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| author | Yonghong Song <yhs@fb.com> | 2017-10-05 09:19:21 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-07 23:05:57 +0100 |
| commit | 020a32d9581ac824d038b0b4e24e977e3cc8589f (patch) | |
| tree | f0256aea3e0a98cbba98b91248983b6d90793357 /tools/include | |
| parent | 908432ca84fc229e906ba164219e9ad0fe56f755 (diff) | |
| download | op-kernel-dev-020a32d9581ac824d038b0b4e24e977e3cc8589f.zip op-kernel-dev-020a32d9581ac824d038b0b4e24e977e3cc8589f.tar.gz | |
bpf: add a test case for helper bpf_perf_event_read_value
The bpf sample program tracex6 is enhanced to use the new
helper to read enabled/running time as well.
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>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index cb2b9f9..cdf6c4f 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -697,7 +697,8 @@ union bpf_attr { FN(redirect_map), \ FN(sk_redirect_map), \ FN(sock_map_update), \ - FN(xdp_adjust_meta), + FN(xdp_adjust_meta), \ + FN(perf_event_read_value), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call |
