Re: selftests/sched_ext: testing on BPF CI

Tejun Heo
2025-01-29T16:19:28Z

On Wed, Jan 29, 2025 at 08:27:02AM +0100, Andrea Righi wrote:
> Hi Ihor,
>
> On Wed, Jan 29, 2025 at 12:21:43AM +0000, Ihor Solodrai wrote:
> > Hi Tejun, Andrea.
> >
> > I tested a couple of variants of bpf-next + sched_ext source tree,
> > just sharing the results.
>
> Thanks for testing!
>
> >
> > I found a working state: BPF CI pipeline ran successfully twice
> > (that's 8 build + run of selftests/sched_ext/runner in total).
>
> Ok.
>
> >
> > Working state requires most patches between sched_ext/master and
> > sched_ext/for-6.14-fixes [1], and also the patch
> > "tools/sched_ext: Receive updates from SCX repo" [2]
> >
> > On plain bpf-next the dsp_local_on test fails [3].
> > Without the patch [2] there is a build error [4]: missing
> > SCX_ENUM_INIT definition.
>
> We definitely need all the patches in sched_ext/for-6.14-fixes. I think
> once Tejun sends the PR and we land the for-6.14-fixes upstream we should
> reach a stable state with the sched_ext selftests. I don't have any other
> additional pending fix at the moment.
>
> >
> > We probably don't want to enable selftests/sched_ext on BPF CI with
> > that many "temporary" patches. I suggest to wait until all of this is
> > merged upstream.
>
> Sounds reasonable to me. Tejun?

Sure.

Thanks.

--
tejun