/*
 *  The statistics buffer
 */
#ifdef MEASURE

#define MAXCYLS 800	/* max number of cylinders (800 - 7925, 400 -7906 */
#define MAXPAGES 512+1	/* max number of pages per process */

#define ABS(a) ((a) < 0 ? -(a) : (a))

/* define for total number of system calls -- see sysent.c */

#define SYSCALLS 64


struct statistics {

	struct proc_data {
		 long swtchs;
		 long mapswtch;
		 long mapsched;
		 long newprocs;
		 long idle;
		 long same;
		 long new[MAXPAGES];
		 long run[MAXPAGES];
	} proc_stats;

	struct disk_data {
		 long d_read;
		 long d_write;
		 long d_move;
		 long d_curcyl;
		 long d_lstcyl;
		 long d_distance;
		 long d_error;
		 long d_err;
		 long d_freq[MAXCYLS];
		 long d_dist[MAXCYLS];
	} dsk_stats;

	struct swap_data {
		 long swp_ocnt;
		 long swp_osize;
		 long swp_icnt;
		 long swp_isize;
		 long swp_lso;
		 long swp_wait;
		 long swp_slp;
	} swp_stats;

	struct call_data {
		 long call_cnts;
		 long call_type[SYSCALLS];
	} sys_calls;

};

#endif