linux-kernel - Re: perf: prctl(PR_TASK_PERF_EVENTS

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Message-ID: <1327684363.2446.176.camel@twins>
Date:	Fri, 27 Jan 2012 18:12:43 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andrew Steets <asteets@...advisors.com>
Cc:	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: perf: prctl(PR_TASK_PERF_EVENTS_DISABLE) has no effect

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.
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