From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
To: Kristen Accardi <kaccardi@gmail.com>, Chris Mason <clm@fb.com>,
David Woodhouse <dwmw2@infradead.org>
Cc: ksummit-discuss@lists.linuxfoundation.org
Subject: Re: [Ksummit-discuss] [TECH TOPIC] benchmarking and performance trends
Date: Fri, 17 Jul 2015 22:38:22 +0300 [thread overview]
Message-ID: <1437161902.14756.15.camel@linux.intel.com> (raw)
In-Reply-To: <CAH3eK3SaKyYkrYyRGj2o6SGc+_DqPGjef1+bm8TWL-xbCfbPfg@mail.gmail.com>
On Wed, 2015-07-15 at 20:32 +0000, Kristen Accardi wrote:
> > 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.
Yes, this is what we are trying to build/automate. Run power-aware
server benchmarks, before and after a kernel patch(es), compare, tell
the delta in a smart and easy to interpret way. Power is measured with
a real power meter. The project is internal so far.
--
Best Regards,
Artem Bityutskiy
next prev parent reply other threads:[~2015-07-17 19:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-15 15:37 [Ksummit-discuss] [TECH TOPIC] benchmarking and performance trends Chris Mason
2015-07-15 19:23 ` Kristen Accardi
2015-07-15 19:39 ` David Woodhouse
2015-07-15 19:58 ` Chris Mason
2015-07-15 20:32 ` Kristen Accardi
2015-07-17 19:38 ` Artem Bityutskiy [this message]
2015-07-16 1:35 ` Len Brown
2015-08-02 11:49 ` Fengguang Wu
2015-07-17 21:22 ` Davidlohr Bueso
2015-08-03 4:58 ` Fengguang Wu
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