On 10/03/2013 10:55 AM, venkatakrishna pari wrote: > Hi ALL > > I have configured four Q vectors likes rx-0,rx-1,tx-0 and tx-1. ITR value > sets to 1000 interrupt/second. But Interrupt are firing at 4000 > interrupt/sec. When Q vector changed two Q vector TxRx-0 and TxRx-1. It > is firing at 2000 Interrupt/second. The interrupt firing rate is equal to > multiple of number Q vector. But ITR checked in hardware register[EITR] > was set with 1000 interrupt/sec. I don't understand why it is happening > like that. > > Could you please guide to resolve this. > > Thanks in Advances. > > Thanks and Regard's >
The ITR value for ixgbe is per vector, not per port. The ixgbe parts do not support a global interrupt moderator, they only have one moderator per q_vector. Thanks, Alex ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60134791&iu=/4140/ostg.clktrk _______________________________________________ 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
