Timer scheduling method
A scheduling method and timer technology, applied in multi-programming devices, digital transmission systems, electrical components, etc., can solve problems such as increased possibility, decreased timing accuracy of timers, system crashes, etc., to reduce excessive CPU consumption. possibility, avoid timing accuracy degradation, prevent system crash effect
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[0020] Although there may be a large number of timers in the system, the accuracy of these timers, that is, the timing duration, may be different. Moreover, timers with very high precision, such as 10 millisecond timers, account for a very small proportion. In modern communication systems, most timers are call-related timers, and their accuracy levels are usually 1 second or 100 milliseconds, that is, it is not necessary to scan these timers in every timer scheduling period. . For example, for a timer with an accuracy of 1 second, it only needs to be scanned once every 1 second.
[0021] In view of the above situation, the core idea of the timer scheduling method proposed by the present invention is: in each timer scheduling period, scan all timers whose accuracy is less than two timer scheduling periods, and perform timeout on all timeout timers. Processing; in n timer scheduling periods, scan all timers of the same type whose accuracy is greater than or equal to two timer sche...
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