Re: [PATCH 1/1] ftrace: improve document

[Steven Rostedt]

On Fri, 28 Nov 2008, walimis wrote:
> 
> Signed-off-by: walimis <walimisdev@xxxxxxxxx>
> Reviewed-by: Ingo Molnar <mingo@xxxxxxx>
> Reviewed-by: Steven Rostedt <srostedt@xxxxxxxxxx>

Acked-by: Steven Rostedt <srostedt@xxxxxxxxxx>

-- Steve

> ---
>  Documentation/ftrace.txt |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/ftrace.txt b/Documentation/ftrace.txt
> index de05042..803b131 100644
> --- a/Documentation/ftrace.txt
> +++ b/Documentation/ftrace.txt
> @@ -1251,7 +1251,11 @@ These are the only wild cards which are supported.
>  
>    <match>*<match> will not work.
>  
> - # echo hrtimer_* > /debug/tracing/set_ftrace_filter
> +Note: It is better to use quotes to enclose the wild cards, otherwise
> +  the shell may expand the parameters into names of files in the local
> +  directory.
> +
> + # echo 'hrtimer_*' > /debug/tracing/set_ftrace_filter
>  
>  Produces:
>  
> @@ -1306,7 +1310,7 @@ Again, now we want to append.
>   # echo sys_nanosleep > /debug/tracing/set_ftrace_filter
>   # cat /debug/tracing/set_ftrace_filter
>  sys_nanosleep
> - # echo hrtimer_* >> /debug/tracing/set_ftrace_filter
> + # echo 'hrtimer_*' >> /debug/tracing/set_ftrace_filter
>   # cat /debug/tracing/set_ftrace_filter
>  hrtimer_run_queues
>  hrtimer_run_pending
> -- 
> 1.6.0.3
> 
> 
> 
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