| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame^] | 1 | /* cpufreq-bench CPUFreq microbenchmark |
| 2 | * |
| 3 | * Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | */ |
| 19 | |
| 20 | /* struct that holds the required config parameters */ |
| 21 | struct config |
| 22 | { |
| 23 | long sleep; /* sleep time in µs */ |
| 24 | long load; /* load time in µs */ |
| 25 | long sleep_step; /* time value which changes the |
| 26 | * sleep time after every round in µs */ |
| 27 | long load_step; /* time value which changes the |
| 28 | * load time after every round in µs */ |
| 29 | unsigned int cycles; /* calculation cycles with the same sleep/load time */ |
| 30 | unsigned int rounds; /* calculation rounds with iterated sleep/load time */ |
| 31 | unsigned int cpu; /* cpu for which the affinity is set */ |
| 32 | char governor[15]; /* cpufreq governor */ |
| 33 | enum sched_prio /* possible scheduler priorities */ |
| 34 | { |
| 35 | SCHED_ERR=-1,SCHED_HIGH, SCHED_DEFAULT, SCHED_LOW |
| 36 | } prio; |
| 37 | |
| 38 | unsigned int verbose; /* verbose output */ |
| 39 | FILE *output; /* logfile */ |
| 40 | char *output_filename; /* logfile name, must be freed at the end |
| 41 | if output != NULL and output != stdout*/ |
| 42 | }; |
| 43 | |
| 44 | enum sched_prio string_to_prio(const char *str); |
| 45 | |
| 46 | FILE *prepare_output(const char *dir); |
| 47 | |
| 48 | int prepare_config(const char *path, struct config *config); |
| 49 | struct config *prepare_default_config(); |
| 50 | |