name: function
ID: 1
format:
	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
	field:int common_pid;	offset:4;	size:4;	signed:1;

	field:unsigned long ip;	offset:8;	size:8;	signed:0;
	field:unsigned long parent_ip;	offset:16;	size:8;	signed:0;

print fmt: " %ps <-- %ps", (void *)REC->ip, (void *)REC->parent_ip