diff options
Diffstat (limited to 'tools/perf/util/hist.c')
-rw-r--r-- | tools/perf/util/hist.c | 250 |
1 files changed, 136 insertions, 114 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index fa359180ebf8..0f30f843c566 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -9,6 +9,7 @@ #include "map_symbol.h" #include "branch.h" #include "mem-events.h" +#include "mem-info.h" #include "session.h" #include "namespaces.h" #include "cgroup.h" @@ -31,6 +32,9 @@ #include <linux/time64.h> #include <linux/zalloc.h> +static int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); +static int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); + static bool hists__filter_entry_by_dso(struct hists *hists, struct hist_entry *he); static bool hists__filter_entry_by_thread(struct hists *hists, @@ -153,8 +157,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) } if (h->mem_info) { - if (h->mem_info->daddr.ms.sym) { - symlen = (int)h->mem_info->daddr.ms.sym->namelen + 4 + if (mem_info__daddr(h->mem_info)->ms.sym) { + symlen = (int)mem_info__daddr(h->mem_info)->ms.sym->namelen + 4 + unresolved_col_width + 2; hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen); @@ -168,8 +172,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) symlen); } - if (h->mem_info->iaddr.ms.sym) { - symlen = (int)h->mem_info->iaddr.ms.sym->namelen + 4 + if (mem_info__iaddr(h->mem_info)->ms.sym) { + symlen = (int)mem_info__iaddr(h->mem_info)->ms.sym->namelen + 4 + unresolved_col_width + 2; hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL, symlen); @@ -179,8 +183,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) symlen); } - if (h->mem_info->daddr.ms.map) { - symlen = dso__name_len(map__dso(h->mem_info->daddr.ms.map)); + if (mem_info__daddr(h->mem_info)->ms.map) { + symlen = dso__name_len(map__dso(mem_info__daddr(h->mem_info)->ms.map)); hists__new_col_len(hists, HISTC_MEM_DADDR_DSO, symlen); } else { @@ -217,6 +221,9 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) hists__new_col_len(hists, HISTC_LOCAL_P_STAGE_CYC, 13); hists__new_col_len(hists, HISTC_GLOBAL_P_STAGE_CYC, 13); hists__new_col_len(hists, HISTC_ADDR, BITS_PER_LONG / 4 + 2); + hists__new_col_len(hists, HISTC_CALLCHAIN_BRANCH_PREDICTED, 9); + hists__new_col_len(hists, HISTC_CALLCHAIN_BRANCH_ABORT, 5); + hists__new_col_len(hists, HISTC_CALLCHAIN_BRANCH_CYCLES, 6); if (symbol_conf.nanosecs) hists__new_col_len(hists, HISTC_TIME, 16); @@ -308,6 +315,9 @@ static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) dest->period_us += src->period_us; dest->period_guest_sys += src->period_guest_sys; dest->period_guest_us += src->period_guest_us; + dest->weight1 += src->weight1; + dest->weight2 += src->weight2; + dest->weight3 += src->weight3; dest->nr_events += src->nr_events; } @@ -315,7 +325,9 @@ static void he_stat__decay(struct he_stat *he_stat) { he_stat->period = (he_stat->period * 7) / 8; he_stat->nr_events = (he_stat->nr_events * 7) / 8; - /* XXX need decay for weight too? */ + he_stat->weight1 = (he_stat->weight1 * 7) / 8; + he_stat->weight2 = (he_stat->weight2 * 7) / 8; + he_stat->weight3 = (he_stat->weight3 * 7) / 8; } static void hists__delete_entry(struct hists *hists, struct hist_entry *he); @@ -466,13 +478,16 @@ static int hist_entry__init(struct hist_entry *he, memcpy(he->branch_info, template->branch_info, sizeof(*he->branch_info)); + he->branch_info->from.ms.maps = maps__get(he->branch_info->from.ms.maps); he->branch_info->from.ms.map = map__get(he->branch_info->from.ms.map); + he->branch_info->to.ms.maps = maps__get(he->branch_info->to.ms.maps); he->branch_info->to.ms.map = map__get(he->branch_info->to.ms.map); } if (he->mem_info) { - he->mem_info->iaddr.ms.map = map__get(he->mem_info->iaddr.ms.map); - he->mem_info->daddr.ms.map = map__get(he->mem_info->daddr.ms.map); + he->mem_info = mem_info__clone(template->mem_info); + if (he->mem_info == NULL) + goto err_infos; } if (hist_entry__has_callchains(he) && symbol_conf.use_callchain) @@ -520,8 +535,8 @@ err_infos: zfree(&he->branch_info); } if (he->mem_info) { - map_symbol__exit(&he->mem_info->iaddr.ms); - map_symbol__exit(&he->mem_info->daddr.ms); + map_symbol__exit(&mem_info__iaddr(he->mem_info)->ms); + map_symbol__exit(&mem_info__daddr(he->mem_info)->ms); } err: map_symbol__exit(&he->ms); @@ -566,7 +581,6 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template, he = NULL; } } - return he; } @@ -614,19 +628,13 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists, cmp = hist_entry__cmp(he, entry); if (!cmp) { if (sample_self) { - he_stat__add_period(&he->stat, period); + he_stat__add_stat(&he->stat, &entry->stat); hist_entry__add_callchain_period(he, period); } if (symbol_conf.cumulate_callchain) he_stat__add_period(he->stat_acc, period); - /* - * This mem info was allocated from sample__resolve_mem - * and will not be used anymore. - */ - mem_info__zput(entry->mem_info); - - block_info__zput(entry->block_info); + block_info__delete(entry->block_info); kvm_info__zput(entry->kvm_info); @@ -636,7 +644,12 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists, * mis-adjust symbol addresses when computing * the history counter to increment. */ - if (he->ms.map != entry->ms.map) { + if (hists__has(hists, sym) && he->ms.map != entry->ms.map) { + if (he->ms.sym) { + u64 addr = he->ms.sym->start; + he->ms.sym = map__find_symbol(entry->ms.map, addr); + } + map__put(he->ms.map); he->ms.map = map__get(entry->ms.map); } @@ -731,6 +744,9 @@ __hists__add_entry(struct hists *hists, .stat = { .nr_events = 1, .period = sample->period, + .weight1 = sample->weight, + .weight2 = sample->ins_lat, + .weight3 = sample->p_stage_cyc, }, .parent = sym_parent, .filtered = symbol__parent_filter(sym_parent) | al->filtered, @@ -825,7 +841,7 @@ iter_prepare_mem_entry(struct hist_entry_iter *iter, struct addr_location *al) if (mi == NULL) return -ENOMEM; - iter->priv = mi; + iter->mi = mi; return 0; } @@ -833,7 +849,7 @@ static int iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al) { u64 cost; - struct mem_info *mi = iter->priv; + struct mem_info *mi = iter->mi; struct hists *hists = evsel__hists(iter->evsel); struct perf_sample *sample = iter->sample; struct hist_entry *he; @@ -880,12 +896,7 @@ iter_finish_mem_entry(struct hist_entry_iter *iter, err = hist_entry__append_callchain(he, iter->sample); out: - /* - * We don't need to free iter->priv (mem_info) here since the mem info - * was either already freed in hists__findnew_entry() or passed to a - * new hist entry by hist_entry__new(). - */ - iter->priv = NULL; + mem_info__zput(iter->mi); iter->he = NULL; return err; @@ -904,7 +915,7 @@ iter_prepare_branch_entry(struct hist_entry_iter *iter, struct addr_location *al iter->curr = 0; iter->total = sample->branch_stack->nr; - iter->priv = bi; + iter->bi = bi; return 0; } @@ -918,7 +929,7 @@ iter_add_single_branch_entry(struct hist_entry_iter *iter __maybe_unused, static int iter_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) { - struct branch_info *bi = iter->priv; + struct branch_info *bi = iter->bi; int i = iter->curr; if (bi == NULL) @@ -947,7 +958,7 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a int i = iter->curr; int err = 0; - bi = iter->priv; + bi = iter->bi; if (iter->hide_unresolved && !