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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/testing | |
| parent | bpf: add helper bpf_perf_event_read_value for perf event array map (diff) | |
| download | linux-dev-020a32d9581ac824d038b0b4e24e977e3cc8589f.tar.xz linux-dev-020a32d9581ac824d038b0b4e24e977e3cc8589f.zip | |
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/testing')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index a56053db26f5..c15ca83dbbd9 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -72,6 +72,9 @@ static int (*bpf_sk_redirect_map)(void *map, int key, int flags) = static int (*bpf_sock_map_update)(void *map, void *key, void *value, unsigned long long flags) = (void *) BPF_FUNC_sock_map_update; +static int (*bpf_perf_event_read_value)(void *map, unsigned long long flags, + void *buf, unsigned int buf_size) = + (void *) BPF_FUNC_perf_event_read_value; /* llvm builtin functions that eBPF C program may use to |