2011/2/15 Torsten Förtsch <torsten.foert...@gmx.net>: > On Tuesday, February 15, 2011 15:43:32 Stefan Hajnoczi wrote: >> > I have installed winxp and run the machine as "/usr/bin/qemu-kvm -name >> > xp.home -m 768 ...". >> >> Are you able to try QEMU 0.14.0-rc2 from source? >> >> $ git clone git://git.qemu.org/qemu.git >> $ git checkout v0.14.0-rc2 >> $ ./configure --target-list=x86_64-softmmu --enable-io-thread >> --disable-strip --prefix=/usr >> $ make >> $ x86_64-softmmu/qemu-system-x86_64 -enable-kvm -m 768 -name xp.home ... > > Now, the process size stays around 1300 Mb and RSS is very constant at 794 Mb.
Thank you for checking this. This is probably a Suse-specific or qemu-kvm issue. > But the VM is much slower. Although, according to "info kvm" kvm is enabled. > > What options do I have to use to get optimal performance? Is it general sluggishness or do you notice something specific like disk or networking? I usually set -drive cache=none which tries to bypass the host page cache and does not sync to disk after every write operation. Stefan
