diff options
Diffstat (limited to 'tools/perf/util/hist.c')
| -rw-r--r-- | tools/perf/util/hist.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 33702675073c..e0b149673a88 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -2439,7 +2439,7 @@ void hists__match(struct hists *leader, struct hists *other) { struct rb_root_cached *root; struct rb_node *nd; - struct hist_entry *pos, *pair, *pos_pair, *tmp_pair; + struct hist_entry *pos, *pair; if (symbol_conf.report_hierarchy) { /* hierarchy report always collapses entries */ @@ -2456,24 +2456,8 @@ void hists__match(struct hists *leader, struct hists *other) pos = rb_entry(nd, struct hist_entry, rb_node_in); pair = hists__find_entry(other, pos); - if (pair && list_empty(&pair->pairs.node)) { - list_for_each_entry_safe(pos_pair, tmp_pair, &pos->pairs.head, pairs.node) { - if (pos_pair->hists == other) { - /* - * XXX maybe decayed entries can appear - * here? but then we would have use - * after free, as decayed entries are - * freed see hists__delete_entry - */ - BUG_ON(!pos_pair->dummy); - list_del_init(&pos_pair->pairs.node); - hist_entry__delete(pos_pair); - break; - } - } - + if (pair) hist_entry__add_pair(pair, pos); - } } } @@ -2558,6 +2542,25 @@ int hists__link(struct hists *leader, struct hists *other) return 0; } +int hists__unlink(struct hists *hists) +{ + struct rb_root_cached *root; + struct rb_node *nd; + struct hist_entry *pos; + + if (hists__has(hists, need_collapse)) + root = &hists->entries_collapsed; + else + root = hists->entries_in; + + for (nd = rb_first_cached(root); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node_in); + list_del_init(&pos->pairs.node); + } + + return 0; +} + void hist__account_cycles(struct branch_stack *bs, struct addr_location *al, struct perf_sample *sample, bool nonany_branch_mode) { |