diff options
Diffstat (limited to 'tools/perf/util/hist.c')
| -rw-r--r-- | tools/perf/util/hist.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 50c8fece1681..48da373afa3d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -100,13 +100,16 @@ static void hist_entry__decay(struct hist_entry *he) static bool hists__decay_entry(struct hists *hists, struct hist_entry *he) { + if (he->period == 0) + return true; hists->stats.total_period -= he->period; hist_entry__decay(he); hists->stats.total_period += he->period; return he->period == 0; } -void hists__decay_entries(struct hists *hists) +static void __hists__decay_entries(struct hists *hists, bool zap_user, + bool zap_kernel, bool threaded) { struct rb_node *next = rb_first(&hists->entries); struct hist_entry *n; @@ -114,11 +117,18 @@ void hists__decay_entries(struct hists *hists) while (next) { n = rb_entry(next, struct hist_entry, rb_node); next = rb_next(&n->rb_node); - - if (hists__decay_entry(hists, n)) { + /* + * We may be annotating this, for instance, so keep it here in + * case some it gets new samples, we'll eventually free it when + * the user stops browsing and it agains gets fully decayed. + */ + if (((zap_user && n->level == '.') || + (zap_kernel && n->level != '.') || + hists__decay_entry(hists, n)) && + !n->used) { rb_erase(&n->rb_node, &hists->entries); - if (sort__need_collapse) + if (sort__need_collapse || threaded) rb_erase(&n->rb_node_in, &hists->entries_collapsed); hist_entry__free(n); @@ -127,6 +137,17 @@ void hists__decay_entries(struct hists *hists) } } +void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel) +{ + return __hists__decay_entries(hists, zap_user, zap_kernel, false); +} + +void hists__decay_entries_threaded(struct hists *hists, + bool zap_user, bool zap_kernel) +{ + return __hists__decay_entries(hists, zap_user, zap_kernel, true); +} + /* * histogram, sorted on item, collects periods */ |