From 37d984adb8857119ece46168fe9c487ba165118f Mon Sep 17 00:00:00 2001 From: GeunSik Lim Date: Mon, 7 Sep 2009 21:37:17 +0900 Subject: [PATCH] --- yaml --- r: 162591 b: refs/heads/master c: 52ad51e7a93558a218cd00059bd69881a82eb2bb h: refs/heads/master i: 162589: 4327215ee64f8a6b25b05fde21c7cd0c8dfa0449 162587: 8d74729cda57196c2cac92981f23f0cf362bb00a 162583: 60049bb4192fa980fd12bb646f5dc658e4ae80b7 162575: 698eaa401b5cab780e5e0c393c0bb75d8c7d8862 162559: 8fce62315e92a5531c91b089051f53362061e64e v: v3 --- [refs] | 2 +- trunk/Documentation/trace/events.txt | 24 ++++++++++++------------ 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/[refs] b/[refs] index 869a1ffc2b87..fe397e05d3bb 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 4a351471df352474956f1fdc7bc4e7cf6836503a +refs/heads/master: 52ad51e7a93558a218cd00059bd69881a82eb2bb diff --git a/trunk/Documentation/trace/events.txt b/trunk/Documentation/trace/events.txt index 2bcc8d4dea29..90e8b3383ba2 100644 --- a/trunk/Documentation/trace/events.txt +++ b/trunk/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: