225 lines
7.7 KiB
C++
225 lines
7.7 KiB
C++
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#include <qstringlist.h>
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#include <qfile.h>
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#include <qtextstream.h>
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#include "cpustat.h"
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CpuStat::CpuStat()
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{
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lookUp( procValues );
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}
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QTime CpuStat::upTime() const
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{
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QTime t( 0, 0, 0 );
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for ( int i = 0; i < NValues; i++ )
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t = t.addSecs( int( procValues[i] / 100 ) );
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return t;
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}
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void CpuStat::statistic( double &user, double &system )
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{
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double values[NValues];
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lookUp( values );
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double userDelta = values[User] + values[Nice]
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- procValues[User] - procValues[Nice];
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double systemDelta = values[System] - procValues[System];
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double totalDelta = 0;
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for ( int i = 0; i < NValues; i++ )
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totalDelta += values[i] - procValues[i];
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user = userDelta / totalDelta * 100.0;
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system = systemDelta / totalDelta * 100.0;
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for ( int j = 0; j < NValues; j++ )
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procValues[j] = values[j];
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}
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void CpuStat::lookUp( double values[NValues] ) const
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{
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QFile file( "/proc/stat" );
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#if 1
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if ( !file.open( QIODevice::ReadOnly ) )
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#else
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if ( true )
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#endif
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{
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static double dummyValues[][NValues] =
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{
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{ 103726, 0, 23484, 819556 },
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{ 103783, 0, 23489, 819604 },
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{ 103798, 0, 23490, 819688 },
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{ 103820, 0, 23490, 819766 },
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{ 103840, 0, 23493, 819843 },
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{ 103875, 0, 23499, 819902 },
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{ 103917, 0, 23504, 819955 },
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{ 103950, 0, 23508, 820018 },
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{ 103987, 0, 23510, 820079 },
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{ 104020, 0, 23513, 820143 },
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{ 104058, 0, 23514, 820204 },
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{ 104099, 0, 23520, 820257 },
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{ 104121, 0, 23525, 820330 },
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{ 104159, 0, 23530, 820387 },
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{ 104176, 0, 23534, 820466 },
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{ 104215, 0, 23538, 820523 },
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{ 104245, 0, 23541, 820590 },
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{ 104267, 0, 23545, 820664 },
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{ 104311, 0, 23555, 820710 },
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{ 104355, 0, 23565, 820756 },
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{ 104367, 0, 23567, 820842 },
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{ 104383, 0, 23572, 820921 },
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{ 104396, 0, 23577, 821003 },
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{ 104413, 0, 23579, 821084 },
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{ 104446, 0, 23588, 821142 },
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{ 104521, 0, 23594, 821161 },
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{ 104611, 0, 23604, 821161 },
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{ 104708, 0, 23607, 821161 },
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{ 104804, 0, 23611, 821161 },
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{ 104895, 0, 23620, 821161 },
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{ 104993, 0, 23622, 821161 },
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{ 105089, 0, 23626, 821161 },
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{ 105185, 0, 23630, 821161 },
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{ 105281, 0, 23634, 821161 },
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{ 105379, 0, 23636, 821161 },
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{ 105472, 0, 23643, 821161 },
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{ 105569, 0, 23646, 821161 },
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{ 105666, 0, 23649, 821161 },
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{ 105763, 0, 23652, 821161 },
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{ 105828, 0, 23661, 821187 },
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{ 105904, 0, 23666, 821206 },
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{ 105999, 0, 23671, 821206 },
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{ 106094, 0, 23676, 821206 },
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{ 106184, 0, 23686, 821206 },
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{ 106273, 0, 23692, 821211 },
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{ 106306, 0, 23700, 821270 },
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{ 106341, 0, 23703, 821332 },
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{ 106392, 0, 23709, 821375 },
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{ 106423, 0, 23715, 821438 },
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{ 106472, 0, 23721, 821483 },
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{ 106531, 0, 23727, 821517 },
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{ 106562, 0, 23732, 821582 },
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{ 106597, 0, 23736, 821643 },
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{ 106633, 0, 23737, 821706 },
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{ 106666, 0, 23742, 821768 },
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{ 106697, 0, 23744, 821835 },
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{ 106730, 0, 23748, 821898 },
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{ 106765, 0, 23751, 821960 },
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{ 106799, 0, 23754, 822023 },
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{ 106831, 0, 23758, 822087 },
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{ 106862, 0, 23761, 822153 },
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{ 106899, 0, 23763, 822214 },
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{ 106932, 0, 23766, 822278 },
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{ 106965, 0, 23768, 822343 },
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{ 107009, 0, 23771, 822396 },
