> +TRACE_EVENT(xen_mc_entry,> + TP_PROTO(struct multicall_entry *mc, unsigned nargs),> + TP_ARGS(mc, nargs),> + TP_STRUCT__entry(> + __field(unsigned short, op)> + __field(unsigned short, nargs)> + __array(unsigned long, args, 6)Not 'unsigned long' for op?