linux-kernel - Re: [PATCH] perf sched: Add max delay time snapshot

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Date:	Thu, 10 Dec 2009 16:46:07 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH] perf sched: Add max delay time snapshot



Ingo Molnar wrote:

> Actually, i think the natural solution here is not any ugly interaction 
> between two largely disjunct sets of APIs, but a new feature: to turn 
> the function tracer into an event.
> 
> That would allow perf sched to also record function traces if so 
> desired. And it would also allow a whole lot of other things - mixing 
> function tracer events and other events.

It's a useful feature! :-)

Thanks,
Xiao
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