Re: [E1000-devel] [PATCH v4 net-next] net: poll/select low latency socket support

2013-06-25 Thread David Miller
From: Eliezer Tamir Date: Mon, 24 Jun 2013 10:28:03 +0300 > select/poll busy-poll support. > > Split sysctl value into two separate ones, one for read and one for poll. > updated Documentation/sysctl/net.txt > > Add a new poll flag POLL_LL. When this flag is set, sock_poll will call > sk_poll_l

Re: [E1000-devel] Structured ethtool statistic names

2013-06-25 Thread Nelson, Shannon
> -Original Message- > From: Ben Hutchings [mailto:bhutchi...@solarflare.com] > Sent: Friday, June 21, 2013 8:39 AM > > On Thu, 2013-06-20 at 20:04 +, Nelson, Shannon wrote: > > > From: Ben Hutchings [mailto:bhutchi...@solarflare.com] > > > Sent: Thursday, June 20, 2013 12:59 PM > > >

Re: [E1000-devel] [PATCH RFC] net: lls epoll support

2013-06-25 Thread Eliezer Tamir
On 25/06/2013 17:26, yaniv saar wrote: > On Wed, Jun 19, 2013 at 2:42 PM, Eliezer Tamir > wrote: >> >> [this patch needs the poll patch to be applied first] >> with sockperf doing epoll on 1000 sockets I see an avg latency of 6us >> > > hi eliezer, > > please consider the following solution for ep

Re: [E1000-devel] [PATCH RFC] net: lls epoll support

2013-06-25 Thread yaniv saar
On Wed, Jun 19, 2013 at 2:42 PM, Eliezer Tamir wrote: > This is a wild hack, just as a POC to show the power or LLS with epoll. > > We assume that we only ever need to poll on one device queue, > so the first FD that reports POLL_LL gets saved aside so we can poll on. > > While this assumption is