On 2017-01-11 15:37, Matthew Macy wrote: > 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 <olivier_at_freebsd.org> wrote ---- > > > > On Wed, Jan 11, 2017 at 9:13 PM, Matthew Macy <mmacy_at_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) Matt: I think he meant "useless now" because there is no igb, and the below hw.em version covers it. > > 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_at_freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" > -- Allan JudeReceived on Wed Jan 11 2017 - 20:18:59 UTC
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