162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* cpufreq-bench CPUFreq microbenchmark 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci/* load loop, this schould take about 1 to 2ms to complete */ 862306a36Sopenharmony_ci#define ROUNDS(x) {unsigned int rcnt; \ 962306a36Sopenharmony_ci for (rcnt = 0; rcnt < x*1000; rcnt++) { \ 1062306a36Sopenharmony_ci (void)(((int)(pow(rcnt, rcnt) * \ 1162306a36Sopenharmony_ci sqrt(rcnt*7230970)) ^ 7230716) ^ \ 1262306a36Sopenharmony_ci (int)atan2(rcnt, rcnt)); \ 1362306a36Sopenharmony_ci } } \ 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_civoid start_benchmark(struct config *config); 17