Re: [PATCHv2 bpf] selftests/bpf: Fix kprobe_multi_test/attach_override test

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On Wed, Sep 13, 2023 at 11:43:47AM -0700, Andrii Nakryiko wrote:
> On Wed, Sep 13, 2023 at 4:47 AM Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
> >
> > We need to deny the attach_override test for arm64, denying the
> > whole kprobe_multi_test suite. Also making attach_override static.
> >
> > Fixes: 7182e56411b9 ("selftests/bpf: Add kprobe_multi override test")
> > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> > ---
> >  tools/testing/selftests/bpf/DENYLIST.aarch64             | 9 +--------
> >  .../testing/selftests/bpf/prog_tests/kprobe_multi_test.c | 2 +-
> >  2 files changed, 2 insertions(+), 9 deletions(-)
> >
> > v2 changes:
> >   - rebased on latest bpf/master, used just kprobe_multi_test suite name
> >     in DENYLIST.aarch64 to cover all kprobe_multi tests
> >
> > diff --git a/tools/testing/selftests/bpf/DENYLIST.aarch64 b/tools/testing/selftests/bpf/DENYLIST.aarch64
> > index 7f768d335698..b733ce16c0f8 100644
> > --- a/tools/testing/selftests/bpf/DENYLIST.aarch64
> > +++ b/tools/testing/selftests/bpf/DENYLIST.aarch64
> > @@ -1,14 +1,7 @@
> >  bpf_cookie/multi_kprobe_attach_api               # kprobe_multi_link_api_subtest:FAIL:fentry_raw_skel_load unexpected error: -3
> >  bpf_cookie/multi_kprobe_link_api                 # kprobe_multi_link_api_subtest:FAIL:fentry_raw_skel_load unexpected error: -3
> >  fexit_sleep                                      # The test never returns. The remaining tests cannot start.
> > -kprobe_multi_bench_attach                        # bpf_program__attach_kprobe_multi_opts unexpected error: -95
> 
> did you drop kprobe_multi_bench_attach from DENYLIST intentionally?
> I'll leave it in DENYLIST.aarch64 for now when applying

ugh, no it should stay.. thanks a lot

jirka

> 
> > -kprobe_multi_test/attach_api_addrs               # bpf_program__attach_kprobe_multi_opts unexpected error: -95
> > -kprobe_multi_test/attach_api_pattern             # bpf_program__attach_kprobe_multi_opts unexpected error: -95
> > -kprobe_multi_test/attach_api_syms                # bpf_program__attach_kprobe_multi_opts unexpected error: -95
> > -kprobe_multi_test/bench_attach                   # bpf_program__attach_kprobe_multi_opts unexpected error: -95
> > -kprobe_multi_test/link_api_addrs                 # link_fd unexpected link_fd: actual -95 < expected 0
> > -kprobe_multi_test/link_api_syms                  # link_fd unexpected link_fd: actual -95 < expected 0
> > -kprobe_multi_test/skel_api                       # libbpf: failed to load BPF skeleton 'kprobe_multi': -3
> > +kprobe_multi_test                                # needs CONFIG_FPROBE
> >  module_attach                                    # prog 'kprobe_multi': failed to auto-attach: -95
> >  fentry_test/fentry_many_args                     # fentry_many_args:FAIL:fentry_many_args_attach unexpected error: -524
> >  fexit_test/fexit_many_args                       # fexit_many_args:FAIL:fexit_many_args_attach unexpected error: -524
> > diff --git a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
> > index e05477b210a5..4041cfa670eb 100644
> > --- a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
> > +++ b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
> > @@ -454,7 +454,7 @@ static void test_kprobe_multi_bench_attach(bool kernel)
> >         }
> >  }
> >
> > -void test_attach_override(void)
> > +static void test_attach_override(void)
> >  {
> >         struct kprobe_multi_override *skel = NULL;
> >         struct bpf_link *link = NULL;
> > --
> > 2.41.0
> >




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