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Viewing changes to tools/power/cpupower/bench/benchmark.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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tools/power/cpupower/bench/benchmark.h
 
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/*  cpufreq-bench CPUFreq microbenchmark
 
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 *
 
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 *  Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; either version 2 of the License, or
 
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 *  (at your option) any later version.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
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 */
 
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/* load loop, this schould take about 1 to 2ms to complete */
 
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#define ROUNDS(x) {unsigned int rcnt;                          \
 
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                for (rcnt = 0; rcnt < x*1000; rcnt++) { \
 
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                        (void)(((int)(pow(rcnt, rcnt) * \
 
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                                      sqrt(rcnt*7230970)) ^ 7230716) ^ \
 
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                                      (int)atan2(rcnt, rcnt));         \
 
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                } }                                                     \
 
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void start_benchmark(struct config *config);