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#!/usr/bin/python3.5
# -*- coding: utf-8 -*-
#
# License: MIT
# Author: Andreas Lindhé
import sys
import time
import psutil
from datetime import datetime as dt
log = []
def main(filepath="/tmp/sysinfo.log", log_interval=10, write_interval=600):
global log
while True:
for i in range(write_interval//log_interval):
log.append( get_log_data() )
time.sleep( log_interval )
write_to_file(filepath)
log = []
def get_log_data():
now = "{:%Y-%m-%d %H:%M:%S};".format( dt.now() )
cpu = psutil.cpu_percent(percpu=True, interval=1)
cpufmt = len(cpu) * ' {:>5}'
cores = cpufmt.format(*cpu) + ';'
ram = str( psutil.virtual_memory().percent )+';'
boot_time = "{:%Y-%m-%d %H:%M:%S};".format( dt.fromtimestamp(psutil.boot_time()) )
return " ".join([now, cores, ram, boot_time])
def write_to_file(filepath="/tmp/asdf.log"):
try:
with open(filepath, 'a') as f:
for line in log:
f.write(line + '\n')
except OSError as e:
print("Error reading file {}: {}".format(filepath, e), file=sys.stderr)
if __name__ == '__main__':
program = sys.argv[0]
if len(sys.argv) == 2:
filepath = sys.argv[1]
log_interval = 10
write_interval = 60
elif len(sys.argv) == 4:
filepath = sys.argv[1]
log_interval = int(sys.argv[2])
write_interval = int(sys.argv[3])
else:
print("Usage: {} /path/to/file [log_interval] [write_interval]")
print("log_interval is the time in seconds between each log line")
print("write_interval is the time in seconds between each write")
sys.exit(1)
try:
main(filepath, log_interval, write_interval)
except KeyboardInterrupt:
sys.stderr.write("Interrupted\n")
sys.exit(0)
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