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Date: Mon, 05 Mar 2012 17:44:52 +0100
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Subject: Re: [Qemu-devel] virtio-blk performance regression and qemu-kvm
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Dongsu Park <dongsu.park@profitbricks.com>, kvm@vger.kernel.org, qemu-devel@nongnu.org

Am 05.03.2012 17:35, schrieb Stefan Hajnoczi:
>> 1. Test on i7 Laptop with Cpu governor "ondemand".
>> >
>> >  v0.14.1
>> >  bw=63492KB/s iops=15873
>> >  bw=63221KB/s iops=15805
>> >
>> >  v1.0
>> >  bw=36696KB/s iops=9173
>> >  bw=37404KB/s iops=9350
>> >
>> >  master
>> >  bw=36396KB/s iops=9099
>> >  bw=34182KB/s iops=8545
>> >
>> >  Change the Cpu governor to "performance"
>> >  master
>> >  bw=81756KB/s iops=20393
>> >  bw=81453KB/s iops=20257
> Interesting finding.  Did you show the 0.14.1 results with
> "performance" governor?


Hi Stefan,
all results are with "ondemand" except the one where I changed it to 
"performance"

Do you want a v0.14.1 test with the governor on "performance"?

-martin