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-rw-r--r--tools/perf/util/hist.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 30df6187ee02..86569fa3651d 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -277,6 +277,28 @@ void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
}
}
+void hists__delete_entries(struct hists *hists)
+{
+ struct rb_node *next = rb_first(&hists->entries);
+ struct hist_entry *n;
+
+ while (next) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ next = rb_next(&n->rb_node);
+
+ rb_erase(&n->rb_node, &hists->entries);
+
+ if (sort__need_collapse)
+ rb_erase(&n->rb_node_in, &hists->entries_collapsed);
+
+ --hists->nr_entries;
+ if (!n->filtered)
+ --hists->nr_non_filtered_entries;
+
+ hist_entry__free(n);
+ }
+}
+
/*
* histogram, sorted on item, collects periods
*/