Re: [PATCH 0/4] Fix ebizzy performance regression due to X86 TLBrange flush v2

From: Ingo Molnar
Date: Wed Dec 18 2013 - 05:24:21 EST



* Mel Gorman <mgorman@xxxxxxx> wrote:

> > Thanks again for going through all this. Tracking multi-commit
> > performance regressions across 1.5 years worth of commits is
> > generally very hard. Does your testing effort comes from
> > enterprise Linux QA testing, or did you ran into this problem
> > accidentally?
>
> It does not come from enterprise Linux QA testing but it's motivated
> by it. I want to catch as many "obvious" performance bugs before
> they do as it saves time and stress in the long run. To assist that,
> I setup continual performance regression testing and ebizzy was
> included in the first report I opened. [...]

Neat!

> [...] It makes me worry what the rest of the reports contain.

It will be full with reports of phenomenal speedups!

Thanks,

Ingo
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