Date: Mon, 15 Aug 2016 16:49:20 +0200 From: Ben RUBSON <ben.rubson@gmail.com> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: Unstable local network throughput Message-ID: <91AEB1BD-44EA-43AD-A9A1-6DEBF367DF9B@gmail.com> In-Reply-To: <CAJ-VmonL8kVs3=BBg02cbzXA9NpAh-trdCBh4qkjw29dOCau-g@mail.gmail.com> References: <3C0D892F-2BE8-4650-B9FC-93C8EE0443E1@gmail.com> <bed13ae3-0b8f-b1af-7418-7bf1b9fc74bc@selasky.org> <3B164B7B-CBFB-4518-B57D-A96EABB71647@gmail.com> <5D6DF8EA-D9AA-4617-8561-2D7E22A738C3@gmail.com> <BD0B68D1-CDCD-4E09-AF22-34318B6CEAA7@gmail.com> <CAJ-VmomW0Wth-uQU-OPTfRAsXW1kTDy-VyO2w-pgNosb-N1o=Q@mail.gmail.com> <B4D77A84-8F02-43E7-AD65-5B92423FC344@gmail.com> <CAJ-Vmo=Mfcvd41gtrt8GJfEtP-DQFfXt7pZ8eRLQzu73M=sX4A@mail.gmail.com> <7DD30CE7-32E6-4D26-91D4-C1D4F2319655@gmail.com> <CAJ-VmongwvbY3QqKBV%2BFJCHOfSdr-=v9CmLH1z=Tqwz19AtUpg@mail.gmail.com> <AF923C63-2414-4DCE-9FD9-CAE02E3AC8CE@gmail.com> <CAJ-VmonL8kVs3=BBg02cbzXA9NpAh-trdCBh4qkjw29dOCau-g@mail.gmail.com>
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> On 12 Aug 2016, at 00:52, Adrian Chadd <adrian.chadd@gmail.com> wrote: >=20 > Which ones of these hit the line rate comfortably? So Adrian, I ran tests again using FreeBSD 11-RC1. I put iperf throughput in result files (so that we can classify them), = as well as top -P ALL and pcm-memory.x. iperf results : columns 3&4 are for srv1->srv2, columns 5&6 are for = srv2->srv1 (both flows running at the same time). Results, expected throughput (best first) : 11, 01, 05, 07, 06 Results, bad (best first) : 04, 02, 09, 03 Results, worst (best first) : 10, 08 00) Idle system http://pastebin.com/raw/K1iMVHVF 01) No pinning http://pastebin.com/raw/7J3HibX0 02) numactl -l fixed-domain-rr -m 0 -c 0 http://pastebin.com/raw/Yt7yYr0K 03) numactl -l fixed-domain-rr -m 0 -c 0 + cpuset -l <0-11> -x <IRQ> http://pastebin.com/raw/1FAgDUSU 04) numactl -l fixed-domain-rr -m 0 -c 0 + cpuset -l <12-23> -x <IRQ> http://pastebin.com/raw/fTAxrzBb 05) numactl -l fixed-domain-rr -m 1 -c 1 http://pastebin.com/raw/kuAHzKu2 06) numactl -l fixed-domain-rr -m 1 -c 1 + cpuset -l <0-11> -x <IRQ> http://pastebin.com/raw/tgtaZgwb 07) numactl -l fixed-domain-rr -m 1 -c 1 + cpuset -l <12-23> -x <IRQ> http://pastebin.com/raw/16ReuGFF 08) No pinning, default kernel (no NUMA option) http://pastebin.com/raw/Ah74fKRx 09) default kernel (no NUMA option) + cpuset -l <0-11> + cpuset -l <0-11> -x <IRQ> http://pastebin.com/raw/YE0PxEu8 10) default kernel (no NUMA option) + cpuset -l <12-23> + cpuset -l <12-23> -x <IRQ> http://pastebin.com/raw/RPh8aM49 11) No pinning, default kernel (no NUMA option), NUMA BIOS disabled http://pastebin.com/raw/LyGcLKDd Ben
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