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Subject: Re: [F.A.Q.] perf ABI backwards and forwards compatibility
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Ingo Molnar <mingo@elte.hu>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
        "Frank Ch. Eigler" <fche@redhat.com>, "Ted Ts'o" <tytso@mit.edu>,
        Vince Weaver <vince@deater.net>, Pekka Enberg <penberg@kernel.org>,
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        Alexander Graf <agraf@suse.de>, Blue Swirl <blauwirbel@gmail.com>,
        =?ISO-8859-1?Q?Am=E9rico?= Wang <xiyou.wangcong@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 09 Nov 2011 11:05:29 +0100
In-Reply-To: <20111108125932.GC1022@elte.hu>
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On Tue, 2011-11-08 at 13:59 +0100, Ingo Molnar wrote:
> 
> > Also the self monitor stuff, perf-tool doesn't use that for obvious 
> > reasons.
> 
> Indeed, and that's PAPI's strong point.
> 
> 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.