From: Namhyung Kim <namhyung@kernel.org>
Date: Tue, 12 Aug 2014 08:16:05 +0000 (+0900)
Subject: perf top: Fix -z option behavior
X-Git-Tag: omap-for-v3.19/prcm-cleanup~97^2~29^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=701937bd59cc94b6913086feb62f05ae565ff2de;p=pandora-kernel.git

perf top: Fix -z option behavior

The current -z option does almost nothing.  It doesn't zero the existing
samples so that we can see profiles of exited process after last
refresh.  It seems it only affects annotation.

This patch clears existing entries before processing if -z option is
given.  For this original decaying logic also moved before processing.

Reported-by: Stephane Eranian <eranian@google.com>
Tested-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1407831366-28892-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

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