selftests/bpf: Fix perf_buffer test on systems w/ offline CPUs

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commit 91cbdf740a upstream.

Fix up perf_buffer.c selftest to take into account offline/missing CPUs.

Fixes: ee5cf82ce0 ("selftests/bpf: test perf buffer API")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191212013621.1691858-1-andriin@fb.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Andrii Nakryiko 2019-12-11 17:36:20 -08:00 • committed by Greg Kroah-Hartman

parent 919f4ac40a

commit ba9b9a4c99

1 changed files with 24 additions and 5 deletions

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tools/testing/selftests/bpf/prog_tests/perf_buffer.c

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