Re: [PATCH] virtio-net: lower min ring num_free for efficiency

2019-08-15 Thread jiang
On 2019/8/15 17:25, Jason Wang wrote: > > On 2019/8/15 下午4:36, 冉 jiang wrote: >> On 2019/8/15 11:17, Jason Wang wrote: >>> On 2019/8/15 上午11:11, 冉 jiang wrote: >>>> On 2019/8/15 11:01, Jason Wang wrote: >>>>> On 2019/8/14 上午10:06, ? jiang wrot

Re: [PATCH] virtio-net: lower min ring num_free for efficiency

2019-08-15 Thread jiang
On 2019/8/15 11:17, Jason Wang wrote: > > On 2019/8/15 上午11:11, 冉 jiang wrote: >> On 2019/8/15 11:01, Jason Wang wrote: >>> On 2019/8/14 上午10:06, ? jiang wrote: >>>> This change lowers ring buffer reclaim threshold from 1/2*queue to >>>> budget >&

Re: [PATCH] virtio-net: lower min ring num_free for efficiency

2019-08-14 Thread jiang
On 2019/8/15 11:01, Jason Wang wrote: > > On 2019/8/14 上午10:06, ? jiang wrote: >> This change lowers ring buffer reclaim threshold from 1/2*queue to >> budget >> for better performance. According to our test with qemu + dpdk, packet >> dropping happens when the guest is not able to provide free b

Re: [PATCH] virtio-net: parameterize min ring num_free for virtio receive

2019-08-13 Thread jiang
On 2019/8/13 18:55, Michael S. Tsirkin wrote: On Tue, Jul 23, 2019 at 12:05:03PM +, 冉 jiang wrote: On 2019/7/20 0:13, Michael S. Tsirkin wrote: On Fri, Jul 19, 2019 at 03:31:29PM +, 冉 jiang wrote: On 2019/7/19 22:29, Jiang wrote: On 2019/7/19 10:36, Jason Wang wrote: On 2019/7

Re: [PATCH] virtio-net: parameterize min ring num_free for virtio receive

2019-07-24 Thread jiang
On 2019/7/20 0:13, Michael S. Tsirkin wrote: > On Fri, Jul 19, 2019 at 03:31:29PM +0000, 冉 jiang wrote: >> On 2019/7/19 22:29, Jiang wrote: >>> On 2019/7/19 10:36, Jason Wang wrote: >>>> On 2019/7/18 下午10:43, Michael S. Tsirkin wrote: >>>>> On Thu

Re: [PATCH] virtio-net: parameterize min ring num_free for virtio receive

2019-07-24 Thread jiang
On 2019/7/19 22:29, Jiang wrote: > > On 2019/7/19 10:36, Jason Wang wrote: >> >> On 2019/7/18 下午10:43, Michael S. Tsirkin wrote: >>> On Thu, Jul 18, 2019 at 10:42:47AM -0400, Michael S. Tsirkin wrote: On Thu, Jul 18, 2019 at 10:01:05PM +0800, Jason Wang wrote: > On 2019/7/18 下午9:04, Micha

Re: [PATCH] virtio-net: parameterize min ring num_free for virtio receive

2019-07-24 Thread jiang
On 2019/7/19 10:36, Jason Wang wrote: > > On 2019/7/18 下午10:43, Michael S. Tsirkin wrote: >> On Thu, Jul 18, 2019 at 10:42:47AM -0400, Michael S. Tsirkin wrote: >>> On Thu, Jul 18, 2019 at 10:01:05PM +0800, Jason Wang wrote: On 2019/7/18 下午9:04, Michael S. Tsirkin wrote: > On Thu, Jul 18,