Re: [PATCH] softirq,tracing: enable to trace softirq raise latency

From: Frederic Weisbecker
Date: Sun Nov 08 2009 - 20:58:35 EST


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 <laijs@xxxxxxxxxxxxxx>


Looks good!

Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

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