[PATCH 5/9] perf hists: Add missing update on nr_non_filtered_entries

[Namhyung Kim <namhyung@kernel.org>]

When a filter is used for perf top, its hists->nr_non_filtered_entries
was not updated after it removed an entry in hists__decay_entries().

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/hist.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 883340d7d43e..7d51f599ae98 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -259,8 +259,11 @@ void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
 			if (sort__need_collapse)
 				rb_erase(&n->rb_node_in, &hists->entries_collapsed);
 
-			hist_entry__free(n);
 			--hists->nr_entries;
+			if (!n->filtered)
+				--hists->nr_non_filtered_entries;
+
+			hist_entry__free(n);
 		}
 	}
 }
-- 
1.9.2