linux-kernel - Re: PERF_EVENT_IOC_SET

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Message-ID: <20131003064351.GG25345@gmail.com>
Date:	Thu, 3 Oct 2013 08:43:51 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org, "Kleen, Andi" <andi.kleen@...el.com>,
	"Shishkin, Alexander" <alexander.shishkin@...el.com>
Subject: Re: PERF_EVENT_IOC_SET_OUTPUT


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Wed, Oct 02, 2013 at 02:29:01PM +0200, Ingo Molnar wrote:
> > 
> > Btw., this does not seem to be working very well when the perf context is 
> > inherited:
> 
> https://lkml.org/lkml/2011/7/21/124
> 
> Never figured that one out :-(

Hm, maybe the various fixes over the past 2.5 years would make it work 
today?

If you find time to send an updated version that boots then I can try to 
trace it to figure out where it fails, if it still fails.

Thanks,

	Ingo
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