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 ` [PATCH 1/5] debugfs - Fix mount directory of debugfs by default in events.txt 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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.