Re: [PATCH V3 0/2] vhost_net polling optimization
From: David Miller
Date: Thu Jun 02 2016 - 15:08:14 EST
From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Wed, 1 Jun 2016 01:56:32 -0400
> This series tries to optimize vhost_net polling at two points:
> - Stop rx polling for reduicng the unnecessary wakeups during
> - Conditonally enable tx polling for reducing the unnecessary
> traversing and spinlock touching.
> Test shows about 17% improvement on rx pps.
> Please review
> Changes from V2:
> - Don't enable rx vq if we meet an err or rx vq is empty
> Changes from V1:
> - use vhost_net_disable_vq()/vhost_net_enable_vq() instead of open
> - Add a new patch for conditionally enable tx polling.
Michael, please review this patch series.