Date: Wed, 18 Sep 2019 08:34:18 -0700 From: vm finance <vm.finance2@gmail.com> To: Randall Stewart <rrs@netflix.com> Cc: =?UTF-8?Q?Michael_T=C3=BCxen?= <michael.tuexen@lurchi.franken.de>, freebsd-net <freebsd-net@freebsd.org>, Jamie Landeg-Jones <jamie@catflap.org>, Ryan Stone <rysto32@gmail.com> Subject: Re: BBR patches? Message-ID: <CAKy-8=jsqs6_LbX94zV4OT9hBJZLvC9tofu6JOEmV=AMb_=GWw@mail.gmail.com> In-Reply-To: <F9C36F36-8369-4318-86A2-2CC7865D87C2@netflix.com> References: <CAKy-8=jUu=dbp1s7nhYBwgeh%2BiO-XY-YEnh1MJ81aYJoopVonA@mail.gmail.com> <201909091232.x89CWl4b047025@donotpassgo.dyslexicfish.net> <CAKy-8=gZ8E73PZdxb33aN=TmfigcNyTvZP4wP3M-mAy9no-v6w@mail.gmail.com> <CAFMmRNxbX5f3s0ZZk=Epr7Gu7%2Bsjat8F0TV0aX_RwoFgX0s%2ByA@mail.gmail.com> <CAKy-8=g=3LC8u_vc_3_Pfe6pgoUxpvx7N_j=xv7nRaM%2BD1Oz-A@mail.gmail.com> <D35AF884-C631-42CE-ABFD-F4AA76AA6693@netflix.com> <CAKy-8=jSdSFPJWL=cLeea-KSc=9wxR6vQTODibw7-GUh0XpCfw@mail.gmail.com> <27AD43DA-3237-490A-B3A6-C1792F9674E5@netflix.com> <CAKy-8=idqzA0-Trm%2B5gZSQs=vyXrPm40gP3AsbMf_YQj-NEHaA@mail.gmail.com> <CAKy-8=jpGvKU1khALK%2Ba5Ojp7btg7y1W%2BELtTLQaniVNtgBj3g@mail.gmail.com> <AD906F45-B083-476F-952E-3318F36BD828@netflix.com> <BCC20B79-ECEF-4D7C-AA7E-5F8A0869753A@netflix.com> <5B630235-ABC7-4122-9082-F59BCCCDE14A@netflix.com> <CAKy-8=jwoV8=gXXUCCMARe4%2BELuqDXuYY=J9Rn7ej0536xTJvQ@mail.gmail.com> <84C20AED-44B1-4673-A29E-1A6FA61D8F27@netflix.com> <DEA3139A-ED05-47D9-833E-F1631E7185AD@gmail.com> <CAKy-8=gAFZu0wWgWCNwuYDzKcyoLDwHgUPGNA%2BaLCucEfFrgYg@mail.gmail.com> <EE614FCD-C0B1-4934-98A5-F60C5054C077@lurchi.franken.de> <98E195A0-AFE2-4182-BE90-493E76A0DB1C@netflix.com> <9F3B0B5B-EF6A-42E1-99B8-9644DD0B39AB@netflix.com> <CAKy-8=gjXXz8VRkxaHXQY4Z%2BJpAkFusFbv_eFnM8huwWZgQD_g@mail.gmail.com> <CAKy-8=jH1LcWycm5tM3sZMvUL6ETBaZ_V4DdgKmHTPe7QyfPww@mail.gmail.com> <F9C36F36-8369-4318-86A2-2CC7865D87C2@netflix.com>
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I'm using amd64. I'd get back as soon as base build is complete. Thanks! On Wed, Sep 18, 2019 at 7:09 AM Randall Stewart <rrs@netflix.com> wrote: > To get bbr running you will need to change your kernel config. > > Are you building i386 or amd64? > > After you have successfully did > > 1) buildworld > 2) buildkernel > 3) installkernel > > (you can look in UPDATING for instructions .. though the file is long :D) > > successfully let me know.. and then I will give you the tweaks you need t= o > add > to the kerneconf. > > It won=E2=80=99t take as long to build because at that point you can add = in the > NO_CLEAN NO_CLEANDIR options as well since you will have built everything > the first time > > R > > > On Sep 18, 2019, at 7:06 AM, vm finance <vm.finance2@gmail.com> wrote: > > > > BTW, if you think I should be making any changes in configs, please do > let me know. > > My goal is to build a freebsd image with BBR patches on x86 VM. > > Nothing fancy. > > > > thanks! > > > > On Wed, Sep 18, 2019 at 7:03 AM vm finance <vm.finance2@gmail.com> > wrote: > > Thanks Randall, Michael, > > > > I did "svn svn://svn.freebsd.org/base/head /usr/src" > > and now doing "make buildworld buildkernel" > > [I didn't change anything in configs - just whatever are the defaults] > > > > I would update as soon as its done. > > > > Thanks again! > > > > On Wed, Sep 18, 2019 at 6:53 AM Randall Stewart <rrs@netflix.com> wrote= : > > One other note.. I notice his kernel conf he sent does not have > > the