import sys import json class Process: def __init__(self, name, duration, arrival_time, io_frequency): self.name = name self.duration = duration self.arrival_time = arrival_time self.io_frequency = io_frequency def schedule_processes(processes): # Implement your scheduling algorithm here schedule = [] # Sort processes based on arrival time processes.sort(key=lambda x: x.arrival_time) current_time = 0 for proc in processes: while current_time < proc.arrival_time: current_time += 1 schedule.append(proc.name) for time in range(proc.duration): current_time += 1 # Check for IO interruptions if proc.io_frequency > 0 and time > 0 and time % proc.io_frequency == 0 and time < proc.duration - 1: schedule.append(f"!{proc.name}") return ' '.join(schedule) def main(): # Check if the correct number of arguments is provided if len(sys.argv) != 2: return 1 input_file_name = f"Process_List/{config['dataset']}/{sys.argv[1]}" # Define the number of processes num_processes = 0 data_set = [] # Open the file for reading try: with open(input_file_name, "r") as file: # Read the number of processes from the file num_processes = int(file.readline().strip()) # Read process data from the file and populate the data_set list for _ in range(num_processes): line = file.readline().strip() name, duration, arrival_time, io_frequency = line.split(',') process = Process(name, int(duration), int(arrival_time), int(io_frequency)) data_set.append(process) except FileNotFoundError: print("Error opening the file.") return 1 # Get the schedule based on the implemented algorithm output = schedule_processes(data_set) # Open a file for writing try: output_path = f"Schedulers/template/{config['dataset']}/template_out_{sys.argv[1].split('_')[1]}" with open(output_path, "w") as output_file: # Write the final result to the output file output_file.write(output) except IOError: print("Error opening the output file.") return 1 return 0 if __name__ == "__main__": exit_code = main() sys.exit(exit_code) fix this code, the scheduler does not print out the correct number of processes on the followin input 34 AB,30,0,0 AC,48,10,0 BJ,41,12,0 AJ,50,15,0 AF,33,16,15 AI,49,22,15 AD,35,33,0 AY,47,61,22 AN,32,64,11 AW,32,87,0 AE,34,94,17 AT,43,97,14 AX,43,98,5 AH,44,128,0 AG,41,131,0 AM,32,164,0 AK,45,205,22 AL,33,251,3 BA,31,294,12 AO,42,305,15 AS,43,347,13 AZ,33,420,14 AP,46,440,0 AR,43,462,0 BF,38,463,18 BH,49,547,0 BI,35,559,11 AQ,33,564,0 BC,33,591,0 AU,40,681,12 AV,34,703,3 BE,33,717,4 BD,34,987,0 BG,49,1140,0 it prints 99 instead of 1328

import sys import json class Process: def init(self, name, duration, arrival_time, io_frequency): self.name = name self.duration = duration self.arrival_time = arrival_time self.io_frequency = io_frequency def schedule_processes(processes): # Implement your scheduling algorithm here schedule = [] # Sort processes based on arrival time processes.sort(key=lambda x: x.arrival_time) current_time = 0 for proc in processes: while current_time < proc.arrival_time: current_time += 1 schedule.append(proc.name) for time in range(proc.duration): current_time += 1 # Check for IO interruptions if proc.io_frequency > 0 and time > 0 and time % proc.io_frequency == 0 and time < proc.duration - 1: schedule.append(f"!{proc.name}") return ' '.join(schedule) def main(): # Check if the correct number of arguments is provided if len(sys.argv) != 2: return 1 input_file_name = f"Process_List/{config['dataset']}/{sys.argv[1]}" # Define the number of processes num_processes = 0 data_set = [] # Open the file for reading try: with open(input_file_name, "r") as file: # Read the number of processes from the file num_processes = int(file.readline().strip()) # Read process data from the file and populate the data_set list for _ in range(num_processes): line = file.readline().strip() name, duration, arrival_time, io_frequency = line.split(',') process = Process(name, int(duration), int(arrival_time), int(io_frequency)) data_set.append(process) except FileNotFoundError: print("Error opening the file.") return 1 # Get the schedule based on the implemented algorithm output = schedule_processes(data_set) # Open a file for writing try: output_path = f"Schedulers/template/{config['dataset']}/template_out_{sys.argv[1].split('_')[1]}" with open(output_path, "w") as output_file: # Write the final result to the output file output_file.write(output) except IOError: print("Error opening the output file.") return 1 return 0 if name == "main": exit_code = main() sys.exit(exit_code) fix this code, the scheduler does not print out the correct number of processes on the followin input 34 AB,30,0,0 AC,48,10,0 BJ,41,12,0 AJ,50,15,0 AF,33,16,15 AI,49,22,15 AD,35,33,0 AY,47,61,22 AN,32,64,11 AW,32,87,0 AE,34,94,17 AT,43,97,14 AX,43,98,5 AH,44,128,0 AG,41,131,0 AM,32,164,0 AK,45,205,22 AL,33,251,3 BA,31,294,12 AO,42,305,15 AS,43,347,13 AZ,33,420,14 AP,46,440,0 AR,43,462,0 BF,38,463,18 BH,49,547,0 BI,35,559,11 AQ,33,564,0 BC,33,591,0 AU,40,681,12 AV,34,703,3 BE,33,717,4 BD,34,987,0 BG,49,1140,0 it prints 99 instead of 1328

