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: [cpufreq/intel_pstate] 1abc4b20b85: +7.3% turbostat.Pkg_W
Date: Wed, 19 Feb 2014 07:46:44 -0800 [thread overview]
Message-ID: <5304D1E4.2070009@intel.com> (raw)
In-Reply-To: <20140219140628.GA8097@localhost>
On 02/19/2014 06:06 AM, Fengguang Wu wrote:
> Hi Dirk,
>
> FYI, we noticed the below changes on commit 1abc4b20b85b42e8573957e54b193385cf48b0d6
> ("cpufreq / intel_pstate: remove idle time and duration from sample and calculations"):
>
This commit was a LONG time ago. How does this compare to the current state of
the driver?
This functionality was added back in commit fcb6a15c2e7e76
--Dirk
> test case: snb-drag/sysbench/fileio/600s-100%-1HDD-btrfs-64G-1024-seqrd-sync
>
> 559f56c70fc90bd 1abc4b20b85b42e8573957e54
> --------------- -------------------------
> 1.61 ~ 0% +32.2% 2.13 ~ 0% TOTAL turbostat.GHz
> 0.86 ~ 3% +15.3% 0.99 ~ 1% TOTAL turbostat.%pc3
> 11.03 ~ 1% -11.9% 9.72 ~ 1% TOTAL turbostat.%c1
> 5.36 ~ 0% -21.8% 4.19 ~ 0% TOTAL turbostat.%c0
> 2.67 ~ 0% +18.2% 3.15 ~ 0% TOTAL turbostat.Cor_W
> 6.66 ~ 0% +7.3% 7.15 ~ 0% TOTAL turbostat.Pkg_W
> 1278688 ~ 4% -16.6% 1066682 ~ 4% TOTAL cpuidle.C1-SNB.usage
> 70490 ~ 1% -13.1% 61235 ~ 1% TOTAL cpuidle.C3-SNB.usage
> 472542 ~ 2% -13.7% 408029 ~ 2% TOTAL cpuidle.C1E-SNB.usage
> 1.788e+08 ~ 5% -15.4% 1.512e+08 ~ 5% TOTAL cpuidle.C1-SNB.time
> 3.777e+08 ~ 1% -12.4% 3.311e+08 ~ 0% TOTAL cpuidle.C1E-SNB.time
> 2213808 ~ 1% -14.6% 1890218 ~ 0% TOTAL interrupts.RES
> 920130 ~ 5% -13.9% 791994 ~ 5% TOTAL interrupts.LOC
> 52713 ~ 0% -14.9% 44878 ~ 0% TOTAL softirqs.TIMER
>
> test case: hackbench, netperf and dbench
>
> 559f56c70fc90bd 1abc4b20b85b42e8573957e54
> --------------- -------------------------
> 312046 ~ 1% -47.3% 164399 ~ 0% lkp-snb01/micro/hackbench/1600%-threads-pipe
> 151815 ~ 0% -0.8% 150593 ~ 0% lkp-snb01/micro/hackbench/1600%-threads-socket
> 463862 ~ 0% -32.1% 314993 ~ 0% TOTAL hackbench.throughput
>
> 559f56c70fc90bd 1abc4b20b85b42e8573957e54
> --------------- -------------------------
> 2761 ~ 0% -1.8% 2713 ~ 0% lkp-a04/micro/netperf/120s-200%-UDP_RR
> 2761 ~ 0% -1.8% 2713 ~ 0% TOTAL netperf.Throughput_tps
>
> 559f56c70fc90bd 1abc4b20b85b42e8573957e54
> --------------- -------------------------
> 8276 ~ 0% -0.3% 8247 ~ 0% nhm8/micro/dbench/100%
> 8276 ~ 0% -0.3% 8247 ~ 0% TOTAL dbench.throughput-MB/sec
>
> Thanks,
> Fengguang
>
prev parent reply other threads:[~2014-02-19 15:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-19 14:06 [cpufreq/intel_pstate] 1abc4b20b85: +7.3% turbostat.Pkg_W Fengguang Wu
2014-02-19 15:46 ` Dirk Brandewie [this message]
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