right things to get BBR even to attempt to build. > > > > I would suggest using that config for the first steps.. then he must ad= d > > the additional tcp stacks and the hpts in order to get bbr/rack and any > other > > extra stack=E2=80=A6. > > > > But I would suggest to build with his current config first and once he > has > > that in place and building > > > > a) apply the patch > > b) add the extra kernel options > > > > R > > > > > On Sep 18, 2019, at 6:50 AM, Randall Stewart <rrs@netflix.com> wrote: > > > > > > Thats great idea Michael. > > > > > > From the look fo the build log I was sent, his blow-up has nothing to > do > > > with the patches. > > > > > > He should probably > > > > > > 1) Check out a fresh version of head. > > > 2) Follow the instructions in UPDATING to get a clean build. > > > =E2=80=94 make buildworld > > > =E2=80=94 make buildkernel KERNCONF=3Dhis-conf > > > =E2=80=94 make installkernel KERNCONF=3Dhis-conf > > > > > > ** do the reboot and merge master ** > > > > > > Then after that he could > > > > > > 3) Apply the current patch in the review > > > 4) do build that > > > =E2=80=94 make buildkernel KERNCONF=3Dhis_conf -DNO_CLEAN -DNO_= CLEANDIR > > > =E2=80=94 make install kernel KERNCONF=3Dhis_conf > > > > > > And he should have it all working :) > > > > > > I have done multiple builds with the latest head from yesterday both > with and without > > > the extra stacks and hpts.. and I can=E2=80=99t get a build failure..= this > would verify he can > > > at least build head.. > > > > > > R > > > > > >> On Sep 18, 2019, at 12:10 AM, Michael Tuexen < > michael.tuexen@lurchi.franken.de> wrote: > > >> > > >>> On 18. Sep 2019, at 08:19, vm finance <vm.finance2@gmail.com> wrote= : > > >>> > > >>> correcting a typo: > > >>> > > >>> svn co svn://svn.freebsd.org/base/head /usr/src > > >>> current revision: 352434 > > >> I suggest to build/install head first without any patches. After tha= t > has worked, > > >> apply the patches you are interested in. That way it is easy to > separate generic > > >> build issues and issue specific to a patch. > > >> > > >> Best regards > > >> Michael > > >>> > > >>> Thank you! > > >>> > > >>> On Tue, Sep 17, 2019 at 10:11 PM vm finance <vm.finance2@gmail.com> > wrote: > > >>> > > >>>> Actually I am on head already as mentioned previously. Pulled it > using > > >>>> yesterday: > > >>>> > > >>>> svn co svn://svn.freebsd.org/base/head /use/src > > >>>> > > >>>> > > >>>> If you could pls let me know the new patch, I can try that. > > >>>> > > >>>> Thanks > > >>>> > > >>>> Sent from my iPhone > > >>>> > > >>>> On 18-Sep-2019, at 8:56 AM, Randall Stewart <rrs@netflix.com> > wrote: > > >>>> > > >>>> There have been several patches pre-this one that provide > > >>>> the infrastructure to support BBR. > > >>>> > > >>>> Release 12.0 will *not* have these patches and will *not* compile > it. > > >>>> > > >>>> I have no intention at this point in doing a MFC of this work.. so > if you > > >>>> want > > >>>> to run BBR you need to run Head > > >>>> > > >>>> R > > >>>> > > >>>> On Sep 17, 2019, at 7:26 PM, vm finance <vm.finance2@gmail.com> > wrote: > > >>>> > > >>>> > > >>>> Hi Randall, > > >>>> > > >>>> > > >>>> Could you please provide a pointer to the latest patch. I had > applied the > > >>>> one you published Sep-10. > > >>>> > > >>>> > > >>>> Following is what I have done: > > >>>> > > >>>> 1. Picked FreeBSD 12.0 RELEASE VM from