[dm-devel] Re: [RFC] IO scheduler based IO controller V9

[Gui Jianfeng <guijianfeng cn fujitsu com>]

Hi Vivek,

Here is the vanilla kernel and V9 comparision.

                           Normal Read  |  Random Read  |  Normal Write  |  Random Write

vanilla(Avg of 3 times)   67580 KiB/s     3540 KiB/s      61964 KiB/s      9823 KiB/s

V9(Avg of 3 times)        68954 KiB/s     3567 KiB/s      60654 KiB/s      9858 KiB/s

Performance                +2.0%           +0.7%          -2.1%             +0.3%