#!/usr/sbin/dtrace -Cqs

long milliintr;

BEGIN
{
    	printf("Measure usr/sys/intr/idle on a system in per thousand of a CPU\n\n");
    	usr  = 0; sys = 0; intr = 0; idle = 0; ticks = 0;
    	t0   = timestamp;	 
    	t00  = t0;
    	cpux = cpu;
}

profile-1ms 
{
    	usr   += (arg1 != 0) ? 1 : 0;
    	sys   += (arg0 != 0) ? 1 : 0; /* usr + intr +idle */
    	idle  += (curthread == curthread->t_cpu->cpu_idle_thread) ? 1 : 0;
    	intr  += ((curthread->t_cpu->cpu_intr_actv - 16384) > 0) ? 1 : 0;
    	ticks += (cpu == cpux) ? 1 : 0;
}

tick-1s
{
    	musr  = (1000 * usr) / ticks;
    	msys  = (1000 * (sys - intr - idle)) / ticks;
    	midle = (1000 * idle) / ticks;
    	mintr = (1000 * intr) / ticks;
    	mtot  = musr + msys + mintr + midle;
	busy  = musr + msys + mintr;
	
	printf("%-8s %-8s %-8s %-8s %-8s %-8s\n","BUSY","USR","SYS","INTR","IDLE","TOTAL");
	printf("===================================================\n");
	printf("%-8d %-8d %-8d %-8d %-8d %-8d\n\n\n",
		busy,musr,msys,mintr,midle,mtot);

    	idle = 0; usr = 0; intr = 0; sys = 0; ticks = 0;
    	t0   = timestamp; 
}