Method for scheduling multiple periodic requests and scheduling device
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United States of America Patent
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Oct 2, 2018
Grant Date -
Jun 1, 2017
app pub date -
Dec 28, 2015
filing date -
Nov 27, 2015
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Abstract
A method for scheduling multiple periodic requests includes the following steps. The utilization rate of a processing unit is monitored. Multiple periodic requests are received, where the ith periodic request has an original period Pi and an execution time bi. The original period and the execution time of each periodic request are recorded. When the utilization rate of the processing unit exceeds an upper limit, the period of each periodic request is adjusted to be an updated period Pi′, Pi′=n″+Δ, n is an integer greater than 1, qi is an integer greater than 0, and Δ is an integer greater than or equal to 0. The periodic requests are scheduled according to the updated period of each periodic request and the execution time of each periodic request to obtain a scheduling result. The scheduling result is transmitted.
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