linux-kernel - Re: [PATCH 0/8] locking/core patches

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Message-ID: <20140211085743.GJ27965@twins.programming.kicks-ass.net>
Date:	Tue, 11 Feb 2014 09:57:43 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jason Low <jason.low2@...com>,
	Waiman Long <waiman.long@...com>, paulmck@...ux.vnet.ibm.com,
	torvalds@...ux-foundation.org, tglx@...utronix.de, riel@...hat.com,
	davidlohr@...com, hpa@...or.com, andi@...stfloor.org, aswin@...com,
	scott.norton@...com, chegu_vinod@...com
Subject: Re: [PATCH 0/8] locking/core patches

On Tue, Feb 11, 2014 at 09:45:02AM +0100, Ingo Molnar wrote:
> > heh, yes, it's stupid how long many benchmarks take.  Ditch it.  A 
> > change like this should be testable with a 30-line microbenchmark 
> > which runs in 5 seconds tops.
> 
> Another very nice option would be to stick the relevant workload 
> patterns into 'perf bench', calibrate it to emit similar figures (and 
> double check the speedup is similar as well) and thus make it an AIM7 
> work-alike microbenchmark.

/me stares at Jason and Waiman.. :-)
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