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From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
Cc: bpf <bpf@vger.kernel.org>, dwarves@vger.kernel.org, siudin@fb.com
Subject: Re: latest pahole breaks libbpf CI and let's talk about staging
Date: Wed, 16 Jun 2021 21:26:26 -0700	[thread overview]
Message-ID: <CAEf4BzZR-q6Bjm1QWZ77EPH7YzoC-BSM8tCc2VFQo6CRg3ZZrA@mail.gmail.com> (raw)
In-Reply-To: <YMqURLBNxKgNpjTN@kernel.org>

On Wed, Jun 16, 2021 at 5:16 PM Arnaldo Carvalho de Melo
<arnaldo.melo@gmail.com> wrote:
>
> Em Wed, Jun 16, 2021 at 03:38:38PM -0700, Andrii Nakryiko escreveu:
> > On Wed, Jun 16, 2021 at 11:25 AM Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> wrote:
> > > Em Wed, Jun 16, 2021 at 10:40:45AM -0700, Andrii Nakryiko escreveu:
> > > > On Wed, Jun 16, 2021 at 7:56 AM Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> wrote:
> > > > > Em Tue, Jun 15, 2021 at 04:30:03PM -0700, Andrii Nakryiko escreveu:
> > > > > > Hey Arnaldo,
>
> > > > > > Seems like de3a7f912559 ("btf_encoder: Reduce the size of encode_cu()
> > > > > > by moving function encoding to separate method") break two selftests
> > > > > > in libbpf CI (see [0]). Please take a look. I suspect some bad BTF,
> > > > > > because both tests rely on kernel BTF info.
>
> > > > > > You've previously asked about staging pahole changes. Did you make up
> > > > > > your mind about branch names and the process overall? Seems like a
> > > > > > good chance to bring this up ;-P
>
> > > > > >   [0] https://travis-ci.com/github/libbpf/libbpf/jobs/514329152
>
> > > > > Ok, please add tmp.master as the staging branch, I'll move things to
> > > > > master only after it passing thru CI.
> > > >
> > > > So I'm thinking about what's the best setup to catch pahole staging
> > > > problems, but not break main libbpf CI and kernel-patches CI flows.
>
> > > > How about we keep all the existing CI jobs to use pahole's master.
>
> > > Agreed.
>
> > > > Then add a separate job to do full kernel build with pahole built from
> > > > staging branch. And mark it as non-critical (or whatever the
> > > > terminology), so it doesn't mark the build red. I'd do that as a cron
> > > > job that runs every day. That way if you don't have anything urgent,
> > > > next day you'll get staging tested automatically. If you need to test
> > > > right now, there is a way to re-trigger previous build and it will
> > > > re-fetch latest staging (so there is a way for you to proactively
> > > > test).
>
> > > > Basically, I want broken staging pahole to not interrupt anything we
> > > > are doing. WDYT?
>
> > > Sounds like a plan, please hand hold me on this, I'm not versed on
> > > github.
>
> > I'll set up everything from my side, and then we'll just setup proper
> > access rights for you to be able to trigger builds. We are migrating
> > everything from Travis CI to Github Actions, and I'm not yet too
> > familiar with Github Actions, so I might need a few iterations.
>
> Ok dokey

Please see https://github.com/libbpf/libbpf/pull/325, Sergey is
setting up staging pahole testing.

>
> > BTW, while you are investigating pahole regression, can you please
> > revert the offending commit and push it to master to make out CIs
> > green again?
>
> Sure, just did it. Lets see if makes things green again.

It did, thanks!

>
> - Arnaldo

      reply	other threads:[~2021-06-17  4:26 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-15 23:30 latest pahole breaks libbpf CI and let's talk about staging Andrii Nakryiko
2021-06-16 14:56 ` Arnaldo Carvalho de Melo
2021-06-16 16:40   ` Arnaldo Carvalho de Melo
2021-06-16 20:41     ` Arnaldo Carvalho de Melo
2021-06-16 22:36       ` Andrii Nakryiko
2021-06-17 14:48         ` Arnaldo Carvalho de Melo
2021-06-17 19:53           ` Arnaldo Carvalho de Melo
2021-06-17 20:03             ` Andrii Nakryiko
2021-06-17 20:41               ` Arnaldo Carvalho de Melo
2021-06-17 21:56                 ` Andrii Nakryiko
2021-06-17 20:00           ` Andrii Nakryiko
2021-06-17 20:39             ` Arnaldo Carvalho de Melo
2021-06-17 21:52               ` Andrii Nakryiko
2021-06-18 17:21                 ` Arnaldo Carvalho de Melo
2021-06-16 17:40   ` Andrii Nakryiko
2021-06-16 18:25     ` Arnaldo Carvalho de Melo
2021-06-16 22:38       ` Andrii Nakryiko
2021-06-17  0:16         ` Arnaldo Carvalho de Melo
2021-06-17  4:26           ` Andrii Nakryiko [this message]

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