Date: Mon, 24 Oct 2011 23:08:16 -0700 (PDT) From: Sergey Saley <sergeysaley@gmail.com> To: freebsd-net@freebsd.org Subject: Re: Too much interrupts on ixgbe Message-ID: <1319522896192-4935167.post@n5.nabble.com> In-Reply-To: <CACqU3MXMXQf8CP9trpBo81B9Zxo89SVw8GXsmAA_jw-CWYQyaw@mail.gmail.com> References: <1319449307149-4931883.post@n5.nabble.com> <CAFOYbc=vM6_UMXCTOUz_mTyTVpCxp61Np68ERH8tx4KE9aT8gA@mail.gmail.com> <1319478384269-4933498.post@n5.nabble.com> <CAFOYbcnF8Q-E0Jocja6LQ8HuwTwkL5ghuo_KWM0uku0mxpNHDw@mail.gmail.com> <1319483324861-4933765.post@n5.nabble.com> <CAFMmRNzYiJz_FigTMLr4iNTr4dhVy%2BbiCgUJ%2BT5uuCvYw6vEPA@mail.gmail.com> <1319485884830-4933934.post@n5.nabble.com> <CAFMmRNwOieMM83wHwqukDQy=D5y43ULZOiazVQV0Af5Ad1Tzrw@mail.gmail.com> <CACqU3MXMXQf8CP9trpBo81B9Zxo89SVw8GXsmAA_jw-CWYQyaw@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Arnaud Lacombe-6 wrote: >=20 > Hi, >=20 > On Mon, Oct 24, 2011 at 4:32 PM, Ryan Stone <rysto32@> wrote: >> On Mon, Oct 24, 2011 at 3:51 PM, Sergey Saley <sergeysaley@> wrote= : >>> MPD5, netgraph, pppoe.Types of traffic - any (customer traffic). >>> Bying this card I counted on a 3-4G traffic at 3-4K pppoe sessions. >>> It turned to 600-700Mbit/s, about 50K pps at 700-800 pppoe sessions. >> >> PPPoE is your problem. =C2=A0The Intel cards can't load-balance PPPoE >> traffic, so everything goes to one queue. =C2=A0It may be possible to wr= ite >> a netgraph module to load-balance the traffic across your CPUs. >> > NetGraph already runs a thread per CPU, as you can see in top's > output. There is also still have plenty of CPU usable, so I'd assume > some hard-limit are hit, maybe any of `net.graph.maxdata' or > `net.graph.maxalloc'. >=20 > Sergey, what is the output of: >=20 > # vmstat -z | grep NetGraph >=20 >=20 # vmstat -z | grep NetGraph ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP NetGraph items: 72, 4118, 2, 404,40806244, 0, 0 NetGraph data items: 72, 522, 0, 406,658514523, 0, 0 -- View this message in context: http://freebsd.1045724.n5.nabble.com/Too-much= -interrupts-on-ixgbe-tp4931883p4935167.html Sent from the freebsd-net mailing list archive at Nabble.com.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1319522896192-4935167.post>