Re: [PATCH bpf-next v7 5/8] selftests/bpf: Test cgroup_iter.

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On Mon, Aug 8, 2022 at 5:20 PM Andrii Nakryiko
<andrii.nakryiko@xxxxxxxxx> wrote:
>
> On Fri, Aug 5, 2022 at 2:49 PM Hao Luo <haoluo@xxxxxxxxxx> wrote:
> >
> > Add a selftest for cgroup_iter. The selftest creates a mini cgroup tree
> > of the following structure:
> >
> >     ROOT (working cgroup)
> >      |
> >    PARENT
> >   /      \
> > CHILD1  CHILD2
> >
> > and tests the following scenarios:
> >
> >  - invalid cgroup fd.
> >  - pre-order walk over descendants from PARENT.
> >  - post-order walk over descendants from PARENT.
> >  - walk of ancestors from PARENT.
> >  - walk from PARENT in the default order, which is pre-order.
> >  - process only a single object (i.e. PARENT).
> >  - early termination.
> >
> > Acked-by: Yonghong Song <yhs@xxxxxx>
> > Signed-off-by: Hao Luo <haoluo@xxxxxxxxxx>
> > ---
>
> LGTM.
>
> Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
>

Thanks!

> >  .../selftests/bpf/prog_tests/cgroup_iter.c    | 237 ++++++++++++++++++
> >  tools/testing/selftests/bpf/progs/bpf_iter.h  |   7 +
> >  .../testing/selftests/bpf/progs/cgroup_iter.c |  39 +++
> >  3 files changed, 283 insertions(+)
> >  create mode 100644 tools/testing/selftests/bpf/prog_tests/cgroup_iter.c
> >  create mode 100644 tools/testing/selftests/bpf/progs/cgroup_iter.c
> >
>
> [...]



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