54 lines
1.9 KiB
C
Executable file
54 lines
1.9 KiB
C
Executable file
/* 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();
|
|
|