Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752920AbZIGMha (ORCPT ); Mon, 7 Sep 2009 08:37:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752647AbZIGMh2 (ORCPT ); Mon, 7 Sep 2009 08:37:28 -0400 Received: from an-out-0708.google.com ([209.85.132.249]:2373 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752537AbZIGMhZ (ORCPT ); Mon, 7 Sep 2009 08:37:25 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:reply-to:to:cc:content-type:organization:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=HOAl1+QDa2LEXCKlcbMM4jputGZXEC9ojKITHnnWmlI8XkA/GvmX+toZLpwob3V5OJ VjY12iRzK/Z4GjqF8zpNRQejdeeCegGkSlJmDPL7Q2gA30oy7NWxDYc4LeXpDF5yhu8s cltO0+r7ERzbClv9Ltr/zJATD/b1K5hTcmUwQ= Subject: [PATCH 1/5] debugfs - Fix mount directory of debugfs by default in events.txt From: GeunSik Lim Reply-To: leemgs1@gmail.com To: Greg KH Cc: linux-kernel , mathieu.desnoyers@polymtl.ca Content-Type: text/plain Organization: Private Date: Mon, 07 Sep 2009 21:37:17 +0900 Message-Id: <1252327037.2153.96.camel@centos51> Mime-Version: 1.0 X-Mailer: Evolution 2.8.0 (2.8.0-40.el5_1.1) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3997 Lines: 111 >From 99e8ab48d783e619329c31e8f91e4384729a2e8b Mon Sep 17 00:00:00 2001 From: GeunSik,Lim Date: Mon, 7 Sep 2009 20:34:19 +0900 Subject: [PATCH 1/5] Fix mount directory of debugfs by default in events.txt We need common default directory of denbugfs for consistency. (debugfs's default directory is /sys/kernel/debug/ by debugfs.) Signed-Off-By:GeunSik Lim --- Documentation/trace/events.txt | 24 ++++++++++++------------ 1 files changed, 12 insertions(+), 12 deletions(-) diff --git a/Documentation/trace/events.txt b/Documentation/trace/events.txt index f157d75..3b72823 100644 --- a/Documentation/trace/events.txt +++ b/Documentation/trace/events.txt @@ -22,12 +22,12 @@ tracing information should be printed. --------------------------------- The events which are available for tracing can be found in the file -/debug/tracing/available_events. +/sys/kernel/debug/tracing/available_events. To enable a particular event, such as 'sched_wakeup', simply echo it -to /debug/tracing/set_event. For example: +to /sys/kernel/debug/tracing/set_event. For example: - # echo sched_wakeup >> /debug/tracing/set_event + # echo sched_wakeup >> /sys/kernel/debug/tracing/set_event [ Note: '>>' is necessary, otherwise it will firstly disable all the events. ] @@ -35,15 +35,15 @@ to /debug/tracing/set_event. For example: To disable an event, echo the event name to the set_event file prefixed with an exclamation point: - # echo '!sched_wakeup' >> /debug/tracing/set_event + # echo '!sched_wakeup' >> /sys/kernel/debug/tracing/set_event To disable all events, echo an empty line to the set_event file: - # echo > /debug/tracing/set_event + # echo > /sys/kernel/debug/tracing/set_event To enable all events, echo '*:*' or '*:' to the set_event file: - # echo *:* > /debug/tracing/set_event + # echo *:* > /sys/kernel/debug/tracing/set_event The events are organized into subsystems, such as ext4, irq, sched, etc., and a full event name looks like this: :. The @@ -52,29 +52,29 @@ file. All of the events in a subsystem can be specified via the syntax ":*"; for example, to enable all irq events, you can use the command: - # echo 'irq:*' > /debug/tracing/set_event + # echo 'irq:*' > /sys/kernel/debug/tracing/set_event 2.2 Via the 'enable' toggle --------------------------- -The events available are also listed in /debug/tracing/events/ hierarchy +The events available are also listed in /sys/kernel/debug/tracing/events/ hierarchy of directories. To enable event 'sched_wakeup': - # echo 1 > /debug/tracing/events/sched/sched_wakeup/enable + # echo 1 > /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable To disable it: - # echo 0 > /debug/tracing/events/sched/sched_wakeup/enable + # echo 0 > /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable To enable all events in sched subsystem: - # echo 1 > /debug/tracing/events/sched/enable + # echo 1 > /sys/kernel/debug/tracing/events/sched/enable To eanble all events: - # echo 1 > /debug/tracing/events/enable + # echo 1 > /sys/kernel/debug/tracing/events/enable When reading one of these enable files, there are four results: -- 1.6.3.1 ----------------------------------------------- To unsubscribe from this list: send the line "unsubscribe linux-***" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ GeunSik Lim ( Samsung Electronics ) e-Mail :1) geunsik.lim@samsung.com 2) leemgs@gmail.com , leemgs1@gmail.com HomePage: http://blog.naver.com/invain/ ----------------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/