Date: Mon, 26 Oct 2015 17:40:24 +0000 From: "Eggert, Lars" <lars@netapp.com> To: "Pieper, Jeffrey E" <jeffrey.e.pieper@intel.com> Cc: Kevin Oberman <rkoberman@gmail.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Daniel Engberg <daniel.engberg.lists@pyret.net> Subject: Re: ixl 40G bad performance? Message-ID: <A546ABEA-D495-461F-9441-31F70AACC146@netapp.com> In-Reply-To: <2A35EA60C3C77D438915767F458D6568807F2D52@ORSMSX111.amr.corp.intel.com> References: <5aae0ee63c44627223d5d179f1901d00@pyret.net> <CAN6yY1t9Tw0j=uwaw1GK47r5=F-zeuz2hps_Ez3Y_QC-QSAGKA@mail.gmail.com> <0E4C2D93-FBAF-48CB-A704-499ABFC892B9@netapp.com> <2A35EA60C3C77D438915767F458D6568807F2A8A@ORSMSX111.amr.corp.intel.com> <99E53825-99F8-4E82-A710-6BC07B123F77@netapp.com> <2A35EA60C3C77D438915767F458D6568807F2D52@ORSMSX111.amr.corp.intel.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--Apple-Mail=_B5A770B2-4022-4326-91FB-CB0BE6B08516 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 2015-10-26, at 17:08, Pieper, Jeffrey E <jeffrey.e.pieper@intel.com> = wrote: > As a caveat, this was using default netperf message sizes. I get the same ~3 Gb/s with the default netperf sizes and driver 1.4.5. When you tcpdump during the run, do you see TSO/LRO in effect, i.e., do = you see "segments" > 32K in the trace? Lars --Apple-Mail=_B5A770B2-4022-4326-91FB-CB0BE6B08516 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- iQCVAwUBVi5lh9ZcnpRveo1xAQiVAQP7Bj0rWXpPP8i2z7hWTdee+oXd7kxHTbWS N20gwd3WF6AB1/OhkyEr0qKu5rikbijraFI8xM9A+onb/ZC8RfwdUQWx+rG68QfV 02PnWAjeqrVJnXtuPBuXVgXUzYJAVyJY8bmrTqDlTiwdHoMvRsDAtAXVGFJk2UnA m6X89vB1AIA= =sr6A -----END PGP SIGNATURE----- --Apple-Mail=_B5A770B2-4022-4326-91FB-CB0BE6B08516--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?A546ABEA-D495-461F-9441-31F70AACC146>