9 #include "ui/progress.h"
12 static bool hists__filter_entry_by_dso(struct hists *hists,
13 struct hist_entry *he);
14 static bool hists__filter_entry_by_thread(struct hists *hists,
15 struct hist_entry *he);
16 static bool hists__filter_entry_by_symbol(struct hists *hists,
17 struct hist_entry *he);
18 static bool hists__filter_entry_by_socket(struct hists *hists,
19 struct hist_entry *he);
21 u16 hists__col_len(struct hists *hists, enum hist_column col)
23 return hists->col_len[col];
26 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len)
28 hists->col_len[col] = len;
31 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
33 if (len > hists__col_len(hists, col)) {
34 hists__set_col_len(hists, col, len);
40 void hists__reset_col_len(struct hists *hists)
44 for (col = 0; col < HISTC_NR_COLS; ++col)
45 hists__set_col_len(hists, col, 0);
48 static void hists__set_unres_dso_col_len(struct hists *hists, int dso)
50 const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
52 if (hists__col_len(hists, dso) < unresolved_col_width &&
53 !symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
54 !symbol_conf.dso_list)
55 hists__set_col_len(hists, dso, unresolved_col_width);
58 void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
60 const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
65 * +4 accounts for '[x] ' priv level info
66 * +2 accounts for 0x prefix on raw addresses
67 * +3 accounts for ' y ' symtab origin info
70 symlen = h->ms.sym->namelen + 4;
72 symlen += BITS_PER_LONG / 4 + 2 + 3;
73 hists__new_col_len(hists, HISTC_SYMBOL, symlen);
75 symlen = unresolved_col_width + 4 + 2;
76 hists__new_col_len(hists, HISTC_SYMBOL, symlen);
77 hists__set_unres_dso_col_len(hists, HISTC_DSO);
80 len = thread__comm_len(h->thread);
81 if (hists__new_col_len(hists, HISTC_COMM, len))
82 hists__set_col_len(hists, HISTC_THREAD, len + 6);
85 len = dso__name_len(h->ms.map->dso);
86 hists__new_col_len(hists, HISTC_DSO, len);
90 hists__new_col_len(hists, HISTC_PARENT, h->parent->namelen);
93 if (h->branch_info->from.sym) {
94 symlen = (int)h->branch_info->from.sym->namelen + 4;
96 symlen += BITS_PER_LONG / 4 + 2 + 3;
97 hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen);
99 symlen = dso__name_len(h->branch_info->from.map->dso);
100 hists__new_col_len(hists, HISTC_DSO_FROM, symlen);
102 symlen = unresolved_col_width + 4 + 2;
103 hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen);
104 hists__set_unres_dso_col_len(hists, HISTC_DSO_FROM);
107 if (h->branch_info->to.sym) {
108 symlen = (int)h->branch_info->to.sym->namelen + 4;
110 symlen += BITS_PER_LONG / 4 + 2 + 3;
111 hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen);
113 symlen = dso__name_len(h->branch_info->to.map->dso);
114 hists__new_col_len(hists, HISTC_DSO_TO, symlen);
116 symlen = unresolved_col_width + 4 + 2;
117 hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen);
118 hists__set_unres_dso_col_len(hists, HISTC_DSO_TO);
123 if (h->mem_info->daddr.sym) {
124 symlen = (int)h->mem_info->daddr.sym->namelen + 4
125 + unresolved_col_width + 2;
126 hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL,
128 hists__new_col_len(hists, HISTC_MEM_DCACHELINE,
131 symlen = unresolved_col_width + 4 + 2;
132 hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL,
136 if (h->mem_info->iaddr.sym) {
137 symlen = (int)h->mem_info->iaddr.sym->namelen + 4
138 + unresolved_col_width + 2;
139 hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL,
142 symlen = unresolved_col_width + 4 + 2;
143 hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL,
147 if (h->mem_info->daddr.map) {
148 symlen = dso__name_len(h->mem_info->daddr.map->dso);
149 hists__new_col_len(hists, HISTC_MEM_DADDR_DSO,
152 symlen = unresolved_col_width + 4 + 2;
153 hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO);
156 symlen = unresolved_col_width + 4 + 2;
157 hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen);
158 hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL, symlen);
159 hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO);
162 hists__new_col_len(hists, HISTC_CPU, 3);
163 hists__new_col_len(hists, HISTC_SOCKET, 6);
