Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-23 Thread Eliezer Tamir
On 21/05/2013 16:15, Alex Rosenbaum wrote: On 5/21/2013 3:29 PM, Eliezer Tamir wrote: What benchmarks are you using to test poll/select/epoll? for epoll/select latency tests we are using sockperf as performance latency tool: https://code.google.com/p/sockperf/ It is a client-server based tool a

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-22 Thread Eliezer Tamir
On 21/05/2013 21:15, Ben Hutchings wrote: On Tue, 2013-05-21 at 15:29 +0300, Eliezer Tamir wrote: Many of the questions you asked are covered in our RFC cover letter, but I will touch them briefly On 21/05/2013 15:06, Alex Rosenbaum wrote: 1. It seem this patch does not cover epoll/select an

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-21 Thread Ben Hutchings
On Tue, 2013-05-21 at 15:29 +0300, Eliezer Tamir wrote: > Many of the questions you asked are covered in our RFC cover letter, but > I will touch them briefly > > On 21/05/2013 15:06, Alex Rosenbaum wrote: > > 1. It seem this patch does not cover epoll/select and such IO muxing APIs? > > We are

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-21 Thread Willem de Bruijn
>> 2. How is the logic aware of RSS and RFS? >> >> With TCP sockets, the driver knows the specific ring it need to poll so >> this should be mapped and provide the best latency. > > > This code is blissfully oblivious of RFS and RSS, it only assumes that the > packets for a socket are likely to con

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-21 Thread Eric Dumazet
On Tue, 2013-05-21 at 16:15 +0300, Alex Rosenbaum wrote: > On 5/21/2013 3:29 PM, Eliezer Tamir wrote: > > What benchmarks are you using to test poll/select/epoll? > for epoll/select latency tests we are using sockperf as performance > latency tool: https://code.google.com/p/sockperf/ > It is a cli

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-21 Thread Alex Rosenbaum
On 5/21/2013 3:29 PM, Eliezer Tamir wrote: What benchmarks are you using to test poll/select/epoll? for epoll/select latency tests we are using sockperf as performance latency tool: https://code.google.com/p/sockperf/ It is a client-server based tool and it supported ping-pong, throughput, and

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-21 Thread Eliezer Tamir
Many of the questions you asked are covered in our RFC cover letter, but I will touch them briefly On 21/05/2013 15:06, Alex Rosenbaum wrote: 1. It seem this patch does not cover epoll/select and such IO muxing APIs? We are thinking about how to implement epoll support as one of the next ste

Re: [PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-21 Thread Alex Rosenbaum
On 5/20/2013 1:15 PM, Eliezer Tamir wrote: updated with the comments I got so far. Thanks, Eliezer -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Hello

[PATCH v3 net-next 0/4] net: low latency Ethernet device polling

2013-05-20 Thread Eliezer Tamir
updated with the comments I got so far. Thanks, Eliezer -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkm