1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/kernel.h>
6 #include <linux/zalloc.h>
11 #include <sys/types.h>
13 #include <perf/cpumap.h>
15 #include "map_symbol.h"
25 #include "perf_regs.h"
29 #include "thread-stack.h"
30 #include "sample-raw.h"
33 #include "ui/progress.h"
35 #include "arch/common.h"
37 #include <internal/lib.h>
39 #ifdef HAVE_ZSTD_SUPPORT
40 static int perf_session__process_compressed_event(struct perf_session *session,
41 union perf_event *event, u64 file_offset)
44 size_t decomp_size, src_size;
45 u64 decomp_last_rem = 0;
46 size_t mmap_len, decomp_len = session->header.env.comp_mmap_len;
47 struct decomp *decomp, *decomp_last = session->decomp_last;
50 decomp_last_rem = decomp_last->size - decomp_last->head;
51 decomp_len += decomp_last_rem;
54 mmap_len = sizeof(struct decomp) + decomp_len;
55 decomp = mmap(NULL, mmap_len, PROT_READ|PROT_WRITE,
56 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
57 if (decomp == MAP_FAILED) {
58 pr_err("Couldn't allocate memory for decompression\n");
62 decomp->file_pos = file_offset;
63 decomp->mmap_len = mmap_len;
66 if (decomp_last_rem) {
67 memcpy(decomp->data, &(decomp_last->data[decomp_last->head]), decomp_last_rem);
68 decomp->size = decomp_last_rem;
71 src = (void *)event + sizeof(struct perf_record_compressed);
72 src_size = event->pack.header.size - sizeof(struct perf_record_compressed);
74 decomp_size = zstd_decompress_stream(&(session->zstd_data), src, src_size,
75 &(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem);
77 munmap(decomp, mmap_len);
78 pr_err("Couldn't decompress data\n");
82 decomp->size += decomp_size;
84 if (session->decomp == NULL) {
85 session->decomp = decomp;
86 session->decomp_last = decomp;
88 session->decomp_last->next = decomp;
89 session->decomp_last = decomp;
92 pr_debug("decomp (B): %zd to %zd\n", src_size, decomp_size);
96 #else /* !HAVE_ZSTD_SUPPORT */
97 #define perf_session__process_compressed_event perf_session__process_compressed_event_stub
100 static int perf_session__deliver_event(struct perf_session *session,
101 union perf_event *event,
102 struct perf_tool *tool,
105 static int perf_session__open(struct perf_session *session)
107 struct perf_data *data = session->data;
109 if (perf_session__read_header(session) < 0) {
110 pr_err("incompatible file format (rerun with -v to learn more)\n");
114 if (perf_data__is_pipe(data))
117 if (perf_header__has_feat(&session->header, HEADER_STAT))
120 if (!evlist__valid_sample_type(session->evlist)) {
121 pr_err("non matching sample_type\n");
125 if (!evlist__valid_sample_id_all(session->evlist)) {
126 pr_err("non matching sample_id_all\n");
130 if (!evlist__valid_read_format(session->evlist)) {
131 pr_err("non matching read_format\n");
138 void perf_session__set_id_hdr_size(struct perf_session *session)
140 u16 id_hdr_size = evlist__id_hdr_size(session->evlist);
142 machines__set_id_hdr_size(&session->machines, id_hdr_size);
145 int perf_session__create_kernel_maps(struct perf_session *session)
147 int ret = machine__create_kernel_maps(&session->machines.host);
150 ret = machines__create_guest_kernel_maps(&session->machines);
154 static void perf_session__destroy_kernel_maps(struct perf_session *session)
156 machines__destroy_kernel_maps(&session->machines);
159 static bool perf_session__has_comm_exec(struct perf_session *session)
163 evlist__for_each_entry(session->evlist, evsel) {
164 if (evsel->core.attr.comm_exec)
171 static void perf_session__set_comm_exec(struct perf_session *session)
173 bool comm_exec = perf_session__has_comm_exec(session);
175 machines__set_comm_exec(&session->machines, comm_exec);
178 static int ordered_events__deliver_event(struct ordered_events *oe,
179 struct ordered_event *event)
181 struct perf_session *session = container_of(oe, struct perf_session,
184 return perf_session__deliver_event(session, event->event,
185 session->tool, event->file_offset);
188 struct perf_session *perf_session__new(struct perf_data *data,
189 bool repipe, struct perf_tool *tool)
192 struct perf_session *session = zalloc(sizeof(*session));
197 session->repipe = repipe;
198 session->tool = tool;
199 INIT_LIST_HEAD(&session->auxtrace_index);
200 machines__init(&session->machines);
201 ordered_events__init(&session->ordered_events,
202 ordered_events__deliver_event, NULL);
204 perf_env__init(&session->header.env);
206 ret = perf_data__open(data);
210 session->data = data;
212 if (perf_data__is_read(data)) {
213 ret = perf_session__open(session);
218 * set session attributes that are present in perf.data
219 * but not in pipe-mode.
221 if (!data->is_pipe) {
222 perf_session__set_id_hdr_size(session);
223 perf_session__set_comm_exec(session);
226 evlist__init_trace_event_sample_raw(session->evlist);
228 /* Open the directory data. */
230 ret = perf_data__open_dir(data);
235 if (!symbol_conf.kallsyms_name &&
236 !symbol_conf.vmlinux_name)
237 symbol_conf.kallsyms_name = perf_data__kallsyms_name(data);
240 session->machines.host.env = &perf_env;
243 session->machines.host.single_address_space =
244 perf_env__single_address_space(session->machines.host.env);
246 if (!data || perf_data__is_write(data)) {
248 * In O_RDONLY mode this will be performed when reading the
249 * kernel MMAP event, in perf_event__process_mmap().
251 if (perf_session__create_kernel_maps(session) < 0)
252 pr_warning("Cannot read kernel map\n");
256 * In pipe-mode, evlist is empty until PERF_RECORD_HEADER_ATTR is
257 * processed, so evlist__sample_id_all is not meaningful here.
259 if ((!data || !data->is_pipe) && tool && tool->ordering_requires_timestamps &&
260 tool->ordered_events && !evlist__sample_id_all(session->evlist)) {
261 dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n");
262 tool->ordered_events = false;
268 perf_session__delete(session);
273 static void perf_session__delete_threads(struct perf_session *session)
275 machine__delete_threads(&session->machines.host);
278 static void perf_session__release_decomp_events(struct perf_session *session)
280 struct decomp *next, *decomp;
282 next = session->decomp;
288 mmap_len = decomp->mmap_len;
289 munmap(decomp, mmap_len);
293 void perf_session__delete(struct perf_session *session)
297 auxtrace__free(session);
298 auxtrace_index__free(&session->auxtrace_index);
299 perf_session__destroy_kernel_maps(session);
300 perf_session__delete_threads(session);
301 perf_session__release_decomp_events(session);
302 perf_env__exit(&session->header.env);
303 machines__exit(&session->machines);
305 if (perf_data__is_read(session->data))
306 evlist__delete(session->evlist);
307 perf_data__close(session->data);
309 trace_event__cleanup(&session->tevent);
313 static int process_event_synth_tracing_data_stub(struct perf_session *session
315 union perf_event *event
318 dump_printf(": unhandled!\n");
322 static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused,
323 union perf_event *event __maybe_unused,
324 struct evlist **pevlist
327 dump_printf(": unhandled!\n");
331 static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused,
332 union perf_event *event __maybe_unused,
333 struct evlist **pevlist
337 perf_event__fprintf_event_update(event, stdout);
339 dump_printf(": unhandled!\n");
343 static int process_event_sample_stub(struct perf_tool *tool __maybe_unused,
344 union perf_event *event __maybe_unused,
345 struct perf_sample *sample __maybe_unused,
346 struct evsel *evsel __maybe_unused,
347 struct machine *machine __maybe_unused)
349 dump_printf(": unhandled!\n");
353 static int process_event_stub(struct perf_tool *tool __maybe_unused,
354 union perf_event *event __maybe_unused,
355 struct perf_sample *sample __maybe_unused,
356 struct machine *machine __maybe_unused)
358 dump_printf(": unhandled!\n");
362 static int process_finished_round_stub(struct perf_tool *tool __maybe_unused,
363 union perf_event *event __maybe_unused,
364 struct ordered_events *oe __maybe_unused)
366 dump_printf(": unhandled!\n");
370 static int process_finished_round(struct perf_tool *tool,
371 union perf_event *event,
372 struct ordered_events *oe);
374 static int skipn(int fd, off_t n)
380 ret = read(fd, buf, min(n, (off_t)sizeof(buf)));
389 static s64 process_event_auxtrace_stub(struct perf_session *session __maybe_unused,
390 union perf_event *event)
392 dump_printf(": unhandled!\n");
393 if (perf_data__is_pipe(session->data))
394 skipn(perf_data__fd(session->data), event->auxtrace.size);
395 return event->auxtrace.size;
398 static int process_event_op2_stub(struct perf_session *session __maybe_unused,
399 union perf_event *event __maybe_unused)
401 dump_printf(": unhandled!\n");
407 int process_event_thread_map_stub(struct perf_session *session __maybe_unused,
408 union perf_event *event __maybe_unused)
411 perf_event__fprintf_thread_map(event, stdout);
413 dump_printf(": unhandled!\n");
418 int process_event_cpu_map_stub(struct perf_session *session __maybe_unused,
419 union perf_event *event __maybe_unused)
422 perf_event__fprintf_cpu_map(event, stdout);
424 dump_printf(": unhandled!\n");
429 int process_event_stat_config_stub(struct perf_session *session __maybe_unused,
430 union perf_event *event __maybe_unused)
433 perf_event__fprintf_stat_config(event, stdout);
435 dump_printf(": unhandled!\n");
439 static int process_stat_stub(struct perf_session *perf_session __maybe_unused,
440 union perf_event *event)
443 perf_event__fprintf_stat(event, stdout);
445 dump_printf(": unhandled!\n");
449 static int process_stat_round_stub(struct perf_session *perf_session __maybe_unused,
