See if boosting the priority of the VM (see man chrt), and locking it to a core (see man taskset) helps. You'll want to do that for the vcpu thread(s) (in the qmeu monitor, run 'info cpus' command).
david Randy Broman wrote: > I am using Intel Core2 Duo E6600, Kubuntu 8.04 with kernel > 2.6.24-21-generic, > kvm (as in "QEMU PC emulator version 0.9.1 (kvm-62)") and a WinXP SP3 > guest, > with bridged networking. My start command is: > > sudo kvm -m 1024 -cdrom /dev/cdrom -boot c -net > nic,macaddr=00:d0:13:b0:2d:32, > model=rtl8139 -net tap -soundhw all -localtime /home/rbroman/windows.img > > All this is stable and generally works well, except that internet-based > video and > audio performance is poor (choppy, skips) in comparison with performance > under > WinXP running native on the same machine (it's a dual-boot). I would > appreciate > recommendations to improve video and audio performance, and have the > following > specific questions: > > -I've tried both the default Cirrus adapter and the "-std-vga" option. > Which is better? > I saw reference to another VMware-based adapter, but I can't figure out > how to implement > it - would that be better? > > -I notice we're up to kvm-79 vs my kvm-62. Should I move to the newer > version? Do I > have to custom-compile my kernel to do so, and if so what kernel version > and what > specific kernel options should I use? > > -Are there other tuning steps I could take? > > Please copy me directly as I'm not on this list. Thankyou > > > > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