164 hists__new_col_len(hists, HISTC_MEM_LOCKED, 6);
165 hists__new_col_len(hists, HISTC_MEM_TLB, 22);
166 hists__new_col_len(hists, HISTC_MEM_SNOOP, 12);
167 hists__new_col_len(hists, HISTC_MEM_LVL, 21 + 3);
168 hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12);
169 hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12);
172 hists__new_col_len(hists, HISTC_SRCLINE, strlen(h->srcline));
175 hists__new_col_len(hists, HISTC_SRCFILE, strlen(h->srcfile));
178 hists__new_col_len(hists, HISTC_TRANSACTION,
179 hist_entry__transaction_len());
182 void hists__output_recalc_col_len(struct hists *hists, int max_rows)
184 struct rb_node *next = rb_first(&hists->entries);
185 struct hist_entry *n;
188 hists__reset_col_len(hists);
190 while (next && row++ < max_rows) {
191 n = rb_entry(next, struct hist_entry, rb_node);
193 hists__calc_col_len(hists, n);
194 next = rb_next(&n->rb_node);
198 static void he_stat__add_cpumode_period(struct he_stat *he_stat,
199 unsigned int cpumode, u64 period)
202 case PERF_RECORD_MISC_KERNEL:
203 he_stat->period_sys += period;
205 case PERF_RECORD_MISC_USER:
206 he_stat->period_us += period;
208 case PERF_RECORD_MISC_GUEST_KERNEL:
209 he_stat->period_guest_sys += period;
211 case PERF_RECORD_MISC_GUEST_USER:
212 he_stat->period_guest_us += period;
219 static void he_stat__add_period(struct he_stat *he_stat, u64 period,
223 he_stat->period += period;
224 he_stat->weight += weight;
225 he_stat->nr_events += 1;
228 static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src)
230 dest->period += src->period;
231 dest->period_sys += src->period_sys;
232 dest->period_us += src->period_us;
233 dest->period_guest_sys += src->period_guest_sys;
234 dest->period_guest_us += src->period_guest_us;
235 dest->nr_events += src->nr_events;
236 dest->weight += src->weight;
239 static void he_stat__decay(struct he_stat *he_stat)
241 he_stat->period = (he_stat->period * 7) / 8;
242 he_stat->nr_events = (he_stat->nr_events * 7) / 8;
243 /* XXX need decay for weight too? */
246 static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
248 u64 prev_period = he->stat.period;
251 if (prev_period == 0)
254 he_stat__decay(&he->stat);
255 if (symbol_conf.cumulate_callchain)
256 he_stat__decay(he->stat_acc);
258 diff = prev_period - he->stat.period;
260 hists->stats.total_period -= diff;
262 hists->stats.total_non_filtered_period -= diff;
264 return he->stat.period == 0;
267 static void hists__delete_entry(struct hists *hists, struct hist_entry *he)
269 rb_erase(&he->rb_node, &hists->entries);
271 if (sort__need_collapse)
272 rb_erase(&he->rb_node_in, &hists->entries_collapsed);
274 rb_erase(&he->rb_node_in, hists->entries_in);
278 --hists->nr_non_filtered_entries;
280 hist_entry__delete(he);
283 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
285 struct rb_node *next = rb_first(&hists->entries);
286 struct hist_entry *n;
289 n = rb_entry(next, struct hist_entry, rb_node);
290 next = rb_next(&n->rb_node);
291 if (((zap_user && n->level == '.') ||
292 (zap_kernel && n->level != '.') ||
293 hists__decay_entry(hists, n))) {
294 hists__delete_entry(hists, n);
299 void hists__delete_entries(struct hists *hists)
301 struct rb_node *next = rb_first(&hists->entries);
302 struct hist_entry *n;
305 n = rb_entry(next, struct hist_entry, rb_node);
306 next = rb_next(&n->rb_node);
308 hists__delete_entry(hists, n);
313 * histogram, sorted on item, collects periods
316 static struct hist_entry *hist_entry__new(struct hist_entry *template,
319 size_t callchain_size = 0;
320 struct hist_entry *he;
322 if (symbol_conf.use_callchain)
323 callchain_size = sizeof(struct callchain_root);
325 he = zalloc(sizeof(*he) + callchain_size);
330 if (symbol_conf.cumulate_callchain) {
331 he->stat_acc = malloc(sizeof(he->stat));
332 if (he->stat_acc == NULL) {
336 memcpy(he->stat_acc, &he->stat, sizeof(he->stat));
338 memset(&he->stat, 0, sizeof(he->stat));
341 map__get(he->ms.map);
343 if (he->branch_info) {
345 * This branch info is (a part of) allocated from
346 * sample__resolve_bstack() and will be freed after
347 * adding new entries. So we need to save a copy.
