|  | /*  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(); | 
|  |  |