On 01/10/2018 03:18 AM, Fam Zheng wrote: > This is a new protocol driver that exclusively opens a host NVMe > controller through VFIO. It achieves better latency than linux-aio by > completely bypassing host kernel vfs/block layer. > > $rw-$bs-$iodepth linux-aio nvme:// > ---------------------------------------- > randread-4k-1 10.5k 21.6k > randread-512k-1 745 1591 > randwrite-4k-1 30.7k 37.0k > randwrite-512k-1 1945 1980 > > (unit: IOPS) > > The driver also integrates with the polling mechanism of iothread. > > This patch is co-authored by Paolo and me.
Then shouldn't you include Paolo's S-o-b? > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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