bpf: add a test case for helper bpf_perf_prog_read_value

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The bpf sample program trace_event is enhanced to use the new
helper to print out enabled/running time.

Signed-off-by: Yonghong Song <yhs@fb.com>
Acked-by: Alexei Starovoitov <ast@fb.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Yonghong Song 2017-10-05 09:19:23 -07:00 • committed by David S. Miller

parent 4bebdc7a85

commit 81b9cf8028

4 changed files with 23 additions and 6 deletions

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3

tools/include/uapi/linux/bpf.h

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3

tools/testing/selftests/bpf/bpf_helpers.h

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