1# Util.py - Python extension for perf trace, miscellaneous utility code 2# 3# Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com> 4# 5# This software may be distributed under the terms of the GNU General 6# Public License ("GPL") version 2 as published by the Free Software 7# Foundation. 8 9NSECS_PER_SEC = 1000000000 10 11def avg(total, n): 12 return total / n 13 14def nsecs(secs, nsecs): 15 return secs * NSECS_PER_SEC + nsecs 16 17def nsecs_secs(nsecs): 18 return nsecs / NSECS_PER_SEC 19 20def nsecs_nsecs(nsecs): 21 return nsecs % NSECS_PER_SEC 22 23def nsecs_str(nsecs): 24 str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)), 25 return str 26 27def clear_term(): 28 print("\x1b[H\x1b[2J") 29