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 */ |
8 | struct 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 | |
34 | enum sched_prio string_to_prio(const char *str); |
35 | |
36 | FILE *prepare_output(const char *dir); |
37 | |
38 | int prepare_config(const char *path, struct config *config); |
39 | struct config *prepare_default_config(); |
40 | |
41 | |