>-----Original Message----- >From: Jagdish Motwani [mailto:[email protected]] >Sent: Friday, April 19, 2013 2:48 AM >To: [email protected] >Subject: Re: [E1000-devel] ixgbe 82599 latency tunning > > >Resending the table-- trying to format it properly > >Rx ring Tx ring rx_pb_size flow control laency >512 512 512 rx on tx on 7128 >64 128 512 rx on tx on 6346 >512 512 512 rx off tx off 1874 >64 128 512 rx off tx off 667 >64 128 128 rx off tx off 230 >32 128 128 rx off tx off 150 >16 128 128 rx off tx off 110
What test are you using to measure the latency? What is the latency in the above table measured in (trans/sec)? You may want to experiment with the InterruptThrottleRate parameter (ethtool -C ethX rx-usecs) to increase the interrupt threshold, which should help with latency. Thanks, Emil ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