349 he->branch_info = malloc(sizeof(*he->branch_info));
350 if (he->branch_info == NULL) {
351 map__zput(he->ms.map);
357 memcpy(he->branch_info, template->branch_info,
358 sizeof(*he->branch_info));
360 map__get(he->branch_info->from.map);
361 map__get(he->branch_info->to.map);
365 map__get(he->mem_info->iaddr.map);
366 map__get(he->mem_info->daddr.map);
369 if (symbol_conf.use_callchain)
370 callchain_init(he->callchain);
373 he->raw_data = memdup(he->raw_data, he->raw_size);
375 if (he->raw_data == NULL) {
376 map__put(he->ms.map);
377 if (he->branch_info) {
378 map__put(he->branch_info->from.map);
379 map__put(he->branch_info->to.map);
380 free(he->branch_info);
383 map__put(he->mem_info->iaddr.map);
384 map__put(he->mem_info->daddr.map);
391 INIT_LIST_HEAD(&he->pairs.node);
392 thread__get(he->thread);
398 static u8 symbol__parent_filter(const struct symbol *parent)
400 if (symbol_conf.exclude_other && parent == NULL)
401 return 1 << HIST_FILTER__PARENT;
405 static struct hist_entry *hists__findnew_entry(struct hists *hists,
406 struct hist_entry *entry,
407 struct addr_location *al,
411 struct rb_node *parent = NULL;
412 struct hist_entry *he;
414 u64 period = entry->stat.period;
415 u64 weight = entry->stat.weight;
417 p = &hists->entries_in->rb_node;
421 he = rb_entry(parent, struct hist_entry, rb_node_in);
424 * Make sure that it receives arguments in a same order as
425 * hist_entry__collapse() so that we can use an appropriate
426 * function when searching an entry regardless which sort
429 cmp = hist_entry__cmp(he, entry);
433 he_stat__add_period(&he->stat, period, weight);
434 if (symbol_conf.cumulate_callchain)
435 he_stat__add_period(he->stat_acc, period, weight);
438 * This mem info was allocated from sample__resolve_mem
439 * and will not be used anymore.
441 zfree(&entry->mem_info);
443 /* If the map of an existing hist_entry has
444 * become out-of-date due to an exec() or
445 * similar, update it. Otherwise we will
446 * mis-adjust symbol addresses when computing
447 * the history counter to increment.
449 if (he->ms.map != entry->ms.map) {
450 map__put(he->ms.map);
451 he->ms.map = map__get(entry->ms.map);
462 he = hist_entry__new(entry, sample_self);
468 rb_link_node(&he->rb_node_in, parent, p);
469 rb_insert_color(&he->rb_node_in, hists->entries_in);
472 he_stat__add_cpumode_period(&he->stat, al->cpumode, period);
473 if (symbol_conf.cumulate_callchain)
474 he_stat__add_cpumode_period(he->stat_acc, al->cpumode, period);
478 struct hist_entry *__hists__add_entry(struct hists *hists,
479 struct addr_location *al,
480 struct symbol *sym_parent,
481 struct branch_info *bi,
483 struct perf_sample *sample,
486 struct hist_entry entry = {
487 .thread = al->thread,
488 .comm = thread__comm(al->thread),
493 .socket = al->socket,
495 .cpumode = al->cpumode,
500 .period = sample->period,
501 .weight = sample->weight,
503 .parent = sym_parent,
504 .filtered = symbol__parent_filter(sym_parent) | al->filtered,
508 .transaction = sample->transaction,
509 .raw_data = sample->raw_data,
510 .raw_size = sample->raw_size,
513 return hists__findnew_entry(hists, &entry, al, sample_self);
517 iter_next_nop_entry(struct hist_entry_iter *iter __maybe_unused,
518 struct addr_location *al __maybe_unused)
524 iter_add_next_nop_entry(struct hist_entry_iter *iter __maybe_unused,
525 struct addr_location *al __maybe_unused)
531 iter_prepare_mem_entry(struct hist_entry_iter *iter, struct addr_location *al)
533 struct perf_sample *sample = iter->sample;
536 mi = sample__resolve_mem(sample, al);
545 iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al)
548 struct mem_info *mi = iter->priv;
549 struct hists *hists = evsel__hists(iter->evsel);
550 struct perf_sample *sample = iter->sample;
551 struct hist_entry *he;
556 cost = sample->weight;
561 * must pass period=weight in order to get the correct
562 * sorting from hists__collapse_resort() which is solely
563 * based on periods. We want sorting be done on nr_events * weight
564 * and this is indirectly achieved by passing period=weight here
565 * and the he_stat__add_period() function.
