| /* cpufreq-bench CPUFreq microbenchmark |
| * |
| * Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| /* struct that holds the required config parameters */ |
| struct config |
| { |
| long sleep; /* sleep time in µs */ |
| long load; /* load time in µs */ |
| long sleep_step; /* time value which changes the |
| * sleep time after every round in µs */ |
| long load_step; /* time value which changes the |
| * load time after every round in µs */ |
| unsigned int cycles; /* calculation cycles with the same sleep/load time */ |
| unsigned int rounds; /* calculation rounds with iterated sleep/load time */ |
| unsigned int cpu; /* cpu for which the affinity is set */ |
| char governor[15]; /* cpufreq governor */ |
| enum sched_prio /* possible scheduler priorities */ |
| { |
| SCHED_ERR=-1,SCHED_HIGH, SCHED_DEFAULT, SCHED_LOW |
| } prio; |
| |
| unsigned int verbose; /* verbose output */ |
| FILE *output; /* logfile */ |
| char *output_filename; /* logfile name, must be freed at the end |
| if output != NULL and output != stdout*/ |
| }; |
| |
| enum sched_prio string_to_prio(const char *str); |
| |
| FILE *prepare_output(const char *dir); |
| |
| int prepare_config(const char *path, struct config *config); |
| struct config *prepare_default_config(); |
| |