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windows-xp/Source/XPSP1/NT/admin/wmi/wbem/winmgmt/stdprov/counters.cpp

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/*++
Copyright (C) 1995-2001 Microsoft Corporation
Module Name:
COUNTERS.CPP
Abstract:
Has the routines needed to message the counter data. Note that
this code was almost completly pilfered from the perfmon sample
code done by Robert Watson and this ensures that the answers
match what perfmon would give.
History:
a-davj 12-20-95 v0.01.
--*/
#include "precomp.h"
#include <winperf.h>
#include "perfcach.h" // Exported declarations for this file
#define INVERT PERF_COUNTER_TIMER_INV
#define NS100_INVERT PERF_100NSEC_TIMER_INV
#define NS100 PERF_100NSEC_TIMER
#define TIMER_MULTI PERF_COUNTER_MULTI_TIMER
#define TIMER_MULTI_INVERT PERF_COUNTER_MULTI_TIMER_INV
#define NS100_MULTI PERF_100NSEC_MULTI_TIMER
#define NS100_MULTI_INVERT PERF_100NSEC_MULTI_TIMER_INV
#define FRACTION 1
#define BULK 1
#define TOO_BIG (FLOAT)1500000000
#pragma optimize("", off)
//***************************************************************************
// FLOAT eGetTimeInterval
//
// DESCRIPTION:
//
// Get the difference between the current and previous time counts,
// then divide by the frequency.
//
// PARAMETERS:
//
// pCurrentTime current time in ticks.
// pPreviousTime previous time in ticks.
// pliFreq # of counts (clock ticks) per second
//
// RETURN VALUE:
//
// Floating point representation of Time Interval (seconds), 0.0 if error
//***************************************************************************
FLOAT eGetTimeInterval(
IN LONGLONG *pliCurrentTime,
IN LONGLONG *pliPreviousTime,
IN LONGLONG *pliFreq)
{
FLOAT eTimeDifference;
FLOAT eFreq;
FLOAT eTimeInterval ;
LONGLONG liDifference;
// Get the number of counts that have occured since the last sample
liDifference = *pliCurrentTime - *pliPreviousTime;
if (liDifference <= (LONGLONG)0)
{
return (FLOAT) 0.0f;
}
else
{
eTimeDifference = (FLOAT)liDifference;
// Get the counts per second
eFreq = (FLOAT)(*pliFreq) ;
if (eFreq <= 0.0f)
return (FLOAT) 0.0f;
// Get the time since the last sample.
eTimeInterval = eTimeDifference / eFreq ;
return (eTimeInterval) ;
}
} // eGetTimeInterval
//***************************************************************************
// FLOAT Counter_Counter_Common
//
// DESCRIPTION:
//
// Take the difference between the current and previous counts
// then divide by the time interval
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
//
// iType Counter Type
//
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Counter_Common(
IN PLINESTRUCT pLineStruct,
IN INT iType)
{
FLOAT eTimeInterval;
FLOAT eDifference;
FLOAT eCount ;
BOOL bValueDrop = FALSE ;
LONGLONG liDifference;
if (iType != BULK)
{
// check if it is too big to be a wrap-around case
if (pLineStruct->lnaCounterValue[0] <
pLineStruct->lnaOldCounterValue[0])
{
if (pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0] > (DWORD)0x00ffff0000)
{
return (FLOAT) 0.0f;
}
bValueDrop = TRUE ;
}
liDifference = pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0];
liDifference &= (DWORD)(0x0ffffffff);
}
else
{
liDifference = pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0];
}
if (liDifference <= (LONGLONG) 0)
{
return (FLOAT) 0.0f;
}
else
{
eTimeInterval = eGetTimeInterval(&pLineStruct->lnNewTime,
&pLineStruct->lnOldTime,
&pLineStruct->lnPerfFreq) ;
if (eTimeInterval <= 0.0f)
{
return (FLOAT) 0.0f;
}
else
{
eDifference = (FLOAT)(liDifference);
eCount = eDifference / eTimeInterval ;
if (bValueDrop && eCount > (FLOAT) TOO_BIG)
{
// ignore this bogus data since it is too big for
// the wrap-around case
eCount = (FLOAT) 0.0f ;
}
return(eCount) ;
}
}
} // Counter_Counter_Common
//***************************************************************************
// FLOAT Counter_Queuelen
//
// DESCRIPTION:
//
// Calculates queue lengths.
