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libbpf: add bpf_raw_tracepoint_open helper

add bpf_raw_tracepoint_open(const char *name, int prog_fd) api to libbpf

Alexei Starovoitov committed 8 years ago

Commit a0fe3e51 parent c4f66993 files · +23 −0Browse files

Showing the changes to tools/include/uapi (1 of 3 files). Show all

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tools/include/uapi/linux/bpf.h+11−0
@@ -94,6 +94,7 @@ enum bpf_cmd { · 93 unmodified lines
9494 BPF_MAP_GET_FD_BY_ID,
9595 BPF_OBJ_GET_INFO_BY_FD,
9696 BPF_PROG_QUERY,
97+ BPF_RAW_TRACEPOINT_OPEN,
9798 };
9899
99100 enum bpf_map_type {
@@ -134,6 +135,7 @@ enum bpf_prog_type { · 34 unmodified lines
134135 BPF_PROG_TYPE_SK_SKB,
135136 BPF_PROG_TYPE_CGROUP_DEVICE,
136137 BPF_PROG_TYPE_SK_MSG,
138+ BPF_PROG_TYPE_RAW_TRACEPOINT,
137139 };
138140
139141 enum bpf_attach_type {
@@ -344,6 +346,11 @@ union bpf_attr { · 204 unmodified lines
344346 __aligned_u64 prog_ids;
345347 __u32 prog_cnt;
346348 } query;
349+
350+ struct {
351+ __u64 name;
352+ __u32 prog_fd;
353+ } raw_tracepoint;
347354 } __attribute__((aligned(8)));
348355
349356 /* BPF helper function descriptions:
@@ -1151,4 +1158,8 @@ struct bpf_cgroup_dev_ctx { · 801 unmodified lines
11511158 __u32 minor;
11521159 };
11531160
1161+struct bpf_raw_tracepoint_args {
1162+ __u64 args[0];
1163+};
1164+
11541165 #endif /* _UAPI__LINUX_BPF_H__ */

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