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Date:	Mon, 9 Nov 2009 02:58:16 +0100
From:	Frederic Weisbecker <>
To:	Lai Jiangshan <>
Cc:	Ingo Molnar <>, Steven Rostedt <>,
	Xiao Guangrong <>,
	Mathieu Desnoyers <>,,,
	Li Zefan <>,
	Thomas Gleixner <>,
	Jason Baron <>
Subject: Re: [PATCH] softirq,tracing: enable to trace softirq raise latency

On Thu, Nov 05, 2009 at 03:54:55PM +0800, Lai Jiangshan wrote:
> Add a tracepoint for tracing when softirq action is raised.
> It and the existed tracepoints complete softirq's tracepoints:
> softirq_raise, softirq_entry and softirq_exit.
> And when this tracepoint is used in combination with
> the softirq_entry tracepoint we can determine
> the softirq raise latency.
> Signed-off-by: Lai Jiangshan <>

Looks good!

Acked-by: Frederic Weisbecker <>

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