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- /* 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();
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