From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753105AbaGJVIE (ORCPT ); Thu, 10 Jul 2014 17:08:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:13929 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751119AbaGJVHM (ORCPT ); Thu, 10 Jul 2014 17:07:12 -0400 From: Jiri Olsa To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Stanislav Fomichev , Jiri Olsa Subject: [PATCH 3/4] perf timechart: Conditionally update start_time on fork Date: Thu, 10 Jul 2014 23:06:56 +0200 Message-Id: <1405026417-9094-4-git-send-email-jolsa@kernel.org> In-Reply-To: <1405026417-9094-1-git-send-email-jolsa@kernel.org> References: <1405026417-9094-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stanislav Fomichev We don't need to overwrite current task start_time on fork, so update it only if it's zero. Signed-off-by: Stanislav Fomichev Acked-by: Namhyung Kim Link: http://lkml.kernel.org/n/1404835423-23098-4-git-send-email-stfomichev@yandex-team.ru Signed-off-by: Jiri Olsa --- tools/perf/builtin-timechart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 4079062..37bf1eb 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -242,7 +242,7 @@ static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp) pid_set_comm(tchart, pid, pp->current->comm); p->start_time = timestamp; - if (p->current) { + if (p->current && !p->current->start_time) { p->current->start_time = timestamp; p->current->state_since = timestamp; } -- 1.8.3.1