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