[Qemu-devel] Re: [PATCH RFC] virtio_blk: Use blk-iopoll for host->guest notify

2010-05-18 Thread Jens Axboe
On Tue, May 18 2010, Stefan Hajnoczi wrote: > On Fri, May 14, 2010 at 05:30:56PM -0500, Brian Jackson wrote: > > Any preliminary numbers? latency, throughput, cpu use? What about comparing > > different "weights"? > > I am running benchmarks and will report results when they are in. I'm very int

[Qemu-devel] Re: [PATCH RFC] virtio_blk: Use blk-iopoll for host->guest notify

2010-05-18 Thread Stefan Hajnoczi
On Fri, May 14, 2010 at 05:30:56PM -0500, Brian Jackson wrote: > Any preliminary numbers? latency, throughput, cpu use? What about comparing > different "weights"? I am running benchmarks and will report results when they are in. Stefan

[Qemu-devel] Re: [PATCH RFC] virtio_blk: Use blk-iopoll for host->guest notify

2010-05-14 Thread Brian Jackson
On Friday, May 14, 2010 03:47:37 pm Stefan Hajnoczi wrote: > This patch adds blk-iopoll interrupt mitigation to virtio-blk. Instead > of processing completed requests inside the virtqueue interrupt handler, > a softirq is scheduled to process up to a maximum number of completed > requests in one g