Message ID | 20230808155852.2745350-1-stefanha@redhat.com |
---|---|
Headers | show |
Series | block: change reqs_lock to QemuMutex | expand |
Am 08.08.2023 um 17:58 hat Stefan Hajnoczi geschrieben: > As part of the ongoing multi-queue QEMU block layer work, I found that CoMutex > reqs_lock scales poorly when more IOThreads are added. These patches double > IOPS in the 4 IOThreads randread benchmark that I have been running with my > out-of-tree virtio-blk-iothread-vq-mapping branch > (https://gitlab.com/stefanha/qemu/-/commits/virtio-blk-iothread-vq-mapping). > > These patches can be merged in preparation for virtio-blk multi-queue block > layer support. Thanks, applied to the block branch. Kevin