On Sat, Aug 30, 2025 at 08:00:00AM -0400, Brian Song wrote: > We used fio to test a 1 GB file under both traditional FUSE and > FUSE-over-io_uring modes. The experiments were conducted with the > following iodepth and numjobs configurations: 1-1, 64-1, 1-4, and 64-4, > with 70% read and 30% write, resulting in a total of eight test cases, > measuring both latency and throughput. > > Test results: > > https://gist.github.com/hibriansong/a4849903387b297516603e83b53bbde4
CCing Eugenio, who is looking at optimizing FUSE server performance using virtiofs with VDUSE. > > > > > On 8/29/25 10:50 PM, Brian Song wrote: > > Hi all, > > > > This is a GSoC project. More details are available here: > > https://wiki.qemu.org/Google_Summer_of_Code_2025#FUSE-over-io_uring_exports > > > > This patch series includes: > > - Add a round-robin mechanism to distribute the kernel-required Ring > > Queues to FUSE Queues > > - Support multiple in-flight requests (multiple ring entries) > > - Add tests for FUSE-over-io_uring > > > > More detail in the v2 cover letter: > > https://lists.nongnu.org/archive/html/qemu-block/2025-08/msg00140.html > > > > And in the v1 cover letter: > > https://lists.nongnu.org/archive/html/qemu-block/2025-07/msg00280.html > > > > > > Brian Song (4): > > export/fuse: add opt to enable FUSE-over-io_uring > > export/fuse: process FUSE-over-io_uring requests > > export/fuse: Safe termination for FUSE-uring > > iotests: add tests for FUSE-over-io_uring > > > > block/export/fuse.c | 838 +++++++++++++++++++++------ > > docs/tools/qemu-storage-daemon.rst | 11 +- > > qapi/block-export.json | 5 +- > > storage-daemon/qemu-storage-daemon.c | 1 + > > tests/qemu-iotests/check | 2 + > > tests/qemu-iotests/common.rc | 45 +- > > util/fdmon-io_uring.c | 5 +- > > 7 files changed, 717 insertions(+), 190 deletions(-) > > >
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