llvm dev - Oct 2021 - Upcoming change with how libc++, libc++abi and libunwind are being built

On Tue, Oct 19, 2021 at 12:45 AM Michael Kruse <llvmdev at meinersbur.de>
wrote:
> Am Mo., 18. Okt. 2021 um 15:19 Uhr schrieb Louis Dionne <
> ldionne.2 at gmail.com>:
> > Nowadays, we handle all libc++'s own build bots through BuildKite
at
> https://buildkite.com/llvm-project/libcxx-ci.
>
> I didn't know. Good that there is systematic testing, but I am a bit
> concerned about the fracturing of the CI infrastructure (Buildbot,
> Green dragon, GitHub actions, Buildkite, ...)
>
For libc++/libc++abi/libunwind, it's actually quite simple. There's
exactly
one place to look, and it's BuildKite. And it runs systematically on all
changes.

- Buildbot: I removed all the libc++/libc++abi/libunwind buildbots over the
past year.
- Green Dragon: Ditto, I removed everything and we have Mac builders in
BuildKite.
- GitHubActions: Nobody's using that yet AFAICT.

I will actually have a talk at the upcoming Dev Meeting where I will
advocate for all projects moving to the same model, since we've had so many
incredible benefits from doing it in libc++ & friends.

Cheers,
Louis

>
> Michael
>
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On Tue, Oct 19, 2021 at 9:37 AM Louis Dionne via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
>
>
> On Tue, Oct 19, 2021 at 12:45 AM Michael Kruse <llvmdev at
meinersbur.de>
> wrote:
>
>> Am Mo., 18. Okt. 2021 um 15:19 Uhr schrieb Louis Dionne <
>> ldionne.2 at gmail.com>:
>> > Nowadays, we handle all libc++'s own build bots through
BuildKite at
>> https://buildkite.com/llvm-project/libcxx-ci.
>>
>> I didn't know. Good that there is systematic testing, but I am a
bit
>> concerned about the fracturing of the CI infrastructure (Buildbot,
>> Green dragon, GitHub actions, Buildkite, ...)
>>
>
> For libc++/libc++abi/libunwind, it's actually quite simple. There's
> exactly one place to look, and it's BuildKite. And it runs
systematically
> on all changes.
>
Did you find a solution for having blamelist and blame emails on BuildKite?

Improving the Buildkite UI to have a good log scrubbing to the level of
what we have with buildbot is doable, but I didn't really see how to fix
the above.

(I'm doing the opposite move right now: leaving BuildKite for MLIR CI to
adopt buildbot).


>
> - Buildbot: I removed all the libc++/libc++abi/libunwind buildbots over
> the past year.
> - Green Dragon: Ditto, I removed everything and we have Mac builders in
> BuildKite.
> - GitHubActions: Nobody's using that yet AFAICT.
>
> I will actually have a talk at the upcoming Dev Meeting where I will
> advocate for all projects moving to the same model, since we've had so
many
> incredible benefits from doing it in libc++ & friends.
>
> Cheers,
> Louis
>
>
>>
>> Michael
>>
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
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Am Di., 19. Okt. 2021 um 11:37 Uhr schrieb Louis Dionne <ldionne.2 at
gmail.com>:
> - GitHubActions: Nobody's using that yet AFAICT.
https://github.com/llvm/llvm-project/actions

Seems to be used for the release branch. Similarly, I didn't know that
we were using BuildKite for anything else than pre-merge checks before
you mentioned it.

Michael