567 sample->period = cost;
569 he = __hists__add_entry(hists, al, iter->parent, NULL, mi,
579 iter_finish_mem_entry(struct hist_entry_iter *iter,
580 struct addr_location *al __maybe_unused)
582 struct perf_evsel *evsel = iter->evsel;
583 struct hists *hists = evsel__hists(evsel);
584 struct hist_entry *he = iter->he;
590 hists__inc_nr_samples(hists, he->filtered);
592 err = hist_entry__append_callchain(he, iter->sample);
596 * We don't need to free iter->priv (mem_info) here since the mem info
597 * was either already freed in hists__findnew_entry() or passed to a
598 * new hist entry by hist_entry__new().
607 iter_prepare_branch_entry(struct hist_entry_iter *iter, struct addr_location *al)
609 struct branch_info *bi;
610 struct perf_sample *sample = iter->sample;
612 bi = sample__resolve_bstack(sample, al);
617 iter->total = sample->branch_stack->nr;
624 iter_add_single_branch_entry(struct hist_entry_iter *iter __maybe_unused,
625 struct addr_location *al __maybe_unused)
627 /* to avoid calling callback function */
634 iter_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al)
636 struct branch_info *bi = iter->priv;
642 if (iter->curr >= iter->total)
645 al->map = bi[i].to.map;
646 al->sym = bi[i].to.sym;
647 al->addr = bi[i].to.addr;
652 iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al)
654 struct branch_info *bi;
655 struct perf_evsel *evsel = iter->evsel;
656 struct hists *hists = evsel__hists(evsel);
657 struct perf_sample *sample = iter->sample;
658 struct hist_entry *he = NULL;
664 if (iter->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
668 * The report shows the percentage of total branches captured
669 * and not events sampled. Thus we use a pseudo period of 1.
672 sample->weight = bi->flags.cycles ? bi->flags.cycles : 1;
674 he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL,
679 hists__inc_nr_samples(hists, he->filtered);
688 iter_finish_branch_entry(struct hist_entry_iter *iter,
689 struct addr_location *al __maybe_unused)
694 return iter->curr >= iter->total ? 0 : -1;
698 iter_prepare_normal_entry(struct hist_entry_iter *iter __maybe_unused,
699 struct addr_location *al __maybe_unused)
705 iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location *al)
707 struct perf_evsel *evsel = iter->evsel;
708 struct perf_sample *sample = iter->sample;
709 struct hist_entry *he;
711 he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
721 iter_finish_normal_entry(struct hist_entry_iter *iter,
722 struct addr_location *al __maybe_unused)
724 struct hist_entry *he = iter->he;
725 struct perf_evsel *evsel = iter->evsel;
726 struct perf_sample *sample = iter->sample;
733 hists__inc_nr_samples(evsel__hists(evsel), he->filtered);
735 return hist_entry__append_callchain(he, sample);
739 iter_prepare_cumulative_entry(struct hist_entry_iter *iter,
740 struct addr_location *al __maybe_unused)
742 struct hist_entry **he_cache;
744 callchain_cursor_commit(&callchain_cursor);
747 * This is for detecting cycles or recursions so that they're
748 * cumulated only one time to prevent entries more than 100%
751 he_cache = malloc(sizeof(*he_cache) * (iter->max_stack + 1));
752 if (he_cache == NULL)
755 iter->priv = he_cache;
762 iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
763 struct addr_location *al)
765 struct perf_evsel *evsel = iter->evsel;
766 struct hists *hists = evsel__hists(evsel);
767 struct perf_sample *sample = iter->sample;
768 struct hist_entry **he_cache = iter->priv;
769 struct hist_entry *he;
772 he = __hists__add_entry(hists, al, iter->parent, NULL, NULL,
778 he_cache[iter->curr++] = he;
780 hist_entry__append_callchain(he, sample);
783 * We need to re-initialize the cursor since callchain_append()
784 * advanced the cursor to the end.
786 callchain_cursor_commit(&callchain_cursor);
788 hists__inc_nr_samples(hists, he->filtered);
794 iter_next_cumulative_entry(struct hist_entry_iter *iter,
795 struct addr_location *al)
797 struct callchain_cursor_node *node;
799 node = callchain_cursor_current(&callchain_cursor);
803 return fill_callchain_info(al, node, iter->hide_unresolved);
807 iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
808 struct addr_location *al)
810 struct perf_evsel *evsel = iter->evsel;
811 struct perf_sample *sample = iter->sample;
812 struct hist_entry **he_cache = iter->priv;
813 struct hist_entry *he;
814 struct hist_entry he_tmp = {
815 .hists = evsel__hists(evsel),
817 .thread = al->thread,
818 .comm = thread__comm(al->thread),
824 .parent = iter->parent,
825 .raw_data = sample->raw_data,
826 .raw_size = sample->raw_size,
829 struct callchain_cursor cursor;
831 callchain_cursor_snapshot(&cursor, &callchain_cursor);
833 callchain_cursor_advance(&callchain_cursor);
836 * Check if there's duplicate entries in the callchain.
