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Diffstat (limited to 'results/classifier/118/all/899664')
| -rw-r--r-- | results/classifier/118/all/899664 | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/results/classifier/118/all/899664 b/results/classifier/118/all/899664 new file mode 100644 index 000000000..fa005a772 --- /dev/null +++ b/results/classifier/118/all/899664 @@ -0,0 +1,137 @@ +permissions: 0.950 +user-level: 0.934 +x86: 0.917 +register: 0.915 +vnc: 0.915 +hypervisor: 0.915 +socket: 0.913 +risc-v: 0.913 +VMM: 0.911 +TCG: 0.911 +KVM: 0.909 +graphic: 0.908 +virtual: 0.906 +peripherals: 0.904 +debug: 0.904 +assembly: 0.903 +performance: 0.900 +device: 0.899 +files: 0.898 +arm: 0.896 +kernel: 0.893 +architecture: 0.891 +mistranslation: 0.889 +i386: 0.888 +boot: 0.885 +semantic: 0.882 +ppc: 0.882 +PID: 0.876 +network: 0.871 + +Bad internet performance for Host to Guest or Guest to Host + +Hi, +Internet performance for Host to Quest is low. +The speed Guest to same Guest is 11.3 Gbits/sec +The speed Host to same Host is similar (9.8-11 Gbits/sec) + +But the speed from Guest to Host is slow and around 1Gbit/sec. +In the reality traffic never leave a Host. I expected that in this case speed should be close to Host to Host. +It is important for virtual infrastructure when you have several Guests on a same Host. Guest to Guest on a same host has speed around 1 Gbits/sec too. + +Below you can find testes and additional information: + +========================================================================= +biouml@biouml-db:~$ iperf -c 192.168.2.31 -t 30 #Guest to Guest +------------------------------------------------------------ +Client connecting to 192.168.2.31, TCP port 5001 +TCP window size: 49.7 KByte (default) +------------------------------------------------------------ +[ 3] local 192.168.2.31 port 52170 connected with 192.168.2.31 port 5001 +[ ID] Interval Transfer Bandwidth +[ 3] 0.0-30.0 sec 39.6 GBytes 11.3 Gbits/sec +============================================================================ +biouml@biouml-db:~$ iperf -c 192.168.2.11 -t 30 # Guest to Host +------------------------------------------------------------ +Client connecting to 192.168.2.11, TCP port 5001 +TCP window size: 43.4 KByte (default) +------------------------------------------------------------ +[ 3] local 192.168.2.31 port 47148 connected with 192.168.2.11 port 5001 +[ ID] Interval Transfer Bandwidth +[ 3] 0.0-30.0 sec 3.69 GBytes 1.06 Gbits/sec +biouml@biouml-db:~$ +============================================================================ +root@s2-8core:~# iperf -c 192.168.2.30 -t 30 #host to guest +------------------------------------------------------------ +Client connecting to 192.168.2.30, TCP port 5001 +TCP window size: 16.0 KByte (default) +------------------------------------------------------------ +[ 3] local 192.168.2.11 port 57403 connected with 192.168.2.30 port 5001 +[ ID] Interval Transfer Bandwidth +[ 3] 0.0-30.0 sec 5.47 GBytes 1.57 Gbits/sec + +========================================================================== +root@s2-8core:~# iperf -c 192.168.2.11 -t 30 #host to host +------------------------------------------------------------ +Client connecting to 192.168.2.11, TCP port 5001 +TCP window size: 49.7 KByte (default) +------------------------------------------------------------ +[ 3] local 192.168.2.11 port 38313 connected with 192.168.2.11 port 5001 +[ ID] Interval Transfer Bandwidth +[ 3] 0.0-30.0 sec 34.5 GBytes 9.87 Gbits/sec +root@s2-8core:~# +======================================================================== + +I am using virtio drivers and virtual machine was started with following parameters: + +/usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 4096 -smp 4,sockets=4,cores=1,threads=1 -name one-25 -uuid d1e125ee-d692-4598-3a75-441cd79a513a -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-25.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/one/OpenNebula/var//25/images/disk.0,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/one/OpenNebula/var//25/images/disk.1,if=none,id=drive-virtio-disk3,format=raw -device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,id=virtio-disk3 -netdev tap,fd=19,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=02:00:c0:a8:02:02,bus=pci.0,addr=0x3 -usb -device usb-mouse,id=input0 -vnc 0.0.0.0:98 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 +============================================================================= +Qemu version: +root@s2-8core:~# /usr/bin/kvm --version +QEMU emulator version 0.15.92, Copyright (c) 2003-2008 Fabrice Bellard + +root@s2-8core:~# ls -la /usr/bin/kvm +lrwxrwxrwx 1 root root 27 2011-11-07 17:34 /usr/bin/kvm -> /usr/bin/qemu-system-x86_64 + +========================================================================== +Bridge configuration: + +root@s2-8core:~# cat /etc/network/interfaces +auto lo +iface lo inet loopback + +auto eth0 +iface eth0 inet manual + +auto eth1 +iface eth1 inet manual + +auto br0 +iface br0 inet static + address 192.168.2.11 + network 192.168.2.0 + netmask 255.255.255.0 + broadcast 192.168.2.255 + gateway 192.168.2.1 + bridge_ports eth0 + bridge_stp on + bridge_fd 0 + bridge_maxwait 0 +root@s2-8core:~# + +root@s2-8core:~# brctl show +bridge name bridge id STP enabled interfaces +br0 8000.001e8cec6113 yes eth0 + vnet0 +virbr0 8000.000000000000 yes + +root@s2-8core:~# brctl --version +bridge-utils, 1.5 +=============================================================== +root@s2-8core:~# uname -a +Linux s2-8core 3.0.0-13-server #22-Ubuntu SMP Wed Nov 2 15:09:08 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux + +Triaging old bug tickets ... can you still reproduce this problem with the latest version of QEMU (currently v2.9.0)? + +[Expired for QEMU because there has been no activity for 60 days.] + |