From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752021Ab0EIUoQ (ORCPT ); Sun, 9 May 2010 16:44:16 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:53132 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751843Ab0EIUn7 (ORCPT ); Sun, 9 May 2010 16:43:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:x-mailer-version :in-reply-to:references; b=ZDtMtl5KyCYltaJ/tXF/hyL2aZgnSvlSJi7o4eqeqAGNlaFaHmyx/ZM8SwKDqfLSNT cOZTijsfaM/nkd9lhgeN1orXvk2F4wp6gYqUmzSoviIFMsNf0ddpzXbMJZ5zMoH2M06h 5b54iWa2zbTDuuhcUKe8WqQ1njbBfpUTRN7oM= From: Frederic Weisbecker To: Ingo Molnar Cc: LKML , Hitoshi Mitake , Ingo Molnar , Peter Zijlstra , Paul Mackerras , Arnaldo Carvalho de Melo , Jens Axboe , Jason Baron , Xiao Guangrong , Frederic Weisbecker Subject: [PATCH 10/10] perf lock: Drop "-a" option from cmd_record() default arguments set Date: Sun, 9 May 2010 22:43:38 +0200 Message-Id: <1273437818-8130-11-git-send-regression-fweisbec@gmail.com> X-Mailer: git-send-regression X-Mailer-version: 0.1, "The maintainer couldn't reproduce after one week full time debugging" special version. In-Reply-To: <1273437818-8130-1-git-send-regression-fweisbec@gmail.com> References: <1273437818-8130-1-git-send-regression-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hitoshi Mitake This patch drops "-a" from the default arguments passed to perf record by perf lock. If a user wants to do a system wide record of lock events, perf lock record -a ... is enough for this purpose. This can reduce the size of the perf.data file. % sudo ./perf lock record whoami root [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.439 MB perf.data (~19170 samples) ] % sudo ./perf lock record -a whoami # with -a option root [ perf record: Woken up 0 times to write data ] [ perf record: Captured and wrote 48.962 MB perf.data (~2139197 samples) ] Signed-off-by: Hitoshi Mitake Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Jens Axboe Cc: Jason Baron Cc: Xiao Guangrong LKML-Reference: Message-Id: <1273306229-5216-1-git-send-email-mitake@dcl.info.waseda.ac.jp> Signed-off-by: Frederic Weisbecker --- tools/perf/builtin-lock.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index e549f45..e18dfdc 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -930,7 +930,6 @@ static const struct option lock_options[] = { static const char *record_args[] = { "record", - "-a", "-R", "-f", "-m", "1024", -- 1.6.2.3