linux-kernel - Re: [PATCH 4/4] perf, x86: Fix event scheduler to solve complex scheduling problems

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Message-ID: <1302948520.32491.10.camel@twins>
Date:	Sat, 16 Apr 2011 12:08:40 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Robert Richter <robert.richter@....com>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frédéric Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 4/4] perf, x86: Fix event scheduler to solve complex
 scheduling problems

On Sat, 2011-04-16 at 11:43 +0200, Ingo Molnar wrote:
> I'd also prefer if we first had actual testcases in 'perf test' for all these 
> failures - it took an *awfully* long time to find these regressions (the event 
> scheduler code has been committed for months), while with proper testcases it 
> would only take a second to run 'perf test'. 

These cases only exist on AMD F15, I don't think there's many people
with such systems around.
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