Capture CPU utilization per core

draw.py

import psutil
import time
import matplotlib.pyplot as plt

def start():
    cpu_cores = psutil.cpu_count()

    time_range = [i for i in range(60)]
    cores = []

    for c in range(cpu_cores):
        cores.append([])

    for i in range(60):
        cpus_percent = psutil.cpu_percent(percpu=True)

        print(cpus_percent)
        for c in range(cpu_cores):
            cores[c].append(cpus_percent.pop(0))

        time.sleep(1)

    for c in range(cpu_cores):
        core_name = 'Core' + str(c)
        plt.plot(time_range, cores[c], label = core_name)

    plt.xlabel('Time - sec')
    plt.ylabel('Utilization - %')
    plt.title('CPU Utilization')

    plt.legend()
    plt.show()

if __name__ == '__main__':
    start()