Linux pc/server performance monitor

1import psutil
2import serial
3import time
4import os
5ser = serial.Serial('/dev/ttyUSB0')
6  #define serial port.
7line = "nothing"; #create the variable where incoming
8  communication is gonna be saved.
9while True:
10    sep = ',' 
11    sep1 =
12  '.'
13    t = os.popen('uptime -p').read()[:-1] #open the file /proc/uptime and
14  read it
15    cpu = psutil.cpu_percent(interval=1) #reads the cpu åercetange every
16  second
17    if cpu <= 10: #if cpu percetange is less than 10, add a zero, eg.
18  5% -> 05%. This lessens the propability of a bug happening where ram has two "%"
19  icons
20        cpu = '0',str(cpu)
21        cpu = str(cpu)
22    cpu = str(cpu).replace('"',
23  "")# Remove unecessary characters from string
24    cpu = str(cpu).replace("'",
25  "")# --||--
26    cpu = str(cpu).replace(' ', "")# --||--
27    cpu = 'CPU',
28  str(cpu).split(sep1, 1)[0] #split the string at the first dot and remove anything
29  behind it
30    amount_of_ram = str(psutil.virtual_memory()[2]).split(sep1, 1)[0]
31  # --||--
32    ram = 'RAM', str(amount_of_ram) # Convert the variable to a string.
33  (Why??)
34    uptime = t #more spaghetti for the sake of it
35    updisk = (str(uptime).split(sep,
36  1)[0],'/',psutil.disk_usage('/') [3], '%') #generate a string that contains the
37  uptime and how much of the / drive is used. 
38    downdisk = str(cpu) + '% ' +
39  str(ram) + '%' #generate a string that contains the info regarding the RAM and the
40  CPU. I know my naming scheme is stupid.
41    downdisk = str(downdisk) #convert
42  the variable to a string??
43    upstr = str(updisk) #--||--
44    upstr = upstr.replace("(",
45  "") #replace all unecessary characters from the strings
46    upstr = upstr.replace(",",
47  "")
48    upstr = upstr.replace("'", "")
49    upstr = upstr.replace(")",
50  "")
51    upstr = upstr.replace("minutes", "m")
52    upstr = upstr.replace("minute",
53  "m")
54    upstr = upstr.replace("hours", "h")
55    upstr = upstr.replace("hour",
56  "h")
57    upstr = upstr.replace("days", "d")
58    upstr = upstr.replace("day",
59  "d")
60    downdisk = downdisk.replace("(", "")
61    downdisk = downdisk.replace(",",
62  "")
63    downdisk = downdisk.replace("'", "")
64    downdisk = downdisk.replace(")",
65  "")
66    ser.write(b"*") # Let the arduino know we're about to write onto
67  the second row
68    ser.write(upstr.encode()) # Write the data 
69    ser.write(b"#")
70  # Let the arduino know we're about to write onto the first row
71    ser.write(downdisk.encode())
72
73    line = ser.readline() # Read the serial output
74    if (not line == b'nothing\
\
75'):
76  # if false any buttons were'nt pressed, do nothing.
77        if (line == b'reboot\
\
78'):
79  # A reboot was ordered by pressing a button
80            os.system("reboot")
81  #reboot the host system, replace the command if you wish to do something else when
82  a button is pressed.
83        if (line == b'shutdown\
\
84'): # A shutdown was
85  ordered
86            os.system("shutdown now")    
87    time.sleep(2) # Wait
88  two seconds
89
90
91# I'm sorry for the spaghetti and the excessive use of the
92  commenting feature :)

1#include <Wire.h> 
2#include <LiquidCrystal.h>
3
4LiquidCrystal
5  lcd(12, 11, 5, 4, 3, 2);
6String inData;
7const int buttonPin = 6;
8const
9  int buttonPin2 = 7;
10const int ledPin = 8;
11int buttonState = 0; 
12int buttonState2
13  = 0;
14
15void setup() {
16    pinMode(buttonPin2, INPUT);
17    pinMode(buttonPin,
18  INPUT);
19    pinMode(ledPin, OUTPUT);
20    Serial.begin(9600);
21    lcd.begin(16,
22  2);
23}
24
25void loop() {
26  ledPin == HIGH;
27  buttonState = digitalRead(buttonPin);
28
29  buttonState2 = digitalRead(buttonPin2);
30  if (buttonState == HIGH) {
31      Serial.println("reboot");
32
33      delay(250);
34    
35  }
36  if (buttonState2 == HIGH) {
37      Serial.println("shutdown");
38
39      delay(250);
40    
41  }
42
43    while (Serial.available() > 0)
44    {
45
46        char recieved = Serial.read();
47        inData += recieved; 
48        
49
50        if (recieved == '*')
51        {
52            inData.remove(inData.length()
53  -1, 1);
54            lcd.setCursor(0,0);
55            lcd.print(inData);
56
57            inData = ""; 
58            
59            if(inData == "DIS")
60
61            {
62              delay(0); 
63            }
64  Serial.println("nothing");
65
66            
67        } 
68        
69        if (recieved == '#')
70        {
71
72            inData.remove(inData.length() -1, 1);
73            lcd.setCursor(0,1);
74
75            lcd.print(inData);
76            inData = ""; 
77        }
78    }
79}

