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| author | Asias He <asias@redhat.com> | 2012-03-30 05:24:10 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-05-22 04:46:14 +0200 |
| commit | f65ca1dc6a8c81c6bd72297d4399ec5f4c1f3a01 (patch) | |
| tree | e2c1fe6ebc2ec6a9ee6b31f06404b5df2b9f6b3d /drivers/virtio | |
| parent | virtio-blk: Fix hot-unplug race in remove method (diff) | |
| download | linux-f65ca1dc6a8c81c6bd72297d4399ec5f4c1f3a01.tar.xz linux-f65ca1dc6a8c81c6bd72297d4399ec5f4c1f3a01.zip | |
virtio_blk: Drop unused request tracking list
Benchmark shows small performance improvement on fusion io device.
Before:
seq-read : io=1,024MB, bw=19,982KB/s, iops=39,964, runt= 52475msec
seq-write: io=1,024MB, bw=20,321KB/s, iops=40,641, runt= 51601msec
rnd-read : io=1,024MB, bw=15,404KB/s, iops=30,808, runt= 68070msec
rnd-write: io=1,024MB, bw=14,776KB/s, iops=29,552, runt= 70963msec
After:
seq-read : io=1,024MB, bw=20,343KB/s, iops=40,685, runt= 51546msec
seq-write: io=1,024MB, bw=20,803KB/s, iops=41,606, runt= 50404msec
rnd-read : io=1,024MB, bw=16,221KB/s, iops=32,442, runt= 64642msec
rnd-write: io=1,024MB, bw=15,199KB/s, iops=30,397, runt= 68991msec
Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio')
0 files changed, 0 insertions, 0 deletions