From: Dirk Brandewie <dirk.brandewie@gmail.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: dirk.j.brandewie@intel.com,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org
Subject: Re: [intel_pstate] fcb6a15c: -34.4% aim7 jobs-per-min and -17.0% will-it-scale/page_fault1 Pkg_W
Date: Mon, 10 Feb 2014 07:54:17 -0800 [thread overview]
Message-ID: <52F8F629.7040006@intel.com> (raw)
In-Reply-To: <20140207123315.GA3448@localhost>
On 02/07/2014 04:33 AM, Fengguang Wu wrote:
> Hi Dirk,
>
> FYI, we notice dropped power and performance numbers on commit
> fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 ("intel_pstate: Take core C0
> time into account for core busy calculation").
>
>
> v3.14-rc1 fcb6a15c2e7e76d493e6f91ea
> --------------- -------------------------
> 6.53 ~ 4% -12.0% 5.75 ~ 2% lkp-sb03/micro/netperf/120s-200%-SCTP_STREAM
> 147.93 ~ 0% -23.3% 113.40 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1
> 154.46 ~ 0% -22.9% 119.15 ~ 0% TOTAL turbostat.Cor_W
>
> v3.14-rc1 fcb6a15c2e7e76d493e6f91ea
> --------------- -------------------------
> 203 ~ 0% -17.0% 169 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1
> 203 ~ 0% -17.0% 169 ~ 0% TOTAL turbostat.Pkg_W
>
These two tests show an improvement in power :-)
> v3.14-rc1 fcb6a15c2e7e76d493e6f91ea
> --------------- -------------------------
> 572540 ~ 1% -30.2% 399351 ~ 1% grantley/micro/aim7/disk_src
> 317151 ~ 1% -42.0% 183863 ~ 0% grantley/micro/aim7/shell_rtns_1
> 889692 ~ 1% -34.4% 583214 ~ 1% TOTAL aim7.2000.jobs-per-min
>
I am investigating where the aim benchmark went south.
prev parent reply other threads:[~2014-02-10 15:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-07 12:33 [intel_pstate] fcb6a15c: -34.4% aim7 jobs-per-min and -17.0% will-it-scale/page_fault1 Pkg_W Fengguang Wu
2014-02-10 15:54 ` Dirk Brandewie [this message]
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