linux-kernel - Re: [BUG(?)] perf_events: combining multiple tracepoint events into a group produces no counts on member events

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Date:	Thu, 09 Dec 2010 20:56:35 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [BUG(?)] perf_events: combining multiple tracepoint events
 into a group produces no counts on member events

On Thu, 2010-12-02 at 00:58 -0800, Corey Ashford wrote:
> So the patch mentioned above, https://lkml.org/lkml/2010/11/24/584, has 
> a bug, but since it didn't get committed, I suppose it's not a problem. 
>   If anyone is still interested, I can post a v4 of that patch. 

Yeah, I think something like that would be useful.
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