From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756200AbZGEJxJ (ORCPT ); Sun, 5 Jul 2009 05:53:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755602AbZGEJwt (ORCPT ); Sun, 5 Jul 2009 05:52:49 -0400 Received: from hera.kernel.org ([140.211.167.34]:55419 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755566AbZGEJwr (ORCPT ); Sun, 5 Jul 2009 05:52:47 -0400 Date: Sun, 5 Jul 2009 09:52:16 GMT From: tip-bot for Frederic Weisbecker To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, acme@redhat.com, anton@samba.org, paulus@samba.org, hpa@zytor.com, mingo@redhat.com, a.p.zijlstra@chello.nl, efault@gmx.de, jens.axboe@oracle.com, fweisbec@gmail.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, paulus@samba.org, anton@samba.org, acme@redhat.com, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, efault@gmx.de, jens.axboe@oracle.com, fweisbec@gmail.com, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <1246772361-9960-3-git-send-email-fweisbec@gmail.com> References: <1246772361-9960-3-git-send-email-fweisbec@gmail.com> Subject: [tip:perfcounters/urgent] perf report: Change default callchain parameters Message-ID: Git-Commit-ID: 94a8eb028a57854157a936c7e66b09e2559f115a X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Sun, 05 Jul 2009 09:52:17 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 94a8eb028a57854157a936c7e66b09e2559f115a Gitweb: http://git.kernel.org/tip/94a8eb028a57854157a936c7e66b09e2559f115a Author: Frederic Weisbecker AuthorDate: Sun, 5 Jul 2009 07:39:19 +0200 Committer: Ingo Molnar CommitDate: Sun, 5 Jul 2009 10:30:22 +0200 perf report: Change default callchain parameters The default callchain parameters are set to use the flat mode and never filter any overhead threshold of backtrace. But flat mode is boring compared to graph mode. Also the number of callchains may be very high if none is filtered. Let's change this to set the graph view and a minimum overhead of 0.5% as default parameters. Reported-by: Ingo Molnar Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Anton Blanchard Cc: Jens Axboe Cc: Arnaldo Carvalho de Melo LKML-Reference: <1246772361-9960-3-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-report.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 3db99fd..8bd5865 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -59,10 +59,10 @@ static regex_t parent_regex; static int exclude_other = 1; -static char callchain_default_opt[] = "flat,0"; +static char callchain_default_opt[] = "graph,0.5"; static int callchain; static enum chain_mode callchain_mode; -static double callchain_min_percent = 0.0; +static double callchain_min_percent = 0.5; static u64 sample_type;