BBR patches?

vm finance vm.finance2 at gmail.com
Fri Sep 20 02:57:42 UTC 2019


I manually extracted Makefile contents from the patch and added that as
Makefile under ~modules/tcp/bbr...
make cleandepend worked

now trying make depend....would keep you posted.

Thanks!

On Thu, Sep 19, 2019 at 7:39 PM vm finance <vm.finance2 at gmail.com> wrote:

> Since you mentioned Sep17 vs Sep10 patches should be slightly different, I
> would appreciate if you could please check the one available at:
> https://reviews.freebsd.org/D21582?id=62213
>
> Is that the correct one to download/use?
>
> Thank you!
>
>
>
> On Thu, Sep 19, 2019 at 7:31 PM vm finance <vm.finance2 at gmail.com> wrote:
>
>> Hi Randall,
>>
>> I already have tcp_bbr.h and bbr.c at ~sys/netinet/tcp_stacks/
>>
>> However, there is no "bbr" under sys/modules/tcp/. I created this
>> directory manually.
>> Question:
>> Which Makefile do I need to copy/move under sys/modules/tcp/bbr?
>> I see there are Makefile and Makefile.org under ~modules/tcp...
>>
>> root at osboxes:/usr/src/sys/modules/tcp # ls -R
>> Makefile        Makefile.orig   bbr             rack            tcpmd5
>> ./bbr:
>>
>> ./rack:
>> Makefile
>>
>> ./tcpmd5:
>> Makefile
>>
>> Please let me know.
>>
>> Thanks for your help!
>>
>> On Thu, Sep 19, 2019 at 11:05 AM Randall Stewart <rrs at netflix.com> wrote:
>>
>>> Ahh.. Look in your directory.
>>>
>>> You did not create the sub’dirs or put rack.c or bbr.c into the right
>>> places
>>>
>>> When you load the patch (which was updated Sept 17th and should be
>>> different slightly)
>>> you will end up dropping a Makefile and bbr.c and tcp_bbr.h into the
>>> local dir since
>>> for what every reason patch cannot figure out how to place it.
>>>
>>> You must move
>>>
>>> bbr.c/tcp_bbr.h to -> sys/netinet/tcp_stacks
>>>
>>> You must create
>>>
>>> sys/modules/tcp/bbr
>>>
>>> and
>>>
>>> place the make file under there (just like rack’s).
>>>
>>> Do that and I think you will finally have it.. not sure why patch is not
>>> able to
>>> put the new files in the right places :0
>>>
>>> R
>>>
>>> > On Sep 19, 2019, at 10:42 AM, vm finance <vm.finance2 at gmail.com>
>>> wrote:
>>> >
>>> > Hello Randall,
>>> >
>>> > I just retried it with headvm config that you had shared but still see
>>> error while doing
>>> > "make cleandepend"
>>> >
>>> > Any pointers highly appreciated.
>>> >
>>> > Thanks
>>> >
>>> > root at osboxes:/usr/src/sys/amd65/compile/headvm # make cleandepend
>>> > [...snip...]
>>> >
>>> > ===> sysvipc/sysvshm (obj)
>>> >
>>> /usr/src/sys/amd64/compile/headvm/modules/usr/src/sys/modules/sysvipc/sysvshm
>>> created for /usr/src/sys/modules/sysvipc/sysvshm
>>> > ===> tcp (obj)
>>> > ===> tcp/bbr (obj)
>>> > cd: /usr/src/sys/modules/tcp/bbr: No such file or directory
>>> > *** Error code 2
>>> >
>>> > Stop.
>>> > make[2]: stopped in /usr/src/sys/modules/tcp
>>> > *** Error code 1
>>> >
>>> > Stop.
>>> > make[1]: stopped in /usr/src/sys/modules
>>> > *** Error code 1
>>> >
>>> > Stop.
>>> > make: stopped in /usr/src/sys/amd64/compile/headvm
>>> > root at osboxes:/usr/src/sys/amd64/compile/headvm #
>>> >
>>> >
>>> > On Wed, Sep 18, 2019 at 11:08 PM vm finance <vm.finance2 at gmail.com>
>>> wrote:
>>> > Hi Randall,
>>> >
>>> > I applied the patch available at:
>>> > https://reviews.freebsd.org/D21582?id=62213
>>> > 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
>>> > =>This fails due to missing "bbr" under /usr/src/sys/modules/tcp/
>>> > [pls find the attached log file for exact error]
>>> >
>>> > make depend
>>> > => This also fails due to missing "/usr/src/sys/modules/tcp/bbr"
>>> >
>>> > STEP 3:
>>> > cd /usr/src/
>>> > make buildkernel KERNCONF=MYKERNEL
>>> > 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=MYKERNEL, and that
>>> successfully finished.
>>> >
>>> >
>>> >
>>> > On Thu, Sep 19, 2019 at 12:19 PM Randall Stewart <rrs at 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=1
>>> > 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=myconf
>>> >
>>> > That should build and get you a kernel that will include bbr and rack.
>>> You 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 at gmail.com>
>>> wrote:
>>> > >
>>> > > Hi Randall, Michael,
>>> > >
>>> > > Build is done successfully. I would appreciate if you could share
>>> config changes needed for BBR.
>>> > >
>>> > > My svn revision is: 352483
>>> > >
>>> > > =======================================================
>>> > > awk -f /usr/src/sys/conf/kmod_syms.awk zlib.ko.full  export_syms |
>>> xargs -J% objcopy % zlib.ko.full
>>> > > objcopy --only-keep-debug zlib.ko.full zlib.ko.debug
>>> > > objcopy --strip-debug --add-gnu-debuglink=zlib.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
>>> > > =======================================================
>>> > >
>>> > > Thank you
>>> > > Vishal.
>>> > >
>>> > >