(bi[i].from.ms.sym && bi[i].to.ms.sym)) goto out; @@ -972,11 +983,22 @@ out: return err; } +static void branch_info__exit(struct branch_info *bi) +{ + map_symbol__exit(&bi->from.ms); + map_symbol__exit(&bi->to.ms); + zfree_srcline(&bi->srcline_from); + zfree_srcline(&bi->srcline_to); +} + static int iter_finish_branch_entry(struct hist_entry_iter *iter, struct addr_location *al __maybe_unused) { - zfree(&iter->priv); + for (int i = 0; i < iter->total; i++) + branch_info__exit(&iter->bi[i]); + + zfree(&iter->bi); iter->he = NULL; return iter->curr >= iter->total ? 0 : -1; @@ -1044,7 +1066,7 @@ iter_prepare_cumulative_entry(struct hist_entry_iter *iter, if (he_cache == NULL) return -ENOMEM; - iter->priv = he_cache; + iter->he_cache = he_cache; iter->curr = 0; return 0; @@ -1057,7 +1079,7 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter, struct evsel *evsel = iter->evsel; struct hists *hists = evsel__hists(evsel); struct perf_sample *sample = iter->sample; - struct hist_entry **he_cache = iter->priv; + struct hist_entry **he_cache = iter->he_cache; struct hist_entry *he; int err = 0; @@ -1115,7 +1137,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter, { struct evsel *evsel = iter->evsel; struct perf_sample *sample = iter->sample; - struct hist_entry **he_cache = iter->priv; + struct hist_entry **he_cache = iter->he_cache; struct hist_entry *he; struct hist_entry he_tmp = { .hists = evsel__hists(evsel), @@ -1181,7 +1203,9 @@ static int iter_finish_cumulative_entry(struct hist_entry_iter *iter, struct addr_location *al __maybe_unused) { - zfree(&iter->priv); + mem_info__zput(iter->mi); + zfree(&iter->bi); + zfree(&iter->he_cache); iter->he = NULL; return 0; @@ -1271,19 +1295,35 @@ out: return err; } -int64_t -hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) +static int64_t +hist_entry__cmp_impl(struct perf_hpp_list *hpp_list, struct hist_entry *left, + struct hist_entry *right, unsigned long fn_offset, + bool ignore_dynamic, bool ignore_skipped) { struct hists *hists = left->hists; struct perf_hpp_fmt *fmt; - int64_t cmp = 0; + perf_hpp_fmt_cmp_t *fn; + int64_t cmp; - hists__for_each_sort_list(hists, fmt) { - if (perf_hpp__is_dynamic_entry(fmt) && + /* + * Never collapse filtered and non-filtered entries. + * Note this is not the same as having an extra (invisible) fmt + * that corresponds to the filtered status. + */ + cmp = (int64_t)!!left->filtered - (int64_t)!!right->filtered; + if (cmp) + return cmp; + + perf_hpp_list__for_each_sort_list(hpp_list, fmt) { + if (ignore_dynamic && perf_hpp__is_dynamic_entry(fmt) && !perf_hpp__defined_dynamic_entry(fmt, hists)) continue; - cmp = fmt->cmp(fmt, left, right); + if (ignore_skipped && perf_hpp__should_skip(fmt, hists)) + continue; + + fn = (void *)fmt + fn_offset; + cmp = (*fn)(fmt, left, right); if (cmp) break; } @@ -1292,23 +1332,33 @@ hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) } int64_t -hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) +hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) { - struct