From: Namhyung Kim <namhyung@kernel.org>
Date: Tue, 30 Dec 2014 05:38:13 +0000 (+0900)
Subject: perf callchain: Free callchains when hist entries are deleted
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~298^2~4^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d114960c488b5a95705a04bba305f931cef0efd6;p=pandora-kernel.git

perf callchain: Free callchains when hist entries are deleted

Markus reported that "perf top -g" can leak ~300MB per second on his
machine.  This is partly because it missed to free callchains when hist
entries are deleted.  Fix it.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20141230053813.GD6081@sejong
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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