#
# Assume we have 10 second sampling interval
#
BEGIN { interval=10;
        sample=0 }
#
# Parse /proc/interrupts for 2 cores only. Will break for anything else
#
/CPU/ { start++; 	
	if (start == 2) {
		printf "%4.4s %10s %10s %s\n","IRQ","CPU0 IRQ/s","CPU1 IRQ/s","Description"
		start=0
	}
	next }
/MIS/ { end++}
{
	irq=$1
	count[irq]++;
	irqscpu0[irq,count[irq]]=$2 
	irqscpu1[irq,count[irq]]=$3 
	rest=$4 " " $5 " " $6 " " $7 " " $8 " " $9 " " $10 " " $11
	if (count[irq]==2)
	{
		delta0=irqscpu0[irq,2] - irqscpu0[irq,1]
		delta1=irqscpu1[irq,2] - irqscpu1[irq,1]
		printf "%4.4s %10.1f %10.1f %s\n", irq,delta0/interval,delta1/interval,rest
		count[irq]=0
		irqscpu0[irq,1]=0
		irqscpu0[irq,2]=0
	}
}
{	if (end==2) {
		print "---------- End of sample ",++sample,"-----------------------------------------\n"
		end=0 
	}
}