From: GeunSik Lim <leemgs1@gmail.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
mathieu.desnoyers@polymtl.ca
Subject: [PATCH 1/5] debugfs - Fix mount directory of debugfs by default in events.txt
Date: Mon, 07 Sep 2009 21:37:17 +0900 [thread overview]
Message-ID: <1252327037.2153.96.camel@centos51> (raw)
>From 99e8ab48d783e619329c31e8f91e4384729a2e8b Mon Sep 17 00:00:00 2001
From: GeunSik,Lim <leemgs1@gmail.com>
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 <geunsik.lim@samsung.com>
---
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: <subsystem>:<event>. The
@@ -52,29 +52,29 @@ file. All of the events in a subsystem can be specified via the syntax
"<subsystem>:*"; 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/
-----------------------------------------------
next reply other threads:[~2009-09-07 12:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-07 12:37 GeunSik Lim [this message]
2009-09-07 12:48 ` Peter Zijlstra
2009-09-07 18:55 ` Greg KH
2009-09-07 19:15 ` Peter Zijlstra
2009-09-07 21:30 ` Greg KH
2009-09-07 22:27 ` Steven Rostedt
2009-09-08 1:27 ` GeunSik Lim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1252327037.2153.96.camel@centos51 \
--to=leemgs1@gmail.com \
--cc=greg@kroah.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@polymtl.ca \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®