Re: [PATCHv3] tracing - support multiple pids in set_pid_ftracefile

From: Steven Rostedt
Date: Wed Sep 16 2009 - 11:51:39 EST


On Wed, 2009-09-16 at 10:15 +0200, jolsa@xxxxxxxxxx wrote:
> Adding the possibility to set more than 1 pid in the set_pid_ftrace file,
> thus allowing to trace more than 1 independent processes.
>
> Usage:
>
> sh-4.0# echo 284 > ./set_ftrace_pid
> sh-4.0# cat ./set_ftrace_pid
> 284
> sh-4.0# echo 1 >> ./set_ftrace_pid
> sh-4.0# echo 0 >> ./set_ftrace_pid
> sh-4.0# cat ./set_ftrace_pid
> swapper tasks
> 1
> 284
> sh-4.0# echo 4 > ./set_ftrace_pid
> sh-4.0# cat ./set_ftrace_pid
> 4
> sh-4.0# echo > ./set_ftrace_pid
> sh-4.0# cat ./set_ftrace_pid
> no pid
> sh-4.0#
>
>
> wbr,
> jirka
>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>

Thanks! I'll queue this up for 2.6.33. (too late for this merge window).

Nitpick. For future patches, have the subject be:

tracing: ...

not

tracing - ...

-- Steve


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