Hi, Probably my previous mail had been skipped or forgot replying, so I'd like to try notice again. # This is original post of this thread, if you don't remember what is this: http://lists.freebsd.org/pipermail/freebsd-net/2011-August/029585.html
George said "I think we should try to integrate this work and then tune it up more. in previous mail, then I want to merge this now. Is there any additional work required to merge, or just fine? 2011/9/22 Takuya ASADA <s...@dokukino.com>: > 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"
