Added profiler support

Fixed memory leak and CTD with editor summary info
Added extra VS2K5 property pages for debug support


git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@1528 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
Overhaul
2007-10-20 06:56:34 +00:00
parent b43ec593fe
commit ea68cd14ff
8 changed files with 620 additions and 21 deletions
+60 -18
View File
@@ -95,7 +95,7 @@ INT32 giCurrentViewLevel = ALL_LEVELS_MASK;
BOOLEAN gbSectorLevels[16][16];
BOOLEAN gfGlobalSummaryLoaded = FALSE;
SUMMARYFILE *gpSectorSummary[16][16][8];
SUMMARYFILE *gpSectorSummary[16][16][8] = {};
SUMMARYFILE *gpCurrentSectorSummary;
MOUSE_REGION MapRegion;
@@ -2419,6 +2419,8 @@ void LoadGlobalSummary()
if( gfMustForceUpdateAllMaps )
{
OutputDebugString( (LPCSTR)String( "A MAJOR MAP UPDATE EVENT HAS BEEN DETECTED FOR %d MAPS!!!!.\n", gusNumberOfMapsToBeForceUpdated ) );
//ADB update it!
ApologizeOverrideAndForceUpdateEverything();
}
@@ -2503,6 +2505,11 @@ void WriteSectorSummaryUpdate( STR8 puiFilename, UINT8 ubLevel, SUMMARYFILE *pSu
else
x = (puiFilename[ 1 ] - '0') * 10 + puiFilename[ 2 ] - '0' - 1;
if( gpSectorSummary[x][y][ubLevel] )
{
MemFree( gpSectorSummary[x][y][ubLevel] );
gpSectorSummary[x][y][ubLevel] = NULL;
}
gpSectorSummary[x][y][ubLevel] = pSummaryFileInfo;
// Snap: Restore the data directory once we are finished.
@@ -2568,6 +2575,9 @@ void LoadSummary( STR8 pSector, UINT8 ubLevel, FLOAT dMajorMapVersion )
if( !fp )
{
gusNumEntriesWithOutdatedOrNoSummaryInfo++;
//ADB don't forget that these might need to be updated!!!
gusNumberOfMapsToBeForceUpdated++;
gfMustForceUpdateAllMaps = TRUE;
return;
}
fread( &temp, 1, sizeof( SUMMARYFILE ), fp );
@@ -2731,16 +2741,23 @@ void SummaryUpdateCallback( GUI_BUTTON *btn, INT32 reason )
SetProgressBarTitle( 0, L"Generating map summary", BLOCKFONT2, FONT_RED, FONT_NEARBLACK );
SetProgressBarMsgAttributes( 0, SMALLCOMPFONT, FONT_BLACK, FONT_BLACK );
#if 0
// 0verhaul: This should NOT be freed. An array index can be freed when it is recalculated,
// as this function is about to do. And then it SHOULD be freed first, which it wasn't doing.
// Either way, using this pointer is not a safe way to free the current sector's summary data.
if( gpCurrentSectorSummary )
{
MemFree( gpCurrentSectorSummary );
gpCurrentSectorSummary = NULL;
}
#endif
sprintf( str, "%c%d", gsSelSectorY + 'A' - 1, gsSelSectorX );
EvaluateWorld( str, (UINT8)giCurrLevel );
gpSectorSummary[ gsSelSectorX ][ gsSelSectorY ][ giCurrLevel ] = gpCurrentSectorSummary;
// ADB: The current sector summary should be set to the array value, not the other way around.