osboxes.org > > >>>> > > >>>> 2. Got VM up under VMPlayer on x86 laptop > > >>>> > > >>>> 3. Checked out latest codebase from freebsd repo: > > >>>> > > >>>> svn co svn://svn.freebsd.org/base/head /usr/src* > > >>>> > > >>>> cd /usr/src; > > >>>> > > >>>> make buildworld buildkernel > > >>>> > > >>>> [this is where make fails when patch is applied] > > >>>> > > >>>> > > >>>> I could try to build with your latest patch - please send me a > pointer. > > >>>> > > >>>> > > >>>> Thanks for your help! > > >>>> > > >>>> > > >>>> > > >>>> On Tue, Sep 17, 2019 at 1:33 PM Randall Stewart <rrs@netflix.com> > wrote: > > >>>> > > >>>> Looking at your make file log I can=E2=80=99t really tell what you= are > doing. > > >>>> > > >>>> > > >>>> Its not the BBR or Rack code that is blowing up=E2=80=A6 > > >>>> > > >>>> > > >>>> Are you cross compiling? > > >>>> > > >>>> > > >>>> I have done the old fashioned kernel make > > >>>> > > >>>> > > >>>> i.e. > > >>>> > > >>>> > > >>>> cd src/sys/amd64/config > > >>>> > > >>>> config headvm > > >>>> > > >>>> cd ../compile/headvm > > >>>> > > >>>> > > >>>> make cleandepend ; make depend; make -j3 > > >>>> > > >>>> > > >>>> I have done > > >>>> > > >>>> > > >>>> cd src > > >>>> > > >>>> make buildkernel KERNCONF=3Dheadvm > > >>>> > > >>>> > > >>>> And even > > >>>> > > >>>> > > >>>> make buildkernel KERNCONF=3DGENERIC > > >>>> > > >>>> > > >>>> to make sure that the build works without bbr. > > >>>> > > >>>> > > >>>> I attach my headvm config.. > > >>>> > > >>>> > > >>>> What exactly are you building and how? kernel config too please? > > >>>> > > >>>> > > >>>> R > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> On Sep 17, 2019, at 1:11 PM, Randall Stewart <rrs@netflix.com> > wrote: > > >>>> > > >>>> > > >>>> looking > > >>>> > > >>>> > > >>>> I was at 352408.. let me update and try it > > >>>> > > >>>> > > >>>> R > > >>>> > > >>>> > > >>>> On Sep 17, 2019, at 1:10 PM, Randall Stewart <rrs@netflix.com> > wrote: > > >>>> > > >>>> > > >>>> Hmm > > >>>> > > >>>> > > >>>> Did you get the patch I updated too this am? > > >>>> > > >>>> > > >>>> I have built it both with and without the bbr stack and had no > issue.. > > >>>> there was > > >>>> > > >>>> an issue with KTLS before the update though. > > >>>> > > >>>> > > >>>> I don=E2=80=99t recognize what you have below there though=E2=80= =A6 > > >>>> > > >>>> > > >>>> R > > >>>> > > >>>> > > >>>> On Sep 17, 2019, at 11:47 AM, vm finance <vm.finance2@gmail.com> > wrote: > > >>>> > > >>>> > > >>>> Got it - thank you! > > >>>> > > >>>> > > >>>> btw, I tried to build the patch but its giving an error. Following > is SVN > > >>>> info + make error mesg. > > >>>> > > >>>> > > >>>> Please let me know what am I missing here? > > >>>> > > >>>> > > >>>> Thanks! > > >>>> > > >>>> > > >>>> #svnlite revision > > >>>> > > >>>> Path: . > > >>>> > > >>>> Working Copy Root Path: /usr/src > > >>>> > > >>>> URL: svn://svn.freebsd.org/base/head > > >>>> > > >>>> Relative URL: ^/head > > >>>> > > >>>> Repository Root: svn://svn.freebsd.org/base > > >>>> > > >>>> Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f > > >>>> > > >>>> Revision: 352436 > > >>>> > > >>>> Node Kind: directory > > >>>> > > >>>> Schedule: normal > > >>>> > > >>>> Last Changed Author: jah > > >>>> > > >>>> Last Changed Rev: 352434 > > >>>> > > >>>> Last Changed Date: 2019-09-17 03:39:31 +0000 (Tue, 17 Sep 2019) > > >>>> > > >>>> > > >>>> root@osboxes:/usr/src # > > >>>> > > >>>> > > >>>> -------------------------------------------- snip > > >>>> ---------------------------- > > >>>> > > >>>> > > >>>> ad_elf64_obj.llo reloc_elf64.llo disk.llo part.llo vdisk.llo > dev_net.llo > > >>>> bcache.llo interp_simple.llo zfs_cmd.llo > > >>>> > > >>>> rm -f .depend .depend.