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