837 * It's possible that it has cycles or recursive calls.
839 for (i = 0; i < iter->curr; i++) {
840 if (hist_entry__cmp(he_cache[i], &he_tmp) == 0) {
841 /* to avoid calling callback function */
847 he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
853 he_cache[iter->curr++] = he;
855 if (symbol_conf.use_callchain)
856 callchain_append(he->callchain, &cursor, sample->period);
861 iter_finish_cumulative_entry(struct hist_entry_iter *iter,
862 struct addr_location *al __maybe_unused)
870 const struct hist_iter_ops hist_iter_mem = {
871 .prepare_entry = iter_prepare_mem_entry,
872 .add_single_entry = iter_add_single_mem_entry,
873 .next_entry = iter_next_nop_entry,
874 .add_next_entry = iter_add_next_nop_entry,
875 .finish_entry = iter_finish_mem_entry,
878 const struct hist_iter_ops hist_iter_branch = {
879 .prepare_entry = iter_prepare_branch_entry,
880 .add_single_entry = iter_add_single_branch_entry,
881 .next_entry = iter_next_branch_entry,
882 .add_next_entry = iter_add_next_branch_entry,
883 .finish_entry = iter_finish_branch_entry,
886 const struct hist_iter_ops hist_iter_normal = {
887 .prepare_entry = iter_prepare_normal_entry,
888 .add_single_entry = iter_add_single_normal_entry,
889 .next_entry = iter_next_nop_entry,
890 .add_next_entry = iter_add_next_nop_entry,
891 .finish_entry = iter_finish_normal_entry,
894 const struct hist_iter_ops hist_iter_cumulative = {
895 .prepare_entry = iter_prepare_cumulative_entry,
896 .add_single_entry = iter_add_single_cumulative_entry,
897 .next_entry = iter_next_cumulative_entry,
898 .add_next_entry = iter_add_next_cumulative_entry,
899 .finish_entry = iter_finish_cumulative_entry,
902 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
903 int max_stack_depth, void *arg)
907 err = sample__resolve_callchain(iter->sample, &iter->parent,
908 iter->evsel, al, max_stack_depth);
912 iter->max_stack = max_stack_depth;
914 err = iter->ops->prepare_entry(iter, al);
918 err = iter->ops->add_single_entry(iter, al);
922 if (iter->he && iter->add_entry_cb) {
923 err = iter->add_entry_cb(iter, al, true, arg);
928 while (iter->ops->next_entry(iter, al)) {
929 err = iter->ops->add_next_entry(iter, al);
933 if (iter->he && iter->add_entry_cb) {
934 err = iter->add_entry_cb(iter, al, false, arg);
941 err2 = iter->ops->finish_entry(iter, al);
949 hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
951 struct perf_hpp_fmt *fmt;
954 perf_hpp__for_each_sort_list(fmt) {
955 cmp = fmt->cmp(fmt, left, right);
964 hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
966 struct perf_hpp_fmt *fmt;
969 perf_hpp__for_each_sort_list(fmt) {
970 cmp = fmt->collapse(fmt, left, right);
978 void hist_entry__delete(struct hist_entry *he)
980 thread__zput(he->thread);
981 map__zput(he->ms.map);
983 if (he->branch_info) {
984 map__zput(he->branch_info->from.map);
985 map__zput(he->branch_info->to.map);
986 zfree(&he->branch_info);
990 map__zput(he->mem_info->iaddr.map);
991 map__zput(he->mem_info->daddr.map);
992 zfree(&he->mem_info);
995 zfree(&he->stat_acc);
996 free_srcline(he->srcline);
997 if (he->srcfile && he->srcfile[0])
999 free_callchain(he->callchain);
1000 free(he->trace_output);
1006 * collapse the histogram
1009 static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
1010 struct rb_root *root,
1011 struct hist_entry *he)
1013 struct rb_node **p = &root->rb_node;
1014 struct rb_node *parent = NULL;
1015 struct hist_entry *iter;
1018 while (*p != NULL) {
1020 iter = rb_entry(parent, struct hist_entry, rb_node_in);
1022 cmp = hist_entry__collapse(iter, he);
1025 he_stat__add_stat(&iter->stat, &he->stat);
1026 if (symbol_conf.cumulate_callchain)
1027 he_stat__add_stat(iter->stat_acc, he->stat_acc);
1029 if (symbol_conf.use_callchain) {
1030 callchain_cursor_reset(&callchain_cursor);
1031 callchain_merge(&callchain_cursor,
1035 hist_entry__delete(he);
1042 p = &(*p)->rb_right;
1044 hists->nr_entries++;
1046 rb_link_node(&he->rb_node_in, parent, p);
1047 rb_insert_color(&he->rb_node_in, root);
1051 static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
1053 struct rb_root *root;
1055 pthread_mutex_lock(&hists->lock);
1057 root = hists->entries_in;
1058 if (++hists->entries_in > &hists->entries_in_array[1])
1059 hists->entries_in = &hists->entries_in_array[0];
