Date: Sat, 16 Mar 2024 14:24:02 +0100 From: tuexen@freebsd.org To: Nuno Teixeira <eduardo@freebsd.org> Cc: garyj@gmx.de, current@freebsd.org, net@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <7367F29A-D52B-4828-B79A-AA2667E81E7D@freebsd.org> In-Reply-To: <CAFDf7U%2BBgyw2e1hJySt-4GTX3=qn6LX7B2Ebzcmvr%2BD6MJqfpg@mail.gmail.com> References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <CAFDf7U%2BU3QpgsG-hY0u3tC_X9WKSRzuAM7Nfhzu-%2BqPBbs1nng@mail.gmail.com> <486915F0-456B-4B09-A8BC-93BBA79C4CA1@freebsd.org> <20240313080624.6c73908c@ernst.home> <508E3B47-8E1B-469F-97B1-2171A3098888@freebsd.org> <86a5n1i0xg.fsf@ltc.des.dev> <AE656D0C-FA5B-4194-8B57-4140CD57ABF1@freebsd.org> <CAFDf7UJRitdHz5QebNH9A4mNo0pKCBRfZCfmFgjNVSdCr_JXrw@mail.gmail.com> <78D1FF09-71A3-4486-B934-D8332F54B237@freebsd.org> <20240316104053.20bef8c2@ernst.home> <CAFDf7UKT=FYsaXRacwsnjDkYUjT4_1QnHynWAc67yxQS8XA0Yw@mail.gmail.com> <20240316115128.33d11f7b@ernst.home> <CAFDf7U%2BBgyw2e1hJySt-4GTX3=qn6LX7B2Ebzcmvr%2BD6MJqfpg@mail.gmail.com>
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> On 16. Mar 2024, at 11:59, Nuno Teixeira <eduardo@freebsd.org> wrote: > >>> Resuming I only need to add: >>> >>> options TCPHPTS >>> >>> Is this correct? >>> >> >> Yeah, that will probably fix it. According to a comment in >> /usr/src/sys/netinet/tcp_hpts.c it adds a high precision timer >> system for tcp, used by RACK and BBR. > > As tuexen said, on main, loader.conf: tcp_rack_load="YES" will load > tcphpts.ko as I am seing in my rpi4 right now. If you load tcp_rack via kldload, tcphtps get loaded automatically. If you load if via /boot/loader.conf, you need to have tcphpts_load="YES" in addition to tcp_rack_load="YES" Best regards Michael > I'm testing it and check its performance. > > I will test again on my amd64 laptop and run more tests too. > > > -- > Nuno Teixeira > FreeBSD Committer (ports)
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