diff for duplicates of <201406071107089349112@sangfor.com> diff --git a/a/1.txt b/N1/1.txt index 9a1cf08..2bcfb1c 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -46,8 +46,7 @@ Off Rx/Tx checksum offload on XEN guest, 1.6Gbps achived, tcpdump result on bac Off Rx/Tx checksum offload on KVM guest, only ~1Gbps ahchived, tcpdump result on backend tap netdevice shown that packets' size is 1448, stable. > And While launching the VM in KVM, in command line of virtio interface, you can specify TSO, LRO, RxMergebuf. Try this instead of ethtool interface. -The cuurent qemu command shown as below, and I will change the virtio-net configuration later as your advise, /usr/bin/kvm -id 8572667846472 -chardev socket,id=qmp,path=/var/run/qemu-server/8572667846472.qmp,server,nowait -mon chardev=qmp,mode=control -vnc :0,websocket,to=200,x509,password -pidfile /var/run/qemu-server/8572667846472.pid -daemonize -name centos6-196.5.5.72 -smp sockets=1,cores=2 -cpu core2duo -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 4096 -usb -drive file=/sf/data/local/iso/vmtools/virtio_auto_install.iso,if=none,id=drive-ide0,media=cdrom,aio=threads,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/local/images/host-f8bc123b3e74/32f49b646d1e/centos6-196.5.5.72.vm/vm-disk-1.qcow2,if - =none,id=drive-ide2,cache=directsync,aio=threads,forecast=disable -device ide-hd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=100 -netdev type=tap,id=net0,ifname=857266784647200,scrip +The cuurent qemu command shown as below, and I will change the virtio-net configuration later as your advise, /usr/bin/kvm -id 8572667846472 -chardev socket,id=qmp,path=/var/run/qemu-server/8572667846472.qmp,server,nowait -mon chardev=qmp,mode=control -vnc :0,websocket,to=200,x509,password -pidfile /var/run/qemu-server/8572667846472.pid -daemonize -name centos6-196.5.5.72 -smp sockets=1,cores=2 -cpu core2duo -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 4096 -usb -drive file=/sf/data/local/iso/vmtools/virtio_auto_install.iso,if=none,id=drive-ide0,media=cdrom,aio=threads,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/local/images/host-f8bc123b3e74/32f49b646d1e/centos6-196.5.5.72.vm/vm-disk-1.qcow2,if=none,id=drive-ide2,cache=directsync,aio=threads,forecast=disable -device ide-hd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=100 -netdev type=tap,id=net0,ifname=857266784647200,scrip t=/sf/etc/kvm/vtp-bridge,vhost=on,vhostforce=on -device virtio-net-pci,mac=FE:FC:FE:95:EC:A7,netdev=net0,bus=p ci.0,addr=0x12,id=net0,bootindex=300 -rtc driftfix=slew,clock=rt -global kvm-pit.lost_tick_policy=discard -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 @@ -379,8 +378,3 @@ bytes bytes bytes secs. 10^6bits/sec -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org 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 majordomo@vger.kernel.org -More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/a/content_digest b/N1/content_digest index 5ec44ab..41147d8 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -4,7 +4,7 @@ "ref\0201406061814263375436@sangfor.com\0" "ref\0201406070916109313383@sangfor.com\0" "From\0Zhang Haoyu <zhanghy@sangfor.com>\0" - "Subject\0Re: Re: [network performance question] only ~2Gbpsthroughputbetweentwo linux guests which are running on the same host vianetperf-tTCP_STREAM -m 1400, but xen can ac\0" + "Subject\0Re: [Qemu-devel] [network performance question] only ~2Gbpsthroughputbetweentwo linux guests which are running on the same host vianetperf-tTCP_STREAM -m 1400, but xen can ac\0" "Date\0Sat, 7 Jun 2014 11:07:10 +0800\0" "To\0Zhang Haoyu <zhanghy@sangfor.com>" Venkateswara Rao Nandigam <venkateswararao.nandigam@citrix.com> @@ -12,8 +12,8 @@ " qemu-devel <qemu-devel@nongnu.org>\0" "Cc\0Gleb Natapov <gleb@kernel.org>" Paolo Bonzini <pbonzini@redhat.com> - Michael S.Tsirkin <mst@redhat.com> - " yewudi <yewudi@huawei.com>\0" + yewudi <yewudi@huawei.com> + " Michael S.Tsirkin <mst@redhat.com>\0" "\00:1\0" "b\0" "After updating the qemu from 1.4 to 2.0, the inter-vm throughput can achieve ~5Gbps via netper -t TCP_STREAM -m 1400,\n" @@ -64,8 +64,7 @@ "Off Rx/Tx checksum offload on KVM guest, only ~1Gbps ahchived, tcpdump result on backend tap netdevice shown that packets' size is 1448, stable.