Tom Zanussi | 7e4b21b | 2010-01-27 02:27:57 -0600 | [diff] [blame] | 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 | |
| 9 | NSECS_PER_SEC = 1000000000 |
| 10 | |
| 11 | def avg(total, n): |
| 12 | return total / n |
| 13 | |
| 14 | def nsecs(secs, nsecs): |
| 15 | return secs * NSECS_PER_SEC + nsecs |
| 16 | |
| 17 | def nsecs_secs(nsecs): |
| 18 | return nsecs / NSECS_PER_SEC |
| 19 | |
| 20 | def nsecs_nsecs(nsecs): |
| 21 | return nsecs % NSECS_PER_SEC |
| 22 | |
| 23 | def nsecs_str(nsecs): |
| 24 | str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)), |
| 25 | return str |