search for: per_cpu_throughput

...Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) connected back to back Coalescing in host: rx-usecs: 1 Coalescing in guest: - none if no tx interrupt - tx-frames 8 tx-usecs 64 Zerocopy disabled for vhost_net 1 VCPU 1 queue: Guest TX: sessions/sizes/+-throughput%/+-cpu%/+-per_cpu_throughput%/ 1/64/+41.2/-2.6/+45.1/ 2/64/+40.8/-2.7/+44.7/ 4/64/+38.5/-2.8/+42.5/ 8/64/+36.1/-2.1/+38.9/ 1/256/+158.5/-5.0/+172.3/ 2/256/+155.3/-4.7/+167.9/ 4/256/+156.4/-5.3/+170.6/ 8/256/+155.4/-4.9/+168.6/ 1/512/+276.5/-3.0/+288.3/ 2/512/+280.1/-3.3/+293.1/ 4/512/+276.1/-2.7/+286.7/ 8/512/+267.1/-3.2/+279....

...Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) connected back to back Coalescing in host: rx-usecs: 1 Coalescing in guest: - none if no tx interrupt - tx-frames 8 tx-usecs 64 Zerocopy disabled for vhost_net 1 VCPU 1 queue: Guest TX: sessions/sizes/+-throughput%/+-cpu%/+-per_cpu_throughput%/ 1/64/+41.2/-2.6/+45.1/ 2/64/+40.8/-2.7/+44.7/ 4/64/+38.5/-2.8/+42.5/ 8/64/+36.1/-2.1/+38.9/ 1/256/+158.5/-5.0/+172.3/ 2/256/+155.3/-4.7/+167.9/ 4/256/+156.4/-5.3/+170.6/ 8/256/+155.4/-4.9/+168.6/ 1/512/+276.5/-3.0/+288.3/ 2/512/+280.1/-3.3/+293.1/ 4/512/+276.1/-2.7/+286.7/ 8/512/+267.1/-3.2/+279....

On Mon, Feb 09, 2015 at 03:39:21AM -0500, Jason Wang wrote: > Currently, we do nothing to prevent the callbacks in > virtqueue_disable_cb() when event index is used. This may cause > spurious interrupts which may damage the performance. This patch tries > to publish avail event as the used even to prevent the callbacks. > > Signed-off-by: Jason Wang <jasowang at

On Mon, Feb 09, 2015 at 03:39:21AM -0500, Jason Wang wrote: > Currently, we do nothing to prevent the callbacks in > virtqueue_disable_cb() when event index is used. This may cause > spurious interrupts which may damage the performance. This patch tries > to publish avail event as the used even to prevent the callbacks. > > Signed-off-by: Jason Wang <jasowang at

...Vhost_net was enabled and zerocopy was disabled > - Tests was done by netperf-2.6 > - Guest has 2 vcpus with single queue virtio-net > > Results: > - Numbers of square brackets are whose significance is grater than 95% > > Guest RX: > > size/sessions/+throughput/+cpu/+per_cpu_throughput/ > 64/1/+2.0326/[+6.2807%]/-3.9970%/ > 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ > 64/4/+1.5956%/+2.2451%/-0.6353%/ > 64/8/+1.1732%/+3.5123%/-2.2598%/ > 256/1/+3.7619%/[+5.8117%]/-1.9372%/ > 256/2/-0.0661%/[+3.2511%]/-3.2127%/ > 256/4/+1.1435%/[-8.1842%]/[+10.1591%]/ > 256/8/[+2....

...Vhost_net was enabled and zerocopy was disabled > - Tests was done by netperf-2.6 > - Guest has 2 vcpus with single queue virtio-net > > Results: > - Numbers of square brackets are whose significance is grater than 95% > > Guest RX: > > size/sessions/+throughput/+cpu/+per_cpu_throughput/ > 64/1/+2.0326/[+6.2807%]/-3.9970%/ > 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ > 64/4/+1.5956%/+2.2451%/-0.6353%/ > 64/8/+1.1732%/+3.5123%/-2.2598%/ > 256/1/+3.7619%/[+5.8117%]/-1.9372%/ > 256/2/-0.0661%/[+3.2511%]/-3.2127%/ > 256/4/+1.1435%/[-8.1842%]/[+10.1591%]/ > 256/8/[+2....

