linux-kernel - RE: Performance of low-cpu utilisation benchmark regressed severely since 4.6

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Message-ID: <004801d2b2da$0c65d2a0$253177e0$@net>
Date:   Tue, 11 Apr 2017 08:41:09 -0700
From:   "Doug Smythies" <dsmythies@...us.net>
To:     "'Mel Gorman'" <mgorman@...hsingularity.net>
Cc:     "'Rafael Wysocki'" <rafael.j.wysocki@...el.com>,
        'Jörg Otte' <jrg.otte@...il.com>,
        "'Linux Kernel Mailing List'" <linux-kernel@...r.kernel.org>,
        "'Linux PM'" <linux-pm@...r.kernel.org>,
        "'Srinivas Pandruvada'" <srinivas.pandruvada@...ux.intel.com>,
        "'Rafael J. Wysocki'" <rafael@...nel.org>
Subject: RE: Performance of low-cpu utilisation benchmark regressed severely since 4.6

On 2017.04.11 03:03 Mel Gorman wrote:
>On Mon, Apr 10, 2017 at 10:51:38PM +0200, Rafael J. Wysocki wrote:
>> On Mon, Apr 10, 2017 at 10:41 AM, Mel Gorman wrote:
>>>
>>> It's far more obvious when looking at the git test suite and the length
>>> of time it takes to run. This is a shellscript and git intensive workload
>>> whose CPU utilisatiion is very low but is less sensitive to multiple
>>> factors than netperf and sockperf.
>> 

I would like to repeat your tests on my test computer (i7-2600K).
I am not familiar with, and have not been able to find,
"the git test suite" shellscript. Could you point me to it?

... Doug