From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: perf: prctl(PR_TASK_PERF_EVENTS_DISABLE) has no effect
Date: Fri, 27 Jan 2012 18:12:43 +0100
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To: Andrew Steets <asteets@rgmadvisors.com>
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>, Arnaldo Carvalho de Melo <acme@ghostprotocols.net>

On Fri, 2012-01-27 at 11:03 -0600, Andrew Steets wrote:
> Can anyone tell
> me if I'm using this wrong or if this is a bug? 

You're using it wrong, it will disable events you own (created) not
events that monitor you.