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Related questions

Question

import sys

import json

class Process:

def __init__(self, name, duration, arrival_time, io_frequency):

self.name = name

self.duration = duration

self.arrival_time = arrival_time

self.io_frequency = io_frequency

def schedule_processes(processes):

# Implement your scheduling algorithm here

schedule = []

# Sort processes based on arrival time

processes.sort(key=lambda x: x.arrival_time)

current_time = 0

for proc in processes:

while current_time < proc.arrival_time:

current_time += 1

schedule.append(proc.name)

for time in range(proc.duration):

current_time += 1

# Check for IO interruptions

if proc.io_frequency > 0 and time > 0 and time % proc.io_frequency == 0 and time < proc.duration - 1:

schedule.append(f"!{proc.name}")

return ' '.join(schedule)

def main():

# Check if the correct number of arguments is provided

if len(sys.argv) != 2:

return 1

input_file_name = f"Process_List/{config['dataset']}/{sys.argv[1]}"

# Define the number of processes

num_processes = 0

data_set = []

# Open the file for reading

try:

with open(input_file_name, "r") as file:

# Read the number of processes from the file

num_processes = int(file.readline().strip())

# Read process data from the file and populate the data_set list

for _ in range(num_processes):

line = file.readline().strip()

name, duration, arrival_time, io_frequency = line.split(',')

process = Process(name, int(duration), int(arrival_time), int(io_frequency))

data_set.append(process)

except FileNotFoundError:

print("Error opening the file.")

return 1

# Get the schedule based on the implemented algorithm

output = schedule_processes(data_set)

# Open a file for writing

try:

output_path = f"Schedulers/template/{config['dataset']}/template_out_{sys.argv[1].split('_')[1]}"

with open(output_path, "w") as output_file:

# Write the final result to the output file

output_file.write(output)

except IOError:

print("Error opening the output file.")

return 1

return 0

if __name__ == "__main__":

exit_code = main()

sys.exit(exit_code)

fix this code, the scheduler does not print out the correct number of processes on the followin input

34
AB,30,0,0
AC,48,10,0
BJ,41,12,0
AJ,50,15,0
AF,33,16,15
AI,49,22,15
AD,35,33,0
AY,47,61,22
AN,32,64,11
AW,32,87,0
AE,34,94,17
AT,43,97,14
AX,43,98,5
AH,44,128,0
AG,41,131,0
AM,32,164,0
AK,45,205,22
AL,33,251,3
BA,31,294,12
AO,42,305,15
AS,43,347,13
AZ,33,420,14
AP,46,440,0
AR,43,462,0
BF,38,463,18
BH,49,547,0
BI,35,559,11
AQ,33,564,0
BC,33,591,0
AU,40,681,12
AV,34,703,3
BE,33,717,4
BD,34,987,0
BG,49,1140,0

it prints 99 instead of 1328

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