Sorry for late replying, > One comment, one question. > > First, I think we should try to integrate this work and then tune it up more. > The API > is, I think, fine, and performance tuning takes a bit of work.
Is there good way(I mean tools or something) to find the bottleneck? > Second, what are the parameters set on buffers for the drivers? I.e. how > many slots > do they have in their queues etc.? If they defaults are too small, and often > they are, > then that's going to hurt your performance. It does equals to number of descriptors per queue, right? If I'm correct, it's 2048 descriptors per queue by default, and I used default parameter when I perform benchmarks. It's on line 290 of http://p4db.freebsd.org/fileViewer.cgi?FSPC=//depot/projects/soc2011/mq_bpf/src/sys/dev/ixgbe/ixgbe.c&REV=2 and line 105 of http://p4db.freebsd.org/fileViewer.cgi?FSPC=//depot/projects/soc2011/mq_bpf/src/sys/dev/ixgbe/ixgbe.h&REV=2 _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
