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71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
#pragma once
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#include "rbx/boost.hpp"
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#include "util/ScopedSingleton.h"
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#if defined(_WIN32) && !defined(RBX_PLATFORM_DURANGO)
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#include <pdh.h>
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class CQuery
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{
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HQUERY handle;
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public:
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CQuery(HQUERY handle):handle(handle)
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{
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}
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CQuery():handle(0)
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{
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}
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HQUERY* operator&() { return &handle; }
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operator HQUERY() const { return handle; }
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~CQuery()
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{
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PdhCloseQuery(handle);
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}
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};
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class PerfCounter
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{
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protected:
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PerfCounter();
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CQuery hQuery;
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static void GetData2(HCOUNTER counter, long& result);
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static void GetData2(HCOUNTER counter, double& result);
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public:
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void CollectData();
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};
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class CProcessPerfCounter : public PerfCounter, public RBX::ScopedSingleton<CProcessPerfCounter>
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{
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public:
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CProcessPerfCounter();
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CProcessPerfCounter(int pid);
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// The number of cores used by the process
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double GetProcessCores();
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double GetElapsedTime() { double result; PerfCounter::GetData2(elapsedTimeCounter, result); return result; }
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long GetTotalProcessorTime() { long result; PerfCounter::GetData2(totalProcessorTimeCounter, result); return result; }
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long GetProcessorTime() { long result; PerfCounter::GetData2(processorTimeCounter, result); return result; }
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long GetPrivateBytes() { long result; PerfCounter::GetData2(privateBytesCounter, result); return result; }
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long GetPageFaultsPerSecond() { long result; PerfCounter::GetData2(pageFaultsPerSecondCounter, result); return result; }
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long GetPageFileBytes() { long result; PerfCounter::GetData2(pageFileBytesCounter, result); return result; }
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long GetVirtualBytes() { long result; PerfCounter::GetData2(virtualBytesCounter, result); return result; }
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long GetPrivateWorkingSetBytes() { long result; PerfCounter::GetData2(workingSetPrivateCounter, result); return result; }
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private:
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unsigned int numCores;
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SYSTEM_INFO systemInfo;
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HCOUNTER elapsedTimeCounter;
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HCOUNTER totalProcessorTimeCounter;
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HCOUNTER processorTimeCounter;
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HCOUNTER privateBytesCounter;
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HCOUNTER pageFaultsPerSecondCounter;
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HCOUNTER pageFileBytesCounter;
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HCOUNTER virtualBytesCounter;
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HCOUNTER workingSetPrivateCounter;
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void init(int pid);
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};
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#endif
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