// Also the sector X and Y values are 1-based and the array is 0-based. So subtract 1 from X and Y
gpCurrentSectorSummary = gpSectorSummary[ gsSelSectorX - 1][ gsSelSectorY - 1][ giCurrLevel ];
gfRenderSummary = TRUE;
@@ -2765,7 +2782,7 @@ void ExtractTempFilename()
void ApologizeOverrideAndForceUpdateEverything()
{
INT32 x, y;
CHAR16 str[ 50 ];
CHAR16 str[ 128 ];
CHAR8 name[50];
SUMMARYFILE *pSF;
//Create one huge assed button
@@ -2883,7 +2900,8 @@ void ApologizeOverrideAndForceUpdateEverything()
}
}
EvaluateWorld( "p3_m.dat", 0 );
// ADB: The call to EvaluateWorld does not use the .dat extension
EvaluateWorld( "p3_m", 0 );
RemoveProgressBar( 2 );
gfUpdatingNow = FALSE;
@@ -2933,7 +2951,6 @@ void SetupItemDetailsMode( BOOLEAN fAllowRecursion )
if( gpCurrentSectorSummary->ubSummaryVersion == GLOBAL_SUMMARY_VERSION )
gusNumEntriesWithOutdatedOrNoSummaryInfo++;
SummaryUpdateCallback( ButtonList[ iSummaryButton[ SUMMARY_UPDATE ] ], MSYS_CALLBACK_REASON_LBUTTON_UP );
gpCurrentSectorSummary = gpSectorSummary[ gsSelSectorX - 1 ][ gsSelSectorY - 1 ][ giCurrLevel ];
}
//Open the original map for the sector
sprintf( szFilename, "MAPS\\%S", gszFilename );
@@ -2942,21 +2959,28 @@ void SetupItemDetailsMode( BOOLEAN fAllowRecursion )
{ //The file couldn't be found!
return;
}
//Now fileseek directly to the file position where the number of world items are stored
if( !FileSeek( hfile, gpCurrentSectorSummary->uiNumItemsPosition, FILE_SEEK_FROM_START ) )
{ //Position couldn't be found!
FileClose( hfile );
return;
}
//Now load the number of world items from the map.
FileRead( hfile, &uiNumItems, 4, &uiNumBytesRead );
if( uiNumBytesRead != 4 )
{ //Invalid situation.
FileClose( hfile );
return;
// ADB: The uiNumItemsPosition may be 0 here due to the recursion further down.
// If so, skip the read
uiNumItems = 0;
if (gpCurrentSectorSummary->uiNumItemsPosition)
{
//Now fileseek directly to the file position where the number of world items are stored
if( !FileSeek( hfile, gpCurrentSectorSummary->uiNumItemsPosition, FILE_SEEK_FROM_START ) )
{ //Position couldn't be found!
FileClose( hfile );
return;
}
//Now load the number of world items from the map.
FileRead( hfile, &uiNumItems, 4, &uiNumBytesRead );
if( uiNumBytesRead != 4 )
{ //Invalid situation.
FileClose( hfile );
return;
}
}
//Now compare this number with the number the summary thinks we should have. If they are different,
//the the summary doesn't match the map. What we will do is force regenerate the map so that they do
//then the summary doesn't match the map. What we will do is force regenerate the map so that they do
//match
if( uiNumItems != gpCurrentSectorSummary->usNumItems && fAllowRecursion )
{
@@ -3108,4 +3132,22 @@ UINT8 GetCurrentSummaryVersion()
return 0;
}
void ClearSummaryInfo()
{
for (int x = 0; x < 16; x++)
{
for (int y=0; y < 16; y++)
{
for (int z=0; z < 8; z++)
{
if (gpSectorSummary[x][y][z])
{
MemFree( gpSectorSummary[x][y][z]);
gpSectorSummary[x][y][z] = NULL;
}
}
}
}
}
#endif
+1
View File
@@ -104,6 +104,7 @@ extern void WriteSectorSummaryUpdate( STR8 puiFilename, UINT8 ubLevel, SUMMARYFI
extern BOOLEAN gfMustForceUpdateAllMaps;
extern BOOLEAN gfMajorUpdate;
void ApologizeOverrideAndForceUpdateEverything();
void ClearSummaryInfo();
#endif
#endif
+10 -3
View File
@@ -73,6 +73,7 @@
#include "Music Control.h"
#include "Soldier Profile.h"
#include "GameSettings.h"
#include "Summary Info.h"
#endif
@@ -305,6 +306,9 @@ BOOLEAN EditModeInit( void )
fFirstTimeInEditModeInit = FALSE;
}
// Clear the summary info array
ClearSummaryInfo();
//Initialize editor specific stuff for each Taskbar.
