int arch_show_interrupts()

in kernel/irq.c [153:194]

• 41 lines of code
• 2 McCabe index (conditional complexity)

int arch_show_interrupts(struct seq_file *p, int prec)
{
	int j;

#ifdef CONFIG_DEBUG_STACKOVERFLOW
	seq_printf(p, "%*s: ", prec, "STK");
	for_each_online_cpu(j)
		seq_printf(p, "%10u ", irq_stats(j)->kernel_stack_usage);
	seq_puts(p, "  Kernel stack usage\n");
# ifdef CONFIG_IRQSTACKS
	seq_printf(p, "%*s: ", prec, "IST");
	for_each_online_cpu(j)
		seq_printf(p, "%10u ", irq_stats(j)->irq_stack_usage);
	seq_puts(p, "  Interrupt stack usage\n");
# endif
#endif
#ifdef CONFIG_SMP
	if (num_online_cpus() > 1) {
		seq_printf(p, "%*s: ", prec, "RES");
		for_each_online_cpu(j)
			seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count);
		seq_puts(p, "  Rescheduling interrupts\n");
		seq_printf(p, "%*s: ", prec, "CAL");
		for_each_online_cpu(j)
			seq_printf(p, "%10u ", irq_stats(j)->irq_call_count);
		seq_puts(p, "  Function call interrupts\n");
	}
#endif
	seq_printf(p, "%*s: ", prec, "UAH");
	for_each_online_cpu(j)
		seq_printf(p, "%10u ", irq_stats(j)->irq_unaligned_count);
	seq_puts(p, "  Unaligned access handler traps\n");
	seq_printf(p, "%*s: ", prec, "FPA");
	for_each_online_cpu(j)
		seq_printf(p, "%10u ", irq_stats(j)->irq_fpassist_count);
	seq_puts(p, "  Floating point assist traps\n");
	seq_printf(p, "%*s: ", prec, "TLB");
	for_each_online_cpu(j)
		seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count);
	seq_puts(p, "  TLB shootdowns\n");
	return 0;
}