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

[Yonghong Song]

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>