450 union perf_event *event)
453 perf_event__fprintf_stat_round(event, stdout);
455 dump_printf(": unhandled!\n");
459 static int process_event_time_conv_stub(struct perf_session *perf_session __maybe_unused,
460 union perf_event *event)
463 perf_event__fprintf_time_conv(event, stdout);
465 dump_printf(": unhandled!\n");
469 static int perf_session__process_compressed_event_stub(struct perf_session *session __maybe_unused,
470 union perf_event *event __maybe_unused,
471 u64 file_offset __maybe_unused)
473 dump_printf(": unhandled!\n");
477 void perf_tool__fill_defaults(struct perf_tool *tool)
479 if (tool->sample == NULL)
480 tool->sample = process_event_sample_stub;
481 if (tool->mmap == NULL)
482 tool->mmap = process_event_stub;
483 if (tool->mmap2 == NULL)
484 tool->mmap2 = process_event_stub;
485 if (tool->comm == NULL)
486 tool->comm = process_event_stub;
487 if (tool->namespaces == NULL)
488 tool->namespaces = process_event_stub;
489 if (tool->cgroup == NULL)
490 tool->cgroup = process_event_stub;
491 if (tool->fork == NULL)
492 tool->fork = process_event_stub;
493 if (tool->exit == NULL)
494 tool->exit = process_event_stub;
495 if (tool->lost == NULL)
496 tool->lost = perf_event__process_lost;
497 if (tool->lost_samples == NULL)
498 tool->lost_samples = perf_event__process_lost_samples;
499 if (tool->aux == NULL)
500 tool->aux = perf_event__process_aux;
501 if (tool->itrace_start == NULL)
502 tool->itrace_start = perf_event__process_itrace_start;
503 if (tool->context_switch == NULL)
504 tool->context_switch = perf_event__process_switch;
505 if (tool->ksymbol == NULL)
506 tool->ksymbol = perf_event__process_ksymbol;
507 if (tool->bpf == NULL)
508 tool->bpf = perf_event__process_bpf;
509 if (tool->text_poke == NULL)
510 tool->text_poke = perf_event__process_text_poke;
511 if (tool->read == NULL)
512 tool->read = process_event_sample_stub;
513 if (tool->throttle == NULL)
514 tool->throttle = process_event_stub;
515 if (tool->unthrottle == NULL)
516 tool->unthrottle = process_event_stub;
517 if (tool->attr == NULL)
518 tool->attr = process_event_synth_attr_stub;
519 if (tool->event_update == NULL)
520 tool->event_update = process_event_synth_event_update_stub;
521 if (tool->tracing_data == NULL)
522 tool->tracing_data = process_event_synth_tracing_data_stub;
523 if (tool->build_id == NULL)
524 tool->build_id = process_event_op2_stub;
525 if (tool->finished_round == NULL) {
526 if (tool->ordered_events)
527 tool->finished_round = process_finished_round;
529 tool->finished_round = process_finished_round_stub;
531 if (tool->id_index == NULL)
532 tool->id_index = process_event_op2_stub;
533 if (tool->auxtrace_info == NULL)
534 tool->auxtrace_info = process_event_op2_stub;
535 if (tool->auxtrace == NULL)
536 tool->auxtrace = process_event_auxtrace_stub;
537 if (tool->auxtrace_error == NULL)
538 tool->auxtrace_error = process_event_op2_stub;
539 if (tool->thread_map == NULL)
540 tool->thread_map = process_event_thread_map_stub;
541 if (tool->cpu_map == NULL)
542 tool->cpu_map = process_event_cpu_map_stub;
543 if (tool->stat_config == NULL)
544 tool->stat_config = process_event_stat_config_stub;
545 if (tool->stat == NULL)
546 tool->stat = process_stat_stub;
547 if (tool->stat_round == NULL)
548 tool->stat_round = process_stat_round_stub;
549 if (tool->time_conv == NULL)
550 tool->time_conv = process_event_time_conv_stub;
551 if (tool->feature == NULL)
552 tool->feature = process_event_op2_stub;
553 if (tool->compressed == NULL)
554 tool->compressed = perf_session__process_compressed_event;
557 static void swap_sample_id_all(union perf_event *event, void *data)
559 void *end = (void *) event + event->header.size;
560 int size = end - data;
562 BUG_ON(size % sizeof(u64));
563 mem_bswap_64(data, size);
566 static void perf_event__all64_swap(union perf_event *event,
567 bool sample_id_all __maybe_unused)
569 struct perf_event_header *hdr = &event->header;
570 mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr));
573 static void perf_event__comm_swap(union perf_event *event, bool sample_id_all)
575 event->comm.pid = bswap_32(event->comm.pid);
576 event->comm.tid = bswap_32(event->comm.tid);
579 void *data = &event->comm.comm;
581 data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
582 swap_sample_id_all(event, data);
586 static void perf_event__mmap_swap(union perf_event *event,
589 event->mmap.pid = bswap_32(event->mmap.pid);
590 event->mmap.tid = bswap_32(event->mmap.tid);
591 event->mmap.start = bswap_64(event->mmap.start);
592 event->mmap.len = bswap_64(event->mmap.len);
593 event->mmap.pgoff = bswap_64(event->mmap.pgoff);
596 void *data = &event->mmap.filename;
598 data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
599 swap_sample_id_all(event, data);
603 static void perf_event__mmap2_swap(union perf_event *event,
606 event->mmap2.pid = bswap_32(event->mmap2.pid);
607 event->mmap2.tid = bswap_32(event->mmap2.tid);
608 event->mmap2.start = bswap_64(event->mmap2.start);
609 event->mmap2.len = bswap_64(event->mmap2.len);
610 event->mmap2.pgoff = bswap_64(event->mmap2.pgoff);
612 if (!(event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID)) {
613 event->mmap2.maj = bswap_32(event->mmap2.maj);
614 event->mmap2.min = bswap_32(event->mmap2.min);
615 event->mmap2.ino = bswap_64(event->mmap2.ino);
616 event->mmap2.ino_generation = bswap_64(event->mmap2.ino_generation);
620 void *data = &event->mmap2.filename;
622 data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
623 swap_sample_id_all(event, data);
626 static void perf_event__task_swap(union perf_event *event, bool sample_id_all)
628 event->fork.pid = bswap_32(event->fork.pid);
629 event->fork.tid = bswap_32(event->fork.tid);
630 event->fork.ppid = bswap_32(event->fork.ppid);
631 event->fork.ptid = bswap_32(event->fork.ptid);
632 event->fork.time = bswap_64(event->fork.time);
635 swap_sample_id_all(event, &event->fork + 1);
638 static void perf_event__read_swap(union perf_event *event, bool sample_id_all)
640 event->read.pid = bswap_32(event->read.pid);
641 event->read.tid = bswap_32(event->read.tid);
642 event->read.value = bswap_64(event->read.value);
643 event->read.time_enabled = bswap_64(event->read.time_enabled);
644 event->read.time_running = bswap_64(event->read.time_running);
645 event->read.id = bswap_64(event->read.id);
648 swap_sample_id_all(event, &event->read + 1);
651 static void perf_event__aux_swap(union perf_event *event, bool sample_id_all)
653 event->aux.aux_offset = bswap_64(event->aux.aux_offset);
654 event->aux.aux_size = bswap_64(event->aux.aux_size);
655 event->aux.flags = bswap_64(event->aux.flags);
658 swap_sample_id_all(event, &event->aux + 1);
661 static void perf_event__itrace_start_swap(union perf_event *event,
664 event->itrace_start.pid = bswap_32(event->itrace_start.pid);
665 event->itrace_start.tid = bswap_32(event->itrace_start.tid);
668 swap_sample_id_all(event, &event->itrace_start + 1);
671 static void perf_event__switch_swap(union perf_event *event, bool sample_id_all)
673 if (event->header.type == PERF_RECORD_SWITCH_CPU_WIDE) {
674 event->context_switch.next_prev_pid =
675 bswap_32(event->context_switch.next_prev_pid);
676 event->context_switch.next_prev_tid =
677 bswap_32(event->context_switch.next_prev_tid);
681 swap_sample_id_all(event, &event->context_switch + 1);
684 static void perf_event__text_poke_swap(union perf_event *event, bool sample_id_all)
686 event->text_poke.addr = bswap_64(event->text_poke.addr);
687 event->text_poke.old_len = bswap_16(event->text_poke.old_len);
688 event->text_poke.new_len = bswap_16(event->text_poke.new_len);
691 size_t len = sizeof(event->text_poke.old_len) +
692 sizeof(event->text_poke.new_len) +
693 event->text_poke.old_len +
694 event->text_poke.new_len;
695 void *data = &event->text_poke.old_len;
697 data += PERF_ALIGN(len, sizeof(u64));
698 swap_sample_id_all(event, data);
702 static void perf_event__throttle_swap(union perf_event *event,
705 event->throttle.time = bswap_64(event->throttle.time);
706 event->throttle.id = bswap_64(event->throttle.id);
707 event->throttle.stream_id = bswap_64(event->throttle.stream_id);
710 swap_sample_id_all(event, &event->throttle + 1);
713 static void perf_event__namespaces_swap(union perf_event *event,
718 event->namespaces.pid = bswap_32(event->namespaces.pid);
719 event->namespaces.tid = bswap_32(event->namespaces.tid);
720 event->namespaces.nr_namespaces = bswap_64(event->namespaces.nr_namespaces);
722 for (i = 0; i < event->namespaces.nr_namespaces; i++) {
723 struct perf_ns_link_info *ns = &event->namespaces.link_info[i];
725 ns->dev = bswap_64(ns->dev);
726 ns->ino = bswap_64(ns->ino);
730 swap_sample_id_all(event, &event->namespaces.link_info[i]);
733 static void perf_event__cgroup_swap(union perf_event *event, bool sample_id_all)
735 event->cgroup.id = bswap_64(event->cgroup.id);
738 void *data = &event->cgroup.path;
740 data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
741 swap_sample_id_all(event, data);
745 static u8 revbyte(u8 b)
747 int rev = (b >> 4) | ((b & 0xf) << 4);
748 rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2);
749 rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1);
754 * XXX this is hack in attempt to carry flags bitfield
755 * through endian village. ABI says:
757 * Bit-fields are allocated from right to left (least to most significant)
758 * on little-endian implementations and from left to right (most to least
759 * significant) on big-endian implementations.
