From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Galbraith <umgwanakikbuti@gmail.com>
Subject: Re: [regression] cross core scheduling frequency drop bisected to
 0c313cb20732
Date: Sat, 09 Apr 2016 09:27:26 +0200
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To: Doug Smythies <dsmythies@telus.net>
Cc: 'Peter Zijlstra' <peterz@infradead.org>, "'Rafael J. Wysocki'" <rafael.j.wysocki@intel.com>, 'LKML' <linux-kernel@vger.kernel.org>, 'Linux PM list' <linux-pm@vger.kernel.org>, 'Rik van Riel' <riel@redhat.com>, "'Rafael J. Wysocki'" <rjw@rjwysocki.net>

On Sat, 2016-04-09 at 00:17 -0700, Doug Smythies wrote:

> I still didn't find the exact same program, but I think I found some
> earlier version of the correct test.
> 
> I get (long term average):
> Kernel 4.4.0-17: Powersave 3.93 usecs/loop ; Performance 3.93 usecs/loop 0.89
> Kernel 4.5-rc7: Powersave 3.47 usecs/loop ; Performance 3.51 usecs/loop  1.00
> Kernel 4.6-rc1: Powersave 3.84 usecs/loop ; Performance 3.88 usecs/loop  0.90
> 
> So, similar results (so far, I didn't try reverted yet).

I likely see a bit more go missing because I throttle no_hz when idle
is being hammered at high frequency.

	-Mike