diff options
Diffstat (limited to 'tools/power/cpupower/bench/benchmark.h')
-rw-r--r-- | tools/power/cpupower/bench/benchmark.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tools/power/cpupower/bench/benchmark.h b/tools/power/cpupower/bench/benchmark.h new file mode 100644 index 000000000000..51d7f50ac2bb --- /dev/null +++ b/tools/power/cpupower/bench/benchmark.h | |||
@@ -0,0 +1,29 @@ | |||
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); | ||