761 * The above seems to be byte specific, so we need to reverse each
762 * byte of the bitfield. 'Internet' also says this might be implementation
763 * specific and we probably need proper fix and carry perf_event_attr
764 * bitfield flags in separate data file FEAT_ section. Thought this seems
767 static void swap_bitfield(u8 *p, unsigned len)
771 for (i = 0; i < len; i++) {
777 /* exported for swapping attributes in file header */
778 void perf_event__attr_swap(struct perf_event_attr *attr)
780 attr->type = bswap_32(attr->type);
781 attr->size = bswap_32(attr->size);
783 #define bswap_safe(f, n) \
784 (attr->size > (offsetof(struct perf_event_attr, f) + \
785 sizeof(attr->f) * (n)))
786 #define bswap_field(f, sz) \
788 if (bswap_safe(f, 0)) \
789 attr->f = bswap_##sz(attr->f); \
791 #define bswap_field_16(f) bswap_field(f, 16)
792 #define bswap_field_32(f) bswap_field(f, 32)
793 #define bswap_field_64(f) bswap_field(f, 64)
795 bswap_field_64(config);
796 bswap_field_64(sample_period);
797 bswap_field_64(sample_type);
798 bswap_field_64(read_format);
799 bswap_field_32(wakeup_events);
800 bswap_field_32(bp_type);
801 bswap_field_64(bp_addr);
802 bswap_field_64(bp_len);
803 bswap_field_64(branch_sample_type);
804 bswap_field_64(sample_regs_user);
805 bswap_field_32(sample_stack_user);
806 bswap_field_32(aux_watermark);
807 bswap_field_16(sample_max_stack);
808 bswap_field_32(aux_sample_size);
811 * After read_format are bitfields. Check read_format because
812 * we are unable to use offsetof on bitfield.
814 if (bswap_safe(read_format, 1))
815 swap_bitfield((u8 *) (&attr->read_format + 1),
817 #undef bswap_field_64
818 #undef bswap_field_32
823 static void perf_event__hdr_attr_swap(union perf_event *event,
824 bool sample_id_all __maybe_unused)
828 perf_event__attr_swap(&event->attr.attr);
830 size = event->header.size;
831 size -= (void *)&event->attr.id - (void *)event;
832 mem_bswap_64(event->attr.id, size);
835 static void perf_event__event_update_swap(union perf_event *event,
836 bool sample_id_all __maybe_unused)
838 event->event_update.type = bswap_64(event->event_update.type);
839 event->event_update.id = bswap_64(event->event_update.id);
842 static void perf_event__event_type_swap(union perf_event *event,
843 bool sample_id_all __maybe_unused)
845 event->event_type.event_type.event_id =
846 bswap_64(event->event_type.event_type.event_id);
849 static void perf_event__tracing_data_swap(union perf_event *event,
850 bool sample_id_all __maybe_unused)
852 event->tracing_data.size = bswap_32(event->tracing_data.size);
855 static void perf_event__auxtrace_info_swap(union perf_event *event,
856 bool sample_id_all __maybe_unused)
860 event->auxtrace_info.type = bswap_32(event->auxtrace_info.type);
862 size = event->header.size;
863 size -= (void *)&event->auxtrace_info.priv - (void *)event;
864 mem_bswap_64(event->auxtrace_info.priv, size);
867 static void perf_event__auxtrace_swap(union perf_event *event,
868 bool sample_id_all __maybe_unused)
870 event->auxtrace.size = bswap_64(event->auxtrace.size);
871 event->auxtrace.offset = bswap_64(event->auxtrace.offset);
872 event->auxtrace.reference = bswap_64(event->auxtrace.reference);
873 event->auxtrace.idx = bswap_32(event->auxtrace.idx);
874 event->auxtrace.tid = bswap_32(event->auxtrace.tid);
875 event->auxtrace.cpu = bswap_32(event->auxtrace.cpu);
878 static void perf_event__auxtrace_error_swap(union perf_event *event,
879 bool sample_id_all __maybe_unused)
881 event->auxtrace_error.type = bswap_32(event->auxtrace_error.type);
882 event->auxtrace_error.code = bswap_32(event->auxtrace_error.code);
883 event->auxtrace_error.cpu = bswap_32(event->auxtrace_error.cpu);
884 event->auxtrace_error.pid = bswap_32(event->auxtrace_error.pid);
885 event->auxtrace_error.tid = bswap_32(event->auxtrace_error.tid);
886 event->auxtrace_error.fmt = bswap_32(event->auxtrace_error.fmt);
887 event->auxtrace_error.ip = bswap_64(event->auxtrace_error.ip);
888 if (event->auxtrace_error.fmt)
889 event->auxtrace_error.time = bswap_64(event->auxtrace_error.time);
892 static void perf_event__thread_map_swap(union perf_event *event,
893 bool sample_id_all __maybe_unused)
897 event->thread_map.nr = bswap_64(event->thread_map.nr);
899 for (i = 0; i < event->thread_map.nr; i++)
900 event->thread_map.entries[i].pid = bswap_64(event->thread_map.entries[i].pid);
903 static void perf_event__cpu_map_swap(union perf_event *event,
904 bool sample_id_all __maybe_unused)
906 struct perf_record_cpu_map_data *data = &event->cpu_map.data;
907 struct cpu_map_entries *cpus;
908 struct perf_record_record_cpu_map *mask;
911 data->type = bswap_16(data->type);
913 switch (data->type) {
914 case PERF_CPU_MAP__CPUS:
915 cpus = (struct cpu_map_entries *)data->data;
917 cpus->nr = bswap_16(cpus->nr);
919 for (i = 0; i < cpus->nr; i++)
920 cpus->cpu[i] = bswap_16(cpus->cpu[i]);
922 case PERF_CPU_MAP__MASK:
923 mask = (struct perf_record_record_cpu_map *)data->data;
925 mask->nr = bswap_16(mask->nr);
926 mask->long_size = bswap_16(mask->long_size);
928 switch (mask->long_size) {
929 case 4: mem_bswap_32(&mask->mask, mask->nr); break;
930 case 8: mem_bswap_64(&mask->mask, mask->nr); break;
932 pr_err("cpu_map swap: unsupported long size\n");
939 static void perf_event__stat_config_swap(union perf_event *event,
940 bool sample_id_all __maybe_unused)
944 size = bswap_64(event->stat_config.nr) * sizeof(event->stat_config.data[0]);
945 size += 1; /* nr item itself */
946 mem_bswap_64(&event->stat_config.nr, size);
949 static void perf_event__stat_swap(union perf_event *event,
950 bool sample_id_all __maybe_unused)
952 event->stat.id = bswap_64(event->stat.id);
953 event->stat.thread = bswap_32(event->stat.thread);
954 event->stat.cpu = bswap_32(event->stat.cpu);
955 event->stat.val = bswap_64(event->stat.val);
956 event->stat.ena = bswap_64(event->stat.ena);
957 event->stat.run = bswap_64(event->stat.run);
960 static void perf_event__stat_round_swap(union perf_event *event,
961 bool sample_id_all __maybe_unused)
963 event->stat_round.type = bswap_64(event->stat_round.type);
964 event->stat_round.time = bswap_64(event->stat_round.time);
967 static void perf_event__time_conv_swap(union perf_event *event,
968 bool sample_id_all __maybe_unused)
970 event->time_conv.time_shift = bswap_64(event->time_conv.time_shift);
971 event->time_conv.time_mult = bswap_64(event->time_conv.time_mult);
972 event->time_conv.time_zero = bswap_64(event->time_conv.time_zero);