\n" "\n" "> And While launching the VM in KVM, in command line of virtio interface, you can specify TSO, LRO, RxMergebuf. Try this instead of ethtool interface.\n" - "The cuurent qemu command shown as below, and I will change the virtio-net configuration later as your advise, /usr/bin/kvm -id 8572667846472 -chardev socket,id=qmp,path=/var/run/qemu-server/8572667846472.qmp,server,nowait -mon chardev=qmp,mode=control -vnc :0,websocket,to=200,x509,password -pidfile /var/run/qemu-server/8572667846472.pid -daemonize -name centos6-196.5.5.72 -smp sockets=1,cores=2 -cpu core2duo -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 4096 -usb -drive file=/sf/data/local/iso/vmtools/virtio_auto_install.iso,if=none,id=drive-ide0,media=cdrom,aio=threads,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/local/images/host-f8bc123b3e74/32f49b646d1e/centos6-196.5.5.72.vm/vm-disk-1.qcow2,if\n" - " =none,id=drive-ide2,cache=directsync,aio=threads,forecast=disable -device ide-hd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=100 -netdev type=tap,id=net0,ifname=857266784647200,scrip\n" + "The cuurent qemu command shown as below, and I will change the virtio-net configuration later as your advise, /usr/bin/kvm -id 8572667846472 -chardev socket,id=qmp,path=/var/run/qemu-server/8572667846472.qmp,server,nowait -mon chardev=qmp,mode=control -vnc :0,websocket,to=200,x509,password -pidfile /var/run/qemu-server/8572667846472.pid -daemonize -name centos6-196.5.5.72 -smp sockets=1,cores=2 -cpu core2duo -nodefaults -vga cirrus -no-hpet -k en-us -boot menu=on,splash-time=8000 -m 4096 -usb -drive file=/sf/data/local/iso/vmtools/virtio_auto_install.iso,if=none,id=drive-ide0,media=cdrom,aio=threads,forecast=disable -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0,id=ide0,bootindex=200 -drive file=/sf/data/local/images/host-f8bc123b3e74/32f49b646d1e/centos6-196.5.5.72.vm/vm-disk-1.qcow2,if=none,id=drive-ide2,cache=directsync,aio=threads,forecast=disable -device ide-hd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=100 -netdev type=tap,id=net0,ifname=857266784647200,scrip\n" " t=/sf/etc/kvm/vtp-bridge,vhost=on,vhostforce=on -device virtio-net-pci,mac=FE:FC:FE:95:EC:A7,netdev=net0,bus=p\n" " ci.0,addr=0x12,id=net0,bootindex=300 -rtc driftfix=slew,clock=rt -global kvm-pit.lost_tick_policy=discard -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1\n" " \n" @@ -396,11 +395,6 @@ "11:26:28.943954 IP 196.5.5.82.50445 > 196.5.5.81.40337: Flags [.], seq 8115976:8120320, ack 1, win 115, options [nop,nop,TS val 497417 ecr 497994], length 4344\n" "\n" "--\n" - "To unsubscribe from this list: send the line \"unsubscribe kvm\" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html\n" - "\n" - "--\n" - "To unsubscribe from this list: send the line \"unsubscribe kvm\" in\n" - "the body of a message to majordomo@vger.kernel.org\n" - 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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html" -a314db9bec1c30620f4e60c8c25b3d93c473bbef68c6dc9fe6d24efef5b66fab +29a0da757c126664298c8fde28779a143635834d4096bae903ec2530d76d9d2e
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