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
//
// bLarge TRUE if type LARGE
//
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Queuelen(IN PLINESTRUCT pLineStruct, IN BOOL bLarge, IN BOOL b100NS)
{
FLOAT eTimeInterval;
FLOAT eDifference;
FLOAT eCount ;
BOOL bValueDrop = FALSE ;
LONGLONG liDifference;
if (!bLarge)
{
// check if it is too big to be a wrap-around case
if (pLineStruct->lnaCounterValue[0] <
pLineStruct->lnaOldCounterValue[0])
{
if (pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0] > (DWORD)0x00ffff0000)
{
return (FLOAT) 0.0f;
}
bValueDrop = TRUE ;
}
liDifference = pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0];
liDifference &= (DWORD)(0x0ffffffff);
}
else
{
liDifference = pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0];
}
if (liDifference <= (LONGLONG) 0)
{
return (FLOAT) 0.0f;
}
eDifference = (float)liDifference;
if(b100NS)
eTimeInterval = pLineStruct->lnNewTime100Ns - pLineStruct->lnOldTime100Ns;
else
eTimeInterval = pLineStruct->lnNewTime - pLineStruct->lnOldTime;
if (eTimeInterval <= 0.0f)
{
return (FLOAT) 0.0f;
}
eCount = eDifference / eTimeInterval ;
return(eCount) ;
}
//***************************************************************************
// FLOAT Counter_Average_Timer
//
// DESCRIPTION:
//
// Take the differences between the current and previous times and counts
// divide the time interval by the counts multiply by 10,000,000 (convert
// from 100 nsec to sec)
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Average_Timer(
IN PLINESTRUCT pLineStruct)
{
FLOAT eTimeInterval;
FLOAT eCount;
LONGLONG liDifference;
// Get the current and previous counts.
liDifference = (DWORD)pLineStruct->lnaCounterValue[1] -
(DWORD)pLineStruct->lnaOldCounterValue[1];
if ( liDifference <= 0)
{
return (FLOAT) 0.0f;
}
else
{
// Get the amount of time that has passed since the last sample
eTimeInterval = eGetTimeInterval(&pLineStruct->lnaCounterValue[0],
&pLineStruct->lnaOldCounterValue[0],
&pLineStruct->lnPerfFreq) ;
if (eTimeInterval < 0.0f)
{ // return 0 if negative time has passed
return (0.0f);
}
else
{
// Get the number of counts in this time interval.
eCount = eTimeInterval / ((FLOAT)liDifference);
return(eCount) ;
}
}
} //Counter_Average_Timer
//***************************************************************************
// FLOAT Counter_Average_Bulk
//
// DESCRIPTION:
//
// Take the differences between the current and previous byte counts and
// operation counts divide the bulk count by the operation counts
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Average_Bulk(
IN PLINESTRUCT pLineStruct)
{
FLOAT eBulkDelta;
FLOAT eDifference;
FLOAT eCount;
LONGLONG liDifference;
LONGLONG liBulkDelta;
// Get the bulk count increment since the last sample
liBulkDelta = pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0];
if (liBulkDelta <= (LONGLONG) 0)
{
return (FLOAT) 0.0f;
}
else
{
// Get the current and previous counts.
liDifference = (DWORD)pLineStruct->lnaCounterValue[1] -
(DWORD) pLineStruct->lnaOldCounterValue[1];
liDifference &= (DWORD) (0x0ffffffff);
// Get the number of counts in this time interval.
if ( liDifference <= (LONGLONG) 0)
{
// Counter value invalid
return (FLOAT) 0.0f;
}
else
{
eBulkDelta = (FLOAT) (liBulkDelta);
eDifference = (FLOAT) (liDifference);
eCount = eBulkDelta / eDifference ;
// Scale the value to up to 1 second
return(eCount) ;
}
}
} // Counter_Average_Bulk
//***************************************************************************
// FLOAT Counter_Timer_Common
//
// DESCRIPTION:
//
// Take the difference between the current and previous counts,
// Normalize the count (counts per interval)
// divide by the time interval (count = % of interval)
// if (invert)
// subtract from 1 (the normalized size of an interval)
// multiply by 100 (convert to a percentage)
// this value from 100.
