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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>,
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        =?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: Tue, 08 Nov 2011 13:20:25 +0100
In-Reply-To: <20111108121501.GA1022@elte.hu>
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On Tue, 2011-11-08 at 13:15 +0100, Ingo Molnar wrote:
> 
> The one notable thing that isnt being tested in a natural way is the 
> 'group of events' abstraction - which, ironically, has been added on 
> the perfmon guys' insistence. No app beyond the PAPI self-test makes 
> actual use of it though, which results in an obvious lack of testing. 

Also the self monitor stuff, perf-tool doesn't use that for obvious
reasons.