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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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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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#ifndef __MEASURECPU_H__
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#define __MEASURECPU_H__
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#include "Measure.h"
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typedef struct _SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION {
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LARGE_INTEGER IdleTime;
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LARGE_INTEGER KernelTime;
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LARGE_INTEGER UserTime;
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LARGE_INTEGER Reserved1[2];
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ULONG Reserved2;
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} SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION, *PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION;
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typedef LONG (WINAPI *PROCNTQSI)(UINT,PVOID,ULONG,PULONG);
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class CMeasureCPU : public CMeasure
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{
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public:
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CMeasureCPU(CMeterWindow* meterWindow, const WCHAR* name);
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virtual ~CMeasureCPU();
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virtual void ReadConfig(CConfigParser& parser, const WCHAR* section);
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virtual bool Update();
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protected:
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void CalcUsage(double idleTime, double systemTime);
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void CalcAverageUsage(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION* systemPerfInfo);
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bool m_FirstTime;
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int m_Processor;
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double m_OldTime[2];
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static PROCNTQSI c_NtQuerySystemInformation;
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static int c_NumOfProcessors;
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static ULONG c_BufferSize;
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};
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#endif
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