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SubjectRe: [PATCH] kprobetrace: documentation fix
KOSAKI Motohiro wrote:
>
> shell interpret $val is as shell variable. thus we need quote if
> we use echo command.

Right.
Thank you for fixing!

> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>

Acked-by: Masami Hiramatsu <mhiramat@redhat.com>

> ---
> Documentation/trace/kprobetrace.txt | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt
> index 47aabee..2be6e19 100644
> --- a/Documentation/trace/kprobetrace.txt
> +++ b/Documentation/trace/kprobetrace.txt
> @@ -82,13 +82,13 @@ Usage examples
> To add a probe as a new event, write a new definition to kprobe_events
> as below.
>
> - echo p:myprobe do_sys_open dfd=$arg0 filename=$arg1 flags=$arg2 mode=$arg3 > /sys/kernel/debug/tracing/kprobe_events
> + echo 'p:myprobe do_sys_open dfd=$arg0 filename=$arg1 flags=$arg2 mode=$arg3' > /sys/kernel/debug/tracing/kprobe_events
>
> This sets a kprobe on the top of do_sys_open() function with recording
> 1st to 4th arguments as "myprobe" event. As this example shows, users can
> choose more familiar names for each arguments.
>
> - echo r:myretprobe do_sys_open $retval >> /sys/kernel/debug/tracing/kprobe_events
> + echo 'r:myretprobe do_sys_open $retval' >> /sys/kernel/debug/tracing/kprobe_events
>
> This sets a kretprobe on the return point of do_sys_open() function with
> recording return value as "myretprobe" event.

--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com



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