1import psutil
2import serial
3import time
4import os
5ser = serial.Serial('/dev/ttyUSB0')  #define serial port.
6line = "nothing"; #create the variable where incoming  communication is gonna be saved.
7while True:
8    sep = ',' 
9    sep1 =  '.'
10    t = os.popen('uptime -p').read()[:-1] #open the file /proc/uptime and  read it
11    cpu = psutil.cpu_percent(interval=1) #reads the cpu åercetange every  second
12    if cpu <= 10: #if cpu percetange is less than 10, add a zero, eg.  5% -> 05%. This lessens the propability of a bug happening where ram has two "%"  icons
13        cpu = '0',str(cpu)
14        cpu = str(cpu)
15    cpu = str(cpu).replace('"',  "")# Remove unecessary characters from string
16    cpu = str(cpu).replace("'",  "")# --||--
17    cpu = str(cpu).replace(' ', "")# --||--
18    cpu = 'CPU',  str(cpu).split(sep1, 1)[0] #split the string at the first dot and remove anything  behind it
19    amount_of_ram = str(psutil.virtual_memory()[2]).split(sep1, 1)[0]  # --||--
20    ram = 'RAM', str(amount_of_ram) # Convert the variable to a string.  (Why??)
21    uptime = t #more spaghetti for the sake of it
22    updisk = (str(uptime).split(sep,  1)[0],'/',psutil.disk_usage('/') [3], '%') #generate a string that contains the  uptime and how much of the / drive is used. 
23    downdisk = str(cpu) + '% ' +  str(ram) + '%' #generate a string that contains the info regarding the RAM and the  CPU. I know my naming scheme is stupid.
24    downdisk = str(downdisk) #convert  the variable to a string??
25    upstr = str(updisk) #--||--
26    upstr = upstr.replace("(",  "") #replace all unecessary characters from the strings
27    upstr = upstr.replace(",",  "")
28    upstr = upstr.replace("'", "")
29    upstr = upstr.replace(")",  "")
30    upstr = upstr.replace("minutes", "m")
31    upstr = upstr.replace("minute",  "m")
32    upstr = upstr.replace("hours", "h")
33    upstr = upstr.replace("hour",  "h")
34    upstr = upstr.replace("days", "d")
35    upstr = upstr.replace("day",  "d")
36    downdisk = downdisk.replace("(", "")
37    downdisk = downdisk.replace(",",  "")
38    downdisk = downdisk.replace("'", "")
39    downdisk = downdisk.replace(")",  "")
40    ser.write(b"*") # Let the arduino know we're about to write onto  the second row
41    ser.write(upstr.encode()) # Write the data 
42    ser.write(b"#")  # Let the arduino know we're about to write onto the first row
43    ser.write(downdisk.encode())
44    line = ser.readline() # Read the serial output
45    if (not line == b'nothing\
\
46'):  # if false any buttons were'nt pressed, do nothing.
47        if (line == b'reboot\
\
48'):  # A reboot was ordered by pressing a button
49            os.system("reboot")  #reboot the host system, replace the command if you wish to do something else when  a button is pressed.
50        if (line == b'shutdown\
\
51'): # A shutdown was  ordered
52            os.system("shutdown now")    
53    time.sleep(2) # Wait  two seconds
54
55
56# I'm sorry for the spaghetti and the excessive use of the  commenting feature :)

1#include <Wire.h> 
2#include <LiquidCrystal.h>
3
4LiquidCrystal  lcd(12, 11, 5, 4, 3, 2);
5String inData;
6const int buttonPin = 6;
7const  int buttonPin2 = 7;
8const int ledPin = 8;
9int buttonState = 0; 
10int buttonState2  = 0;
11
12void setup() {
13    pinMode(buttonPin2, INPUT);
14    pinMode(buttonPin,  INPUT);
15    pinMode(ledPin, OUTPUT);
16    Serial.begin(9600);
17    lcd.begin(16,  2);
18}
19
20void loop() {
21  ledPin == HIGH;
22  buttonState = digitalRead(buttonPin);
23  buttonState2 = digitalRead(buttonPin2);
24  if (buttonState == HIGH) {
25      Serial.println("reboot");
26      delay(250);
27    
28  }
29  if (buttonState2 == HIGH) {
30      Serial.println("shutdown");
31      delay(250);
32    
33  }
34
35    while (Serial.available() > 0)
36    {
37        char recieved = Serial.read();
38        inData += recieved; 
39        
40        if (recieved == '*')
41        {
42            inData.remove(inData.length()  -1, 1);
43            lcd.setCursor(0,0);
44            lcd.print(inData);
45            inData = ""; 
46            
47            if(inData == "DIS")
48            {
49              delay(0); 
50            }
51  Serial.println("nothing");
52            
53        } 
54        
55        if (recieved == '#')
56        {
57            inData.remove(inData.length() -1, 1);
58            lcd.setCursor(0,1);
59            lcd.print(inData);
60            inData = ""; 
61        }
62    }
63}