linux-kernel - Re: uprobes: fix uprobe tracer wrong documentation

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Date:	Tue, 17 Jul 2012 21:44:02 -0500
From:	Rob Landley <rob@...dley.net>
To:	Jovi Zhang <bookjovi@...il.com>
CC:	Ingo Molnar <mingo@...hat.com>, linux-doc@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, srikar@...ux.vnet.ibm.com
Subject: Re: uprobes: fix uprobe tracer wrong documentation

On 07/16/2012 03:49 AM, Jovi Zhang wrote:
> From e382d2d14b8177bcd2e6bac2fee004fd1f052cb5 Mon Sep 17 00:00:00 2001
> From: Jovi Zhang <bookjovi@...il.com <mailto:bookjovi@...il.com>>
> Date: Tue, 17 Jul 2012 00:35:30 +0800
> Subject: [PATCH] uprobes: fix uprobe tracer wrong documentation
> 
> The uprobe example is wrong in current kernel:
> $ echo 'p: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
> -bash: echo: write error: Invalid argument
> 
> It should be as following:
> $ echo 'p /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
> 
> Signed-off-by: Jovi Zhang <bookjovi@...il.com <mailto:bookjovi@...il.com>>
> ---
>  Documentation/trace/uprobetracer.txt |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/trace/uprobetracer.txt
> b/Documentation/trace/uprobetracer.txt
> index 24ce682..8932726 100644
> --- a/Documentation/trace/uprobetracer.txt
> +++ b/Documentation/trace/uprobetracer.txt
> @@ -40,7 +40,7 @@ Usage examples
>  To add a probe as a new event, write a new definition to uprobe_events
>  as below.
>  
> -  echo 'p: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
> +  echo 'p /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
>  
>   This sets a uprobe at an offset of 0x4245c0 in the executable /bin/bash

Acked. Tracking, and I'll forward if nobody else pipes up before the
merge window opens.

Rob
-- 
GNU/Linux isn't: Linux=GPLv2, GNU=GPLv3+, they can't share code.
Either it's "mere aggregation", or a license violation.  Pick one.
--
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