帮我写一个函数,实现时间公平调度算法。
时间: 2023-04-11 18:00:54 浏览: 54
好的,时间公平调度算法是一种基于时间片轮转的调度算法,可以实现公平地分配CPU时间片给各个进程。以下是一个简单的时间公平调度算法的实现:
```
void timeFairSchedule(Process[] processes, int timeSlice) {
int n = processes.length;
int[] remainingTime = new int[n];
int[] waitingTime = new int[n];
int totalTime = 0;
for (int i = 0; i < n; i++) {
remainingTime[i] = processes[i].burstTime;
totalTime += processes[i].burstTime;
}
int currentTime = 0;
while (currentTime < totalTime) {
boolean allFinished = true;
for (int i = 0; i < n; i++) {
if (remainingTime[i] > 0) {
allFinished = false;
if (remainingTime[i] > timeSlice) {
remainingTime[i] -= timeSlice;
currentTime += timeSlice;
} else {
currentTime += remainingTime[i];
waitingTime[i] = currentTime - processes[i].burstTime;
remainingTime[i] = 0;
}
}
}
if (allFinished) {
break;
}
}
double averageWaitingTime = 0;
for (int i = 0; i < n; i++) {
averageWaitingTime += waitingTime[i];
}
averageWaitingTime /= n;
System.out.println("Average waiting time: " + averageWaitingTime);
}
```
这个函数接受一个进程数组和一个时间片大小作为参数,然后按照时间公平调度算法来调度这些进程,并计算出平均等待时间。