30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
|
/* 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);
|