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From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@elte.hu, Arnaldo Carvalho de Melo <acme@redhat.com>,
	paulus@samba.org, linux-kernel@vger.kernel.org,
	Anton Blanchard <anton@samba.org>,
	Arjan van de Ven <arjan@infradead.org>
Subject: Re: [PATCH] perf_counter: Report the cloning task as parent on perf_counter_fork()
Date: Sat, 15 Aug 2009 11:58:44 +0300	[thread overview]
Message-ID: <4A8678C4.4060309@cs.helsinki.fi> (raw)
In-Reply-To: <1250172882.5241.62.camel@twins>

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@cs.helsinki.fi>

I hope the fix makes it to 2.6.31 final as perf is unusable for 
multi-threaded applications.

			Pekka

  parent reply	other threads:[~2009-08-15  8:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-13  9:28 [PROBLEM] perf report is broken in latest linus git Pekka Enberg
2009-08-13  9:36 ` Ingo Molnar
2009-08-13  9:47   ` Pekka Enberg
2009-08-13 11:33     ` Peter Zijlstra
2009-08-13 12:02       ` Pekka Enberg
2009-08-13 12:24         ` Pekka Enberg
2009-08-13 14:14 ` [PATCH] perf_counter: Report the cloning task as parent on perf_counter_fork() Peter Zijlstra
2009-08-13 14:18   ` [tip:perfcounters/urgent] " tip-bot for Peter Zijlstra
2009-08-15  8:58   ` Pekka Enberg [this message]
2009-08-15  9:13     ` [PATCH] " Ingo Molnar

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