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| H A D | perf_buffer.c | diff d4121376ac7a9c81a696d7558789b2f29ef3574e Thu Oct 21 06:41:30 CDT 2021 Jiri Olsa <jolsa@redhat.com> selftests/bpf: Fix perf_buffer test on system with offline cpus
The perf_buffer fails on system with offline cpus:
# test_progs -t perf_buffer
test_perf_buffer:PASS:nr_cpus 0 nsec
test_perf_buffer:PASS:nr_on_cpus 0 nsec
test_perf_buffer:PASS:skel_load 0 nsec
test_perf_buffer:PASS:attach_kprobe 0 nsec
test_perf_buffer:PASS:perf_buf__new 0 nsec
test_perf_buffer:PASS:epoll_fd 0 nsec
skipping offline CPU #24
skipping offline CPU #25
skipping offline CPU #26
skipping offline CPU #27
skipping offline CPU #28
skipping offline CPU #29
skipping offline CPU #30
skipping offline CPU #31
test_perf_buffer:PASS:perf_buffer__poll 0 nsec
test_perf_buffer:PASS:seen_cpu_cnt 0 nsec
test_perf_buffer:FAIL:buf_cnt got 24, expected 32
Summary: 0/0 PASSED, 0 SKIPPED, 1 FAILED
Changing the test to check online cpus instead of possible.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20211021114132.8196-2-jolsa@kernel.org
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