Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-20 Thread Jason Wang
On 07/21/2014 04:31 AM, Michael S. Tsirkin wrote: > On Wed, Jul 16, 2014 at 02:21:47PM +0800, Jason Wang wrote: >> Add basic support for rx busy polling. >> >> Test was done between a kvm guest and an external host. Two hosts were >> connected through 40gb mlx4 cards. With both busy_poll and busy_r

Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-20 Thread Michael S. Tsirkin
On Wed, Jul 16, 2014 at 02:21:47PM +0800, Jason Wang wrote: > Add basic support for rx busy polling. > > Test was done between a kvm guest and an external host. Two hosts were > connected through 40gb mlx4 cards. With both busy_poll and busy_read > are set to 50 in guest, 1 byte netperf tcp_rr sho

Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-16 Thread Varka Bhadram
On Thursday 17 July 2014 10:13 AM, Jason Wang wrote: On 07/17/2014 11:27 AM, Varka Bhadram wrote: On Thursday 17 July 2014 08:25 AM, Jason Wang wrote: On 07/16/2014 04:38 PM, Varka Bhadram wrote: On 07/16/2014 11:51 AM, Jason Wang wrote: Add basic support for rx busy polling. Test was done b

Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-16 Thread Jason Wang
On 07/17/2014 11:27 AM, Varka Bhadram wrote: > > On Thursday 17 July 2014 08:25 AM, Jason Wang wrote: >> On 07/16/2014 04:38 PM, Varka Bhadram wrote: >>> On 07/16/2014 11:51 AM, Jason Wang wrote: Add basic support for rx busy polling. Test was done between a kvm guest and an external

Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-16 Thread Varka Bhadram
On Thursday 17 July 2014 08:25 AM, Jason Wang wrote: On 07/16/2014 04:38 PM, Varka Bhadram wrote: On 07/16/2014 11:51 AM, Jason Wang wrote: Add basic support for rx busy polling. Test was done between a kvm guest and an external host. Two hosts were connected through 40gb mlx4 cards. With bot

Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-16 Thread Jason Wang
On 07/16/2014 04:38 PM, Varka Bhadram wrote: > On 07/16/2014 11:51 AM, Jason Wang wrote: >> Add basic support for rx busy polling. >> >> Test was done between a kvm guest and an external host. Two hosts were >> connected through 40gb mlx4 cards. With both busy_poll and busy_read >> are set to 50 in

Re: [PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-16 Thread Varka Bhadram
On 07/16/2014 11:51 AM, Jason Wang wrote: Add basic support for rx busy polling. Test was done between a kvm guest and an external host. Two hosts were connected through 40gb mlx4 cards. With both busy_poll and busy_read are set to 50 in guest, 1 byte netperf tcp_rr shows 116% improvement: trans

[PATCH net-next V2 3/3] virtio-net: rx busy polling support

2014-07-15 Thread Jason Wang
Add basic support for rx busy polling. Test was done between a kvm guest and an external host. Two hosts were connected through 40gb mlx4 cards. With both busy_poll and busy_read are set to 50 in guest, 1 byte netperf tcp_rr shows 116% improvement: transaction rate was increased from 9151.94 to 19