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Date: Tue, 16 Jun 2015 02:46:27 +0800
From: Yuyang Du <yuyang.du@intel.com>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: mingo@kernel.org, peterz@infradead.org, linux-kernel@vger.kernel.org,
        pjt@google.com, bsegall@google.com, morten.rasmussen@arm.com,
        vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
        arjan.van.de.ven@intel.com, len.brown@intel.com,
        rafael.j.wysocki@intel.com, fengguang.wu@intel.com,
        Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Subject: Re: [PATCH v8 0/4] sched: Rewrite runnable load and utilization
 average tracking
Message-ID: <20150615184627.GA1244@intel.com>
References: <1432518587-114210-1-git-send-email-yuyang.du@intel.com>
 <20150609012143.GC522@intel.com>
 <20150615103856.GA9722@fixme-laptop.cn.ibm.com>
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Hi Boqun,

Thanks for the tests.

Indeed I can't find the 8th versio myself in the archive. That is weird.
Vincent sure received the patches, but maybe not the list, then that is
interesting...

Anyway, I will rebase the patches up-to-date, and resend it to the list
shortly.

Regarding test results, "less than 50% sometimes" meaning imbalanced?
What about versus the stock kernel?

Regards,
Yuyang

On Mon, Jun 15, 2015 at 06:38:56PM +0800, Boqun Feng wrote:
> Hi Yuyang,
> 
> We have tested your V7 patchset as follow:
> 
> On Intel(R) Xeon(R) CPU X5690 (12 cores), run 12 stress and 6 dbench.
> Results show that usages of some CPUs are less than 50% sometimes.
> 
> We would like to test your V8 patchset, but I can neither find it in a
> lkml archive, nor in my lkml subscription. Would you please send me your
> V8 patchset, if convenient? Or a public git tree works too!
> 
> Regards,
> Boqun
> 
> On Tue, Jun 09, 2015 at 09:21:43AM +0800, Yuyang Du wrote:
> > Ping ...
> > 
> > Plus some data tested by LKP:
> > 
> > To name a few host configurations:
> > 
> > host: brickland3
> > model: Brickland Ivy Bridge-EX
> > nr_cpu: 120
> > memory: 512G
> > 
> > host: lkp-a03
> > model: Atom
> > memory: 8G
> > 
> > host: grantley
> > model: Grantley Haswell-EP
> > memory: 32G
> > 
> > host: ivb43
> > model: Ivytown Ivy Bridge-EP
> > nr_cpu: 48
> > memory: 64G
> > 
> [snip]