Commit-ID: b45d5511aa9029264740e2353ad7faf3cd444703 Gitweb: https://git.kernel.org/tip/b45d5511aa9029264740e2353ad7faf3cd444703 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Thu, 24 Jan 2019 15:01:46 +0100 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Fri, 25 Jan 2019 15:12:10 +0100
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 <[email protected]> Cc: Daniel Borkmann <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Luis Cláudio Gonçalves <[email protected]> Cc: Martin KaFai Lau <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Cc: Yonghong Song <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/include/bpf/bpf.h | 8 ++++++++ 1 file changed, 8 insertions(+) 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