hists *hists = left->hists; - struct perf_hpp_fmt *fmt; - int64_t cmp = 0; + return hist_entry__cmp_impl(left->hists->hpp_list, left, right, + offsetof(struct perf_hpp_fmt, cmp), true, false); +} - hists__for_each_sort_list(hists, fmt) { - if (perf_hpp__is_dynamic_entry(fmt) && - !perf_hpp__defined_dynamic_entry(fmt, hists)) - continue; +static int64_t +hist_entry__sort(struct hist_entry *left, struct hist_entry *right) +{ + return hist_entry__cmp_impl(left->hists->hpp_list, left, right, + offsetof(struct perf_hpp_fmt, sort), false, true); +} - cmp = fmt->collapse(fmt, left, right); - if (cmp) - break; - } +int64_t +hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) +{ + return hist_entry__cmp_impl(left->hists->hpp_list, left, right, + offsetof(struct perf_hpp_fmt, collapse), true, false); +} - return cmp; +static int64_t +hist_entry__collapse_hierarchy(struct perf_hpp_list *hpp_list, + struct hist_entry *left, + struct hist_entry *right) +{ + return hist_entry__cmp_impl(hpp_list, left, right, + offsetof(struct perf_hpp_fmt, collapse), false, false); } void hist_entry__delete(struct hist_entry *he) @@ -1319,21 +1369,18 @@ void hist_entry__delete(struct hist_entry *he) map_symbol__exit(&he->ms); if (he->branch_info) { - map_symbol__exit(&he->branch_info->from.ms); - map_symbol__exit(&he->branch_info->to.ms); - zfree_srcline(&he->branch_info->srcline_from); - zfree_srcline(&he->branch_info->srcline_to); + branch_info__exit(he->branch_info); zfree(&he->branch_info); } if (he->mem_info) { - map_symbol__exit(&he->mem_info->iaddr.ms); - map_symbol__exit(&he->mem_info->daddr.ms); + map_symbol__exit(&mem_info__iaddr(he->mem_info)->ms); + map_symbol__exit(&mem_info__daddr(he->mem_info)->ms); mem_info__zput(he->mem_info); } if (he->block_info) - block_info__zput(he->block_info); + block_info__delete(he->block_info); if (he->kvm_info) kvm_info__zput(he->kvm_info); @@ -1485,14 +1532,7 @@ static struct hist_entry *hierarchy_insert_entry(struct hists *hists, while (*p != NULL) { parent = *p; iter = rb_entry(parent, struct hist_entry, rb_node_in); - - cmp = 0; - perf_hpp_list__for_each_sort_list(hpp_list, fmt) { - cmp = fmt->collapse(fmt, iter, he); - if (cmp) - break; - } - + cmp = hist_entry__collapse_hierarchy(hpp_list, iter, he); if (!cmp) { he_stat__add_stat(&iter->stat, &he->stat); return iter; @@ -1712,24 +1752,6 @@ int hists__collapse_resort(struct hists *hists, struct ui_progress *prog) return 0; } -static int64_t hist_entry__sort(struct hist_entry *a, struct hist_entry *b) -{ - struct hists *hists = a->hists; - struct perf_hpp_fmt *fmt; - int64_t cmp = 0; - - hists__for_each_sort_list(hists, fmt) { - if (perf_hpp__should_skip(fmt, a->hists)) - continue; - - cmp = fmt->sort(fmt, a, b); - if (cmp) - break; - } - - return cmp; -} - static void hists__reset_filter_stats(struct hists *hists) { hists->nr_non_filtered_entries = 0; @@ -2128,7 +2150,7 @@ static bool hists__filter_entry_by_dso(struct hists *hists, struct hist_entry *he) { if (hists->dso_filter != NULL && - (he->ms.map == NULL || map__dso(he->ms.map) != hists->dso_filter)) { + (he->ms.map == NULL || !RC_CHK_EQUAL(map__dso(he->ms.map), hists->dso_filter))) { he->filtered |= (1 << HIST_FILTER__DSO); return true; } @@ -2370,6 +2392,11 @@ void hists__inc_nr_lost_samples(struct hists *hists, u32 lost) hists->stats.nr_lost_samples += lost; } +void hists__inc_nr_dropped_samples(struct hists *hists, u32 lost) +{ + hists->stats.nr_dropped_samples += lost; +} + static struct hist_entry *hists__add_dummy_entry(struct hists *hists, struct hist_entry *pair) { @@ -2426,21 +2453,15 @@ static struct hist_entry *add_dummy_hierarchy_entry(struct hists *hists, struct rb_node **p; struct rb_node *parent = NULL; struct hist_entry *he; - struct perf_hpp_fmt *fmt; bool leftmost = true; p = &root->rb_root.rb_node; while (*p != NULL) { - int64_t cmp = 0; + int64_t cmp; parent = *p; he = rb_entry(parent, struct hist_entry, rb_node_in); - - perf_hpp_list__for_each_sort_list(he->hpp_list, fmt) { - cmp = fmt->collapse(fmt, he, pair); - if (cmp) - break; - } + cmp = hist_entry__collapse_hierarchy(he->hpp_list, he, pair); if (!cmp) goto out; @@ -2498,16 +2519,10 @@ static struct hist_entry *hists__find_hierarchy_entry(struct rb_root_cached *roo while (n) { struct hist_entry *iter; - struct perf_hpp_fmt *fmt; - int64_t cmp = 0; + int64_t cmp; iter = rb_entry(n, struct hist_entry, rb_node_in); - perf_hpp_list__for_each_sort_list(he->hpp_list, fmt) { - cmp = fmt->collapse(fmt, iter, he); - if (cmp) - break; - } - + cmp = hist_entry__collapse_hierarchy(he->hpp_list, iter, he); if (cmp < 0) n = n->rb_left; else if (cmp > 0) @@ -2667,7 +2682,7 @@ int hists__unlink(struct hists *hists) void hist__account_cycles(struct branch_stack *bs, struct addr_location *al, struct perf_sample *sample, bool nonany_branch_mode, - u64 *total_cycles) + u64 *total_cycles, struct evsel *evsel) { struct branch_info *bi; struct branch_entry *entries = perf_sample__branch_entries(sample); @@ -2691,7 +2706,8 @@ void hist__account_cycles(struct branch_stack *bs, struct addr_location *al, for (int i = bs->nr - 1; i >= 0; i--) { addr_map_symbol__account_cycles(&bi[i].from, nonany_branch_mode ? NULL : prev, - bi[i].flags.cycles); + bi[i].flags.cycles, evsel, + bi[i].branch_stack_cntr); prev = &bi[i].to; if (total_cycles) @@ -2706,25 +2722,31 @@ void hist__account_cycles(struct branch_stack *bs, struct addr_location *al, } } -size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp, - bool skip_empty) +size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp) { struct evsel *pos; size_t ret = 0; evlist__for_each_entry(evlist, pos) { struct hists *hists = evsel__hists(pos); + u64 total_samples = hists->stats.nr_samples; + + total_samples += hists->stats.nr_lost_samples; + total_samples += hists->stats.nr_dropped_samples; - if (skip_empty && !hists->stats.nr_samples && !hists->stats.nr_lost_samples) + if (symbol_conf.skip_empty && total_samples == 0) continue; ret += fprintf(fp, "%s stats:\n", evsel__name(pos)); if (hists->stats.nr_samples) - ret += fprintf(fp, "%16s events: %10d\n", + ret += fprintf(fp, "%20s events: %10d\n", "SAMPLE", hists->stats.nr_samples); if (hists->stats.nr_lost_samples) - ret += fprintf(fp, "%16s events: %10d\n", + ret += fprintf(fp, "%20s events: %10d\n", "LOST_SAMPLES", hists->stats.nr_lost_samples); + if (hists->stats.nr_dropped_samples) + ret += fprintf(fp, "%20s events: %10d\n", + "LOST_SAMPLES (BPF)", hists->stats.nr_dropped_samples); } return ret; @@ -2808,7 +2830,7 @@ int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool sh } if (dso) printed += scnprintf(bf + printed, size - printed, - ", DSO: %s", dso->short_name); + ", DSO: %s", dso__short_name(dso)); if (socket_id > -1) printed += scnprintf(bf + printed, size - printed, ", Processor Socket: %d", socket_id); |