From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Doug Smythies" <dsmythies@telus.net>
Subject: RE: [PATCH v6 0/3] cpufreq: Replace timers with utilization update callbacks
Date: Thu, 11 Feb 2016 23:25:18 -0800
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To: "'Rafael J. Wysocki'" <rjw@rjwysocki.net>, 'Srinivas Pandruvada' <srinivas.pandruvada@linux.intel.com>
Cc: 'Linux PM list' <linux-pm@vger.kernel.org>, 'Ingo Molnar' <mingo@kernel.org>, 'Linux Kernel Mailing List' <linux-kernel@vger.kernel.org>, 'Peter Zijlstra' <peterz@infradead.org>, 'Viresh Kumar' <viresh.kumar@linaro.org>, 'Juri Lelli' <juri.lelli@arm.com>, 'Steve Muckle' <steve.muckle@linaro.org>, 'Thomas Gleixner' <tglx@linutronix.de>

On 2016.02.11 14:50 Doug Smythies wrote:
> On 2016.02.10 22:03 Srinivas Pandruvada wrote:
>> On Wednesday, February 10, 2016 03:11:43 PM Doug Smythies wrote:

>>> My test computer has an older model i7 (Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz)
>> Thanks Doug. If you have specific workloads, please compare performance.

> My work so far has been testing functionality, with unrealistic workloads specifically
> designed to exaggerate issues, in this case the duration problem.
>
> I'll look at some real world workload scenarios.

Turbostat used for package power, starts before Phoronix tests starts,
and ends after Phoronix test ends.

Control Sample: Kernel 4.5-rc3:
Phoronix ffmpeg: turbostat 180 Sec. 12.07 Sec. Ave. 27.14 Watts.
Phoronix apache: turbostat 200 Sec. 19797.0 R.P.S. Ave. 34.01 Watts.
Phoronix kernel: turbostat 180 Sec. 139.93 Sec. 49.09 Watts.
Phoronix Postmark (Disk Test): turbostat 200 Sec. 5813 T.P.S. Ave. 21.33 Watts.

Kernel 4.5-rc3 + RJW 3 patch set version 7:
Phoronix ffmpeg: turbostat 180 Sec. 11.67 Sec. Ave. 27.35 Watts.
Phoronix apache: turbostat 200 Sec. 19430.7 R.P.S. Ave. 34.18 Watts.
Phoronix kernel: turbostat 180 Sec. 139.81 Sec. 48.80 Watts.
Phoronix Postmark (Disk Test): turbostat 200 Sec. 5683 T.P.S. Ave. 22.41 Watts.

... Doug