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
// iType Counter Type
//
// RETURN VALUE:
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Timer_Common(
IN PLINESTRUCT pLineStruct,
IN INT iType)
{
FLOAT eTimeInterval;
FLOAT eDifference;
FLOAT eFreq;
FLOAT eFraction;
FLOAT eMultiBase;
FLOAT eCount ;
LONGLONG liTimeInterval;
LONGLONG liDifference;
// Get the amount of time that has passed since the last sample
if (iType == NS100 ||
iType == NS100_INVERT ||
iType == NS100_MULTI ||
iType == NS100_MULTI_INVERT)
{
liTimeInterval = pLineStruct->lnNewTime100Ns -
pLineStruct->lnOldTime100Ns ;
eTimeInterval = (FLOAT) (liTimeInterval);
}
else
{
eTimeInterval = eGetTimeInterval(&pLineStruct->lnNewTime,
&pLineStruct->lnOldTime,
&pLineStruct->lnPerfFreq) ;
}
if (eTimeInterval <= 0.0f)
return (FLOAT) 0.0f;
// Get the current and previous counts.
liDifference = pLineStruct->lnaCounterValue[0] -
pLineStruct->lnaOldCounterValue[0] ;
// Get the number of counts in this time interval.
// (1, 2, 3 or any number of seconds could have gone by since
// the last sample)
eDifference = (FLOAT) (liDifference) ;
if (iType == 0 || iType == INVERT)
{
// Get the counts per interval (second)
eFreq = (FLOAT) (pLineStruct->lnPerfFreq) ;
if (eFreq <= 0.0f)
return (FLOAT) 0.0f;
// Calculate the fraction of the counts that are used by whatever
// we are measuring
eFraction = eDifference / eFreq ;
}
else
{
eFraction = eDifference ;
}
// Calculate the fraction of time used by what were measuring.
eCount = eFraction / eTimeInterval ;
// If this is an inverted count take care of the inversion.
if (iType == INVERT || iType == NS100_INVERT)
eCount = (FLOAT) 1.0 - eCount ;
// Do extra calculation for multi timers.
if(iType == TIMER_MULTI || iType == NS100_MULTI ||
iType == TIMER_MULTI_INVERT || iType == NS100_MULTI_INVERT)
{
eMultiBase = (float)pLineStruct->lnaCounterValue[1];
if(eMultiBase == 0.0)
return 0.0f;
if (iType == TIMER_MULTI_INVERT || iType == NS100_MULTI_INVERT)
eCount = eMultiBase - eCount;
eCount /= eMultiBase;
}
// Scale the value to up to 100.
eCount *= 100.0f ;
if (eCount < 0.0f) eCount = 0.0f ;
if (eCount > 100.0f &&
iType != NS100_MULTI &&
iType != NS100_MULTI_INVERT &&
iType != TIMER_MULTI &&
iType != TIMER_MULTI_INVERT)
{
eCount = 100.0f;
}
return(eCount) ;
} // Counter_Timer_Common
//***************************************************************************
// FLOAT Counter_Raw_Fraction
//
// DESCRIPTION:
//
// Evaluate a raw fraction (no time, just two values: Numerator and
// Denominator) and multiply by 100 (to make a percentage;
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
//
// RETURN VALUE:
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Raw_Fraction(
IN PLINESTRUCT pLineStruct)
{
FLOAT eCount ;
LONGLONG liNumerator;
if ( pLineStruct->lnaCounterValue[0] == 0 ||
pLineStruct->lnaCounterValue[1] == 0 )
{
// invalid value
return (0.0f);
}
else
{
liNumerator = pLineStruct->lnaCounterValue[0] * 100;
eCount = ((FLOAT) (liNumerator)) /
((FLOAT) pLineStruct->lnaCounterValue[1]);
return(eCount) ;
}
} // Counter_Raw_Fraction
//***************************************************************************
// FLOAT eElapsedTime
//
// DESCRIPTION:
//
// Converts 100NS elapsed time to fractional seconds
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
// iType Unused.