974 if (event_contains(event->time_conv, time_cycles)) {
975 event->time_conv.time_cycles = bswap_64(event->time_conv.time_cycles);
976 event->time_conv.time_mask = bswap_64(event->time_conv.time_mask);
980 typedef void (*perf_event__swap_op)(union perf_event *event,
983 static perf_event__swap_op perf_event__swap_ops[] = {
984 [PERF_RECORD_MMAP] = perf_event__mmap_swap,
985 [PERF_RECORD_MMAP2] = perf_event__mmap2_swap,
986 [PERF_RECORD_COMM] = perf_event__comm_swap,
987 [PERF_RECORD_FORK] = perf_event__task_swap,
988 [PERF_RECORD_EXIT] = perf_event__task_swap,
989 [PERF_RECORD_LOST] = perf_event__all64_swap,
990 [PERF_RECORD_READ] = perf_event__read_swap,
991 [PERF_RECORD_THROTTLE] = perf_event__throttle_swap,
992 [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap,
993 [PERF_RECORD_SAMPLE] = perf_event__all64_swap,
994 [PERF_RECORD_AUX] = perf_event__aux_swap,
995 [PERF_RECORD_ITRACE_START] = perf_event__itrace_start_swap,
996 [PERF_RECORD_LOST_SAMPLES] = perf_event__all64_swap,
997 [PERF_RECORD_SWITCH] = perf_event__switch_swap,
998 [PERF_RECORD_SWITCH_CPU_WIDE] = perf_event__switch_swap,
999 [PERF_RECORD_NAMESPACES] = perf_event__namespaces_swap,
1000 [PERF_RECORD_CGROUP] = perf_event__cgroup_swap,
1001 [PERF_RECORD_TEXT_POKE] = perf_event__text_poke_swap,
1002 [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap,
1003 [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap,
1004 [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap,
1005 [PERF_RECORD_HEADER_BUILD_ID] = NULL,
1006 [PERF_RECORD_ID_INDEX] = perf_event__all64_swap,
1007 [PERF_RECORD_AUXTRACE_INFO] = perf_event__auxtrace_info_swap,
1008 [PERF_RECORD_AUXTRACE] = perf_event__auxtrace_swap,
1009 [PERF_RECORD_AUXTRACE_ERROR] = perf_event__auxtrace_error_swap,
1010 [PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap,
1011 [PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap,
1012 [PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap,
1013 [PERF_RECORD_STAT] = perf_event__stat_swap,
1014 [PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap,
1015 [PERF_RECORD_EVENT_UPDATE] = perf_event__event_update_swap,
1016 [PERF_RECORD_TIME_CONV] = perf_event__time_conv_swap,
1017 [PERF_RECORD_HEADER_MAX] = NULL,
1021 * When perf record finishes a pass on every buffers, it records this pseudo
1023 * We record the max timestamp t found in the pass n.
1024 * Assuming these timestamps are monotonic across cpus, we know that if
1025 * a buffer still has events with timestamps below t, they will be all
1026 * available and then read in the pass n + 1.
1027 * Hence when we start to read the pass n + 2, we can safely flush every
1028 * events with timestamps below t.
1030 * ============ PASS n =================
1033 * cnt1 timestamps | cnt2 timestamps
1036 * - | 4 <--- max recorded
1038 * ============ PASS n + 1 ==============
1041 * cnt1 timestamps | cnt2 timestamps
1044 * 5 | 7 <---- max recorded
1046 * Flush every events below timestamp 4
1048 * ============ PASS n + 2 ==============
1051 * cnt1 timestamps | cnt2 timestamps
1056 * Flush every events below timestamp 7
1059 static int process_finished_round(struct perf_tool *tool __maybe_unused,
1060 union perf_event *event __maybe_unused,
1061 struct ordered_events *oe)
1064 fprintf(stdout, "\n");
1065 return ordered_events__flush(oe, OE_FLUSH__ROUND);
1068 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
1069 u64 timestamp, u64 file_offset)
1071 return ordered_events__queue(&s->ordered_events, event, timestamp, file_offset);
1074 static void callchain__lbr_callstack_printf(struct perf_sample *sample)
1076 struct ip_callchain *callchain = sample->callchain;
1077 struct branch_stack *lbr_stack = sample->branch_stack;
1078 struct branch_entry *entries = perf_sample__branch_entries(sample);
1079 u64 kernel_callchain_nr = callchain->nr;
1082 for (i = 0; i < kernel_callchain_nr; i++) {
1083 if (callchain->ips[i] == PERF_CONTEXT_USER)
1087 if ((i != kernel_callchain_nr) && lbr_stack->nr) {
1090 * LBR callstack can only get user call chain,
1091 * i is kernel call chain number,
1092 * 1 is PERF_CONTEXT_USER.
1094 * The user call chain is stored in LBR registers.
1095 * LBR are pair registers. The caller is stored
1096 * in "from" register, while the callee is stored
1098 * For example, there is a call stack
1099 * "A"->"B"->"C"->"D".
1100 * The LBR registers will be recorded like
1101 * "C"->"D", "B"->"C", "A"->"B".
1102 * So only the first "to" register and all "from"
1103 * registers are needed to construct the whole stack.
1105 total_nr = i + 1 + lbr_stack->nr + 1;
1106 kernel_callchain_nr = i + 1;
1108 printf("... LBR call chain: nr:%" PRIu64 "\n", total_nr);
1110 for (i = 0; i < kernel_callchain_nr; i++)
1111 printf("..... %2d: %016" PRIx64 "\n",
1112 i, callchain->ips[i]);
1114 printf("..... %2d: %016" PRIx64 "\n",
1115 (int)(kernel_callchain_nr), entries[0].to);
1116 for (i = 0; i < lbr_stack->nr; i++)
1117 printf("..... %2d: %016" PRIx64 "\n",
1118 (int)(i + kernel_callchain_nr + 1), entries[i].from);
1122 static void callchain__printf(struct evsel *evsel,
1123 struct perf_sample *sample)
1126 struct ip_callchain *callchain = sample->callchain;
1128 if (evsel__has_branch_callstack(evsel))
1129 callchain__lbr_callstack_printf(sample);
1131 printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr);
1133 for (i = 0; i < callchain->nr; i++)
1134 printf("..... %2d: %016" PRIx64 "\n",
1135 i, callchain->ips[i]);
1138 static void branch_stack__printf(struct perf_sample *sample, bool callstack)
1140 struct branch_entry *entries = perf_sample__branch_entries(sample);
1143 printf("%s: nr:%" PRIu64 "\n",
1144 !callstack ? "... branch stack" : "... branch callstack",
1145 sample->branch_stack->nr);
1147 for (i = 0; i < sample->branch_stack->nr; i++) {
1148 struct branch_entry *e = &entries[i];
1151 printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n",
1153 (unsigned short)e->flags.cycles,
1154 e->flags.mispred ? "M" : " ",
1155 e->flags.predicted ? "P" : " ",
1156 e->flags.abort ? "A" : " ",
1157 e->flags.in_tx ? "T" : " ",
1158 (unsigned)e->flags.reserved);
1160 printf("..... %2"PRIu64": %016" PRIx64 "\n",
1161 i, i > 0 ? e->from : e->to);
1166 static void regs_dump__printf(u64 mask, u64 *regs)
1168 unsigned rid, i = 0;
1170 for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) {
1171 u64 val = regs[i++];
1173 printf(".... %-5s 0x%016" PRIx64 "\n",
1174 perf_reg_name(rid), val);
1178 static const char *regs_abi[] = {
1179 [PERF_SAMPLE_REGS_ABI_NONE] = "none",
