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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
94 BPF_MAP_GET_FD_BY_ID,94 BPF_MAP_GET_FD_BY_ID,
95 BPF_OBJ_GET_INFO_BY_FD,95 BPF_OBJ_GET_INFO_BY_FD,
96 BPF_PROG_QUERY,96 BPF_PROG_QUERY,
97 BPF_RAW_TRACEPOINT_OPEN,
97};98};
98 99
99enum bpf_map_type {100enum bpf_map_type {
@@ -134,6 +135,7 @@ enum bpf_prog_type { · 34 unmodified lines
134 BPF_PROG_TYPE_SK_SKB,135 BPF_PROG_TYPE_SK_SKB,
135 BPF_PROG_TYPE_CGROUP_DEVICE,136 BPF_PROG_TYPE_CGROUP_DEVICE,
136 BPF_PROG_TYPE_SK_MSG,137 BPF_PROG_TYPE_SK_MSG,
138 BPF_PROG_TYPE_RAW_TRACEPOINT,
137};139};
138 140
139enum bpf_attach_type {141enum bpf_attach_type {
@@ -344,6 +346,11 @@ union bpf_attr { · 204 unmodified lines
344 __aligned_u64 prog_ids;346 __aligned_u64 prog_ids;
345 __u32 prog_cnt;347 __u32 prog_cnt;
346 } query;348 } query;
349
350 struct {
351 __u64 name;
352 __u32 prog_fd;
353 } raw_tracepoint;
347} __attribute__((aligned(8)));354} __attribute__((aligned(8)));
348 355
349/* BPF helper function descriptions:356/* BPF helper function descriptions:
@@ -1151,4 +1158,8 @@ struct bpf_cgroup_dev_ctx { · 801 unmodified lines
1151 __u32 minor;1158 __u32 minor;
1152};1159};
1153 1160
1161struct bpf_raw_tracepoint_args {
1162 __u64 args[0];
1163};
1164
1154#endif /* _UAPI__LINUX_BPF_H__ */1165#endif /* _UAPI__LINUX_BPF_H__ */

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