1 /* cpufreq-bench CPUFreq microbenchmark 2 * 3 * Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 */ 19 20 /* load loop, this schould take about 1 to 2ms to complete */ 21 #define ROUNDS(x) {unsigned int rcnt; \ 22 for (rcnt = 0; rcnt < x*1000; rcnt++) { \ 23 (void)(((int)(pow(rcnt, rcnt) * \ 24 sqrt(rcnt*7230970)) ^ 7230716) ^ \ 25 (int)atan2(rcnt, rcnt)); \ 26 } } \ 27 28 29 void start_benchmark(struct config *config); 30