linux-kernel - Re: [PATCH] tracing/syscalls: Fix the output of syscalls with no arguments

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Message-ID: <20090820113415.GA6069@nowhere>
Date:	Thu, 20 Aug 2009 13:34:18 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	Jason Baron <jbaron@...hat.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tracing/syscalls: Fix the output of syscalls with no
	arguments

On Thu, Aug 20, 2009 at 04:13:35PM +0800, Li Zefan wrote:
> Before:
> 
>   # echo 1 > events/syscalls/sys_enter_sync/enable
>   # cat events/syscalls/sys_enter_sync/format
>   ...
>         field:int nr;   offset:12;      size:4;
> 
>   print fmt: "# sync
>   # cat trace
>   ...
>             sync-8950  [000]  2366.087670: sys_sync(
> 
> After:
> 
>   # echo 1 > events/syscalls/sys_enter_sync/enable
>   # cat events/syscalls/sys_enter_sync/format
>   ...
>         field:int nr;   offset:12;      size:4;
> 
>   print fmt: ""
>   # sync
>   # cat trace
>             sync-2134  [001]   136.780735: sys_sync()
> 
> Reported-by: Masami Hiramatsu <mhiramat@...hat.com>
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
> ---


Thanks for fixing this!

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