Messages in this thread | | | Date | Wed, 03 Sep 2014 09:21:25 +0300 | From | Eliezer Tamir <> | Subject | Re: [PATCH net-next 2/2] net: exit busy loop when another process is runnable |
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On 02/09/2014 09:31, Jason Wang wrote: > On 09/02/2014 02:03 PM, Eliezer Tamir wrote: >> On 02/09/2014 06:35, Jason Wang wrote: >>> Not sure whether this method will scale considering thousands of sockets >>> and processes. >> There may be millions of sockets, but in most cases only a handful of >> device queues per CPU to busy poll on. I have tested the epoll rfc >> code with hundreds of thousands of sockets and one or two device >> queues and is scales pretty well. >> >> The part I don't like in that code is the cumbersome mechanism I used >> to track the socket -> queue relationship. I think that if I had more >> time to work on it, I would instead look into extending the epoll >> interface so that libevent can tell the kernel what it wants, instead >> of having the busypoll code try and learn it. > > I'd like to have a look at this rfc. Could you please give me a pointer? > I've done a quick search on kernel mailing list but didn't find it.
https://lkml.org/lkml/2013/8/21/192
Cheers, Eliezer
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