Date: Tue, 24 Jan 2017 07:17:29 -0700 From: Sean Bruno <sbruno@freebsd.org> To: =?UTF-8?Q?Olivier_Cochard-Labb=c3=a9?= <olivier@freebsd.org> Cc: Matthew Macy <mmacy@nextbsd.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending Message-ID: <ad7fdc31-b0dd-2105-1610-cf0f3de42245@freebsd.org> In-Reply-To: <CA%2Bq%2BTcptEN5pcScYo4j3O8OuJHEacZu9ugOz_6b2iFb-CzBFXA@mail.gmail.com> References: <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org> <b000a957-8d17-a04d-6275-0d3920aa8a17@freebsd.org> <CA%2Bq%2BTcramTrYgYT-s%2B=aBZzRJV8FmKQqGt=1twPhLBR7AoXkcQ@mail.gmail.com> <1598d97bf2a.c6bcb76838987.6501340920645175463@nextbsd.org> <574a7ac7-4842-9518-8286-a4d89a9f7a27@freebsd.org> <CA%2Bq%2BTco-dcoU8EZnDEzgoK-v2Q2=U5GF6ASMSj0kwzd_wB5xig@mail.gmail.com> <6c6cb534-73c7-464b-8af1-7445a9c0188c@freebsd.org> <1598f29d379.ea6360351471.8752933472741761813@nextbsd.org> <CA%2Bq%2BTcpUXXPEQtdMFup6EZzyCKs9Ep%2BnS5SB%2Bfm6bSJSDs34_w@mail.gmail.com> <1598f3f8588.d20017893749.339651164872952258@nextbsd.org> <1598f42ad77.eeec05be4113.9201780237587761460@nextbsd.org> <CA%2Bq%2BTcp5LwrnXt75tNpYpAr1KWx9YpLx5kMHhPR%2BYgAs__n1eA@mail.gmail.com> <159902b73ed.10775291e21533.7488368455500235608@nextbsd.org> <CA%2Bq%2BTcpHmuOGyp5A290WmUvGTnOSse7v8gj4=R8kZ=m51-_s4A@mail.gmail.com> <18abdd64-08a6-50ca-fb6b-9c01a3d7b60c@freebsd.org> <CA%2Bq%2BTcptEN5pcScYo4j3O8OuJHEacZu9ugOz_6b2iFb-CzBFXA@mail.gmail.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --EH3LBRDFiKXXA7NS0eMuW7tD6XgogV43s Content-Type: multipart/mixed; boundary="2cFxsCj1f2BEwgvWWut6wxc47a2SP511u"; protected-headers="v1" From: Sean Bruno <sbruno@freebsd.org> To: =?UTF-8?Q?Olivier_Cochard-Labb=c3=a9?= <olivier@freebsd.org> Cc: Matthew Macy <mmacy@nextbsd.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Message-ID: <ad7fdc31-b0dd-2105-1610-cf0f3de42245@freebsd.org> Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending References: <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org> <b000a957-8d17-a04d-6275-0d3920aa8a17@freebsd.org> <CA+q+TcramTrYgYT-s+=aBZzRJV8FmKQqGt=1twPhLBR7AoXkcQ@mail.gmail.com> <1598d97bf2a.c6bcb76838987.6501340920645175463@nextbsd.org> <574a7ac7-4842-9518-8286-a4d89a9f7a27@freebsd.org> <CA+q+Tco-dcoU8EZnDEzgoK-v2Q2=U5GF6ASMSj0kwzd_wB5xig@mail.gmail.com> <6c6cb534-73c7-464b-8af1-7445a9c0188c@freebsd.org> <1598f29d379.ea6360351471.8752933472741761813@nextbsd.org> <CA+q+TcpUXXPEQtdMFup6EZzyCKs9Ep+nS5SB+fm6bSJSDs34_w@mail.gmail.com> <1598f3f8588.d20017893749.339651164872952258@nextbsd.org> <1598f42ad77.eeec05be4113.9201780237587761460@nextbsd.org> <CA+q+Tcp5LwrnXt75tNpYpAr1KWx9YpLx5kMHhPR+YgAs__n1eA@mail.gmail.com> <159902b73ed.10775291e21533.7488368455500235608@nextbsd.org> <CA+q+TcpHmuOGyp5A290WmUvGTnOSse7v8gj4=R8kZ=m51-_s4A@mail.gmail.com> <18abdd64-08a6-50ca-fb6b-9c01a3d7b60c@freebsd.org> <CA+q+TcptEN5pcScYo4j3O8OuJHEacZu9ugOz_6b2iFb-CzBFXA@mail.gmail.com> In-Reply-To: <CA+q+TcptEN5pcScYo4j3O8OuJHEacZu9ugOz_6b2iFb-CzBFXA@mail.gmail.com> --2cFxsCj1f2BEwgvWWut6wxc47a2SP511u Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 01/23/17 23:31, Olivier Cochard-Labb=C3=A9 wrote: > On Tue, Jan 24, 2017 at 2:40 AM, Sean Bruno <sbruno@freebsd.org > <mailto:sbruno@freebsd.org>> wrote: >=20 >=20 >=20 > Which set of configs from your test suite are you using for this? > Specifically, what packet size are you slamming across? >=20 > https://github.com/ocochard/netbenches/tree/master/pktgen.configs > <https://github.com/ocochard/netbenches/tree/master/pktgen.configs>= >=20 >=20 > =E2=80=8BBecause I'm in the point of view of a Telco, I'm measuring the= =C2=ABworst=C2=BB > case, this mean with the smallest frame size. > Here is the exact pkt-gen command line I'm using: > - 60 byte Ethernet frame size (excluding the 4 CRC bytes) > - 2000 UDP flows (20 IP sources * 100 IP destinations) >=20 > pkt-gen -U -i igb2 -f tx -n 80000000 -l 60 -d 198.19.10.1:2000-198.19.1= 0.20 -D 00:0d:b9:41:ca:3d -s 198.18.10.1:2000-198.18.10.100 -w 4 >=20 > =E2=80=8BOption -U is available on a patched netmap version [1]: It fix= the > checksum calculation when using source/destination IP range on NIC that= > didn't enable HW CHKSUM in netmap mode and IPv6 support. >=20 > [1] > https://github.com/ocochard/BSDRP/blob/master/BSDRPcur/patches/freebsd.= pkt-gen.ae-ipv6.patch >=20 Did you increase the number of rx/tx rings to 8 and the number of descriptors to 4k in your tests or just the defaults? sean --2cFxsCj1f2BEwgvWWut6wxc47a2SP511u-- --EH3LBRDFiKXXA7NS0eMuW7tD6XgogV43s Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEEuq1GMucSHejSCZfdEgHvyh5yfmQFAliHYflfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEJB QUQ0NjMyRTcxMjFERThEMjA5OTdERDEyMDFFRkNBMUU3MjdFNjQACgkQEgHvyh5y fmSPMQgAqXlMPwL5pSNAJopoSHmZdKqVVqg+FFU8712U3aIfW2ZA04oign5ejspr n4YfDcl/Y/T2GMPsspKxBdRj00Muj0Vi55xpfyXbFeGNjaTA5q7XcNZ6zz29IZii J/5+KPIadFjdSEFILyfmGC+ZdyYTGcou1FufhxZsFFijTtaooz0T1OIL/83qQwNY trjI52fMWMpwyOugQ06oKIIZVn6MiL9ep5jNBo4y3/UMw7yHLMhFLNM9j7Do2uO2 pdE3vLNq6tM6Fpwp4vzJ+W6TT3PgB10bVz9D4VVHyCaXQTO67m6X78uLweWAqgRS D6QGY1fdrYUgjvb0i3tCJQkileLKmg== =D+Is -----END PGP SIGNATURE----- --EH3LBRDFiKXXA7NS0eMuW7tD6XgogV43s--
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