#!/usr/bin/env python # memory_hog.py - Simple test script for kill_memory_hogs.py # Copyright (C) 2007 Johann C. Rocholl # # Permission is hereby granted, free of charge, to any person # obtaining a copy of this software and associated documentation files # (the "Software"), to deal in the Software without restriction, # including without limitation the rights to use, copy, modify, merge, # publish, distribute, sublicense, and/or sell copies of the Software, # and to permit persons to whom the Software is furnished to do so, # subject to the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. """ Allocate 400 MiB of RAM and go to sleep: # memory_hog.py 400 Then you can use the following to kill it: # kill_memory_hogs.py 400 """ __revision__ = "$Rev: 1464 $" __date__ = "$Date: 2007-06-08 22:12:43 +0200 (Fri, 08 Jun 2007) $" __author__ = "$Author: johann $" import sys import time from array import array MEGS = int(sys.argv[1]) KILOBYTE = array('B', [0] * 1024) a = array('B') for meg in range(MEGS): for i in range(1024): a.extend(KILOBYTE) sys.stdout.write(str(meg + 1) + chr(13)) sys.stdout.flush() while True: time.sleep(1)