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-rw-r--r--tools/perf/include/bpf/bpf.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h
index 52b6d87fe822..04ecd425a237 100644
--- a/tools/perf/include/bpf/bpf.h
+++ b/tools/perf/include/bpf/bpf.h
@@ -18,6 +18,17 @@ struct bpf_map {
unsigned int numa_node;
};
+#define pid_map(name, value_type) \
+struct bpf_map SEC("maps") name = { \
+ .type = BPF_MAP_TYPE_HASH, \
+ .key_size = sizeof(pid_t), \
+ .value_size = sizeof(value_type), \
+ .max_entries = 512, \
+}
+
+static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem;
+static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem;
+
#define SEC(NAME) __attribute__((section(NAME), used))
#define probe(function, vars) \