Re: virtio-blk performance regression and qemu-kvm

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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

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