1061 pthread_mutex_unlock(&hists->lock);
1066 static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
1068 hists__filter_entry_by_dso(hists, he);
1069 hists__filter_entry_by_thread(hists, he);
1070 hists__filter_entry_by_symbol(hists, he);
1071 hists__filter_entry_by_socket(hists, he);
1074 void hists__collapse_resort(struct hists *hists, struct ui_progress *prog)
1076 struct rb_root *root;
1077 struct rb_node *next;
1078 struct hist_entry *n;
1080 if (!sort__need_collapse)
1083 hists->nr_entries = 0;
1085 root = hists__get_rotate_entries_in(hists);
1087 next = rb_first(root);
1092 n = rb_entry(next, struct hist_entry, rb_node_in);
1093 next = rb_next(&n->rb_node_in);
1095 rb_erase(&n->rb_node_in, root);
1096 if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n)) {
1098 * If it wasn't combined with one of the entries already
1099 * collapsed, we need to apply the filters that may have
1100 * been set by, say, the hist_browser.
1102 hists__apply_filters(hists, n);
1105 ui_progress__update(prog, 1);
1109 static int hist_entry__sort(struct hist_entry *a, struct hist_entry *b)
1111 struct perf_hpp_fmt *fmt;
1114 perf_hpp__for_each_sort_list(fmt) {
1115 if (perf_hpp__should_skip(fmt))
1118 cmp = fmt->sort(fmt, a, b);
1126 static void hists__reset_filter_stats(struct hists *hists)
1128 hists->nr_non_filtered_entries = 0;
1129 hists->stats.total_non_filtered_period = 0;
1132 void hists__reset_stats(struct hists *hists)
1134 hists->nr_entries = 0;
1135 hists->stats.total_period = 0;
1137 hists__reset_filter_stats(hists);
1140 static void hists__inc_filter_stats(struct hists *hists, struct hist_entry *h)
1142 hists->nr_non_filtered_entries++;
1143 hists->stats.total_non_filtered_period += h->stat.period;
1146 void hists__inc_stats(struct hists *hists, struct hist_entry *h)
1149 hists__inc_filter_stats(hists, h);
1151 hists->nr_entries++;
1152 hists->stats.total_period += h->stat.period;
1155 static void __hists__insert_output_entry(struct rb_root *entries,
1156 struct hist_entry *he,
1157 u64 min_callchain_hits,
1160 struct rb_node **p = &entries->rb_node;
1161 struct rb_node *parent = NULL;
1162 struct hist_entry *iter;
1165 callchain_param.sort(&he->sorted_chain, he->callchain,
1166 min_callchain_hits, &callchain_param);
1168 while (*p != NULL) {
1170 iter = rb_entry(parent, struct hist_entry, rb_node);
1172 if (hist_entry__sort(he, iter) > 0)
1175 p = &(*p)->rb_right;
1178 rb_link_node(&he->rb_node, parent, p);
1179 rb_insert_color(&he->rb_node, entries);
1182 void hists__output_resort(struct hists *hists, struct ui_progress *prog)
1184 struct rb_root *root;
1185 struct rb_node *next;
1186 struct hist_entry *n;
1187 u64 min_callchain_hits;
1188 struct perf_evsel *evsel = hists_to_evsel(hists);
1191 if (evsel && symbol_conf.use_callchain && !symbol_conf.show_ref_callgraph)
1192 use_callchain = evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN;
1194 use_callchain = symbol_conf.use_callchain;
1196 min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
1198 if (sort__need_collapse)
1199 root = &hists->entries_collapsed;
1201 root = hists->entries_in;
1203 next = rb_first(root);
1204 hists->entries = RB_ROOT;
1206 hists__reset_stats(hists);
1207 hists__reset_col_len(hists);
1210 n = rb_entry(next, struct hist_entry, rb_node_in);
1211 next = rb_next(&n->rb_node_in);
1213 __hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain);
1214 hists__inc_stats(hists, n);
1217 hists__calc_col_len(hists, n);
1220 ui_progress__update(prog, 1);
1224 static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
1225 enum hist_filter filter)
1227 h->filtered &= ~(1 << filter);
1231 /* force fold unfiltered entry for simplicity */
1232 h->unfolded = false;
1236 hists->stats.nr_non_filtered_samples += h->stat.nr_events;
1238 hists__inc_filter_stats(hists, h);
1239 hists__calc_col_len(hists, h);
1243 static bool hists__filter_entry_by_dso(struct hists *hists,
1244 struct hist_entry *he)
1246 if (hists->dso_filter != NULL &&
1247 (he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) {
1248 he->filtered |= (1 << HIST_FILTER__DSO);
1255 void hists__filter_by_dso(struct hists *hists)
1259 hists->stats.nr_non_filtered_samples = 0;
1261 hists__reset_filter_stats(hists);
1262 hists__reset_col_len(hists);
1264 for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
