Re: [libvirt] [PATCH] qemu: make block io tuning smarter

2012-02-13 Thread Eric Blake
On 02/13/2012 12:01 AM, Osier Yang wrote: > On 02/11/2012 05:56 AM, Eric Blake wrote: >> When blkdeviotune was first committed in 0.9.8, we had the limitation >> that setting one value reset all others. But bytes and iops should >> be relatively independent. Furthermore, setting tuning values on

Re: [libvirt] [PATCH] qemu: make block io tuning smarter

2012-02-12 Thread Osier Yang
On 02/11/2012 05:56 AM, Eric Blake wrote: When blkdeviotune was first committed in 0.9.8, we had the limitation that setting one value reset all others. But bytes and iops should be relatively independent. Furthermore, setting tuning values on a live domain followed by dumpxml did not output th

[libvirt] [PATCH] qemu: make block io tuning smarter

2012-02-10 Thread Eric Blake
When blkdeviotune was first committed in 0.9.8, we had the limitation that setting one value reset all others. But bytes and iops should be relatively independent. Furthermore, setting tuning values on a live domain followed by dumpxml did not output the new settings. * src/qemu/qemu_driver.c (q