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Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net

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On 2017年09月27日 03:26, Michael S. Tsirkin wrote:
> On Fri, Sep 22, 2017 at 04:02:30PM +0800, Jason Wang wrote:
>> Hi:
>>
>> This series tries to implement basic tx batched processing. This is
>> done by prefetching descriptor indices and update used ring in a
>> batch. This intends to speed up used ring updating and improve the
>> cache utilization. Test shows about ~22% improvement in tx pss.
>
>
>
>> Please review.
>>
>> Jason Wang (5):
>>    vhost: split out ring head fetching logic
>>    vhost: introduce helper to prefetch desc index
>>    vhost: introduce vhost_add_used_idx()
> Please squash these new APIs into where they are used.
> This split-up just makes review harder for me as
> I can't figure out how the new APIs are used.

Ok.

Thanks

>
>
>>    vhost_net: rename VHOST_RX_BATCH to VHOST_NET_BATCH
> This is ok as a separate patch.
>
>>    vhost_net: basic tx virtqueue batched processing
>>
>>   drivers/vhost/net.c   | 221 ++++++++++++++++++++++++++++----------------------
>>   drivers/vhost/vhost.c | 165 +++++++++++++++++++++++++++++++------
>>   drivers/vhost/vhost.h |   9 ++
>>   3 files changed, 270 insertions(+), 125 deletions(-)
>>
>> -- 
>> 2.7.4

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[PATCH net-next RFC 0/5] batched tx processing in vhost_net Jason Wang <jasowang@redhat.com> - 2017-09-22 10:10 +0200
  [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing Jason Wang <jasowang@redhat.com> - 2017-09-22 10:10 +0200
    Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched  processing "Michael S. Tsirkin" <mst@redhat.com> - 2017-09-26 21:30 +0200
      Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched  processing Jason Wang <jasowang@redhat.com> - 2017-09-27 04:10 +0200
        Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched  processing "Michael S. Tsirkin" <mst@redhat.com> - 2017-09-28 00:30 +0200
          Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched  processing Jason Wang <jasowang@redhat.com> - 2017-09-28 09:10 +0200
          Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched  processing Jason Wang <jasowang@redhat.com> - 2017-09-28 10:00 +0200
    Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing Willem de Bruijn <willemdebruijn.kernel@gmail.com> - 2017-09-28 03:00 +0200
      Re: [PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched  processing Jason Wang <jasowang@redhat.com> - 2017-09-28 10:00 +0200
  [PATCH net-next RFC 1/5] vhost: split out ring head fetching logic Jason Wang <jasowang@redhat.com> - 2017-09-22 10:10 +0200
    Re: [PATCH net-next RFC 1/5] vhost: split out ring head fetching  logic Stefan Hajnoczi <stefanha@gmail.com> - 2017-09-22 10:40 +0200
      Re: [PATCH net-next RFC 1/5] vhost: split out ring head fetching  logic Jason Wang <jasowang@redhat.com> - 2017-09-25 04:10 +0200
  Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net "Michael S. Tsirkin" <mst@redhat.com> - 2017-09-26 15:50 +0200
    Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net Jason Wang <jasowang@redhat.com> - 2017-09-27 02:30 +0200
      Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net "Michael S. Tsirkin" <mst@redhat.com> - 2017-09-28 00:30 +0200
        Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net Jason Wang <jasowang@redhat.com> - 2017-09-28 09:20 +0200
  Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net "Michael S. Tsirkin" <mst@redhat.com> - 2017-09-26 21:30 +0200
    Re: [PATCH net-next RFC 0/5] batched tx processing in vhost_net Jason Wang <jasowang@redhat.com> - 2017-09-27 04:10 +0200

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