102 lines
2 KiB
C++
102 lines
2 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: perf.hxx
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//
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// Contents:
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//
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// Classes:
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//
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// Functions:
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//
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// History: 10-03-94 RichardW Created
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//
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//----------------------------------------------------------------------------
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#ifdef PERF
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typedef struct _SpmPerfCounter {
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ULONGLONG Time;
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ULONGLONG TotalTime;
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DWORD Count;
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DWORD Reserved;
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} SpmPerfCounter, * PSpmPerfCounter;
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typedef struct _SpmPerfArray {
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DWORD PerfId;
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DWORD cCounters;
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SpmPerfCounter Counters[1];
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} SpmPerfArray, * PSpmPerfArray;
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#define DECLARE_PERFARRAY(x) PSpmPerfArray x;
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DWORD
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SpmPerfRegister(DWORD cCounters);
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PSpmPerfArray
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SpmPerfInstanciate(DWORD PerfId);
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VOID
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SpmPerfRelease(PVOID pvPerf,
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char * pszBanner,
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char * *ppszCounterLabels);
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VOID
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SpmPerfDump( PVOID pvPerf,
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char * pszBanner,
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char * *ppszCounterLabels);
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VOID
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SpmPerfSetFile(char * pszFile);
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__inline
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VOID
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SpmPerfBegin(
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PVOID pvPerf,
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DWORD Counter)
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{
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PSpmPerfCounter pCounter;
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PSpmPerfArray pArray;
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pArray = (PSpmPerfArray) pvPerf;
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pCounter = &pArray->Counters[Counter];
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NtQuerySystemTime((PLARGE_INTEGER) &pCounter->Time);
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}
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__inline
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VOID
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SpmPerfEnd(
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PVOID pvPerf,
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DWORD Counter)
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{
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PSpmPerfCounter pCounter;
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ULONGLONG EndTime;
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PSpmPerfArray pArray;
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pArray = (PSpmPerfArray) pvPerf;
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pCounter = &pArray->Counters[Counter];
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NtQuerySystemTime((PLARGE_INTEGER) &EndTime);
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EndTime -= pCounter->Time;
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pCounter->Time = EndTime;
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pCounter->TotalTime += EndTime;
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pCounter->Count++;
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}
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#else // Not PERF
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#define DECLARE_PERFARRAY(x)
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#define SpmPerfRegister(x) 1
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#define SpmPerfInstanciate(x) NULL
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#define SpmPerfRelease(x,y,z)
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#define SpmPerfBegin(x,y)
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#define SpmPerfEnd(x,y)
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#define SpmPerfSetFile(x)
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#endif // PERF or not to PERF
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