/* 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();