1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* cpufreq-bench CPUFreq microbenchmark 1 /* cpufreq-bench CPUFreq microbenchmark
3 * 2 *
4 * Copyright (C) 2008 Christian Kornacker <ck 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.
5 */ 18 */
6 19
7 /* load loop, this schould take about 1 to 2ms 20 /* load loop, this schould take about 1 to 2ms to complete */
8 #define ROUNDS(x) {unsigned int rcnt; 21 #define ROUNDS(x) {unsigned int rcnt; \
9 for (rcnt = 0; rcnt < x*1000; 22 for (rcnt = 0; rcnt < x*1000; rcnt++) { \
10 (void)(((int)(pow(rcnt 23 (void)(((int)(pow(rcnt, rcnt) * \
11 sqrt(rcn 24 sqrt(rcnt*7230970)) ^ 7230716) ^ \
12 (int)ata 25 (int)atan2(rcnt, rcnt)); \
13 } } 26 } } \
14 27
15 28
16 void start_benchmark(struct config *config); 29 void start_benchmark(struct config *config);
17 30
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