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{ 107040, 0, 23775, 822461 },
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{ 107092, 0, 23780, 822504 },
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{ 107143, 0, 23787, 822546 },
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{ 107200, 0, 23795, 822581 },
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{ 107250, 0, 23803, 822623 },
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{ 107277, 0, 23810, 822689 },
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{ 107286, 0, 23810, 822780 },
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{ 107313, 0, 23817, 822846 },
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{ 107325, 0, 23818, 822933 },
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{ 107332, 0, 23818, 823026 },
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{ 107344, 0, 23821, 823111 },
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{ 107357, 0, 23821, 823198 },
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{ 107368, 0, 23823, 823284 },
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{ 107375, 0, 23824, 823377 },
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{ 107386, 0, 23825, 823465 },
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{ 107396, 0, 23826, 823554 },
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{ 107422, 0, 23830, 823624 },
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{ 107434, 0, 23831, 823711 },
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{ 107456, 0, 23835, 823785 },
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{ 107468, 0, 23838, 823870 },
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{ 107487, 0, 23840, 823949 },
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{ 107515, 0, 23843, 824018 },
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{ 107528, 0, 23846, 824102 },
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{ 107535, 0, 23851, 824190 },
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{ 107548, 0, 23853, 824275 },
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{ 107562, 0, 23857, 824357 },
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{ 107656, 0, 23863, 824357 },
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{ 107751, 0, 23868, 824357 },
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{ 107849, 0, 23870, 824357 },
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{ 107944, 0, 23875, 824357 },
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{ 108043, 0, 23876, 824357 },
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{ 108137, 0, 23882, 824357 },
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{ 108230, 0, 23889, 824357 },
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{ 108317, 0, 23902, 824357 },
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{ 108412, 0, 23907, 824357 },
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{ 108511, 0, 23908, 824357 },
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{ 108608, 0, 23911, 824357 },
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{ 108704, 0, 23915, 824357 },
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{ 108801, 0, 23918, 824357 },
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{ 108891, 0, 23928, 824357 },
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{ 108987, 0, 23932, 824357 },
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{ 109072, 0, 23943, 824361 },
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{ 109079, 0, 23943, 824454 },
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{ 109086, 0, 23944, 824546 },
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{ 109098, 0, 23950, 824628 },
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{ 109108, 0, 23955, 824713 },
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{ 109115, 0, 23957, 824804 },
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{ 109122, 0, 23958, 824896 },
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{ 109132, 0, 23959, 824985 },
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{ 109142, 0, 23961, 825073 },
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{ 109146, 0, 23962, 825168 },
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{ 109153, 0, 23964, 825259 },
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{ 109162, 0, 23966, 825348 },
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{ 109168, 0, 23969, 825439 },
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{ 109176, 0, 23971, 825529 },
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{ 109185, 0, 23974, 825617 },
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{ 109193, 0, 23977, 825706 },
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{ 109198, 0, 23978, 825800 },
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{ 109206, 0, 23978, 825892 },
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{ 109212, 0, 23981, 825983 },
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{ 109219, 0, 23981, 826076 },
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{ 109225, 0, 23981, 826170 },
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{ 109232, 0, 23984, 826260 },
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{ 109242, 0, 23984, 826350 },
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{ 109255, 0, 23986, 826435 },
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{ 109268, 0, 23987, 826521 },
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{ 109283, 0, 23990, 826603 },
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{ 109288, 0, 23991, 826697 },
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{ 109295, 0, 23993, 826788 },
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{ 109308, 0, 23994, 826874 },
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{ 109322, 0, 24009, 826945 },
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{ 109328, 0, 24011, 827037 },
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{ 109338, 0, 24012, 827126 },
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{ 109347, 0, 24012, 827217 },
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{ 109354, 0, 24017, 827305 },
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{ 109367, 0, 24017, 827392 },
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{ 109371, 0, 24019, 827486 },
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};
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static int counter = 0;
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for ( int i = 0; i < NValues; i++ )
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values[i] = dummyValues[counter][i];
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counter = ( counter + 1 )
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% ( sizeof( dummyValues ) / sizeof( dummyValues[0] ) );
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}
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else
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{
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QTextStream textStream( &file );
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do
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{
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QString line = textStream.readLine();
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line = line.trimmed();
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if ( line.startsWith( "cpu " ) )
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{
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const QStringList valueList =
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line.split( " ", QString::SkipEmptyParts );
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if ( valueList.count() >= 5 )
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{
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for ( int i = 0; i < NValues; i++ )
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values[i] = valueList[i+1].toDouble();
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}
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break;
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}
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}
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while( !textStream.atEnd() );
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}
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}
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