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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
*/
/* 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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