[PATCH 2/9] perf hists: Free unused mem info of a matched hist entry

[Namhyung Kim]

From: Namhyung Kim <namhyung.kim@xxxxxxx>

The mem info is shared between matched entries so one should be freed.

Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/util/hist.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 9438d576459d..514fc0470e38 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -374,6 +374,12 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
 		if (!cmp) {
 			he_stat__add_period(&he->stat, period, weight);
 
+			/*
+			 * This mem info was allocated from machine__resolve_mem
+			 * and will not be used anymore.
+			 */
+			free(entry->mem_info);
+
 			/* If the map of an existing hist_entry has
 			 * become out-of-date due to an exec() or
 			 * similar, update it.  Otherwise we will
-- 
1.7.11.7

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