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 */
21struct 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,
36		SCHED_HIGH,
37		SCHED_DEFAULT,
38		SCHED_LOW
39	} prio;
40
41	unsigned int verbose;	/* verbose output */
42	FILE *output;		/* logfile */
43	char *output_filename;	/* logfile name, must be freed at the end
44				   if output != NULL and output != stdout*/
45};
46
47enum sched_prio string_to_prio(const char *str);
48
49FILE *prepare_output(const char *dir);
50
51int prepare_config(const char *path, struct config *config);
52struct config *prepare_default_config();
53
54