//
// RETURN VALUE:
//
// Floating point representation of elapsed time in seconds, 0.0 if error
//***************************************************************************
FLOAT eElapsedTime(
IN PLINESTRUCT pLineStruct,
IN INT iType)
{
FLOAT eSeconds ;
LONGLONG liDifference;
if (pLineStruct->lnaCounterValue[0] <= (LONGLONG) 0)
{
// no data [start time = 0] so return 0
return (FLOAT) 0.0f;
}
else
{
LONGLONG PerfFreq;
PerfFreq = *(LONGLONG UNALIGNED *)(&pLineStruct->ObjPerfFreq) ;
// otherwise compute difference between current time and start time
liDifference =
pLineStruct->ObjCounterTimeNew - pLineStruct->lnaCounterValue[0];
if (liDifference <= (LONGLONG) 0 ||
PerfFreq <= 0)
{
return (FLOAT) 0.0f;
}
else
{
// convert to fractional seconds using object counter
eSeconds = ((FLOAT) (liDifference)) /
((FLOAT) (PerfFreq));
return (eSeconds);
}
}
} // eElapsedTime
//***************************************************************************
// FLOAT Sample_Common
//
// DESCRIPTION:
//
// Divides "Top" differenced by Base Difference
//
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
// iType Counter Type
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Sample_Common(
IN PLINESTRUCT pLineStruct,
IN INT iType)
{
FLOAT eCount ;
LONG lDifference;
LONG lBaseDifference;
lDifference = (DWORD)pLineStruct->lnaCounterValue[0] -
(DWORD)pLineStruct->lnaOldCounterValue[0] ;
lDifference &= (DWORD) (0x0ffffffff);
if (lDifference <= 0)
{
return (FLOAT) 0.0f;
}
else
{
lBaseDifference = (DWORD)pLineStruct->lnaCounterValue[1] -
(DWORD)pLineStruct->lnaOldCounterValue[1] ;
if ( lBaseDifference <= 0 )
{
// invalid value
return (0.0f);
}
else
{
eCount = ((FLOAT)lDifference) / ((FLOAT)lBaseDifference) ;
if (iType == FRACTION)
{
eCount *= (FLOAT) 100.0f ;
}
return(eCount) ;
}
}
} // Sample_Common
//***************************************************************************
//
// FLOAT Counter_Delta
//
// DESCRIPTION:
//
// Take the difference between the current and previous counts,
// PARAMETERS:
//
// pLineStruct Line structure containing data to perform computations on
// bLargeData true if data is large
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
//***************************************************************************
FLOAT Counter_Delta(PLINESTRUCT pLineStruct, BOOL bLargeData)
{
FLOAT eDifference;
LONGLONG llDifference;
ULONGLONG ullThisValue, ullPrevValue;
// Get the current and previous counts.
if (!bLargeData) {
// then clear the high part of the word
ullThisValue = (ULONGLONG)pLineStruct->lnaCounterValue[0];
ullPrevValue = (ULONGLONG)pLineStruct->lnaOldCounterValue[0];
} else {
ullThisValue = (ULONGLONG)pLineStruct->lnaCounterValue[0];
ullPrevValue = (ULONGLONG)pLineStruct->lnaOldCounterValue[0];
}
if (ullThisValue > ullPrevValue) {
llDifference = (LONGLONG)(ullThisValue - ullPrevValue);
eDifference = (FLOAT)llDifference;
} else {
// the new value is smaller than or equal to the old value
// and negative numbers are not allowed.
eDifference = 0.0f;
}
return(eDifference) ;
}
//***************************************************************************
// FLOAT GenericConv
//
// DESCRIPTION:
//
// This handles the data types which the perf monitor doesnt currently
// handle and does so by simply using the "formulas" indicated by the
// bit fields in the counter's type.
