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parse.h
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1 /* cpufreq-bench CPUFreq microbenchmark
2  *
3  * Copyright (C) 2008 Christian Kornacker <[email protected]>
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 */
21 struct 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,
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 
47 enum sched_prio string_to_prio(const char *str);
48 
49 FILE *prepare_output(const char *dir);
50 
51 int prepare_config(const char *path, struct config *config);
53