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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 09 Nov 2011 11:05:29 +0100
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Subject: Re: [Qemu-devel] [F.A.Q.] perf ABI backwards and forwards
	compatibility
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To: Ingo Molnar <mingo@elte.hu>
Cc: Alexander Graf <agraf@suse.de>, Ted Ts'o <tytso@mit.edu>, Arnaldo Carvalho de Melo <acme@redhat.com>, "kvm@vger.kernel.org
	list" <kvm@vger.kernel.org>, qemu-devel Developers <qemu-devel@nongnu.org>, Vince Weaver <vince@deater.net>, "linux-kernel@vger.kernel.org List" <linux-kernel@vger.kernel.org>, Pekka Enberg <penberg@kernel.org>, Blue Swirl <blauwirbel@gmail.com>, "Frank Ch. Eigler" <fche@redhat.com>, Pekka Enberg <penberg@cs.helsinki.fi>, Avi Kivity <avi@redhat.com>, =?ISO-8859-1?Q?Am=E9rico?= Wang <xiyou.wangcong@gmail.com>, Linus Torvalds <torvalds@linux-foundation.org>

On Tue, 2011-11-08 at 13:59 +0100, Ingo Molnar wrote:
>=20
> > Also the self monitor stuff, perf-tool doesn't use that for obvious=20
> > reasons.
>=20
> Indeed, and that's PAPI's strong point.
>=20
> We could try to utilize it via some clever LD_PRELOAD trickery?

Wouldn't be really meaningful, a perf-test case that covers it would be
much saner.