I no longer use KVM. It is unsupported, it seems. Yours Federico On Fri, Jan 16, 2015 at 5:16 PM, Ryan Harper <1318...@bugs.launchpad.net> wrote:
> Hi, > > Are you running ntp in the host or timekeeping in the guest? If so, is > the guest clock close to what current time should be? > > Also, can you try adding this option: > > -global mc146818rtc.lost_tick_policy=slew > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1318830 > > Title: > High CPU usage on windows virtual machine > > Status in QEMU: > New > Status in qemu package in Ubuntu: > New > > Bug description: > I got Ubuntu 14.04, with Qemu 2.0 and moved my windows VM to this new > box, and made sure that what this article indicates was achieved > https://www.kraxel.org/blog/2014/03/qemu-and-usb-tablet-cpu-consumtion/ > I can attest that it works following the instructions, erasing the > registry, etc. > Unfortunately, with 4 cpus as below, I still see 60% CPU outside as > shown by "Top" versus 0% CPU inside. My Kernel is 3.15.0-031500rc4-generic > If some developer wants to log in and take a look, I am happy to help. > The box is not in production and I take full responsibility. Until this is > solved, KVM is not going to compete with Hyper-V or Vmware. Basically KVM > is not suitable for the Enterprise as of yet. > > qemu-system-x86_64 -enable-kvm -name Production -S -machine pc- > i440fx-2.0,accel=kvm,usb=off -cpu > > kvm64,+rdtscp,+pdpe1gb,+x2apic,+dca,+pcid,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme,hv_relaxed,hv_vapic,hv_spinlocks=0xfff > -m 4024 -realtime mlock=off -smp 4,sockets=1,cores=4,threads=1 -uuid > e8701c5c-b542-0199-fd2a-1047df24770e -no-user-config -nodefaults > -chardev > > socket,id=charmonitor,path=/var/lib/libvirt/qemu/Production.monitor,server,nowait > -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime > -no-shutdown -boot strict=on -device piix3-usb- > uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive > file=/var/lib/libvirt/images/Production.img,if=none,id=drive-virtio- > disk0,format=raw -device virtio-blk- > pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio- > disk0,bootindex=1 -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31 > -device virtio-net- > pci,netdev=hostnet0,id=net0,mac=00:16:3a:d2:cd:ea,bus=pci.0,addr=0x3 > -netdev tap,fd=35,id=hostnet1,vhost=on,vhostfd=36 -device virtio-net- > pci,netdev=hostnet1,id=net1,mac=52:54:00:70:fe:54,bus=pci.0,addr=0x4 > -chardev pty,id=charserial0 -device isa- > serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 > -vnc 127.0.0.1:0 -device VGA,id=video0,bus=pci.0,addr=0x2 -device > intel-hda,id=sound0,bus=pci.0,addr=0x5 -device hda- > duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon- > pci,id=balloon0,bus=pci.0,addr=0x7 > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qemu/+bug/1318830/+subscriptions > -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1318830 Title: High CPU usage on windows virtual machine Status in QEMU: New Status in qemu package in Ubuntu: New Bug description: I got Ubuntu 14.04, with Qemu 2.0 and moved my windows VM to this new box, and made sure that what this article indicates was achieved https://www.kraxel.org/blog/2014/03/qemu-and-usb-tablet-cpu-consumtion/ I can attest that it works following the instructions, erasing the registry, etc. Unfortunately, with 4 cpus as below, I still see 60% CPU outside as shown by "Top" versus 0% CPU inside. My Kernel is 3.15.0-031500rc4-generic If some developer wants to log in and take a look, I am happy to help. The box is not in production and I take full responsibility. Until this is solved, KVM is not going to compete with Hyper-V or Vmware. Basically KVM is not suitable for the Enterprise as of yet. qemu-system-x86_64 -enable-kvm -name Production -S -machine pc- i440fx-2.0,accel=kvm,usb=off -cpu kvm64,+rdtscp,+pdpe1gb,+x2apic,+dca,+pcid,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme,hv_relaxed,hv_vapic,hv_spinlocks=0xfff -m 4024 -realtime mlock=off -smp 4,sockets=1,cores=4,threads=1 -uuid e8701c5c-b542-0199-fd2a-1047df24770e -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/Production.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no-shutdown -boot strict=on -device piix3-usb- uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/var/lib/libvirt/images/Production.img,if=none,id=drive-virtio- disk0,format=raw -device virtio-blk- pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio- disk0,bootindex=1 -netdev tap,fd=30,id=hostnet0,vhost=on,vhostfd=31 -device virtio-net- pci,netdev=hostnet0,id=net0,mac=00:16:3a:d2:cd:ea,bus=pci.0,addr=0x3 -netdev tap,fd=35,id=hostnet1,vhost=on,vhostfd=36 -device virtio-net- pci,netdev=hostnet1,id=net1,mac=52:54:00:70:fe:54,bus=pci.0,addr=0x4 -chardev pty,id=charserial0 -device isa- serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 127.0.0.1:0 -device VGA,id=video0,bus=pci.0,addr=0x2 -device intel-hda,id=sound0,bus=pci.0,addr=0x5 -device hda- duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon- pci,id=balloon0,bus=pci.0,addr=0x7 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1318830/+subscriptions