1180 [PERF_SAMPLE_REGS_ABI_32] = "32-bit",
1181 [PERF_SAMPLE_REGS_ABI_64] = "64-bit",
1184 static inline const char *regs_dump_abi(struct regs_dump *d)
1186 if (d->abi > PERF_SAMPLE_REGS_ABI_64)
1189 return regs_abi[d->abi];
1192 static void regs__printf(const char *type, struct regs_dump *regs)
1194 u64 mask = regs->mask;
1196 printf("... %s regs: mask 0x%" PRIx64 " ABI %s\n",
1199 regs_dump_abi(regs));
1201 regs_dump__printf(mask, regs->regs);
1204 static void regs_user__printf(struct perf_sample *sample)
1206 struct regs_dump *user_regs = &sample->user_regs;
1208 if (user_regs->regs)
1209 regs__printf("user", user_regs);
1212 static void regs_intr__printf(struct perf_sample *sample)
1214 struct regs_dump *intr_regs = &sample->intr_regs;
1216 if (intr_regs->regs)
1217 regs__printf("intr", intr_regs);
1220 static void stack_user__printf(struct stack_dump *dump)
1222 printf("... ustack: size %" PRIu64 ", offset 0x%x\n",
1223 dump->size, dump->offset);
1226 static void evlist__print_tstamp(struct evlist *evlist, union perf_event *event, struct perf_sample *sample)
1228 u64 sample_type = __evlist__combined_sample_type(evlist);
1230 if (event->header.type != PERF_RECORD_SAMPLE &&
1231 !evlist__sample_id_all(evlist)) {
1232 fputs("-1 -1 ", stdout);
1236 if ((sample_type & PERF_SAMPLE_CPU))
1237 printf("%u ", sample->cpu);
1239 if (sample_type & PERF_SAMPLE_TIME)
1240 printf("%" PRIu64 " ", sample->time);
1243 static void sample_read__printf(struct perf_sample *sample, u64 read_format)
1245 printf("... sample_read:\n");
1247 if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
1248 printf("...... time enabled %016" PRIx64 "\n",
1249 sample->read.time_enabled);
1251 if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
1252 printf("...... time running %016" PRIx64 "\n",
1253 sample->read.time_running);
1255 if (read_format & PERF_FORMAT_GROUP) {
1258 printf(".... group nr %" PRIu64 "\n", sample->read.group.nr);
1260 for (i = 0; i < sample->read.group.nr; i++) {
1261 struct sample_read_value *value;
1263 value = &sample->read.group.values[i];
1264 printf("..... id %016" PRIx64
1265 ", value %016" PRIx64 "\n",
1266 value->id, value->value);
1269 printf("..... id %016" PRIx64 ", value %016" PRIx64 "\n",
1270 sample->read.one.id, sample->read.one.value);
1273 static void dump_event(struct evlist *evlist, union perf_event *event,
1274 u64 file_offset, struct perf_sample *sample)
1279 printf("\n%#" PRIx64 " [%#x]: event: %d\n",
1280 file_offset, event->header.size, event->header.type);
1283 if (event->header.type == PERF_RECORD_SAMPLE && evlist->trace_event_sample_raw)
1284 evlist->trace_event_sample_raw(evlist, event, sample);
1287 evlist__print_tstamp(evlist, event, sample);
1289 printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset,
1290 event->header.size, perf_event__name(event->header.type));
1293 char *get_page_size_name(u64 size, char *str)
1295 if (!size || !unit_number__scnprintf(str, PAGE_SIZE_NAME_LEN, size))
1296 snprintf(str, PAGE_SIZE_NAME_LEN, "%s", "N/A");
1301 static void dump_sample(struct evsel *evsel, union perf_event *event,
1302 struct perf_sample *sample)
1305 char str[PAGE_SIZE_NAME_LEN];
1310 printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n",
1311 event->header.misc, sample->pid, sample->tid, sample->ip,
1312 sample->period, sample->addr);
1314 sample_type = evsel->core.attr.sample_type;
1316 if (evsel__has_callchain(evsel))
1317 callchain__printf(evsel, sample);
1319 if (evsel__has_br_stack(evsel))
1320 branch_stack__printf(sample, evsel__has_branch_callstack(evsel));
1322 if (sample_type & PERF_SAMPLE_REGS_USER)
1323 regs_user__printf(sample);
1325 if (sample_type & PERF_SAMPLE_REGS_INTR)
1326 regs_intr__printf(sample);
1328 if (sample_type & PERF_SAMPLE_STACK_USER)
1329 stack_user__printf(&sample->user_stack);
1331 if (sample_type & PERF_SAMPLE_WEIGHT_TYPE) {
1332 printf("... weight: %" PRIu64 "", sample->weight);
1333 if (sample_type & PERF_SAMPLE_WEIGHT_STRUCT) {
1334 printf(",0x%"PRIx16"", sample->ins_lat);
1335 printf(",0x%"PRIx16"", sample->p_stage_cyc);
1340 if (sample_type & PERF_SAMPLE_DATA_SRC)
1341 printf(" . data_src: 0x%"PRIx64"\n", sample->data_src);
1343 if (sample_type & PERF_SAMPLE_PHYS_ADDR)
1344 printf(" .. phys_addr: 0x%"PRIx64"\n", sample->phys_addr);
1346 if (sample_type & PERF_SAMPLE_DATA_PAGE_SIZE)
1347 printf(" .. data page size: %s\n", get_page_size_name(sample->data_page_size, str));
1349 if (sample_type & PERF_SAMPLE_CODE_PAGE_SIZE)
1350 printf(" .. code page size: %s\n", get_page_size_name(sample->code_page_size, str));
1352 if (sample_type & PERF_SAMPLE_TRANSACTION)
1353 printf("... transaction: %" PRIx64 "\n", sample->transaction);
1355 if (sample_type & PERF_SAMPLE_READ)
1356 sample_read__printf(sample, evsel->core.attr.read_format);
1359 static void dump_read(struct evsel *evsel, union perf_event *event)
1361 struct perf_record_read *read_event = &event->read;
1367 printf(": %d %d %s %" PRI_lu64 "\n", event->read.pid, event->read.tid,
1368 evsel__name(evsel), event->read.value);
1373 read_format = evsel->core.attr.read_format;
1375 if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
1376 printf("... time enabled : %" PRI_lu64 "\n", read_event->time_enabled);
1378 if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
1379 printf("... time running : %" PRI_lu64 "\n", read_event->time_running);
1381 if (read_format & PERF_FORMAT_ID)
1382 printf("... id : %" PRI_lu64 "\n", read_event->id);
1385 static struct machine *machines__find_for_cpumode(struct machines *machines,
1386 union perf_event *event,
1387 struct perf_sample *sample)
1390 ((sample->cpumode == PERF_RECORD_MISC_GUEST_KERNEL) ||
1391 (sample->cpumode == PERF_RECORD_MISC_GUEST_USER))) {
1394 if (event->header.type == PERF_RECORD_MMAP
1395 || event->header.type == PERF_RECORD_MMAP2)
1396 pid = event->mmap.pid;
1400 return machines__find_guest(machines, pid);
1403 return &machines->host;
1406 static int deliver_sample_value(struct evlist *evlist,
1407 struct perf_tool *tool,
1408 union perf_event *event,
1409 struct perf_sample *sample,
1410 struct sample_read_value *v,
1411 struct machine *machine)
1413 struct perf_sample_id *sid = evlist__id2sid(evlist, v->id);
1414 struct evsel *evsel;
1418 sample->period = v->value - sid->period;
1419 sid->period = v->value;
1422 if (!sid || sid->evsel == NULL) {
1423 ++evlist->stats.nr_unknown_id;
1428 * There's no reason to deliver sample
1429 * for zero period, bail out.
