[PATCH 03/66] perf hists: Free unused mem info of a matched hist entry

[Arnaldo Carvalho de Melo]

From: Namhyung Kim <namhyung.kim@xxxxxxx>

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

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1364816125-12212-3-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@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 9438d57..514fc04 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 			 * become out-of-date due to an exec() or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
-- 
1.8.1.4

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