You can still explicitly set the number of descriptors. It is now reported under the dev sysctl tree. dev.<device>.<unit>.<value>
-M ---- On Wed, 11 Jan 2017 12:34:23 -0800 Olivier Cochard-Labbé <oliv...@freebsd.org> wrote ---- > > On Wed, Jan 11, 2017 at 9:13 PM, Matthew Macy <mm...@nextbsd.org> wrote: > > > Hmmm ... did your old tests do 4 or 8 queues on this hardware? > > > > Did the old tests run 1024 tx/rx slots or the max 4096? > > That's a great point, only having one thread per core could easily account > for this. I'm hoping Sean can make txq != rxq work so that you can have > 8txqs and 4 rxqs. > > > The netgate RCC-VE 4860 is a 4 cores atom C2558E, and I'm using 2 of the 4 > Gigabit Intel i350 ports. > Lab detail: > https://bsdrp.net/documentation/examples/forwarding_performance_lab_of_a_netgate_rcc-ve_4860 > > My tunning are (same for both test): > hw.igb.rxd="2048" (it should be useless now) > hw.igb.txd="2048" (it should be useless now) > hw.em.rxd="2048" > hw.em.txd="2048" > hw.igb.rx_process_limit="-1" (It should be useless now too) > hw.em.rx_process_limit="-1" > > dev.igb.2.fc=0 > dev.igb.3.fc=0 > > I can generate profiling data for you: what kind of data do you want ? > _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
