#include <sys/syscall.h>
#include <unistd.h>


/*
 * For trap statistics
 * Use "-1" to clear the counters
 */
#define	VHPT_idx		0		// VHPT miss counter
#define	VHPT_HASH_PTC_idx	1		// VHPT miss - hash purged
#define	VHPT_PTE_PTC_idx	2		// VHPT miss - PTE purged
#define	ITLB_idx		3		// ITLB miss counter
#define	ITLB_PTC_idx		4		// ITLB miss - purged
#define	DTLB_idx		5		// DTLB miss counter
#define	DTLB_PTC_idx		6		// DTLB miss - purged
#define	DIRTY_idx		7		// DIRTY trap counter
#define	DIRTY_PTC_idx		8		// DIRTY - purged
#define	IACC_idx		9		// I-ACCESS trap counter
#define	IACC_PTC_idx		10		// I-ACCESS - purged
#define	DACC_idx		11		// D-ACCESS trap counter
#define	DACC_PTC_idx		12		// D-ACCESS - purged


#define	MAX_TRAP_idx		13

#define	_ENTRY_SIZE_		8


#define	sys_trap_statistics	1297


char *names[] = {
	"VHPT miss counter",
	"VHPT miss - hash purged",
	"VHPT miss - PTE purged",
	"ITLB miss counter",
	"ITLB miss - purged",
	"DTLB miss counter",
	"DTLB miss - purged",
	"DIRTY trap counter",
	"DIRTY - purged",
	"I-ACCESS trap counter",
	"I-ACCESS - purged",
	"D-ACCESS trap counter",
	"D-ACCESS - purged",
};


main(int cnt, char *args[])
{
	int index;
	long count;

	if (cnt == 2 && strcmp(args[1], "-clear") == 0){
		if (syscall(sys_trap_statistics, -1) == -1){
			perror("sys_trap_statistics");
			exit(1);
		}
		exit(0);
	}
	for (index = 0; index < MAX_TRAP_idx; index++){
		count = syscall(sys_trap_statistics, index);
		if (count == -1){
			perror("sys_trap_statistics");
			exit(1);
		}
		printf("%30s: %7ld\n", names[index], count);
	}
	exit(0);
}