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SYSTEM AND METHOD FOR ADJUSTING POWER USAGE TO REDUCE INTERRUPT LATENCY
SYSTEM AND METHOD FOR ADJUSTING POWER USAGE TO REDUCE INTERRUPT LATENCY
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机译:调节功率使用量以减少中断潜伏期的系统和方法
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摘要
A system and method are described for warming a processor from a low power state in anticipation of a time critical interrupt. For example, one embodiment of a method comprises: detecting that a time-critical interrupt will require processor resources at some point in the future; estimating a time at which the time-critical interrupt will be triggered; scheduling a timer interrupt to fire at a specified time prior to the estimated time that the time-critical interrupt will be triggered, the timer interrupt being scheduled with sufficient time to ensure that the processor is warmed to a level at which it is capable of handling the time-critical interrupt at the time that the time-critical interrupt is triggered; and responsively triggering the timer interrupt at the specified time prior to the time critical interrupt.
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