linux-kernel - Re: [PATCH 10/11] perf/x86/intel: Support task events with Intel CQM

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Date:	Wed, 8 Oct 2014 12:01:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Matt Fleming <matt.fleming@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 10/11] perf/x86/intel: Support task events with Intel CQM

On Wed, Sep 24, 2014 at 03:04:14PM +0100, Matt Fleming wrote:
> Other perf backends stash the target task in event->hw.*target so we
> need to do something similar. The task is used to determine whether
> events should share a cache group and an RMID.

Yeah, we should maybe clean that up and provide a task target point in
the event or so. I've actually done that patch several times, but never
gotten around to finishing it or so -- sure can't seem to find it atm.
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