1431 if (!sample->period)
1434 evsel = container_of(sid->evsel, struct evsel, core);
1435 return tool->sample(tool, event, sample, evsel, machine);
1438 static int deliver_sample_group(struct evlist *evlist,
1439 struct perf_tool *tool,
1440 union perf_event *event,
1441 struct perf_sample *sample,
1442 struct machine *machine)
1447 for (i = 0; i < sample->read.group.nr; i++) {
1448 ret = deliver_sample_value(evlist, tool, event, sample,
1449 &sample->read.group.values[i],
1458 static int evlist__deliver_sample(struct evlist *evlist, struct perf_tool *tool,
1459 union perf_event *event, struct perf_sample *sample,
1460 struct evsel *evsel, struct machine *machine)
1462 /* We know evsel != NULL. */
1463 u64 sample_type = evsel->core.attr.sample_type;
1464 u64 read_format = evsel->core.attr.read_format;
1466 /* Standard sample delivery. */
1467 if (!(sample_type & PERF_SAMPLE_READ))
1468 return tool->sample(tool, event, sample, evsel, machine);
1470 /* For PERF_SAMPLE_READ we have either single or group mode. */
1471 if (read_format & PERF_FORMAT_GROUP)
1472 return deliver_sample_group(evlist, tool, event, sample,
1475 return deliver_sample_value(evlist, tool, event, sample,
1476 &sample->read.one, machine);
1479 static int machines__deliver_event(struct machines *machines,
1480 struct evlist *evlist,
1481 union perf_event *event,
1482 struct perf_sample *sample,
1483 struct perf_tool *tool, u64 file_offset)
1485 struct evsel *evsel;
1486 struct machine *machine;
1488 dump_event(evlist, event, file_offset, sample);
1490 evsel = evlist__id2evsel(evlist, sample->id);
1492 machine = machines__find_for_cpumode(machines, event, sample);
1494 switch (event->header.type) {
1495 case PERF_RECORD_SAMPLE:
1496 if (evsel == NULL) {
1497 ++evlist->stats.nr_unknown_id;
1500 dump_sample(evsel, event, sample);
1501 if (machine == NULL) {
1502 ++evlist->stats.nr_unprocessable_samples;
1505 return evlist__deliver_sample(evlist, tool, event, sample, evsel, machine);
1506 case PERF_RECORD_MMAP:
1507 return tool->mmap(tool, event, sample, machine);
1508 case PERF_RECORD_MMAP2:
1509 if (event->header.misc & PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT)
1510 ++evlist->stats.nr_proc_map_timeout;
1511 return tool->mmap2(tool, event, sample, machine);
1512 case PERF_RECORD_COMM:
1513 return tool->comm(tool, event, sample, machine);
1514 case PERF_RECORD_NAMESPACES:
1515 return tool->namespaces(tool, event, sample, machine);
1516 case PERF_RECORD_CGROUP:
1517 return tool->cgroup(tool, event, sample, machine);
1518 case PERF_RECORD_FORK:
1519 return tool->fork(tool, event, sample, machine);
1520 case PERF_RECORD_EXIT:
1521 return tool->exit(tool, event, sample, machine);
1522 case PERF_RECORD_LOST:
1523 if (tool->lost == perf_event__process_lost)
1524 evlist->stats.total_lost += event->lost.lost;
1525 return tool->lost(tool, event, sample, machine);
1526 case PERF_RECORD_LOST_SAMPLES:
1527 if (tool->lost_samples == perf_event__process_lost_samples)
1528 evlist->stats.total_lost_samples += event->lost_samples.lost;
1529 return tool->lost_samples(tool, event, sample, machine);
1530 case PERF_RECORD_READ:
1531 dump_read(evsel, event);
1532 return tool->read(tool, event, sample, evsel, machine);
1533 case PERF_RECORD_THROTTLE:
1534 return tool->throttle(tool, event, sample, machine);
1535 case PERF_RECORD_UNTHROTTLE:
1536 return tool->unthrottle(tool, event, sample, machine);
1537 case PERF_RECORD_AUX:
1538 if (tool->aux == perf_event__process_aux) {
1539 if (event->aux.flags & PERF_AUX_FLAG_TRUNCATED)
1540 evlist->stats.total_aux_lost += 1;
1541 if (event->aux.flags & PERF_AUX_FLAG_PARTIAL)
1542 evlist->stats.total_aux_partial += 1;
1544 return tool->aux(tool, event, sample, machine);
1545 case PERF_RECORD_ITRACE_START:
1546 return tool->itrace_start(tool, event, sample, machine);
1547 case PERF_RECORD_SWITCH:
1548 case PERF_RECORD_SWITCH_CPU_WIDE:
1549 return tool->context_switch(tool, event, sample, machine);
1550 case PERF_RECORD_KSYMBOL:
1551 return tool->ksymbol(tool, event, sample, machine);
1552 case PERF_RECORD_BPF_EVENT:
1553 return tool->bpf(tool, event, sample, machine);
1554 case PERF_RECORD_TEXT_POKE:
1555 return tool->text_poke(tool, event, sample, machine);
1557 ++evlist->stats.nr_unknown_events;
1562 static int perf_session__deliver_event(struct perf_session *session,
1563 union perf_event *event,
1564 struct perf_tool *tool,
1567 struct perf_sample sample;
1568 int ret = evlist__parse_sample(session->evlist, event, &sample);
1571 pr_err("Can't parse sample, err = %d\n", ret);
1575 ret = auxtrace__process_event(session, event, &sample, tool);
1581 ret = machines__deliver_event(&session->machines, session->evlist,
1582 event, &sample, tool, file_offset);
1584 if (dump_trace && sample.aux_sample.size)
1585 auxtrace__dump_auxtrace_sample(session, &sample);
1590 static s64 perf_session__process_user_event(struct perf_session *session,
1591 union perf_event *event,
1594 struct ordered_events *oe = &session->ordered_events;
1595 struct perf_tool *tool = session->tool;
1596 struct perf_sample sample = { .time = 0, };
1597 int fd = perf_data__fd(session->data);
1600 if (event->header.type != PERF_RECORD_COMPRESSED ||
1601 tool->compressed == perf_session__process_compressed_event_stub)
1602 dump_event(session->evlist, event, file_offset, &sample);
1604 /* These events are processed right away */
1605 switch (event->header.type) {
1606 case PERF_RECORD_HEADER_ATTR:
1607 err = tool->attr(tool, event, &session->evlist);
1609 perf_session__set_id_hdr_size(session);
1610 perf_session__set_comm_exec(session);
1613 case PERF_RECORD_EVENT_UPDATE:
1614 return tool->event_update(tool, event, &session->evlist);
1615 case PERF_RECORD_HEADER_EVENT_TYPE:
1617 * Deprecated, but we need to handle it for sake
1618 * of old data files create in pipe mode.
1621 case PERF_RECORD_HEADER_TRACING_DATA:
1623 * Setup for reading amidst mmap, but only when we
1624 * are in 'file' mode. The 'pipe' fd is in proper
1627 if (!perf_data__is_pipe(session->data))
1628 lseek(fd, file_offset, SEEK_SET);
1629 return tool->tracing_data(session, event);
1630 case PERF_RECORD_HEADER_BUILD_ID:
1631 return tool->build_id(session, event);
1632 case PERF_RECORD_FINISHED_ROUND:
1633 return tool->finished_round(tool, event, oe);
1634 case PERF_RECORD_ID_INDEX:
1635 return tool->id_index(session, event);
1636 case PERF_RECORD_AUXTRACE_INFO:
1637 return tool->auxtrace_info(session, event);
1638 case PERF_RECORD_AUXTRACE:
1639 /* setup for reading amidst mmap */
1640 lseek(fd, file_offset + event->header.size, SEEK_SET);
1641 return tool->auxtrace(session, event);
1642 case PERF_RECORD_AUXTRACE_ERROR:
1643 perf_session__auxtrace_error_inc(session, event);
1644 return tool->auxtrace_error(session, event);
1645 case PERF_RECORD_THREAD_MAP:
1646 return tool->thread_map(session, event);
1647 case PERF_RECORD_CPU_MAP:
1648 return tool->cpu_map(session, event);
1649 case PERF_RECORD_STAT_CONFIG:
1650 return tool->stat_config(session, event);
1651 case PERF_RECORD_STAT:
1652 return tool->stat(session, event);
1653 case PERF_RECORD_STAT_ROUND:
1654 return tool->stat_round(session, event);
1655 case PERF_RECORD_TIME_CONV:
1656 session->time_conv = event->time_conv;
1657 return tool->time_conv(session, event);
1658 case PERF_RECORD_HEADER_FEATURE:
1659 return tool->feature(session, event);
1660 case PERF_RECORD_COMPRESSED:
1661 err = tool->compressed(session, event, file_offset);
1663 dump_event(session->evlist, event, file_offset, &sample);
1670 int perf_session__deliver_synth_event(struct perf_session *session,
1671 union perf_event *event,
1672 struct perf_sample *sample)
1674 struct evlist *evlist = session->evlist;
1675 struct perf_tool *tool = session->tool;
1677 events_stats__inc(&evlist->stats, event->header.type);
1679 if (event->header.type >= PERF_RECORD_USER_TYPE_START)
1680 return perf_session__process_user_event(session, event, 0);
1682 return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0);
1685 static void event_swap(union perf_event *event, bool sample_id_all)
1687 perf_event__swap_op swap;
1689 swap = perf_event__swap_ops[event->header.type];
1691 swap(event, sample_id_all);
1694 int perf_session__peek_event(struct perf_session *session, off_t file_offset,
1695 void *buf, size_t buf_sz,
1696 union perf_event **event_ptr,
1697 struct perf_sample *sample)
1699 union perf_event *event;
1700 size_t hdr_sz, rest;
1703 if (session->one_mmap && !session->header.needs_swap) {
1704 event = file_offset - session->one_mmap_offset +
1705 session->one_mmap_addr;
1706 goto out_parse_sample;
1709 if (perf_data__is_pipe(session->data))
1712 fd = perf_data__fd(session->data);
1713 hdr_sz = sizeof(struct perf_event_header);
1715 if (buf_sz < hdr_sz)
1718 if (lseek(fd, file_offset, SEEK_SET) == (off_t)-1 ||
1719 readn(fd, buf, hdr_sz) != (ssize_t)hdr_sz)
1722 event = (union perf_event *)buf;
1724 if (session->header.needs_swap)
1725 perf_event_header__bswap(&event->header);
1727 if (event->header.size < hdr_sz || event->header.size > buf_sz)
1731 rest = event->header.size - hdr_sz;
1733 if (readn(fd, buf, rest) != (ssize_t)rest)
1736 if (session->header.needs_swap)
1737 event_swap(event, evlist__sample_id_all(session->evlist));
1741 if (sample && event->header.type < PERF_RECORD_USER_TYPE_START &&
1742 evlist__parse_sample(session->evlist, event, sample))
1750 int perf_session__peek_events(struct perf_session *session, u64 offset,