//
// PARAMETERS:
//
// pLine Line structure containing data to perform computations on
//
// RETURN VALUE:
//
// Floating point representation of outcome
//***************************************************************************
FLOAT GenericConv(
IN PLINESTRUCT pLine)
{
FLOAT fRet = 0.0f; // default if nothing makes sense
// extract the various bit fields as defined in winperf.h
DWORD PerfType = pLine->lnCounterType & 0x00000c00;
DWORD SubType = pLine->lnCounterType & 0x000f0000;
DWORD CalcMod = pLine->lnCounterType & 0x0fc00000;
DWORD TimerType=pLine->lnCounterType & 0x00300000;
DWORD Display = pLine->lnCounterType & 0xf0000000;
DWORD dwSize = pLine->lnCounterType & 0x00000300;
if(PerfType == PERF_TYPE_NUMBER)
{
// For simple number the calculation is fairly simple and only
// involves a possible division by 1000
fRet = (FLOAT)pLine->lnaCounterValue[0];
if(SubType == PERF_NUMBER_DEC_1000)
fRet /= 1000.0f;
}
else if(PerfType == PERF_TYPE_COUNTER)
{
FLOAT eTimeDelta;
FLOAT eDataDelta;
FLOAT eBaseDelta;
if(SubType == PERF_COUNTER_RATE || SubType ==PERF_COUNTER_QUEUELEN)
{
// Need the delta time. The data used for time delta is
// indicated by a subfield.
if(TimerType == PERF_TIMER_TICK)
eTimeDelta = (((float)pLine->lnNewTime) - pLine->lnOldTime)/
((float)pLine->lnPerfFreq);
else if(TimerType == PERF_TIMER_100NS)
eTimeDelta = ((float)pLine->lnNewTime100Ns) - pLine->lnOldTime100Ns;
else
eTimeDelta = ((float)pLine->ObjCounterTimeNew -
pLine->ObjCounterTimeOld) / ((float)pLine->ObjPerfFreq);
if(eTimeDelta == 0.0f) // shouldnt happen, but delta can end
return 0.0f; // up as a denominator.
}
if(SubType == PERF_COUNTER_FRACTION)
{
// The base value is going to be used as the denominator.
if(CalcMod & PERF_DELTA_BASE)
eBaseDelta = (float)pLine->lnaCounterValue[1] -
pLine->lnaOldCounterValue[1];
else
eBaseDelta = (float)pLine->lnaCounterValue[1];
if(eBaseDelta == 0.0f) // shouldnt happen, but delta can end
return 0.0f; // up as a denominator.
}
// Get the deta data value.
if(CalcMod & PERF_DELTA_COUNTER)
eDataDelta = (FLOAT)(pLine->lnaCounterValue[0] -
pLine->lnaOldCounterValue[0]);
else
eDataDelta = (FLOAT)pLine->lnaCounterValue[0];
// Apply the appropriate formula
switch(SubType)
{
case PERF_COUNTER_VALUE:
fRet = eDataDelta;
break;
case PERF_COUNTER_RATE:
fRet = eDataDelta / eTimeDelta;
break;
case PERF_COUNTER_FRACTION:
fRet = ((FLOAT)eDataDelta)/eBaseDelta;
break;
case PERF_COUNTER_ELAPSED:
if(TimerType == PERF_OBJECT_TIMER)
fRet = ((float)pLine->ObjCounterTimeNew - pLine->lnaCounterValue[0]) /
((float)pLine->ObjPerfFreq);
else if(TimerType == PERF_TIMER_TICK)
fRet = ((float)pLine->lnNewTime - pLine->lnaCounterValue[0]) /
((float)pLine->lnPerfFreq);
else
fRet = (((float)pLine->lnNewTime100Ns) - pLine->lnaCounterValue[0]);
break;
case PERF_COUNTER_QUEUELEN:
fRet = (FLOAT)pLine->lnaCounterValue[0];
fRet = (fRet + (pLine->lnNewTime *pLine->lnaCounterValue[1]))/
eTimeDelta;
break;
default:
fRet = (FLOAT)pLine->lnaCounterValue[0];
}
// Apply the final modifiers for "counters"
if(CalcMod & PERF_INVERSE_COUNTER)
fRet = 1.0f - fRet;
if(Display == PERF_DISPLAY_PERCENT)
fRet *= 100.0f;
}
return fRet;
}
// ***************************************************************************
// FLOAT CounterEntry
//
// DESCRIPTION:
//
// Main routine for converting perf data. In general this routine is
// just a swither for the actual routines that do the conversion.
