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    Subject[PATCH 1/5] debugfs - Fix mount directory of debugfs by default in events.txt
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    >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

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    GeunSik Lim ( Samsung Electronics )
    e-Mail :1) geunsik.lim@samsung.com
    2) leemgs@gmail.com , leemgs1@gmail.com
    HomePage: http://blog.naver.com/invain/
    -----------------------------------------------


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