Threshold_Value = 70 #Value in percentage oper = ">=" #Give the operator to compare import os import ctypes import re import operator import sys Ram_avail = [] Drive = os.environ['SYSTEMDRIVE'] GetFreeMemory = 'systeminfo | findstr /'+ Drive +'"Total Physical Memory" /'+Drive+'"Available Physical Memory"' class disable_file_system_redirection: _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection def __enter__(self): self.old_value = ctypes.c_long() self.success = self._disable(ctypes.byref(self.old_value)) def __exit__(self, type, value, traceback): if self.success: self._revert(self.old_value) def alert(arg): sys.stderr.write("%d%d%d" % (arg, arg, arg)) operator_dict ={ '>': operator.gt, '<': operator.lt, '>=': operator.ge, '<=': operator.le} with disable_file_system_redirection(): Run_GetFreeMemory = os.popen(GetFreeMemory).read() process=os.popen('tasklist /v /FI "MEMUSAGE ge 10000" | sort /+67 /R').readlines() for i in [i.strip() for i in Run_GetFreeMemory.split('\n') if i.strip()]: value = re.sub("\D", "", i) Ram_avail.append(value) value1 = int(Ram_avail[0]) value2 = int(Ram_avail[1]) value3 = value1 - value2 value4 = float(value3)/float(value1) value5 = value4*100 Ram_Usage = int(value5) Ram_Mon= (operator_dict[oper](Ram_Usage,Threshold_Value)) if Ram_Mon is True: alert(1) print "The RAM usage reached its threshold limit \n" print "The given threshold is ",Threshold_Value,"Percent" print "The Ram usage is ", Ram_Usage,"Percent" print "\n" print 'Top RAM memory consuming processes \n' try: for i in range(1,7,1): print (process[i]) except: pass else: alert(0) print "The RAM usagae falls within the threshold \n " print "The given threshold is ",Threshold_Value,"Percent" print "\n" print "The Ram usage is ", Ram_Usage,"Percent" print "\n"