//
// PARAMETERS:
//
// pLine Line structure containing data to perform computations on
//
// RETURN VALUE:
//
// Floating point representation of outcome, 0.0 if error
// ***************************************************************************
FLOAT CounterEntry (
IN PLINESTRUCT pLine)
{
switch (pLine->lnCounterType)
{
case PERF_COUNTER_COUNTER:
return Counter_Counter_Common(pLine, 0);
case PERF_COUNTER_TIMER:
case PERF_PRECISION_SYSTEM_TIMER:
return Counter_Timer_Common(pLine, 0);
case PERF_COUNTER_BULK_COUNT:
return Counter_Counter_Common(pLine, BULK);
case PERF_COUNTER_TEXT:
return 0.0f;
case PERF_COUNTER_RAWCOUNT:
case PERF_COUNTER_RAWCOUNT_HEX:
return (FLOAT) ((DWORD) (pLine->lnaCounterValue[0]));
case PERF_COUNTER_LARGE_RAWCOUNT:
case PERF_COUNTER_LARGE_RAWCOUNT_HEX:
return (FLOAT) (pLine->lnaCounterValue[0]);
case PERF_SAMPLE_FRACTION:
return Sample_Common(pLine, FRACTION);
case PERF_SAMPLE_COUNTER:
return Sample_Common(pLine, 0);
case PERF_COUNTER_NODATA:
return 0.0f;
case PERF_COUNTER_TIMER_INV:
return Counter_Timer_Common(pLine, INVERT);
case PERF_RAW_BASE:
// case PERF_SAMPLE_BASE:
// case PERF_AVERAGE_BASE:
return 0.0f;
case PERF_AVERAGE_TIMER:
return Counter_Average_Timer(pLine);
case PERF_AVERAGE_BULK:
return Counter_Average_Bulk (pLine);
case PERF_100NSEC_TIMER:
case PERF_PRECISION_100NS_TIMER:
return Counter_Timer_Common(pLine, NS100);
case PERF_100NSEC_TIMER_INV:
return Counter_Timer_Common(pLine, NS100_INVERT);
case PERF_COUNTER_MULTI_TIMER:
return Counter_Timer_Common(pLine, TIMER_MULTI);
case PERF_COUNTER_MULTI_TIMER_INV:
return Counter_Timer_Common(pLine, TIMER_MULTI_INVERT);
case PERF_COUNTER_MULTI_BASE:
return 0.0f;
case PERF_100NSEC_MULTI_TIMER:
return Counter_Timer_Common(pLine, NS100_MULTI);
case PERF_100NSEC_MULTI_TIMER_INV:
return Counter_Timer_Common(pLine, NS100_MULTI_INVERT);
case PERF_COUNTER_LARGE_QUEUELEN_TYPE:
return Counter_Queuelen(pLine, TRUE, FALSE);
case PERF_COUNTER_100NS_QUEUELEN_TYPE:
return Counter_Queuelen(pLine, TRUE, TRUE);
case PERF_COUNTER_QUEUELEN_TYPE:
return Counter_Queuelen(pLine, FALSE, FALSE);
case PERF_RAW_FRACTION:
case PERF_LARGE_RAW_FRACTION:
return Counter_Raw_Fraction (pLine);
case PERF_COUNTER_DELTA:
return Counter_Delta(pLine, FALSE);
case PERF_COUNTER_LARGE_DELTA:
return Counter_Delta(pLine, TRUE);
case PERF_ELAPSED_TIME:
return eElapsedTime (pLine, 0);
default:
return GenericConv (pLine);
}
}