prog2 35 samples/bpf/test_overhead_kprobe_kern.c int prog2(struct pt_regs *ctx) prog2 13 samples/bpf/test_overhead_raw_tp_kern.c int prog2(struct bpf_raw_tracepoint_args *ctx) prog2 32 samples/bpf/test_overhead_tp_kern.c int prog2(struct urandom_read *ctx)