1751 u64 size, peek_events_cb_t cb, void *data)
1753 u64 max_offset = offset + size;
1754 char buf[PERF_SAMPLE_MAX_SIZE];
1755 union perf_event *event;
1759 err = perf_session__peek_event(session, offset, buf,
1760 PERF_SAMPLE_MAX_SIZE, &event,
1765 err = cb(session, event, offset, data);
1769 offset += event->header.size;
1770 if (event->header.type == PERF_RECORD_AUXTRACE)
1771 offset += event->auxtrace.size;
1773 } while (offset < max_offset);
1778 static s64 perf_session__process_event(struct perf_session *session,
1779 union perf_event *event, u64 file_offset)
1781 struct evlist *evlist = session->evlist;
1782 struct perf_tool *tool = session->tool;
1785 if (session->header.needs_swap)
1786 event_swap(event, evlist__sample_id_all(evlist));
1788 if (event->header.type >= PERF_RECORD_HEADER_MAX)
1791 events_stats__inc(&evlist->stats, event->header.type);
1793 if (event->header.type >= PERF_RECORD_USER_TYPE_START)
1794 return perf_session__process_user_event(session, event, file_offset);
1796 if (tool->ordered_events) {
1797 u64 timestamp = -1ULL;
1799 ret = evlist__parse_sample_timestamp(evlist, event, ×tamp);
1800 if (ret && ret != -1)
1803 ret = perf_session__queue_event(session, event, timestamp, file_offset);
1808 return perf_session__deliver_event(session, event, tool, file_offset);
1811 void perf_event_header__bswap(struct perf_event_header *hdr)
1813 hdr->type = bswap_32(hdr->type);
1814 hdr->misc = bswap_16(hdr->misc);
1815 hdr->size = bswap_16(hdr->size);
1818 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid)
1820 return machine__findnew_thread(&session->machines.host, -1, pid);
1823 int perf_session__register_idle_thread(struct perf_session *session)
1825 struct thread *thread = machine__idle_thread(&session->machines.host);
1827 /* machine__idle_thread() got the thread, so put it */
1828 thread__put(thread);
1829 return thread ? 0 : -1;
1833 perf_session__warn_order(const struct perf_session *session)
1835 const struct ordered_events *oe = &session->ordered_events;
1836 struct evsel *evsel;
1837 bool should_warn = true;
1839 evlist__for_each_entry(session->evlist, evsel) {
1840 if (evsel->core.attr.write_backward)
1841 should_warn = false;
1846 if (oe->nr_unordered_events != 0)
1847 ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events);
1850 static void perf_session__warn_about_errors(const struct perf_session *session)
1852 const struct events_stats *stats = &session->evlist->stats;
1854 if (session->tool->lost == perf_event__process_lost &&
1855 stats->nr_events[PERF_RECORD_LOST] != 0) {
1856 ui__warning("Processed %d events and lost %d chunks!\n\n"
1857 "Check IO/CPU overload!\n\n",
1858 stats->nr_events[0],
1859 stats->nr_events[PERF_RECORD_LOST]);
1862 if (session->tool->lost_samples == perf_event__process_lost_samples) {
1865 drop_rate = (double)stats->total_lost_samples /
1866 (double) (stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples);
1867 if (drop_rate > 0.05) {
1868 ui__warning("Processed %" PRIu64 " samples and lost %3.2f%%!\n\n",
1869 stats->nr_events[PERF_RECORD_SAMPLE] + stats->total_lost_samples,
1874 if (session->tool->aux == perf_event__process_aux &&
1875 stats->total_aux_lost != 0) {
1876 ui__warning("AUX data lost %" PRIu64 " times out of %u!\n\n",
1877 stats->total_aux_lost,
1878 stats->nr_events[PERF_RECORD_AUX]);
1881 if (session->tool->aux == perf_event__process_aux &&
1882 stats->total_aux_partial != 0) {
1883 bool vmm_exclusive = false;
1885 (void)sysfs__read_bool("module/kvm_intel/parameters/vmm_exclusive",
1888 ui__warning("AUX data had gaps in it %" PRIu64 " times out of %u!\n\n"
1889 "Are you running a KVM guest in the background?%s\n\n",
1890 stats->total_aux_partial,
1891 stats->nr_events[PERF_RECORD_AUX],
1893 "\nReloading kvm_intel module with vmm_exclusive=0\n"
1894 "will reduce the gaps to only guest's timeslices." :
1898 if (stats->nr_unknown_events != 0) {
1899 ui__warning("Found %u unknown events!\n\n"
1900 "Is this an older tool processing a perf.data "
1901 "file generated by a more recent tool?\n\n"
1902 "If that is not the case, consider "
1903 "reporting to linux-kernel@vger.kernel.org.\n\n",
1904 stats->nr_unknown_events);
1907 if (stats->nr_unknown_id != 0) {
1908 ui__warning("%u samples with id not present in the header\n",
1909 stats->nr_unknown_id);
1912 if (stats->nr_invalid_chains != 0) {
1913 ui__warning("Found invalid callchains!\n\n"
1914 "%u out of %u events were discarded for this reason.\n\n"
1915 "Consider reporting to linux-kernel@vger.kernel.org.\n\n",
1916 stats->nr_invalid_chains,
1917 stats->nr_events[PERF_RECORD_SAMPLE]);
1920 if (stats->nr_unprocessable_samples != 0) {
1921 ui__warning("%u unprocessable samples recorded.\n"
1922 "Do you have a KVM guest running and not using 'perf kvm'?\n",
1923 stats->nr_unprocessable_samples);
1926 perf_session__warn_order(session);
1928 events_stats__auxtrace_error_warn(stats);
1930 if (stats->nr_proc_map_timeout != 0) {
1931 ui__warning("%d map information files for pre-existing threads were\n"
1932 "not processed, if there are samples for addresses they\n"
1933 "will not be resolved, you may find out which are these\n"
1934 "threads by running with -v and redirecting the output\n"
1936 "The time limit to process proc map is too short?\n"
1937 "Increase it by --proc-map-timeout\n",
1938 stats->nr_proc_map_timeout);
1942 static int perf_session__flush_thread_stack(struct thread *thread,
1943 void *p __maybe_unused)
1945 return thread_stack__flush(thread);
1948 static int perf_session__flush_thread_stacks(struct perf_session *session)
1950 return machines__for_each_thread(&session->machines,
1951 perf_session__flush_thread_stack,
1955 volatile int session_done;
1957 static int __perf_session__process_decomp_events(struct perf_session *session);
1959 static int __perf_session__process_pipe_events(struct perf_session *session)
1961 struct ordered_events *oe = &session->ordered_events;
1962 struct perf_tool *tool = session->tool;
1963 union perf_event *event;
1964 uint32_t size, cur_size = 0;
1971 perf_tool__fill_defaults(tool);
1974 cur_size = sizeof(union perf_event);
1976 buf = malloc(cur_size);
1979 ordered_events__set_copy_on_queue(oe, true);
1982 err = perf_data__read(session->data, event,
1983 sizeof(struct perf_event_header));
1988 pr_err("failed to read event header\n");
1992 if (session->header.needs_swap)
1993 perf_event_header__bswap(&event->header);
1995 size = event->header.size;
1996 if (size < sizeof(struct perf_event_header)) {
1997 pr_err("bad event header size\n");
2001 if (size > cur_size) {
2002 void *new = realloc(buf, size);
2004 pr_err("failed to allocate memory to read event\n");
2012 p += sizeof(struct perf_event_header);
2014 if (size - sizeof(struct perf_event_header)) {
2015 err = perf_data__read(session->data, p,
2016 size - sizeof(struct perf_event_header));
2019 pr_err("unexpected end of event stream\n");
2023 pr_err("failed to read event data\n");
2028 if ((skip = perf_session__process_event(session, event, head)) < 0) {
2029 pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",
2030 head, event->header.size, event->header.type);
2040 err = __perf_session__process_decomp_events(session);
2044 if (!session_done())
2047 /* do the final flush for ordered samples */
2048 err = ordered_events__flush(oe, OE_FLUSH__FINAL);
2051 err = auxtrace__flush_events(session, tool);
2054 err = perf_session__flush_thread_stacks(session);
2058 perf_session__warn_about_errors(session);
2059 ordered_events__free(&session->ordered_events);
2060 auxtrace__free_events(session);
2064 static union perf_event *
2065 prefetch_event(char *buf, u64 head, size_t mmap_size,
2066 bool needs_swap, union perf_event *error)
2068 union perf_event *event;
2071 * Ensure we have enough space remaining to read
2072 * the size of the event in the headers.
2074 if (head + sizeof(event->header) > mmap_size)
2077 event = (union perf_event *)(buf + head);
2079 perf_event_header__bswap(&event->header);
2081 if (head + event->header.size <= mmap_size)
2084 /* We're not fetching the event so swap back again */
2086 perf_event_header__bswap(&event->header);
2088 pr_debug("%s: head=%#" PRIx64 " event->header_size=%#x, mmap_size=%#zx:"
2089 " fuzzed or compressed perf.data?\n",__func__, head, event->header.size, mmap_size);
2094 static union perf_event *
2095 fetch_mmaped_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)
2097 return prefetch_event(buf, head, mmap_size, needs_swap, ERR_PTR(-EINVAL));
2100 static union perf_event *
2101 fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)
2103 return prefetch_event(buf, head, mmap_size, needs_swap, NULL);
2106 static int __perf_session__process_decomp_events(struct perf_session *session)
2109 u64 size, file_pos = 0;
2110 struct decomp *decomp = session->decomp_last;
2115 while (decomp->head < decomp->size && !session_done()) {
2116 union perf_event *event = fetch_decomp_event(decomp->head, decomp->size, decomp->data,
2117 session->header.needs_swap);
2122 size = event->header.size;
2124 if (size < sizeof(struct perf_event_header) ||
2125 (skip = perf_session__process_event(session, event, file_pos)) < 0) {
2126 pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",
2127 decomp->file_pos + decomp->head, event->header.size, event->header.type);
2134 decomp->head += size;
2141 * On 64bit we can mmap the data file in one go. No need for tiny mmap
2142 * slices. On 32bit we use 32MB.