* GPATH GRTAGS GSYMS GTAGS > > >>>> > > >>>> =3D=3D=3D> sys (cleandir) > > >>>> > > >>>> rm -f export_syms machine x86 tcp_bbr.ko tcp_bbr.kld bbr.o > sack_filter.o > > >>>> rack_bbr_common.o opt_inet.h opt_inet6.h opt_ipsec.h opt_tcpdebug.= h > > >>>> opt_kern_tls.h > > >>>> > > >>>> rm: x86: is a directory > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make[3]: stopped in /usr/src/sys > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make[2]: stopped in /usr/src > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make[1]: stopped in /usr/src > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make: stopped in /usr/src > > >>>> > > >>>> > > >>>> > > >>>> On Tue, Sep 17, 2019 at 6:41 PM vm finance <vm.finance2@gmail.com> > wrote: > > >>>> > > >>>> Got it - thank you! > > >>>> > > >>>> > > >>>> btw, I tried to build the patch but its giving an error. Following > is SVN > > >>>> info + make error mesg. > > >>>> > > >>>> I have also attached the entire build log...snippet is below > > >>>> > > >>>> > > >>>> Please let me know what am I missing here? > > >>>> > > >>>> > > >>>> Thanks! > > >>>> > > >>>> > > >>>> #svnlite revision > > >>>> > > >>>> Path: . > > >>>> > > >>>> Working Copy Root Path: /usr/src > > >>>> > > >>>> URL: svn://svn.freebsd.org/base/head > > >>>> > > >>>> Relative URL: ^/head > > >>>> > > >>>> Repository Root: svn://svn.freebsd.org/base > > >>>> > > >>>> Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f > > >>>> > > >>>> Revision: 352436 > > >>>> > > >>>> Node Kind: directory > > >>>> > > >>>> Schedule: normal > > >>>> > > >>>> Last Changed Author: jah > > >>>> > > >>>> Last Changed Rev: 352434 > > >>>> > > >>>> Last Changed Date: 2019-09-17 03:39:31 +0000 (Tue, 17 Sep 2019) > > >>>> > > >>>> > > >>>> root@osboxes:/usr/src # > > >>>> > > >>>> > > >>>> -------------------------------------------- snip > > >>>> ---------------------------- > > >>>> > > >>>> > > >>>> ad_elf64_obj.llo reloc_elf64.llo disk.llo part.llo vdisk.llo > dev_net.llo > > >>>> bcache.llo interp_simple.llo zfs_cmd.llo > > >>>> > > >>>> rm -f .depend .depend.* GPATH GRTAGS GSYMS GTAGS > > >>>> > > >>>> =3D=3D=3D> sys (cleandir) > > >>>> > > >>>> rm -f export_syms machine x86 tcp_bbr.ko tcp_bbr.kld bbr.o > sack_filter.o > > >>>> rack_bbr_common.o opt_inet.h opt_inet6.h opt_ipsec.h opt_tcpdebug.= h > > >>>> opt_kern_tls.h > > >>>> > > >>>> rm: x86: is a directory > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make[3]: stopped in /usr/src/sys > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make[2]: stopped in /usr/src > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make[1]: stopped in /usr/src > > >>>> > > >>>> *** Error code 1 > > >>>> > > >>>> > > >>>> Stop. > > >>>> > > >>>> make: stopped in /usr/src > > >>>> > > >>>> > > >>>> > > >>>> On Tue, Sep 17, 2019 at 6:27 PM Randall Stewart <rrs@netflix.com> > wrote: > > >>>> > > >>>> Pacing is provided by tcp_hpts.c. The current linux patches do not > have > > >>>> > > >>>> to have fq.. they built an alternate means of doing pacing into bb= r. > > >>>> > > >>>> > > >>>> In either case our testing has shown