linux-kernel - Re: [PATCH 3/3] tracing/ksym_tracer: support quick clear for ksym_trace

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Date:	Thu, 23 Jul 2009 20:46:28 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
cc:	Ingo Molnar <mingo@...e.hu>,
	"K.Prasad" <prasad@...ux.vnet.ibm.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] tracing/ksym_tracer: support quick clear for
 ksym_trace_filter -- v2



On Thu, 23 Jul 2009, Xiao Guangrong wrote:

> It's rather bored to clear symbol one by one in ksym_trace_filter
> file, so, this patch can let ksym_trace_filter file support quick
> clear, we can write "0" to this file, it can clear all symbols
>  
> for example:
>  # cat ksym_trace_filter
>  ksym_filter_head:rw-
>  global_trace:rw-
>  # echo 0 > ksym_trace_filter
>  # cat ksym_trace_filter
>  #
> 
> Changelog v1->v2:
> Add other way to clear all breakpoints by writing NULL or "*:---"
> to ksym_trace_filter file base on K.Prasad's suggestion

Thanks guys, I'll go ahead and queue this up for 32.

-- Steve

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