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On 2018/12/13 3:09, David Miller wrote: > From: jiangyiwen <jiangyiwen at huawei.com> > Date: Wed, 12 Dec 2018 17:29:31 +0800 > >> diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h >> index 1d57ed3..2292f30 100644 >> --- a/include/uapi/linux/virtio_vsock.h >> +++ b/include/uapi/linux/vir...

On 2018/12/13 3:09, David Miller wrote: > From: jiangyiwen <jiangyiwen at huawei.com> > Date: Wed, 12 Dec 2018 17:29:31 +0800 > >> diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h >> index 1d57ed3..2292f30 100644 >> --- a/include/uapi/linux/virtio_vsock.h >> +++ b/include/uapi/linux/vir...

On 2018/11/6 10:41, Jason Wang wrote: > > On 2018/11/6 ??10:17, jiangyiwen wrote: >> On 2018/11/5 17:21, Jason Wang wrote: >>> On 2018/11/5 ??3:43, jiangyiwen wrote: >>>> Now vsock only support send/receive small packet, it can't achieve >>>> high performance. As previous discussed with Jason Wang, I revisit the >>>>...

On 2018/11/6 10:41, Jason Wang wrote: > > On 2018/11/6 ??10:17, jiangyiwen wrote: >> On 2018/11/5 17:21, Jason Wang wrote: >>> On 2018/11/5 ??3:43, jiangyiwen wrote: >>>> Now vsock only support send/receive small packet, it can't achieve >>>> high performance. As previous discussed with Jason Wang, I revisit the >>>>...

Batch sending rx buffer can improve total bandwidth. Signed-off-by: Yiwen Jiang <jiangyiwen at huawei.com> --- drivers/vhost/vsock.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 9600133..a4bf0a1 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -151...

Batch sending rx buffer can improve total bandwidth. Signed-off-by: Yiwen Jiang <jiangyiwen at huawei.com> --- drivers/vhost/vsock.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 9600133..a4bf0a1 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -151...

On Tue, Dec 04, 2018 at 10:21:40AM +0800, jiangyiwen wrote: > On 2018/12/4 9:31, Michael S. Tsirkin wrote: > > On Mon, Dec 03, 2018 at 11:10:58AM +0800, jiangyiwen wrote: > >> On 2018/11/30 21:40, Michael S. Tsirkin wrote: > >>> On Fri, Nov 30, 2018 at 09:10:03PM +0800, Jason Wang wrote: > >>>> > >&g...

On 2018/11/5 17:21, Jason Wang wrote: > > On 2018/11/5 ??3:43, jiangyiwen wrote: >> Now vsock only support send/receive small packet, it can't achieve >> high performance. As previous discussed with Jason Wang, I revisit the >> idea of vhost-net about mergeable rx buffer and implement the mergeable >> rx buffer in vhost-vsock, it can allow big...

On 2018/11/5 17:21, Jason Wang wrote: > > On 2018/11/5 ??3:43, jiangyiwen wrote: >> Now vsock only support send/receive small packet, it can't achieve >> high performance. As previous discussed with Jason Wang, I revisit the >> idea of vhost-net about mergeable rx buffer and implement the mergeable >> rx buffer in vhost-vsock, it can allow big...

On Mon, Dec 03, 2018 at 11:10:58AM +0800, jiangyiwen wrote: > On 2018/11/30 21:40, Michael S. Tsirkin wrote: > > On Fri, Nov 30, 2018 at 09:10:03PM +0800, Jason Wang wrote: > >> > >> On 2018/11/30 ??8:55, Jason Wang wrote: > >>> > >>> On 2018/11/30 ??8:52, Michael S. Tsirkin wrote: > >>>&...

On Mon, Dec 03, 2018 at 11:10:58AM +0800, jiangyiwen wrote: > On 2018/11/30 21:40, Michael S. Tsirkin wrote: > > On Fri, Nov 30, 2018 at 09:10:03PM +0800, Jason Wang wrote: > >> > >> On 2018/11/30 ??8:55, Jason Wang wrote: > >>> > >>> On 2018/11/30 ??8:52, Michael S. Tsirkin wrote: > >>>&...

