| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame] | 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; \ |
| Dominik Brodowski | 02af3cb | 2011-04-19 19:20:12 +0200 | [diff] [blame] | 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 | } } \ |
| Dominik Brodowski | 7fe2f63 | 2011-03-30 16:30:11 +0200 | [diff] [blame] | 27 | |
| 28 | |
| 29 | void start_benchmark(struct config *config); |