Re: Performance issues with Intel Fortville (XL710/ixl(4))

2015-05-28 Thread Adrian Chadd
Hi, I've no plans to MFC the RSS stuff to stable/10 - there's still RSS work that needs to happen in -HEAD and it will likely change the ioctls and kernel API a little. I'd really appreciate help on developing the RSS stuff in -HEAD so we can call it done and merge it back. Thanks, -adrian __

Re: Performance issues with Intel Fortville (XL710/ixl(4))

2015-05-28 Thread Lewis, Fred
Hi Adrian, It is my understanding that you are maintaining the RSS code. The Panasas folks have this question for you. We are doing our testing w/ 11-CURRENT, but we will initially ship Intel XL710 40G NIC (Fortville) running on 10.1-RELEASE or 10.2-RELEASE. The presence of RSS - even though it i

Re: Performance issues with Intel Fortville (XL710/ixl(4))

2015-05-26 Thread Adrian Chadd
hi! Try enabling RSS and PCBGROUPS on -HEAD. The ixl driver should work. (I haven't tested it though; I've had other things going on here.) -adrian On 21 May 2015 at 15:20, Lakshmi Narasimhan Sundararajan wrote: > Hi FreeBSD Team! > > We seem to have found a problem to Tx performance. > > W

Re: Performance issues with Intel Fortville (XL710/ixl(4))

2015-05-26 Thread Lakshmi Narasimhan Sundararajan
Hi FreeBSD Team! We seem to have found a problem to Tx performance. We found that the tx handling is spread on all CPUs causing probably cache trashing resulting in poor performance. But once we used cpuset to bind interrupt thread and iperf process to the same CPU, performance was close to

Performance issues with Intel Fortville (XL710/ixl(4))

2015-05-19 Thread Pokala, Ravi
Hi folks, At Panasas, we are working with the Intel XL710 40G NIC (aka Fortville), and we're seeing some performance issues w/ 11-CURRENT (r282653). Motherboard: Intel S2600KP (aka Kennedy Pass) CPU: E5-2660 v3 @ 2.6GHz (aka Haswell Xeon) (1 socket x 10 physical cores x 2 SMT thre