diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-24 15:01:46 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-25 15:12:10 +0100 |
| commit | b45d5511aa9029264740e2353ad7faf3cd444703 (patch) | |
| tree | 66c5e8072207ff610159e1e3bfd131477c67e584 | |
| parent | 35ea7e4bbb89ecd32057f5f6a2a8feb0d7224e51 (diff) | |
perf bpf: Add bpf_map() helper
To make the declaration of maps more compact, the following patches will
make use of it.
Standardizing on it will allow to add the BTF details, i.e.
BPF_ANNOTATE_KV_PAIR() (tools/testing/selftests/bpf/bpf_helpers.h)
transparently.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Yonghong Song <yhs@fb.com>
Link: https://lkml.kernel.org/n/tip-h3q9rxxkbzetgnbro5rclqft@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/include/bpf/bpf.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index e667577207dc..0482028c1d11 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -18,6 +18,14 @@ struct bpf_map { unsigned int numa_node; }; +#define bpf_map(name, _type, type_key, type_val, _max_entries) \ +struct bpf_map SEC("maps") name = { \ + .type = BPF_MAP_TYPE_##_type, \ + .key_size = sizeof(type_key), \ + .value_size = sizeof(type_val), \ + .max_entries = _max_entries, \ +} + /* * FIXME: this should receive .max_entries as a parameter, as careful * tuning of these limits is needed to avoid hitting limits that |