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
  */