Re: [ 11/37] sched/nohz: Rewrite and fix load-avg computation --again

From: Jonathan Nieder
Date: Fri Jul 20 2012 - 13:13:17 EST


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
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