text: name: kmem_cache_free
  ID: 184
  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 call_site;	offset:8;	size:8;	signed:0;
  	field:const void * ptr;	offset:16;	size:8;	signed:0;
  
  print fmt: "call_site=%lx ptr=%p", REC->call_site, REC->ptr
  