diff options
Diffstat (limited to 'tools/perf/util/hist.c')
| -rw-r--r-- | tools/perf/util/hist.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 54fc0033dd6a..a6e9ddd37913 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1415,6 +1415,39 @@ int hists__link(struct hists *leader, struct hists *other) return 0; } +void hist__account_cycles(struct branch_stack *bs, struct addr_location *al, + struct perf_sample *sample, bool nonany_branch_mode) +{ + struct branch_info *bi; + + /* If we have branch cycles always annotate them. */ + if (bs && bs->nr && bs->entries[0].flags.cycles) { + int i; + + bi = sample__resolve_bstack(sample, al); + if (bi) { + struct addr_map_symbol *prev = NULL; + + /* + * Ignore errors, still want to process the + * other entries. + * + * For non standard branch modes always + * force no IPC (prev == NULL) + * + * Note that perf stores branches reversed from + * program order! + */ + for (i = bs->nr - 1; i >= 0; i--) { + addr_map_symbol__account_cycles(&bi[i].from, + nonany_branch_mode ? NULL : prev, + bi[i].flags.cycles); + prev = &bi[i].to; + } + free(bi); + } + } +} size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp) { |