>>> > > On Wed, Sep 18, 2019 at 3:34 PM vm finance <vm.finance2 at 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 at 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’t 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 at 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 at 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 at 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….
>>> > > >
>>> > > > 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 at 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.
>>> > > > >   —  make buildworld
>>> > > > >   — make buildkernel KERNCONF=his-conf
>>> > > > >   — make installkernel KERNCONF=his-conf
>>> > > > >
>>> > > > >    ** do the reboot and merge master **
>>> > > > >
>>> > > > > Then after that he could
>>> > > > >
>>> > > > > 3) Apply the current patch in the review
>>> > > > > 4) do build that
>>> > > > >      — make buildkernel KERNCONF=his_conf  -DNO_CLEAN
>>> -DNO_CLEANDIR
>>> > > > >      — make install kernel KERNCONF=his_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’t 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 at lurchi.franken.de> wrote:
>>> > > > >>
>>> > > > >>> On 18. Sep 2019, at 08:19, vm finance <vm.finance2 at 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 at 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 at 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 at 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 at netflix.com> wrote:
>>> > > > >>>>
>>> > > > >>>> Looking at your make file log I can’t really tell what you
>>> are doing.
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> Its not the BBR or Rack code that is blowing up…
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> 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=headvm
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> And even
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> make buildkernel KERNCONF=GENERIC
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> 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 at 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 at 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’t recognize what you have below there though…
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> R
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> On Sep 17, 2019, at 11:47 AM, vm finance <
>>> vm.finance2 at 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 at 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
>>> > > > >>>>
>>> > > > >>>> ===> 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 at 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 at 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
>>> > > > >>>>
>>> > > > >>>> ===> 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 at 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 at 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 at 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 at 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 at gmail.com> wrote:
>>> > > > >>>>
>>> > > > >>>> rrs@ has just posted the BBR patch to phabricator:
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> https://reviews.freebsd.org/D21582
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> ------
>>> > > > >>>>
>>> > > > >>>> Randall Stewart
>>> > > > >>>>
>>> > > > >>>> rrs at netflix.com
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> ------
>>> > > > >>>>
>>> > > > >>>> Randall Stewart
>>> > > > >>>>
>>> > > > >>>> rrs at netflix.com
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> ------
>>> > > > >>>>
>>> > > > >>>> Randall Stewart
>>> > > > >>>>
>>> > > > >>>> rrs at netflix.com
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> ------
>>> > > > >>>>
>>> > > > >>>> Randall Stewart
>>> > > > >>>>
>>> > > > >>>> rrs at netflix.com
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> ------
>>> > > > >>>>
>>> > > > >>>> Randall Stewart
>>> > > > >>>>
>>> > > > >>>> rrs at netflix.com
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>> ------
>>> > > > >>>> Randall Stewart
>>> > > > >>>> rrs at netflix.com
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>>>
>>> > > > >>> _______________________________________________
>>> > > > >>> freebsd-net at freebsd.org mailing list
>>> > > > >>> https://lists.freebsd.org/mailman/listinfo/freebsd-net
>>> > > > >>> To unsubscribe, send any mail to "
>>> freebsd-net-unsubscribe at freebsd.org"
>>> > > > >
>>> > > > > ------
>>> > > > > Randall Stewart
>>> > > > > rrs at netflix.com
>>> > > > >
>>> > > > >
>>> > > > >
>>> > > >
>>> > > > ------
>>> > > > Randall Stewart
>>> > > > rrs at netflix.com
>>> > > >
>>> > > >
>>> > > >
>>> > >
>>> > > ------
>>> > > Randall Stewart
>>> > > rrs at netflix.com
>>> > >
>>> > >
>>> > >
>>> >
>>> > ------
>>> > Randall Stewart
>>> > rrs at netflix.com
>>> >
>>> >
>>> >
>>>
>>> ------
>>> Randall Stewart
>>> rrs at netflix.com
>>>
>>>
>>>
>>>


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