Re: [PATCH bpf-next v2] selftests/bpf: fix some bugs in map_lookup_percpu_elem testcase

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On Wed, May 18, 2022 at 8:44 AM Yonghong Song <yhs@xxxxxx> wrote:
>
>
>
> On 5/17/22 7:50 PM, Feng zhou wrote:
> > From: Feng Zhou <zhoufeng.zf@xxxxxxxxxxxxx>
> >
> > comments from Andrii Nakryiko, details in here:
> > https://lore.kernel.org/lkml/20220511093854.411-1-zhoufeng.zf@xxxxxxxxxxxxx/T/
> >
> > use /* */ instead of //
> > use libbpf_num_possible_cpus() instead of sysconf(_SC_NPROCESSORS_ONLN)
> > use 8 bytes for value size
> > fix memory leak
> > use ASSERT_EQ instead of ASSERT_OK
> > add bpf_loop to fetch values on each possible CPU
> >
> > Fixes: ed7c13776e20c74486b0939a3c1de984c5efb6aa ("selftests/bpf: add test case for bpf_map_lookup_percpu_elem")
> > Signed-off-by: Feng Zhou <zhoufeng.zf@xxxxxxxxxxxxx>
>
> Acked-by: Yonghong Song <yhs@xxxxxx>


I've fixed remaining formatting issues and added my_pid check to avoid
accidental interference with other tests/processes. Applied to
bpf-next, thanks.



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