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