linux-kernel - Re: [PATCH] perf_counter: Report the cloning task as parent on perf_counter

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Message-ID: <20090815091315.GA8719@elte.hu>
Date:	Sat, 15 Aug 2009 11:13:15 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	paulus@...ba.org, linux-kernel@...r.kernel.org,
	Anton Blanchard <anton@...ba.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH] perf_counter: Report the cloning task as parent on
	perf_counter_fork()


* Pekka Enberg <penberg@...helsinki.fi> wrote:

> Peter Zijlstra wrote:
>> A bug in (9f498cc: perf_counter: Full task tracing) makes profiling
>> multi-threaded apps it go belly up.
>
> Thanks!
>
> Tested-by: Pekka Enberg <penberg@...helsinki.fi>
>
> I hope the fix makes it to 2.6.31 final as perf is unusable for 
> multi-threaded applications.

Yeah, the fix is already in -rc6.

	Ingo
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