Method for real-time operating system to avoid interrupt occupying excess CPU resources
A real-time operating system and CPU resource technology, applied in resource allocation, multiprogramming, etc., can solve problems such as frequent interruptions, poor user experience, and other tasks cannot be run, so as to suppress frequently generated interruptions and avoid being occupied effect
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[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0041] Introduce solution thinking of the present invention below:
[0042] First, an information database of CPU resource occupancy is established based on each type of interrupt. From the generation of the interrupt to the end of the execution of the interrupt service routine, the position of the time window corresponding to this period is marked as occupied. After the interrupt service program is processed, according to the CPU occupation information database of the interrupt, and according to the proportion of the interrupt time recorded above in the time window, it is judged whether the interrupt occupies too much CPU in the set recent time window. CPU resources. When the proportion of CPU resources occupied by the ...
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