1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*  cpufreq-bench CPUFreq microbenchmark
 3 *
 4 *  Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
 5 */
 6
 7/* struct that holds the required config parameters */
 8struct config
 9{
10	long sleep;		/* sleep time in µs */
11	long load;		/* load time in µs */
12	long sleep_step;	/* time value which changes the
13				 * sleep time after every round in µs */
14	long load_step;		/* time value which changes the
15				 * load time after every round in µs */
16	unsigned int cycles;	/* calculation cycles with the same sleep/load time */
17	unsigned int rounds;	/* calculation rounds with iterated sleep/load time */
18	unsigned int cpu;	/* cpu for which the affinity is set */
19	char governor[15];	/* cpufreq governor */
20	enum sched_prio		/* possible scheduler priorities */
21	{
22		SCHED_ERR = -1,
23		SCHED_HIGH,
24		SCHED_DEFAULT,
25		SCHED_LOW
26	} prio;
27
28	unsigned int verbose;	/* verbose output */
29	FILE *output;		/* logfile */
30	char *output_filename;	/* logfile name, must be freed at the end
31				   if output != NULL and output != stdout*/
32};
33
34enum sched_prio string_to_prio(const char *str);
35
36FILE *prepare_output(const char *dir);
37
38int prepare_config(const char *path, struct config *config);
39struct config *prepare_default_config();
40