ema_old 300 kernel/irq/timings.c static u64 irq_timings_ema_new(u64 value, u64 ema_old) ema_old 304 kernel/irq/timings.c if (unlikely(!ema_old)) ema_old 307 kernel/irq/timings.c diff = (value - ema_old) * EMA_ALPHA_VAL; ema_old 314 kernel/irq/timings.c return ema_old + (diff >> EMA_ALPHA_SHIFT);