struct perf_session *session, event_t *event,
691 perf_session__print_tstamp(session, event, sample); 684 perf_session__print_tstamp(session, event, sample);
692 685
693 printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, 686 printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset,
694 event->header.size, event__get_event_name(event->header.type)); 687 event->header.size, perf_event__name(event->header.type));
695} 688}
696 689
697static void dump_sample(struct perf_session *session, event_t *event, 690static void dump_sample(struct perf_session *session, union perf_event *event,
698 struct sample_data *sample) 691 struct perf_sample *sample)
699{ 692{
700 if (!dump_trace) 693 if (!dump_trace)
701 return; 694 return;
@@ -709,17 +702,24 @@ static void dump_sample(struct perf_session *session, event_t *event,
709} 702}
710 703
711static int perf_session_deliver_event(struct perf_session *session, 704static int perf_session_deliver_event(struct perf_session *session,
712 event_t *event, 705 union perf_event *event,
713 struct sample_data *sample, 706 struct perf_sample *sample,
714 struct perf_event_ops *ops, 707 struct perf_event_ops *ops,
715 u64 file_offset) 708 u64 file_offset)
716{ 709{
710 struct perf_evsel *evsel;
711
717 dump_event(session, event, file_offset, sample); 712 dump_event(session, event, file_offset, sample);
718 713
719 switch (event->header.type) { 714 switch (event->header.type) {
720 case PERF_RECORD_SAMPLE: 715 case PERF_RECORD_SAMPLE:
721 dump_sample(session, event, sample); 716 dump_sample(session, event, sample);
722 return ops->sample(event, sample, session); 717 evsel = perf_evlist__id2evsel(session->evlist, sample->id);
718 if (evsel == NULL) {
719 ++session->hists.stats.nr_unknown_id;
720 return -1;
721 }
722 return ops->sample(event, sample, evsel, session);
723 case PERF_RECORD_MMAP: 723 case PERF_RECORD_MMAP:
724 return ops->mmap(event, sample, session); 724 return ops->mmap(event, sample, session);
725 case PERF_RECORD_COMM: 725 case PERF_RECORD_COMM:
@@ -743,7 +743,7 @@ static int perf_session_deliver_event(struct perf_session *session,
743} 743}
744 744
745static int perf_session__preprocess_sample(struct perf_session *session, 745static int perf_session__preprocess_sample(struct perf_session *session,
746 event_t *event, struct sample_data *sample) 746 union perf_event *event, struct perf_sample *sample)
747{ 747{
748 if (event->header.type != PERF_RECORD_SAMPLE || 748 if (event->header.type != PERF_RECORD_SAMPLE ||
749 !(session->sample_type & PERF_SAMPLE_CALLCHAIN)) 749 !(session->sample_type & PERF_SAMPLE_CALLCHAIN))
@@ -758,7 +758,7 @@ static int perf_session__preprocess_sample(struct perf_session *session,
758 return 0; 758 return 0;
759} 759}
760 760
761static int perf_session__process_user_event(struct perf_session *session, event_t *event, 761static int perf_session__process_user_event(struct perf_session *session, union perf_event *event,
762 struct perf_event_ops *ops, u64 file_offset) 762 struct perf_event_ops *ops, u64 file_offset)
763{ 763{
764 dump_event(session, event, file_offset, NULL); 764 dump_event(session, event, file_offset, NULL);
@@ -783,15 +783,16 @@ static int perf_session__process_user_event(struct perf_session *session, event_
783} 783}
784 784
785static int perf_session__process_event(struct perf_session *session, 785static int perf_session__process_event(struct perf_session *session,
786 event_t *event, 786 union perf_event *event,
787 struct perf_event_ops *ops, 787 struct perf_event_ops *ops,
788 u64 file_offset) 788 u64 file_offset)
789{ 789{
790 struct sample_data sample; 790 struct perf_sample sample;
791 int ret; 791 int ret;
792 792
793 if (session->header.needs_swap && event__swap_ops[event->header.type]) 793 if (session->header.needs_swap &&
794 event__swap_ops[event->header.type](event); 794 perf_event__swap_ops[event->header.type])
795 perf_event__swap_ops[event->header.type](event);
795 796
796 if (event->header.type >= PERF_RECORD_HEADER_MAX) 797 if (event->header.type >= PERF_RECORD_HEADER_MAX)
797 return -EINVAL; 798 return -EINVAL;
@@ -804,7 +805,7 @@ static int perf_session__process_event(struct perf_session *session,
804 /* 805 /*
805 * For all kernel events we get the sample data 806 * For all kernel events we get the sample data
806 */ 807 */
807 event__parse_sample(event, session, &sample); 808 perf_session__parse_sample(session, event, &sample);
808 809
809 /* Preprocess sample records - precheck callchains */ 810 /* Preprocess sample records - precheck callchains */
810 if (perf_session__preprocess_sample(session, event, &sample)) 811 if (perf_session__preprocess_sample(session, event, &sample))
@@ -843,7 +844,7 @@ static struct thread *perf_session__register_idle_thread(struct perf_session *se
843static void perf_session__warn_about_errors(const struct perf_session *session, 844static void perf_session__warn_about_errors(const struct perf_session *session,
