Re: [PATCH] Documentation/trace/events.txt: Remove obsoletesched_signal_send.

From: Jiri Kosina
Date: Fri Jan 07 2011 - 18:04:58 EST


On Wed, 5 Jan 2011, Tao Ma wrote:

> From: Tao Ma <boyu.mt@xxxxxxxxxx>
>
> 'sched_signal_send' doesn't exist in the kernel now. Replace it
> with 'signal_generate' so that the example in events.txt can be
> executed successfully.
>
> I also change some /debug to /sys/kernel/debug which is debugfs'
> default mount directory now(similar to commit 52ad51e).
>
> Cc: Li Zefan <lizf@xxxxxxxxxxxxxx>
> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
> Cc: Jiri Kosina <jkosina@xxxxxxx>
> Signed-off-by: Tao Ma <boyu.mt@xxxxxxxxxx>
> ---
> Documentation/trace/events.txt | 8 ++++----
> 1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/trace/events.txt b/Documentation/trace/events.txt
> index 09bd8e9..b510564 100644
> --- a/Documentation/trace/events.txt
> +++ b/Documentation/trace/events.txt
> @@ -125,7 +125,7 @@ is the size of the data item, in bytes.
> For example, here's the information displayed for the 'sched_wakeup'
> event:
>
> -# cat /debug/tracing/events/sched/sched_wakeup/format
> +# cat /sys/kernel/debug/tracing/events/sched/sched_wakeup/format
>
> name: sched_wakeup
> ID: 60
> @@ -201,19 +201,19 @@ to the 'filter' file for the given event.
>
> For example:
>
> -# cd /debug/tracing/events/sched/sched_wakeup
> +# cd /sys/kernel/debug/tracing/events/sched/sched_wakeup
> # echo "common_preempt_count > 4" > filter
>
> A slightly more involved example:
>
> -# cd /debug/tracing/events/sched/sched_signal_send
> +# cd /sys/kernel/debug/tracing/events/signal/signal_generate
> # echo "((sig >= 10 && sig < 15) || sig == 17) && comm != bash" > filter
>
> If there is an error in the expression, you'll get an 'Invalid
> argument' error when setting it, and the erroneous string along with
> an error message can be seen by looking at the filter e.g.:
>
> -# cd /debug/tracing/events/sched/sched_signal_send
> +# cd /sys/kernel/debug/tracing/events/signal/signal_generate
> # echo "((sig >= 10 && sig < 15) || dsig == 17) && comm != bash" > filter
> -bash: echo: write error: Invalid argument
> # cat filter

Applied, thanks for catching this.

--
Jiri Kosina
SUSE Labs, Novell Inc.
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