Date: Thu, 3 Oct 2013 15:15:37 -0700 From: Jack Vogel <jfvogel@gmail.com> To: Rumen Telbizov <telbizov@gmail.com> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: ixgbe/ix sysctl missing in FreeBSD 9.2 Message-ID: <CAFOYbcn1DQueHOJEP5RkYQuBjT0drxKFvLSw4c3y2=h=CtpTiw@mail.gmail.com> In-Reply-To: <CAENR%2B_Xcav2HMGLKCE7pxuMrLQCg3=SM4e=EC0bunh1QGZh1vw@mail.gmail.com> References: <CAENR%2B_WxhoB30fwfB8wXCsgrF8YMKH5_F99SKRtXYmNH=U40Sg@mail.gmail.com> <CAFOYbcnfp5rvHT70MPLoW==kCeE_bMi979wcbbyWgQWKAdawgw@mail.gmail.com> <CAENR%2B_Xcav2HMGLKCE7pxuMrLQCg3=SM4e=EC0bunh1QGZh1vw@mail.gmail.com>
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Make sure you are in slots with enough lanes/bandwidth, the driver should complain when loaded if you aren't though. Make sure you aren't getting interrupts throttled, and that you have sufficient mbuf resources so you aren't waiting on those, that can make a BIG difference. Jack On Thu, Oct 3, 2013 at 2:37 PM, Rumen Telbizov <telbizov@gmail.com> wrote: > Thanks Jack, > > So I am running a couple of FreeBSD machines with those and they are in > LACP pair plus vlans on top of them. > When I run iperf between the two I get about about 1.7Gbit/s with 1 thread > and I max out around 4.5-5Gbp/s with 6-8 multiple parallel threads (tried > both UDP and TCP). > > What kind of tuning would you recommend that I try? > > Thanks, > Rumen Telbizov > > > On Thu, Oct 3, 2013 at 1:35 PM, Jack Vogel <jfvogel@gmail.com> wrote: > >> sysctl dev.ix.0 etc... >> >> Jack >> >> >> >> On Thu, Oct 3, 2013 at 12:35 PM, Rumen Telbizov <telbizov@gmail.com>wrote: >> >>> Hello everyone, >>> >>> I am trying to tweak some of the sysctl tunables for the ix (ixgbe) >>> driver >>> in FreeBSD 9.2 since I am experiencing less than ideal performance and it >>> seems like I can't find any: >>> >>> # sysctl -a | grep -i ixgbe >>> device ixgbe >>> >>> I am running 9.2-RC4. >>> >>> Any input appreciated. >>> >>> Thanks, >>> -- >>> Rumen Telbizov >>> Unix Systems Administrator <http://telbizov.com>; >>> _______________________________________________ >>> freebsd-stable@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >>> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org >>> " >>> >> >> > > > -- > Rumen Telbizov > Unix Systems Administrator <http://telbizov.com>; >
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