bpf: Store cookies in kprobe_multi bpf_link_info data

Storing cookies in kprobe_multi bpf_link_info data. The cookies field is optional and if provided it needs to be an array of __u64 with kprobe_multi.count length.

Jiri Olsa committed 2 years ago

Commit 9fd112b1 parent d5c16493 files · +17 −0Browse files

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

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tools/include/uapi/linux/bpf.h+1−0

@@ -6563,6 +6563,7 @@ struct bpf_link_info { · 6562 unmodified lines
6563	__u32 count; /* in/out: kprobe_multi function count */	6563	__u32 count; /* in/out: kprobe_multi function count */
6564	__u32 flags;	6564	__u32 flags;
6565	__u64 missed;	6565	__u64 missed;
		6566	__aligned_u64 cookies;
6566	} kprobe_multi;	6567	} kprobe_multi;
6567	struct {	6568	struct {
6568	__aligned_u64 path;	6569	__aligned_u64 path;