[Ksummit-discuss] [TECH TOPIC] benchmarking and performance trends

[Kristen Accardi]

On Wed, Jul 15, 2015 at 12:58 PM Chris Mason <clm at fb.com> wrote:

> On Wed, Jul 15, 2015 at 08:39:55PM +0100, David Woodhouse wrote:
> > On Wed, 2015-07-15 at 19:23 +0000, Kristen Accardi wrote:
> > > I am very interested to hear what if any benchmarks people are doing
> > > on non-server platforms as well.  I find it difficult to know what
> > > benchmarks customers think are important for upstream linux for
> > > desktop and mobile systems that are not running Android or Chrome,
> > > and would love to hear what others are using.
> >
> > I would imagine the most interesting metrics are all about power vs.
> > performance, rather than pure performance.
> >
> > In fact, in the server environment where you have to pay for the power
> > in the first place, and then pay again for the air conditioning to
> > extract the resulting heat, I'm surprised it isn't already more of a
> > consideration.
>
> It would be fun to use turbostat or a rack power meter to
> measure/compare power usage between two kernels in a given benchmark.  I
> think the power meters we do have are not going to be fine grained
> enough to give valid results, but if turbostat is consistent enough we
> could try it.
>
> -chris
>
>
Artem has setup this capability with 2 server benchmarks (specpower and
specweb) and has been taking a look at upstream kernel PnP with regard to
these benchmarks on specific intel platforms.
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