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Message-ID: <20120720171313.GC2885@burratino> Date: Fri, 20 Jul 2012 12:13:14 -0500 From: Jonathan Nieder <jrnieder@...il.com> To: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, stable@...r.kernel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Ingo Molnar <mingo@...nel.org> Subject: Re: [ 11/37] sched/nohz: Rewrite and fix load-avg computation -- again Peter Zijlstra wrote: > On Tue, 2012-07-17 at 19:16 -0500, Jonathan Nieder wrote: >> I'm thrilled to see this regression fix for stable@, but are we really >> really sure that it won't cause new regressions? > > Doug Smythies ran a ~68 hour test on it, running various synthetic loads > of various frequencies against it and comparing the reported load > averages against the expected values and found it to be 'good'. > > This doesn't guarantee we won't find more 'interesting' problems in > there, but it does give me fair confidence in it. Yeah, that sounds good. Very nice to hear. Is the code to generate the synthetic loads and expected results somewhere easy to find (like LTP or tools/testing) to make it easier to keep this code working well in the future? Grateful, Jonathan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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