Stride scheduling is in Section 9.6. Please read that section. Consider the following mix of jobs running on a system using stride scheduling: Job # 1 2 3 Stride 40 60 30 If we wish to add a job #4 that will run twice as often as job #1, what is an appropriate stride for the job?
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- Write a program for implementing Round Robin (RR) scheduling and calculate the average waiting time. .In this assignment, you will implement a simple OS scheduler using C/C++. The scheduler's task is to receive a set of processes and their details, and then decide the order of executing these processes based on the chosen algorithm. Finally, the scheduler will output the order of process execution, in addition to some stats about each of the processes. The scheduling algorithm chosen for this assignment will be SJF (Shortest Job First). The input will start with an integer N, representing the number of processes, followed by N lines (one for each process). For each line i, the line will start with a strings, representing the process name, followed by 2 numbers representing the arrival time and processing time for the ith process, respectively. Your program should print a line indicating the order of executing the processes. Then, for each process, the program should print a line showing the process's name, response time, turnaround time, and delay. See the sample output below for…Race condition is the scenario that the same problem can finish at different time when running at processors with different speeds or rates. O True O False When the total utilization of a given periodic task set is lower than 0.5, all tasks can meet their deadlines. O True O False There are in general two methods for interprocess communication: shared variable and The cyclic scheduling scheme is much simpler, more flexible, and adaptive than the round-robin scheduling scheme. O True O False Real time systems can be largely classified as soft real time systems and firm real time systems. O True he O False
- So I need help with scheduling algorithm HW. So I attempted to do this myself and will drop my work in to see if anyone can correct it. First are the questions then the "attempted" work........Create a game using the LPC1768 and MBED Application Board running MBED OS 5 or 6. The game must use at least two periodic (time-driven) tasks and one event-driven task, its complexity should be manageable by the given hardware. All tasks must have a visible output. At least two of the tasks must share an output which they could (in theory) access simultaneously so that mutual exclusion must be used to avoid a race condition in your code. The game should include some form of timingIn this project you are to design a process queue that is responsible for handling the process requests coming from different users. You have to take into consideration that users have different levels of privileges and priorities. Each user has an identification number and a password, in addition to process priorities. One good idea is to design the queue using an array or pointers while preserving the first-in first-out concept of the queue. For every process request received, the program should check the privileges of that request and whether it can be moved forward in the queue to be served by the operating system prior to serving the other requests. Using the programming language of your choice (preferably C+), write the process queue that would handle the user request. The program must allow for requests coming from different users or from one user.
- A dentist office is currently using paper files to manage all office activities. To make their work easier, the office decided to build a software system to manage those activities instead of using their old paper-way methods. The office patients can take their appointments either by phone or by walking in person to the office lobby. In either way, the receptionist schedules an appointment for the patient with the desired date and time. The system shall not allow scheduling appointments with the same doctor for a duration of less than 30 minutes. Of course, the system shall accept appointments for a specific doctor if the doctor is working on that time. This means that the system shall keep track of each doctor working schedule. The office receptionist enters doctors working schedule in the form of working days for each week. For example, a doctor work schedule can be on Monday, Wednesday, and Thursday from 9:00 am until 4:00 pm for all weeks until June 01, 2021. Now, the office…Project Objectives: This programming project is to simulate a few CPU scheduling policies discussed in the class. You will writeC++ program to implement a simulator with different scheduling algorithms. The simulator selects a task to run from ready queue based on the scheduling algorithm. Since the project intends to simulate a CPU scheduler, so it does not require any actual process creation or execution. When a task is scheduled, the simulator will simply print out what task is selected to run at a time. It outputs the way similar to Gantt chart style. Project Descriptions and Requirements: The selected scheduling algorithms to implement in this project are 1) First Come First Serve (FCFS), 2) Shortest Job First (SJF) and Shortest Remaining Time First (SRTF) OR , Priority and Preemptive Priority , and 3) Round Robin (RR). The detailed algorithms will be discussed in class. The task information will be entered from the keyboard. The format is process_id arrival_time, and burst_time.…2. a) Your colleague has invented a new scheduling algorithm using the multilevel queue approach. This list of processes showing CPU burst times is below. There are three queues used in the application. The processes all start on the first queue and receive upto 10ms of burst time. Once the process has received the 10ms on the first queue, if the process still requires burst time it is passed to the second queue where it receives upto 20ms. Once the process has received the 20ms on the second queue, if the process still requires burst time it is passed to the third queue where it receives CPU time until it is completed. The operating system will only start allocating CPU time to processes on the second queue when queue 1 is empty. The operating system will only start allocating CPU time to processes on the third queue when queue 2 is empty. Process Number P1 P2 P3 P4 Burst time (ms) 21 8 35 50 i) Does this algorithm give higher priority to any queue over the others and any processes…
- you are tasked with analyzing an algorithm which schedulea processes in a multiprogramming system. You are working with a computer that has two CPUs, each CPU having two threads (hyperthreading). You are studying a scenario with three processes: P0, P1, & P2., with run times of 5, 10, & 20 msecs, respectively. All 3 programs are 100% CPU bound, don't block, and always run in the CPU it's assigned to. How long will it take for these programs to complete execution. Show three different possible outcomes (and assigned process to processor, 3 different combinations and resulting total time for all three to complete)2. a) Your colleague has invented a new scheduling algorithm using the multilevel queue approach. This list of processes showing CPU burst times is below. There are three queues used in the application. The processes all start on the first queue and receive upto 10ms of burst time. Once the process has received the 10ms on the first queue, if the process still requires burst time it is passed to the second queue where it receives upto 20ms. Once the process has received the 20ms on the second queue, if the process still requires burst time it is passed to the third queue where it receives CPU time until it is completed. The operating system will only start allocating CPU time to processes on the second queue when queue 1 is empty. The operating system will only start allocating CPU time to processes on the third queue when queue 2 is empty. Process Number P1 P2 P3 P4 Burst time (ms) 21 8 35 50 ii) Is it likely that any processes will suffer starvation?Write an ALP program for ARM Cortex M3/4 to perform the following(1) SVC is to be called from an application task running at Thread unprivileged mode.(2) Two parameters are passed to the handler via R1, R2.(3) If the SVC number is last 3 digits of your Student ID (0 to 255) or last 2 digits of your Student ID (if last 3-digits of Student ID > 255), then the addition of the data in R1, R2 should be performed and after that return and resume application task.(4) If the SVC number is not your Student ID (3 or 2 digits), then return and resume application task.Give suitable screen shots of the KEIL IDE-in debug mode to demonstrate the desired outputs. Ensure that the screenshot captures system time & day.Below Program can be used (basic skeleton)as below to perform the above conditions . AREA RESET, CODE, READONLYin DCD 0x20000100,0x8000005D, 0,0,0,0,0,0,0,0,0,SVC_handler+1,0,0,0,0,0,0,0,0,0,0,0 ENTRY MAIN LDR R1,=0X20000200 MSR PSP,R1 MOV R0,#3…