def getLoadAvg(self):
try:<EOL><INDENT>fp = open(loadavgFile, '<STR_LIT:r>')<EOL>line = fp.readline()<EOL>fp.close()<EOL><DEDENT>except:<EOL><INDENT>raise IOError('<STR_LIT>' % loadavgFile)<EOL><DEDENT>arr = line.split()<EOL>if len(arr) >= <NUM_LIT:3>:<EOL><INDENT>return [float(col) for col in arr[:<NUM_LIT:3>]]<EOL><DEDENT>else:<EOL><INDENT>return None<EOL><DEDENT>
Return system Load Average.

        @return: List of 1 min, 5 min and 15 min Load Average figures.