2144 #if BITS_PER_LONG == 64
2145 #define MMAP_SIZE ULLONG_MAX
2148 #define MMAP_SIZE (32 * 1024 * 1024ULL)
2149 #define NUM_MMAPS 128
2154 typedef s64 (*reader_cb_t)(struct perf_session *session,
2155 union perf_event *event,
2162 reader_cb_t process;
2163 bool in_place_update;
2167 reader__process_events(struct reader *rd, struct perf_session *session,
2168 struct ui_progress *prog)
2170 u64 data_size = rd->data_size;
2171 u64 head, page_offset, file_offset, file_pos, size;
2172 int err = 0, mmap_prot, mmap_flags, map_idx = 0;
2174 char *buf, *mmaps[NUM_MMAPS];
2175 union perf_event *event;
2178 page_offset = page_size * (rd->data_offset / page_size);
2179 file_offset = page_offset;
2180 head = rd->data_offset - page_offset;
2182 ui_progress__init_size(prog, data_size, "Processing events...");
2184 data_size += rd->data_offset;
2186 mmap_size = MMAP_SIZE;
2187 if (mmap_size > data_size) {
2188 mmap_size = data_size;
2189 session->one_mmap = true;
2192 memset(mmaps, 0, sizeof(mmaps));
2194 mmap_prot = PROT_READ;
2195 mmap_flags = MAP_SHARED;
2197 if (rd->in_place_update) {
2198 mmap_prot |= PROT_WRITE;
2199 } else if (session->header.needs_swap) {
2200 mmap_prot |= PROT_WRITE;
2201 mmap_flags = MAP_PRIVATE;
2204 buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, rd->fd,
2206 if (buf == MAP_FAILED) {
2207 pr_err("failed to mmap file\n");
2211 mmaps[map_idx] = buf;
2212 map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1);
2213 file_pos = file_offset + head;
2214 if (session->one_mmap) {
2215 session->one_mmap_addr = buf;
2216 session->one_mmap_offset = file_offset;
2220 event = fetch_mmaped_event(head, mmap_size, buf, session->header.needs_swap);
2222 return PTR_ERR(event);
2225 if (mmaps[map_idx]) {
2226 munmap(mmaps[map_idx], mmap_size);
2227 mmaps[map_idx] = NULL;
2230 page_offset = page_size * (head / page_size);
2231 file_offset += page_offset;
2232 head -= page_offset;
2236 size = event->header.size;
2240 if (size < sizeof(struct perf_event_header) ||
2241 (skip = rd->process(session, event, file_pos)) < 0) {
2242 pr_err("%#" PRIx64 " [%#x]: failed to process type: %d [%s]\n",
2243 file_offset + head, event->header.size,
2244 event->header.type, strerror(-skip));
2255 err = __perf_session__process_decomp_events(session);
2259 ui_progress__update(prog, size);
2264 if (file_pos < data_size)
2271 static s64 process_simple(struct perf_session *session,
2272 union perf_event *event,
2275 return perf_session__process_event(session, event, file_offset);
2278 static int __perf_session__process_events(struct perf_session *session)
2280 struct reader rd = {
2281 .fd = perf_data__fd(session->data),
2282 .data_size = session->header.data_size,
2283 .data_offset = session->header.data_offset,
2284 .process = process_simple,
2285 .in_place_update = session->data->in_place_update,
2287 struct ordered_events *oe = &session->ordered_events;
2288 struct perf_tool *tool = session->tool;
2289 struct ui_progress prog;
2292 perf_tool__fill_defaults(tool);
2294 if (rd.data_size == 0)
2297 ui_progress__init_size(&prog, rd.data_size, "Processing events...");
2299 err = reader__process_events(&rd, session, &prog);
2302 /* do the final flush for ordered samples */
2303 err = ordered_events__flush(oe, OE_FLUSH__FINAL);
2306 err = auxtrace__flush_events(session, tool);
2309 err = perf_session__flush_thread_stacks(session);
2311 ui_progress__finish();
2313 perf_session__warn_about_errors(session);
2315 * We may switching perf.data output, make ordered_events
2318 ordered_events__reinit(&session->ordered_events);
2319 auxtrace__free_events(session);
2320 session->one_mmap = false;
2324 int perf_session__process_events(struct perf_session *session)
2326 if (perf_session__register_idle_thread(session) < 0)
2329 if (perf_data__is_pipe(session->data))
2330 return __perf_session__process_pipe_events(session);
2332 return __perf_session__process_events(session);
2335 bool perf_session__has_traces(struct perf_session *session, const char *msg)
2337 struct evsel *evsel;
2339 evlist__for_each_entry(session->evlist, evsel) {
2340 if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT)
2344 pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg);
2348 int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name, u64 addr)
2351 struct ref_reloc_sym *ref;
2354 ref = zalloc(sizeof(struct ref_reloc_sym));
2358 ref->name = strdup(symbol_name);
2359 if (ref->name == NULL) {
2364 bracket = strchr(ref->name, ']');
2370 kmap = map__kmap(map);
2372 kmap->ref_reloc_sym = ref;
2377 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp)
2379 return machines__fprintf_dsos(&session->machines, fp);
2382 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
2383 bool (skip)(struct dso *dso, int parm), int parm)
2385 return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm);
2388 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp,
2392 const char *msg = "";
2394 if (perf_header__has_feat(&session->header, HEADER_AUXTRACE))
2395 msg = " (excludes AUX area (e.g. instruction trace) decoded / synthesized events)";
2397 ret = fprintf(fp, "\nAggregated stats:%s\n", msg);
2399 ret += events_stats__fprintf(&session->evlist->stats, fp, skip_empty);
2403 size_t perf_session__fprintf(struct perf_session *session, FILE *fp)
2406 * FIXME: Here we have to actually print all the machines in this
2407 * session, not just the host...
2409 return machine__fprintf(&session->machines.host, fp);
2412 struct evsel *perf_session__find_first_evtype(struct perf_session *session,
2417 evlist__for_each_entry(session->evlist, pos) {
2418 if (pos->core.attr.type == type)
2424 int perf_session__cpu_bitmap(struct perf_session *session,
2425 const char *cpu_list, unsigned long *cpu_bitmap)
2428 struct perf_cpu_map *map;
2429 int nr_cpus = min(session->header.env.nr_cpus_avail, MAX_NR_CPUS);
2431 for (i = 0; i < PERF_TYPE_MAX; ++i) {
2432 struct evsel *evsel;
2434 evsel = perf_session__find_first_evtype(session, i);
2438 if (!(evsel->core.attr.sample_type & PERF_SAMPLE_CPU)) {
2439 pr_err("File does not contain CPU events. "
2440 "Remove -C option to proceed.\n");
2445 map = perf_cpu_map__new(cpu_list);
2447 pr_err("Invalid cpu_list\n");
2451 for (i = 0; i < map->nr; i++) {
2452 int cpu = map->map[i];
2454 if (cpu >= nr_cpus) {
2455 pr_err("Requested CPU %d too large. "
2456 "Consider raising MAX_NR_CPUS\n", cpu);
2457 goto out_delete_map;
2460 set_bit(cpu, cpu_bitmap);
2466 perf_cpu_map__put(map);
2470 void perf_session__fprintf_info(struct perf_session *session, FILE *fp,
2473 if (session == NULL || fp == NULL)
2476 fprintf(fp, "# ========\n");
2477 perf_header__fprintf_info(session, fp, full);
2478 fprintf(fp, "# ========\n#\n");
2481 int perf_event__process_id_index(struct perf_session *session,
2482 union perf_event *event)
2484 struct evlist *evlist = session->evlist;
2485 struct perf_record_id_index *ie = &event->id_index;
2486 size_t i, nr, max_nr;
2488 max_nr = (ie->header.size - sizeof(struct perf_record_id_index)) /
2489 sizeof(struct id_index_entry);
2495 fprintf(stdout, " nr: %zu\n", nr);
2497 for (i = 0; i < nr; i++) {
2498 struct id_index_entry *e = &ie->entries[i];
2499 struct perf_sample_id *sid;
2502 fprintf(stdout, " ... id: %"PRI_lu64, e->id);
2503 fprintf(stdout, " idx: %"PRI_lu64, e->idx);
2504 fprintf(stdout, " cpu: %"PRI_ld64, e->cpu);
2505 fprintf(stdout, " tid: %"PRI_ld64"\n", e->tid);
2508 sid = evlist__id2sid(evlist, e->id);