1265 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
1267 if (symbol_conf.exclude_other && !h->parent)
1270 if (hists__filter_entry_by_dso(hists, h))
1273 hists__remove_entry_filter(hists, h, HIST_FILTER__DSO);
1277 static bool hists__filter_entry_by_thread(struct hists *hists,
1278 struct hist_entry *he)
1280 if (hists->thread_filter != NULL &&
1281 he->thread != hists->thread_filter) {
1282 he->filtered |= (1 << HIST_FILTER__THREAD);
1289 void hists__filter_by_thread(struct hists *hists)
1293 hists->stats.nr_non_filtered_samples = 0;
1295 hists__reset_filter_stats(hists);
1296 hists__reset_col_len(hists);
1298 for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
1299 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
1301 if (hists__filter_entry_by_thread(hists, h))
1304 hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD);
1308 static bool hists__filter_entry_by_symbol(struct hists *hists,
1309 struct hist_entry *he)
1311 if (hists->symbol_filter_str != NULL &&
1312 (!he->ms.sym || strstr(he->ms.sym->name,
1313 hists->symbol_filter_str) == NULL)) {
1314 he->filtered |= (1 << HIST_FILTER__SYMBOL);
1321 void hists__filter_by_symbol(struct hists *hists)
1325 hists->stats.nr_non_filtered_samples = 0;
1327 hists__reset_filter_stats(hists);
1328 hists__reset_col_len(hists);
1330 for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
1331 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
1333 if (hists__filter_entry_by_symbol(hists, h))
1336 hists__remove_entry_filter(hists, h, HIST_FILTER__SYMBOL);
1340 static bool hists__filter_entry_by_socket(struct hists *hists,
1341 struct hist_entry *he)
1343 if ((hists->socket_filter > -1) &&
1344 (he->socket != hists->socket_filter)) {
1345 he->filtered |= (1 << HIST_FILTER__SOCKET);
1352 void hists__filter_by_socket(struct hists *hists)
1356 hists->stats.nr_non_filtered_samples = 0;
1358 hists__reset_filter_stats(hists);
1359 hists__reset_col_len(hists);
1361 for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
1362 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
1364 if (hists__filter_entry_by_socket(hists, h))
1367 hists__remove_entry_filter(hists, h, HIST_FILTER__SOCKET);
1371 void events_stats__inc(struct events_stats *stats, u32 type)
1373 ++stats->nr_events[0];
1374 ++stats->nr_events[type];
1377 void hists__inc_nr_events(struct hists *hists, u32 type)
1379 events_stats__inc(&hists->stats, type);
1382 void hists__inc_nr_samples(struct hists *hists, bool filtered)
1384 events_stats__inc(&hists->stats, PERF_RECORD_SAMPLE);
1386 hists->stats.nr_non_filtered_samples++;
1389 static struct hist_entry *hists__add_dummy_entry(struct hists *hists,
1390 struct hist_entry *pair)
1392 struct rb_root *root;
1394 struct rb_node *parent = NULL;
1395 struct hist_entry *he;
1398 if (sort__need_collapse)
1399 root = &hists->entries_collapsed;
1401 root = hists->entries_in;
1405 while (*p != NULL) {
1407 he = rb_entry(parent, struct hist_entry, rb_node_in);
1409 cmp = hist_entry__collapse(he, pair);
1417 p = &(*p)->rb_right;
1420 he = hist_entry__new(pair, true);
1422 memset(&he->stat, 0, sizeof(he->stat));
1424 rb_link_node(&he->rb_node_in, parent, p);
1425 rb_insert_color(&he->rb_node_in, root);
1426 hists__inc_stats(hists, he);
1433 static struct hist_entry *hists__find_entry(struct hists *hists,
1434 struct hist_entry *he)
1438 if (sort__need_collapse)
1439 n = hists->entries_collapsed.rb_node;
1441 n = hists->entries_in->rb_node;
1444 struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node_in);
1445 int64_t cmp = hist_entry__collapse(iter, he);
1459 * Look for pairs to link to the leader buckets (hist_entries):
1461 void hists__match(struct hists *leader, struct hists *other)
1463 struct rb_root *root;
1465 struct hist_entry *pos, *pair;
1467 if (sort__need_collapse)
1468 root = &leader->entries_collapsed;
1470 root = leader->entries_in;
1472 for (nd = rb_first(root); nd; nd = rb_next(nd)) {
1473 pos = rb_entry(nd, struct hist_entry, rb_node_in);
1474 pair = hists__find_entry(other, pos);
1477 hist_entry__add_pair(pair, pos);
1482 * Look for entries in the other hists that are not present in the leader, if
1483 * we find them, just add a dummy entry on the leader hists, with period=0,
1484 * nr_events=0, to serve as the list header.