that our pacing is more > accurate than > > >>>> > > >>>> either fq or the internal pacer :) > > >>>> > > >>>> > > >>>> R > > >>>> > > >>>> > > >>>> On Sep 17, 2019, at 11:05 AM, vm finance <vm.finance2@gmail.com> > wrote: > > >>>> > > >>>> > > >>>> Thanks Randall. > > >>>> > > >>>> I was able to apply the patch - now rebuilding the kernel. Would > update on > > >>>> how it goes. > > >>>> > > >>>> > > >>>> BTW, is there any description on how lack of tc_fq under FreeBSD i= s > > >>>> compensated here? > > >>>> > > >>>> The original BBR patches on Linux show that as a must-have? Is tha= t > > >>>> functionality implemented via tcp_ratelimit.[ch]? > > >>>> > > >>>> > > >>>> Any pointers to existing presentations/discussions highly > appreciated? > > >>>> > > >>>> > > >>>> Thanks a lot. > > >>>> > > >>>> > > >>>> On Tue, Sep 17, 2019 at 5:39 AM Randall Stewart <rrs@netflix.com> > wrote: > > >>>> > > >>>> You should be able to compile it against the current head. I > re-doing that > > >>>> now (had an > > >>>> > > >>>> issue with my machine and had to roll it back to a backup). > > >>>> > > >>>> > > >>>> When I put the patch up on Sept 10th it complied with and without > BBR on > > >>>> whatever > > >>>> > > >>>> was that rev.. > > >>>> > > >>>> > > >>>> Looking in the commit logs that would have been around 352191 > > >>>> > > >>>> > > >>>> Hope that helps > > >>>> > > >>>> > > >>>> R > > >>>> > > >>>> > > >>>> On Sep 17, 2019, at 3:32 AM, vm finance <vm.finance2@gmail.com> > wrote: > > >>>> > > >>>> > > >>>> Hi Randall, > > >>>> > > >>>> > > >>>> Thanks for releasing BBR patch: > > >>>> > > >>>> https://reviews.freebsd.org/D21582#change-xcAWBif3E9Jq > > >>>> > > >>>> > > >>>> Could you please let me know what SVN/GIT label tag this is based > on? I > > >>>> would like to patch and experiment with it. I couldn't find this > info in > > >>>> the released patch. > > >>>> > > >>>> > > >>>> Thanks a lot! > > >>>> > > >>>> > > >>>> On Tue, Sep 10, 2019 at 10:26 AM Ryan Stone <rysto32@gmail.com> > wrote: > > >>>> > > >>>> rrs@ has just posted the BBR patch to phabricator: > > >>>> > > >>>> > > >>>> https://reviews.freebsd.org/D21582 > > >>>> > > >>>> > > >>>> ------ > > >>>> > > >>>> Randall Stewart > > >>>> > > >>>> rrs@netflix.com > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> ------ > > >>>> > > >>>> Randall Stewart > > >>>> > > >>>> rrs@netflix.com > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> ------ > > >>>> > > >>>> Randall Stewart > > >>>> > > >>>> rrs@netflix.com > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> ------ > > >>>> > > >>>> Randall Stewart > > >>>> > > >>>> rrs@netflix.com > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> ------ > > >>>> > > >>>> Randall Stewart > > >>>> > > >>>> rrs@netflix.com > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> ------ > > >>>> Randall Stewart > > >>>> rrs@netflix.com > > >>>> > > >>>> > > >>>> > > >>>> > > >>> _______________________________________________ > > >>> freebsd-net@freebsd.org mailing list > > >>> https://lists.freebsd.org/mailman/listinfo/freebsd-net > > >>> To unsubscribe, send any mail to " > freebsd-net-unsubscribe@freebsd.org" > > > > > > ------ > > > Randall Stewart > > > rrs@netflix.com > > > > > > > > > > > > > ------ > > Randall Stewart > > rrs@netflix.com > > > > > > > > ------ > Randall Stewart > rrs@netflix.com > > > >
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