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40 lines
1.2 KiB
40 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* cpufreq-bench CPUFreq microbenchmark |
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* |
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* Copyright (C) 2008 Christian Kornacker <[email protected]> |
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*/ |
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/* struct that holds the required config parameters */ |
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struct config |
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{ |
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long sleep; /* sleep time in µs */ |
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long load; /* load time in µs */ |
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long sleep_step; /* time value which changes the |
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* sleep time after every round in µs */ |
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long load_step; /* time value which changes the |
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* load time after every round in µs */ |
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unsigned int cycles; /* calculation cycles with the same sleep/load time */ |
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unsigned int rounds; /* calculation rounds with iterated sleep/load time */ |
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unsigned int cpu; /* cpu for which the affinity is set */ |
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char governor[15]; /* cpufreq governor */ |
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enum sched_prio /* possible scheduler priorities */ |
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{ |
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SCHED_ERR = -1, |
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SCHED_HIGH, |
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SCHED_DEFAULT, |
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SCHED_LOW |
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} prio; |
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unsigned int verbose; /* verbose output */ |
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FILE *output; /* logfile */ |
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char *output_filename; /* logfile name, must be freed at the end |
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if output != NULL and output != stdout*/ |
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}; |
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enum sched_prio string_to_prio(const char *str); |
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FILE *prepare_output(const char *dir); |
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int prepare_config(const char *path, struct config *config); |
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struct config *prepare_default_config(); |
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