trace_call_bpf
unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx);
if (!trace_call_bpf(call, raw_data) || hlist_empty(head)) {
ret = trace_call_bpf(call, regs);
if (bpf_prog_array_valid(call) && !trace_call_bpf(call, regs))
return trace_call_bpf(call, ¶m);
return trace_call_bpf(call, ¶m);