844 const struct perf_event_ops *ops) 845 const struct perf_event_ops *ops)
845{ 846{
846 if (ops->lost == event__process_lost && 847 if (ops->lost == perf_event__process_lost &&
847 session->hists.stats.total_lost != 0) { 848 session->hists.stats.total_lost != 0) {
848 ui__warning("Processed %" PRIu64 " events and LOST %" PRIu64 849 ui__warning("Processed %" PRIu64 " events and LOST %" PRIu64
849 "!\n\nCheck IO/CPU overload!\n\n", 850 "!\n\nCheck IO/CPU overload!\n\n",
@@ -860,6 +861,11 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
860 session->hists.stats.nr_unknown_events); 861 session->hists.stats.nr_unknown_events);
861 } 862 }
862 863
864 if (session->hists.stats.nr_unknown_id != 0) {
865 ui__warning("%u samples with id not present in the header\n",
866 session->hists.stats.nr_unknown_id);
867 }
868
863 if (session->hists.stats.nr_invalid_chains != 0) { 869 if (session->hists.stats.nr_invalid_chains != 0) {
864 ui__warning("Found invalid callchains!\n\n" 870 ui__warning("Found invalid callchains!\n\n"
865 "%u out of %u events were discarded for this reason.\n\n" 871 "%u out of %u events were discarded for this reason.\n\n"
@@ -875,7 +881,7 @@ volatile int session_done;
875static int __perf_session__process_pipe_events(struct perf_session *self, 881static int __perf_session__process_pipe_events(struct perf_session *self,
876 struct perf_event_ops *ops) 882 struct perf_event_ops *ops)
877{ 883{
878 event_t event; 884 union perf_event event;
879 uint32_t size; 885 uint32_t size;
880 int skip = 0; 886 int skip = 0;
881 u64 head; 887 u64 head;
@@ -956,7 +962,7 @@ int __perf_session__process_events(struct perf_session *session,
956 struct ui_progress *progress; 962 struct ui_progress *progress;
957 size_t page_size, mmap_size; 963 size_t page_size, mmap_size;
958 char *buf, *mmaps[8]; 964 char *buf, *mmaps[8];
959 event_t *event; 965 union perf_event *event;
960 uint32_t size; 966 uint32_t size;
961 967
962 perf_event_ops__fill_defaults(ops); 968 perf_event_ops__fill_defaults(ops);
@@ -1001,7 +1007,7 @@ remap:
1001 file_pos = file_offset + head; 1007 file_pos = file_offset + head;
1002 1008
1003more: 1009more:
1004 event = (event_t *)(buf + head); 1010 event = (union perf_event *)(buf + head);
1005 1011
1006 if (session->header.needs_swap) 1012 if (session->header.needs_swap)
1007 perf_event_header__bswap(&event->header); 1013 perf_event_header__bswap(&event->header);
@@ -1134,3 +1140,79 @@ size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
1134 size_t ret = machine__fprintf_dsos_buildid(&self->host_machine, fp, with_hits); 1140 size_t ret = machine__fprintf_dsos_buildid(&self->host_machine, fp, with_hits);
1135 return ret + machines__fprintf_dsos_buildid(&self->machines, fp, with_hits); 1141 return ret + machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
1136} 1142}
1143
1144size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
1145{
1146 struct perf_evsel *pos;
1147 size_t ret = fprintf(fp, "Aggregated stats:\n");
1148
1149 ret += hists__fprintf_nr_events(&session->hists, fp);
1150
1151 list_for_each_entry(pos, &session->evlist->entries, node) {
1152 ret += fprintf(fp, "%s stats:\n", event_name(pos));
1153 ret += hists__fprintf_nr_events(&pos->hists, fp);
1154 }
1155
1156 return ret;
1157}
1158
1159void perf_session__print_symbols(union perf_event *event,
1160 struct perf_sample *sample,
1161 struct perf_session *session)
1162{
1163 struct addr_location al;
1164 const char *symname, *dsoname;
1165 struct callchain_cursor *cursor = &session->callchain_cursor;
1166 struct callchain_cursor_node *node;
1167
1168 if (perf_event__preprocess_sample(event, session, &al, sample,
1169 NULL) < 0) {
1170 error("problem processing %d event, skipping it.\n",
1171 event->header.type);
1172 return;
1173 }
1174
1175 if (symbol_conf.use_callchain && sample->callchain) {
1176
1177 if (perf_session__resolve_callchain(session, al.thread,
1178 sample->callchain, NULL) != 0) {
1179 if (verbose)
1180 error("Failed to resolve callchain. Skipping\n");
1181 return;
1182 }
1183 callchain_cursor_commit(cursor);
1184
1185 while (1) {
1186 node = callchain_cursor_current(cursor);
1187 if (!node)
1188 break;
1189
1190 if (node->sym && node->sym->name)
1191 symname = node->sym->name;
1192 else
1193 symname = "";
1194
1195 if (node->map && node->map->dso && node->map->dso->name)
1196 dsoname = node->map->dso->name;
1197 else
1198 dsoname = "";
1199
1200 printf("\t%16" PRIx64 " %s (%s)\n", node->ip, symname, dsoname);
1201
1202 callchain_cursor_advance(cursor);
1203 }
1204
1205 } else {
1206 if (al.sym && al.sym->name)
1207 symname = al.sym->name;
1208 else
1209 symname = "";
1210
1211 if (al.map && al.map->dso && al.map->dso->name)
1212 dsoname = al.map->dso->name;
1213 else
1214 dsoname = "";
1215
1216 printf("%16" PRIx64 " %s (%s)", al.addr, symname, dsoname);
1217 }
1218}
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-04 03:27:43 -0400