for (i = 0; i < NR_CPUS; i++) if (cpu_possible(i)) sum += kstat_cpu(i).irqs[irq]; 
for_each_cpu(cpu) sum += kstat_cpu(cpu).irqs[irq]; 
static inline int kstat_irqs(int irq){	int i, sum=0;	for (i = 0; i < NR_CPUS; i++)		if (cpu_possible(i))			sum += kstat_cpu(i).irqs[irq];	return sum;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/28ef35845f2c8da8e1bed068277d2fab1e8c8979/kernel_stat.h/clean/include/linux/kernel_stat.h