19 DEFINE_PER_CPU(struct irqtime, cpu_irqtime);
33 static void irqtime_account_delta(struct irqtime *irqtime, u64 delta,  in irqtime_account_delta()  argument
38 	u64_stats_update_begin(&irqtime->sync);  in irqtime_account_delta()
40 	irqtime->total += delta;  in irqtime_account_delta()
41 	irqtime->tick_delta += delta;  in irqtime_account_delta()
42 	u64_stats_update_end(&irqtime->sync);  in irqtime_account_delta()
51 	struct irqtime *irqtime = this_cpu_ptr(&cpu_irqtime);  in irqtime_account_irq()  local
59 	delta = sched_clock_cpu(cpu) - irqtime->irq_start_time;  in irqtime_account_irq()
60 	irqtime->irq_start_time += delta;  in irqtime_account_irq()
69 		irqtime_account_delta(irqtime, delta, CPUTIME_IRQ);  in irqtime_account_irq()
71 		irqtime_account_delta(irqtime, delta, CPUTIME_SOFTIRQ);  in irqtime_account_irq()
77 	struct irqtime *irqtime = this_cpu_ptr(&cpu_irqtime);  in irqtime_tick_accounted()  local
80 	delta = min(irqtime->tick_delta, maxtime);  in irqtime_tick_accounted()
81 	irqtime->tick_delta -= delta;  in irqtime_tick_accounted()