| 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 | |
|---|
