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Date:      Thu, 19 Sep 2019 06:08:10 +0000
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=hHDbGNHKESYBkhMfXaouJHWn%2BiV08ed2SdU4uoqDUcSg@mail.gmail.com>
In-Reply-To: <8474687C-8E5D-45F0-A3DE-0BF62ED2D28B@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> <CAKy-8=jsqs6_LbX94zV4OT9hBJZLvC9tofu6JOEmV=AMb_=GWw@mail.gmail.com> <CAKy-8=iTC_hvJsjBpGgZMO6RWDF9Ak_RAv_KTeGOpKLZO-VUZg@mail.gmail.com> <8474687C-8E5D-45F0-A3DE-0BF62ED2D28B@netflix.com>

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Hi Randall,

I applied the patch available at:
https://reviews.freebsd.org/D21582?id=3D62213
NOTE: This raw patch seems to be exactly the same as the one I downloaded
on Sep10...hope I'm not missing anything here...

I clicked on "download raw diff" and saved it to bbr_patch.diff file on my
local machine
Step 1: Apply PATCH:
cd /usr/src/sys
patch < bbr_patch.diff
Patch was applied successfully - no errors seen there.

Step 2: Update kernel config:
cp /usr/src/sys/amd64/conf/GENERIC /usr/src/sys/amd64/conf/MYKERNEL
Added three options to MYKERNEL (per ur email - I have also attached the
compile MYKERNEL file)
cd /usr/src/sys/amd64/compile/MYKERNEL
make cleandepend
=3D>This fails due to missing "bbr" under /usr/src/sys/modules/tcp/
[pls find the attached log file for exact error]

make depend
=3D> This also fails due to missing "/usr/src/sys/modules/tcp/bbr"

STEP 3:
cd /usr/src/
make buildkernel KERNCONF=3DMYKERNEL
This also fails due to prior errors in Step 2.

Please find MYKERNEL config file + error logs.

Many many thanks for taking time to help me through this!

PS: I did a make buildkernel without any KERNCONF=3DMYKERNEL, and that
successfully finished.



On Thu, Sep 19, 2019 at 12:19 PM Randall Stewart <rrs@netflix.com> wrote:

> You can look in the config I sent.. but here is what
> I have added to enable BBR and Rack to be built
> *****
> makeoptions     WITH_EXTRA_TCP_STACKS=3D1
> options         TCPHPTS
> options         RATELIMIT
> ******
>
> So you should
> 1) Apply the current patch in phabricator
> 2) edit your config and add the above three lines
> 3) go to the src dir and type
>      make buildkernel KERNCONF=3Dmyconf
>
> That should build and get you a kernel that will include bbr and rack. Yo=
u
> will
> need to, after it boots up type
>
> kldload tcp_bbr
>
> or
>
> kldload tcp_rack
>
> To get the modules loaded
>
> R
>
>
>
> > On Sep 18, 2019, at 2:31 PM, vm finance <vm.finance2@gmail.com> wrote:
> >
> > Hi Randall, Michael,
> >
> > Build is done successfully. I would appreciate if you could share confi=
g
> changes needed for BBR.
> >
> > My svn revision is: 352483
> >
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
> > awk -f /usr/src/sys/conf/kmod_syms.awk zlib.ko.full  export_syms | xarg=
s
> -J% objcopy % zlib.ko.full
> > objcopy --only-keep-debug zlib.ko.full zlib.ko.debug
> > objcopy --strip-debug --add-gnu-debuglink=3Dzlib.ko.debug  zlib.ko.full
> zlib.ko
> > --------------------------------------------------------------
> > >>> Kernel build for GENERIC completed on Wed Sep 18 21:08:31 UTC 2019
> > --------------------------------------------------------------
> > >>> Kernel(s)  GENERIC built in 1972 seconds, ncpu: 4
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
> >
> > Thank you
> > Vishal.
> >
> >
> > On Wed, Sep 18, 2019 at 3:34 PM vm finance <vm.finance2@gmail.com>
> wrote:
> > 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
> to add
> > to the kerneconf.
> >
> > It won=E2=80=99t take as long to build because at that point you can ad=
d in the
> > NO_CLEAN NO_CLEANDIR options as well since you will have built everythi=
ng
> > 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 d=
o
> 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
> add
> > > 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 h=
e
> 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 -DN=
O_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 bot=
h
> 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
> that 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.co=
m>
> 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* compil=
e
> 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 y=
ou 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.co=
m>
> 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
> bbr.
> > > >>>>
> > > >>>>
> > > >>>> 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
> is
> > > >>>> compensated here?
> > > >>>>
> > > >>>> The original BBR patches on Linux show that as a must-have? Is
> that
> > > >>>> 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 withou=
t
> 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 base=
d
> 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
> >
> >
> >
>
> ------
> Randall Stewart
> rrs@netflix.com
>
>
>
>

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