[Virtio-fs] [Qemu-devel] [PATCH 0/4] virtiofsd: multithreading preparation part 3
Stefan Hajnoczi
stefanha at gmail.com
Mon Aug 5 08:01:56 UTC 2019
On Mon, Aug 05, 2019 at 10:52:21AM +0800, piaojun wrote:
> # fio -direct=1 -time_based -iodepth=1 -rw=randwrite -ioengine=libaio -bs=1M -size=1G -numjob=1 -runtime=30 -group_reporting -name=file -filename=/mnt/9pshare/file
This benchmark configuration (--iodepth=1 --numjobs=1) cannot benefit
from virtiofsd multithreading. Have you measured a regression when this
patch series is applied?
If your benchmark is unrelated to this patch series, let's discuss it in
a separate email thread. fuse_buf_copy() can be optimized to use
pwritev().
Thanks,
Stefan
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