Re: [PATCH] Documentation: Remove text on tracepoint samples

From: Mathieu Desnoyers
Date: Fri Mar 15 2013 - 11:05:38 EST


* Paul Bolle (pebolle@xxxxxxxxxx) wrote:
> The tracepoint sample code got removed. Remove a few lines on its usage
> too.
>
> Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>

Thanks!

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>

> ---
> Documentation/trace/tracepoints.txt | 15 ---------------
> 1 file changed, 15 deletions(-)
>
> diff --git a/Documentation/trace/tracepoints.txt b/Documentation/trace/tracepoints.txt
> index c0e1cee..da49437 100644
> --- a/Documentation/trace/tracepoints.txt
> +++ b/Documentation/trace/tracepoints.txt
> @@ -81,7 +81,6 @@ tracepoint_synchronize_unregister() must be called before the end of
> the module exit function to make sure there is no caller left using
> the probe. This, and the fact that preemption is disabled around the
> probe call, make sure that probe removal and module unload are safe.
> -See the "Probe example" section below for a sample probe module.
>
> The tracepoint mechanism supports inserting multiple instances of the
> same tracepoint, but a single definition must be made of a given
> @@ -100,17 +99,3 @@ core kernel image or in modules.
> If the tracepoint has to be used in kernel modules, an
> EXPORT_TRACEPOINT_SYMBOL_GPL() or EXPORT_TRACEPOINT_SYMBOL() can be
> used to export the defined tracepoints.
> -
> -* Probe / tracepoint example
> -
> -See the example provided in samples/tracepoints
> -
> -Compile them with your kernel. They are built during 'make' (not
> -'make modules') when CONFIG_SAMPLE_TRACEPOINTS=m.
> -
> -Run, as root :
> -modprobe tracepoint-sample (insmod order is not important)
> -modprobe tracepoint-probe-sample
> -cat /proc/tracepoint-sample (returns an expected error)
> -rmmod tracepoint-sample tracepoint-probe-sample
> -dmesg
> --
> 1.7.11.7
>

--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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