KVM performance

2009-04-03 Thread BRAUN, Stefanie
Hallo, as I want to switch from XEN to KVM I've made some performance tests to see if KVM is as peformant as XEN. But tests with a VMU that receives a streamed video, adds a small logo to the video and streams it to a client have shown that XEN performs much betten than KVM. In XEN the vlc

WG: KVM performance

2009-04-06 Thread BRAUN, Stefanie
-Ursprüngliche Nachricht- Von: BRAUN, Stefanie Gesendet: Montag, 6. April 2009 18:25 An: 'Avi Kivity' Betreff: AW: KVM performance -Ursprüngliche Nachricht- Von: Avi Kivity [mailto:a...@redhat.com] Gesendet: Montag, 6. April 2009 13:45 An: BRAUN, Stefanie Cc: kvm

AW: KVM performance

2009-04-06 Thread BRAUN, Stefanie
-Ursprüngliche Nachricht- Von: Hauke Hoffmann [mailto:kont...@hauke-hoffmann.net] Gesendet: Montag, 6. April 2009 14:13 An: kvm@vger.kernel.org Cc: BRAUN, Stefanie Betreff: Re: KVM performance On Friday 03 April 2009 13:32:50 you wrote: Hallo, as I want to switch from XEN to KVM

AW: AW: KVM performance

2009-04-07 Thread BRAUN, Stefanie
) : 33,8% -Ursprüngliche Nachricht- Von: Avi Kivity [mailto:a...@redhat.com] Gesendet: Montag, 6. April 2009 18:36 An: BRAUN, Stefanie Betreff: Re: AW: KVM performance BRAUN, Stefanie wrote: Is this a tcp test? Can you test receive and transmit separately

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2009-04-08 Thread BRAUN, Stefanie
BRAUN, Stefanie wrote: 1. Subtest: VLC reads video from local disk and streams it via udp to another pc Host performance: 11% 11% kvm process in host (top):22% 22% vlc process in vmu (top): 15

AW: AW: AW: KVM performance

2009-04-09 Thread BRAUN, Stefanie
Hello, now I was able to start the guest vmu with disk virtio, and some of the tests with disk involvement even improved a bit. But the test in which a logo is added to the video stream does not improve. I don't know why the performance is so bad? Subtest: Reading video locally, adding a logo

AW: AW: AW: AW: KVM performance

2009-04-14 Thread BRAUN, Stefanie
Hello, the host runs on a Dual-Core AMD Opteron Processor. Does there exist a similar AMD parameter? Regard Stefanie -Ursprüngliche Nachricht- Von: Avi Kivity [mailto:a...@redhat.com] Gesendet: Samstag, 11. April 2009 18:19 An: BRAUN, Stefanie Cc: kvm@vger.kernel.org Betreff: Re: AW: AW

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2009-04-16 Thread BRAUN, Stefanie
and 3dnowext to the guest, no error but they are not visible in /proc/cpuinfo. Not sure why. Regards Stefanie BRAUN, Stefanie wrote: qemu-kvm -cpu ? only shows qemu64, qemu32, 486, pentium, pentium2, pentium3, athlon It can also take additional +feature or -feature parameters. Oh, maybe kvm