...r performance: Single socket Multiple sockets(Max Bandwidth) Guest->Host ~1700MB/s ~2900MB/s Host->Guest ~1700MB/s ~2900MB/s >From the test results, the performance is improved obviously, and guest memory will not be wasted. --- Yiwen Jiang (5): VSOCK: support fill mergeable rx buffer in guest VSOCK: support fill data to mergeable rx buffer in host VSOCK: support receive mergeable rx buffer in guest VSOCK: modify default rx buf size to improve performance VSOCK: batch sending rx buffer to increase bandwidth drivers/v...

...r performance: Single socket Multiple sockets(Max Bandwidth) Guest->Host ~1700MB/s ~2900MB/s Host->Guest ~1700MB/s ~2900MB/s >From the test results, the performance is improved obviously, and guest memory will not be wasted. --- Yiwen Jiang (5): VSOCK: support fill mergeable rx buffer in guest VSOCK: support fill data to mergeable rx buffer in host VSOCK: support receive mergeable rx buffer in guest VSOCK: modify default rx buf size to improve performance VSOCK: batch sending rx buffer to increase bandwidth drivers/v...

...qs(tx and rx), that means if multiple sockets in the guest will use the same vq to transmit the message and get the response. So if there are multiple applications in the guest, we should support "Multiqueue" feature for Virtio-vsock. Stefan, have you encountered these problems? Thanks, Yiwen.

...qs(tx and rx), that means if multiple sockets in the guest will use the same vq to transmit the message and get the response. So if there are multiple applications in the guest, we should support "Multiqueue" feature for Virtio-vsock. Stefan, have you encountered these problems? Thanks, Yiwen.

On 2018/12/12 23:37, Michael S. Tsirkin wrote: > On Wed, Dec 12, 2018 at 05:29:31PM +0800, jiangyiwen wrote: >> When vhost support VIRTIO_VSOCK_F_MRG_RXBUF feature, >> it will merge big packet into rx vq. >> >> Signed-off-by: Yiwen Jiang <jiangyiwen at huawei.com> > > I feel this approach jumps into making interface changes for > optimizations too quickly. Fo...

On 2018/12/12 23:37, Michael S. Tsirkin wrote: > On Wed, Dec 12, 2018 at 05:29:31PM +0800, jiangyiwen wrote: >> When vhost support VIRTIO_VSOCK_F_MRG_RXBUF feature, >> it will merge big packet into rx vq. >> >> Signed-off-by: Yiwen Jiang <jiangyiwen at huawei.com> > > I feel this approach jumps into making interface changes for > optimizations too quickly. Fo...

...(PAGE_SIZE) to fill rx buffer, because too small size can't fill one full packet, we only 128 vq num now. * Use iovec to replace buf in struct virtio_vsock_pkt, keep tx and rx consistency. * Add virtio_transport ops to get max pkt len, in order to be compatible with old version. --- Yiwen Jiang (5): VSOCK: support fill mergeable rx buffer in guest VSOCK: support fill data to mergeable rx buffer in host VSOCK: support receive mergeable rx buffer in guest VSOCK: increase send pkt len in mergeable mode to improve performance VSOCK: batch sending rx buffer to increase bandwidt...

...(PAGE_SIZE) to fill rx buffer, because too small size can't fill one full packet, we only 128 vq num now. * Use iovec to replace buf in struct virtio_vsock_pkt, keep tx and rx consistency. * Add virtio_transport ops to get max pkt len, in order to be compatible with old version. --- Yiwen Jiang (5): VSOCK: support fill mergeable rx buffer in guest VSOCK: support fill data to mergeable rx buffer in host VSOCK: support receive mergeable rx buffer in guest VSOCK: increase send pkt len in mergeable mode to improve performance VSOCK: batch sending rx buffer to increase bandwidt...

On 2018/11/15 15:04, Michael S. Tsirkin wrote: > On Thu, Nov 15, 2018 at 11:56:03AM +0800, jiangyiwen wrote: >> Hi Stefan, Michael, Jason and everyone, >> >> Several days ago, I discussed with jason about "Vsock over Virtio-net". >> This idea has two advantages: >> First, it can use many great features of virtio-net, like batching, >> mergeable rx buffe...