Re: [Qemu-devel] Disparity between host and guest CPU utilization during disk IO benchmark

2017-07-14 Thread Stefan Hajnoczi
On Fri, Jul 14, 2017 at 12:34 AM, Nagarajan, Padhu (HPE Storage) wrote: > Thanks Stefan. Couldn't get to this earlier. Did another run and took a diff > of /proc/interrupts before and after the run. It shows all the interrupts for > 'virtio7-req.0' going to CPU1. I guess that explains the "CPU1/

Re: [Qemu-devel] Disparity between host and guest CPU utilization during disk IO benchmark

2017-07-13 Thread Nagarajan, Padhu (HPE Storage)
ay, July 11, 2017 5:19 AM To: Nagarajan, Padhu (HPE Storage) Cc: qemu-devel@nongnu.org Subject: Re: [Qemu-devel] Disparity between host and guest CPU utilization during disk IO benchmark On Mon, Jul 10, 2017 at 05:27:15PM +, Nagarajan, Padhu (HPE Storage) wrote: > Posted this in qemu-discus

Re: [Qemu-devel] Disparity between host and guest CPU utilization during disk IO benchmark

2017-07-11 Thread Stefan Hajnoczi
On Mon, Jul 10, 2017 at 05:27:15PM +, Nagarajan, Padhu (HPE Storage) wrote: > Posted this in qemu-discuss and did not get a response. Hoping that someone > here might be able to offer insights. > > I was running an 8K random-read fio benchmark inside the guest with > iodepth=32. The device u