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bpf: support BPF cookie in raw tracepoint (raw_tp, tp_btf) programs

Wire up BPF cookie for raw tracepoint programs (both BTF and non-BTF aware variants). This brings them up to part w.r.t. BPF cookie usage with classic tracepoint and fentry/fexit programs.

Andrii Nakryiko committed 2 years ago

Commit 68ca5d41 parent d4dfc575 files · +28 −6Browse files

Showing the changes to include/uapi (1 of 5 files). Show all

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include/uapi/linux/bpf.h+4−2
@@ -1662,8 +1662,10 @@ union bpf_attr { · 1661 unmodified lines
16621662 } query;
16631663
16641664 struct { /* anonymous struct used by BPF_RAW_TRACEPOINT_OPEN command */
1665− __u64 name;
1666− __u32 prog_fd;
1665+ __u64 name;
1666+ __u32 prog_fd;
1667+ __u32 :32;
1668+ __aligned_u64 cookie;
16671669 } raw_tracepoint;
16681670
16691671 struct { /* anonymous struct for BPF_BTF_LOAD */