Invention Grant
US09128703B1 Processor that transitions to an idle mode when no task is scheduled to execute and further enters a quiescent doze mode or a wait mode depending on the value of a reference counter 有权
当没有任务被调度执行并进一步进入静态打盹模式或等待模式时,转换到空闲模式的处理器取决于参考计数器的值

Processor that transitions to an idle mode when no task is scheduled to execute and further enters a quiescent doze mode or a wait mode depending on the value of a reference counter
Abstract:
A quiescent doze mode permits significant reductions in power consumption and dissipation by electronic devices while idle without producing adverse latencies to users. Device drivers communicate predictions as to future use of their coupled devices with a kernel. The kernel may then enter a quiescent doze mode comprising gating clocks on the processor and peripherals, disabling interrupts, and executing a wait for interrupt. Dynamically increasing timer interrupt intervals to significant fractions or multiples of a second further increases the percentage of time the device remains in quiescent doze mode.
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