Sure. I’ve already reworked this iothread patch upon the new irqfd patch. I think I can post a v2 patch today. Do you mean I include irqfd v3 in the new iothread patch series?
发自我的iPhone > 在 2022年8月26日，15:12，Klaus Jensen <i...@irrelevant.dk> 写道： > > On Jul 20 17:00, Jinhao Fan wrote: >> Add an option "iothread=x" to do emulation in a seperate iothread. >> This improves the performance because QEMU's main loop is responsible >> for a lot of other work while iothread is dedicated to NVMe emulation. >> Moreover, emulating in iothread brings the potential of polling on >> SQ/CQ doorbells, which I will bring up in a following patch. >> >> Iothread can be enabled by: >> -object iothread,id=nvme0 \ >> -device nvme,iothread=nvme0 \ >> >> Performance comparisons (KIOPS): >> >> QD 1 4 16 64 >> QEMU 41 136 242 338 >> iothread 53 155 245 309 >> >> Signed-off-by: Jinhao Fan <fanjinhao...@ict.ac.cn> >> --- >> hw/nvme/ctrl.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++---- >> hw/nvme/ns.c | 19 +++++++++--- >> hw/nvme/nvme.h | 6 +++- >> 3 files changed, 95 insertions(+), 10 deletions(-) >> > > Jinhao, > > Are you gonna respin this based on the irqfd patches? I suggest you just > add this work on top and post a series that is irqfd+iothread. Then, if > we find the irqfd ready for merge, we can pick that up for the next > release cycle early and continue on iothread work.
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