From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 22 Dec 2014 04:44:14 +0000 (+0900)
Subject: perf callchain: Append callchains only when requested
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~298^2~6^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82aa019e0098a1e0801df94345c0297448323126;p=pandora-kernel.git

perf callchain: Append callchains only when requested

The perf report --children can be called with callchain disabled so no
need to append callchains.  Actually the root of callchain tree is not
initialized properly in this case.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1419223455-4362-7-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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