1486 int hists__link(struct hists *leader, struct hists *other)
1488 struct rb_root *root;
1490 struct hist_entry *pos, *pair;
1492 if (sort__need_collapse)
1493 root = &other->entries_collapsed;
1495 root = other->entries_in;
1497 for (nd = rb_first(root); nd; nd = rb_next(nd)) {
1498 pos = rb_entry(nd, struct hist_entry, rb_node_in);
1500 if (!hist_entry__has_pairs(pos)) {
1501 pair = hists__add_dummy_entry(leader, pos);
1504 hist_entry__add_pair(pos, pair);
1511 void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
1512 struct perf_sample *sample, bool nonany_branch_mode)
1514 struct branch_info *bi;
1516 /* If we have branch cycles always annotate them. */
1517 if (bs && bs->nr && bs->entries[0].flags.cycles) {
1520 bi = sample__resolve_bstack(sample, al);
1522 struct addr_map_symbol *prev = NULL;
1525 * Ignore errors, still want to process the
1528 * For non standard branch modes always
1529 * force no IPC (prev == NULL)
1531 * Note that perf stores branches reversed from
1534 for (i = bs->nr - 1; i >= 0; i--) {
1535 addr_map_symbol__account_cycles(&bi[i].from,
1536 nonany_branch_mode ? NULL : prev,
1537 bi[i].flags.cycles);
1545 size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp)
1547 struct perf_evsel *pos;
1550 evlist__for_each(evlist, pos) {
1551 ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos));
1552 ret += events_stats__fprintf(&evsel__hists(pos)->stats, fp);
1559 u64 hists__total_period(struct hists *hists)
1561 return symbol_conf.filter_relative ? hists->stats.total_non_filtered_period :
1562 hists->stats.total_period;
1565 int parse_filter_percentage(const struct option *opt __maybe_unused,
1566 const char *arg, int unset __maybe_unused)
1568 if (!strcmp(arg, "relative"))
1569 symbol_conf.filter_relative = true;
1570 else if (!strcmp(arg, "absolute"))
1571 symbol_conf.filter_relative = false;
1578 int perf_hist_config(const char *var, const char *value)
1580 if (!strcmp(var, "hist.percentage"))
1581 return parse_filter_percentage(NULL, value, 0);
1586 static int hists_evsel__init(struct perf_evsel *evsel)
1588 struct hists *hists = evsel__hists(evsel);
1590 memset(hists, 0, sizeof(*hists));
1591 hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
1592 hists->entries_in = &hists->entries_in_array[0];
1593 hists->entries_collapsed = RB_ROOT;
1594 hists->entries = RB_ROOT;
1595 pthread_mutex_init(&hists->lock, NULL);
1596 hists->socket_filter = -1;
1600 static void hists__delete_remaining_entries(struct rb_root *root)
1602 struct rb_node *node;
1603 struct hist_entry *he;
1605 while (!RB_EMPTY_ROOT(root)) {
1606 node = rb_first(root);
1607 rb_erase(node, root);
1609 he = rb_entry(node, struct hist_entry, rb_node_in);
1610 hist_entry__delete(he);
1614 static void hists__delete_all_entries(struct hists *hists)
1616 hists__delete_entries(hists);
1617 hists__delete_remaining_entries(&hists->entries_in_array[0]);
1618 hists__delete_remaining_entries(&hists->entries_in_array[1]);
1619 hists__delete_remaining_entries(&hists->entries_collapsed);
1622 static void hists_evsel__exit(struct perf_evsel *evsel)
1624 struct hists *hists = evsel__hists(evsel);
1626 hists__delete_all_entries(hists);
1630 * XXX We probably need a hists_evsel__exit() to free the hist_entries
1631 * stored in the rbtree...
1634 int hists__init(void)
1636 int err = perf_evsel__object_config(sizeof(struct hists_evsel),
1640 fputs("FATAL ERROR: Couldn't setup hists class\n", stderr);