78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
#!/usr/bin/env python
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import sys
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import sys
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if sys.version_info[0] >= 3:
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import PySimpleGUI as sg
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else:
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import PySimpleGUI27 as sg
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import time
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import random
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import psutil
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from threading import Thread
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STEP_SIZE=3
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SAMPLES = 300
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SAMPLE_MAX = 500
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CANVAS_SIZE = (300,200)
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g_interval = .25
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g_cpu_percent = 0
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g_procs = None
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g_exit = False
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def CPU_thread(args):
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global g_interval, g_cpu_percent, g_procs, g_exit
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while not g_exit:
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try:
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g_cpu_percent = psutil.cpu_percent(interval=g_interval)
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g_procs = psutil.process_iter()
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except:
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pass
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def main():
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global g_exit, g_response_time
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# start ping measurement thread
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sg.ChangeLookAndFeel('Black')
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sg.SetOptions(element_padding=(0,0))
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layout = [ [sg.Quit( button_color=('white','black')), sg.T('', pad=((100,0),0), font='Any 15', key='output')],
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[sg.Graph(CANVAS_SIZE, (0,0), (SAMPLES,SAMPLE_MAX),background_color='black', key='graph')],]
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window = sg.Window('CPU Graph', grab_anywhere=True, keep_on_top=True, background_color='black', no_titlebar=True, use_default_focus=False).Layout(layout)
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graph = window.FindElement('graph')
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output = window.FindElement('output')
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# start cpu measurement thread
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thread = Thread(target=CPU_thread,args=(None,))
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thread.start()
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last_cpu = i = 0
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prev_x, prev_y = 0, 0
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while True: # the Event Loop
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time.sleep(.5)
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event, values = window.ReadNonBlocking()
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if event == 'Quit' or values is None: # always give ths user a way out
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break
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# do CPU measurement and graph it
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current_cpu = int(g_cpu_percent*10)
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if current_cpu == last_cpu:
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continue
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output.Update(current_cpu/10) # show current cpu usage at top
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if current_cpu > SAMPLE_MAX:
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current_cpu = SAMPLE_MAX
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new_x, new_y = i, current_cpu
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if i >= SAMPLES:
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graph.Move(-STEP_SIZE,0) # shift graph over if full of data
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prev_x = prev_x - STEP_SIZE
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graph.DrawLine((prev_x, prev_y), (new_x, new_y), color='white')
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prev_x, prev_y = new_x, new_y
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i += STEP_SIZE if i < SAMPLES else 0
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last_cpu = current_cpu
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if __name__ == '__main__':
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main()
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