...t; - Tests was done by netperf-2.6 >> - Guest has 2 vcpus with single queue virtio-net >> >> Results: >> - Numbers of square brackets are whose significance is grater than >> 95% >> >> Guest RX: >> >> size/sessions/+throughput/+cpu/+per_cpu_throughput/ >> 64/1/+2.0326/[+6.2807%]/-3.9970%/ >> 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ >> 64/4/+1.5956%/+2.2451%/-0.6353%/ >> 64/8/+1.1732%/+3.5123%/-2.2598%/ >> 256/1/+3.7619%/[+5.8117%]/-1.9372%/ >> 256/2/-0.0661%/[+3.2511%]/-3.2127%/ >> 256/4/+1.1435%/[-8....

...t; - Tests was done by netperf-2.6 >> - Guest has 2 vcpus with single queue virtio-net >> >> Results: >> - Numbers of square brackets are whose significance is grater than >> 95% >> >> Guest RX: >> >> size/sessions/+throughput/+cpu/+per_cpu_throughput/ >> 64/1/+2.0326/[+6.2807%]/-3.9970%/ >> 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ >> 64/4/+1.5956%/+2.2451%/-0.6353%/ >> 64/8/+1.1732%/+3.5123%/-2.2598%/ >> 256/1/+3.7619%/[+5.8117%]/-1.9372%/ >> 256/2/-0.0661%/[+3.2511%]/-3.2127%/ >> 256/4/+1.1435%/[-8....

...>> - Tests was done by netperf-2.6 >>> - Guest has 2 vcpus with single queue virtio-net >>> Results: >>> - Numbers of square brackets are whose significance is grater than >>> 95% >>> Guest RX: >>> size/sessions/+throughput/+cpu/+per_cpu_throughput/ >>> 64/1/+2.0326/[+6.2807%]/-3.9970%/ >>> 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ >>> 64/4/+1.5956%/+2.2451%/-0.6353%/ >>> 64/8/+1.1732%/+3.5123%/-2.2598%/ >>> 256/1/+3.7619%/[+5.8117%]/-1.9372%/ >>> 256/2/-0.0661%/[+3.2511%]/-3.2127%/ >&...

...>> - Tests was done by netperf-2.6 >>> - Guest has 2 vcpus with single queue virtio-net >>> Results: >>> - Numbers of square brackets are whose significance is grater than >>> 95% >>> Guest RX: >>> size/sessions/+throughput/+cpu/+per_cpu_throughput/ >>> 64/1/+2.0326/[+6.2807%]/-3.9970%/ >>> 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ >>> 64/4/+1.5956%/+2.2451%/-0.6353%/ >>> 64/8/+1.1732%/+3.5123%/-2.2598%/ >>> 256/1/+3.7619%/[+5.8117%]/-1.9372%/ >>> 256/2/-0.0661%/[+3.2511%]/-3.2127%/ >&...

...rx-frames: 0 tx-usecs: 0 tx-frames: 0 - Vhost_net was enabled and zerocopy was disabled - Tests was done by netperf-2.6 - Guest has 2 vcpus with single queue virtio-net Results: - Numbers of square brackets are whose significance is grater than 95% Guest RX: size/sessions/+throughput/+cpu/+per_cpu_throughput/ 64/1/+2.0326/[+6.2807%]/-3.9970%/ 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ 64/4/+1.5956%/+2.2451%/-0.6353%/ 64/8/+1.1732%/+3.5123%/-2.2598%/ 256/1/+3.7619%/[+5.8117%]/-1.9372%/ 256/2/-0.0661%/[+3.2511%]/-3.2127%/ 256/4/+1.1435%/[-8.1842%]/[+10.1591%]/ 256/8/[+2.2447%]/[+6.2044%]/[-3.7283%]/ 1024/1/+9....

...rx-frames: 0 tx-usecs: 0 tx-frames: 0 - Vhost_net was enabled and zerocopy was disabled - Tests was done by netperf-2.6 - Guest has 2 vcpus with single queue virtio-net Results: - Numbers of square brackets are whose significance is grater than 95% Guest RX: size/sessions/+throughput/+cpu/+per_cpu_throughput/ 64/1/+2.0326/[+6.2807%]/-3.9970%/ 64/2/-0.2104%/[+3.2012%]/[-3.3058%]/ 64/4/+1.5956%/+2.2451%/-0.6353%/ 64/8/+1.1732%/+3.5123%/-2.2598%/ 256/1/+3.7619%/[+5.8117%]/-1.9372%/ 256/2/-0.0661%/[+3.2511%]/-3.2127%/ 256/4/+1.1435%/[-8.1842%]/[+10.1591%]/ 256/8/[+2.2447%]/[+6.2044%]/[-3.7283%]/ 1024/1/+9....