src/testlib/qbenchmarkmeasurement.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtTest module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "QtTest/private/qbenchmarkmeasurement_p.h"
       
    43 #include "QtTest/private/qbenchmark_p.h"
       
    44 #include <qdebug.h>
       
    45 
       
    46 QT_BEGIN_NAMESPACE
       
    47 
       
    48 // QBenchmarkTimeMeasurer implementation
       
    49 
       
    50 void QBenchmarkTimeMeasurer::start()
       
    51 {
       
    52     time.start();
       
    53 }
       
    54 
       
    55 qint64 QBenchmarkTimeMeasurer::checkpoint()
       
    56 {
       
    57     return time.elapsed();
       
    58 }
       
    59 
       
    60 qint64 QBenchmarkTimeMeasurer::stop()
       
    61 {	
       
    62     return time.elapsed();
       
    63 }
       
    64 
       
    65 bool QBenchmarkTimeMeasurer::isMeasurementAccepted(qint64 measurement)
       
    66 {
       
    67     return (measurement > 20);
       
    68 }
       
    69 
       
    70 int QBenchmarkTimeMeasurer::adjustIterationCount(int suggestion)
       
    71 { 
       
    72     return suggestion; 
       
    73 }
       
    74 
       
    75 int QBenchmarkTimeMeasurer::adjustMedianCount(int)
       
    76 { 
       
    77     return 1; 
       
    78 }
       
    79 
       
    80 QString QBenchmarkTimeMeasurer::unitText()
       
    81 {
       
    82     return QLatin1String("msec");
       
    83 }
       
    84 
       
    85 QString QBenchmarkTimeMeasurer::metricText()
       
    86 {
       
    87     return QLatin1String("walltime");
       
    88 }
       
    89 
       
    90 #ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
       
    91 
       
    92 void QBenchmarkTickMeasurer::start()
       
    93 {
       
    94     startTicks = getticks();
       
    95 }
       
    96 
       
    97 qint64 QBenchmarkTickMeasurer::checkpoint()
       
    98 {
       
    99     CycleCounterTicks now = getticks();
       
   100     return qRound64(elapsed(now, startTicks));
       
   101 }
       
   102 
       
   103 qint64 QBenchmarkTickMeasurer::stop()
       
   104 {
       
   105     CycleCounterTicks now = getticks();
       
   106     return qRound64(elapsed(now, startTicks));
       
   107 }
       
   108 
       
   109 bool QBenchmarkTickMeasurer::isMeasurementAccepted(qint64)
       
   110 {
       
   111     return true;
       
   112 }
       
   113 
       
   114 int QBenchmarkTickMeasurer::adjustIterationCount(int)
       
   115 { 
       
   116     return 1; 
       
   117 }
       
   118 
       
   119 int QBenchmarkTickMeasurer::adjustMedianCount(int)
       
   120 { 
       
   121     return 1; 
       
   122 }
       
   123 
       
   124 bool QBenchmarkTickMeasurer::needsWarmupIteration()
       
   125 { 
       
   126     return true; 
       
   127 }
       
   128 
       
   129 QString QBenchmarkTickMeasurer::unitText()
       
   130 {
       
   131     return QLatin1String("ticks");
       
   132 }
       
   133 
       
   134 QString QBenchmarkTickMeasurer::metricText()
       
   135 {
       
   136     return QLatin1String("cputicks");
       
   137 }
       
   138 
       
   139 #endif
       
   140 
       
   141 
       
   142 QT_END_NAMESPACE