Re: [RFC PATCH 0/3] udp: scalability improvements

2017-05-08 Thread Paolo Abeni
On Sat, 2017-05-06 at 16:09 -0700, Tom Herbert wrote: > On Sat, May 6, 2017 at 1:42 PM, Paolo Abeni wrote: > > This patch series implement an idea suggested by Eric Dumazet to > > reduce the contention of the udp sk_receive_queue lock when the socket is > > under flood. > > > > An ancillary queue

Re: [RFC PATCH 0/3] udp: scalability improvements

2017-05-06 Thread Tom Herbert
On Sat, May 6, 2017 at 1:42 PM, Paolo Abeni wrote: > This patch series implement an idea suggested by Eric Dumazet to > reduce the contention of the udp sk_receive_queue lock when the socket is > under flood. > > An ancillary queue is added to the udp socket, and the socket always > tries first to

[RFC PATCH 0/3] udp: scalability improvements

2017-05-06 Thread Paolo Abeni
This patch series implement an idea suggested by Eric Dumazet to reduce the contention of the udp sk_receive_queue lock when the socket is under flood. An ancillary queue is added to the udp socket, and the socket always tries first to read packets from such queue. If it's empty, we splice the con