EntryInitEditorTerrainInfo();
EntryInitEditorItemsInfo();
@@ -557,6 +561,9 @@ BOOLEAN EditModeShutdown( void )
HideExitGrids();
// Clear the summary info array
ClearSummaryInfo();
UnPauseGame();
return TRUE;
@@ -581,7 +588,7 @@ void SetBackgroundTexture( )
usIndex = (UINT16)(rand( ) % 10 );
// Adjust for type
usIndex += gTileTypeStartIndex[ gCurrentBackground ];
usIndex = usIndex + gTileTypeStartIndex[ gCurrentBackground ];
// Set land index
if( TypeRangeExistsInLandLayer( cnt, FIRSTFLOOR, LASTFLOOR, &Dummy ) )
@@ -1557,7 +1564,7 @@ void HandleKeyboardShortcuts( )
RemoveAllRoofsOfTypeRange( i, FIRSTTEXTURE, LASTITEM );
RemoveAllOnRoofsOfTypeRange( i, FIRSTTEXTURE, LASTITEM );
RemoveAllShadowsOfTypeRange( i, FIRSTROOF, LASTSLANTROOF );
usRoofIndex = 9 + ( rand() % 3 );
usRoofIndex = (UINT16) (9 + ( rand() % 3 ));
GetTileIndexFromTypeSubIndex( usRoofType, usRoofIndex, &usTileIndex );
AddRoofToHead( i, usTileIndex );
}
@@ -3141,7 +3148,7 @@ void EnsureStatusOfEditorButtons()
void HandleMouseClicksInGameScreen()
{
EXITGRID dummy={0,0,0,0};
//EXITGRID dummy={0,0,0,0};
INT16 sX, sY;
BOOLEAN fPrevState;
if( !GetMouseXY( &sGridX, &sGridY ) )
+11
View File
@@ -0,0 +1,11 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioPropertySheet
ProjectType="Visual C++"
Version="8.00"
Name="Path Debug"
>
<Tool
Name="VCCLCompilerTool"
PreprocessorDefinitions="PATHAI_VISIBLE_DEBUG"
/>
</VisualStudioPropertySheet>
+7
View File
@@ -0,0 +1,7 @@
<?xml version="1.0"?>
<VisualStudioPropertySheet
ProjectType="Visual C++"
Version="8.00"
Name="Roof Debug"
>
</VisualStudioPropertySheet>
+2
View File
@@ -49,4 +49,6 @@
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NON_CONFORMING_SWPRINTFS
#include "Profiler.h"
#endif
+442
View File
@@ -0,0 +1,442 @@
#ifdef PROFILER_ENABLED
#include "builddefines.h"
#include <sstream>
#ifdef PERIODIC_PROFILING
bool gRecordingProfile = false;
#endif
PerfManager* PerfManager::_instance(NULL);
PerfDatum::PerfDatum( const char* const fileName,
const char* const functionName,
const int lineNumber,
__int64 cycles,
__int64 calls)
:
_fileName(fileName),
_functionName(functionName),
_lineNumber(lineNumber),
_cycles(cycles),
_calls(calls)
{
}
PerfManager::PerfManager(void)
:
_callTime(0),
_totalTime(0)
{
//Set up a root function so that the stack is never empty:
//(this will be the only entry with _lineNumber equal to 0)
_perfLog.insert(PerfDatum(__FILE__, "Root",0));
_perfStack.push_back(&*(_perfLog.begin()));
_lastTime = getCPUCount();
calibrate();
}
void PerfManager::calibrate()
{
}
PerfManager::~PerfManager(void)
{
}
PerfManager* PerfManager::instance()
{
if(!_instance) //Double-check locking (first check)
{ _instance = new PerfManager();
}
return _instance;
}
void PerfManager::enterFunction(const char* const fileName,
const char* const functionName,
const int lineNumber)
{
//Mark the time when we end processing the previous function
__int64 endTime = getCPUCount();
//assuming we haven't corrupted the stack and reduced it to zero elements
if(_perfStack.size())
{ PERF_STACK_T::reverse_iterator lastMarker = _perfStack.rbegin();
//Update the total time spent processing the previous function
__int64 runTime = (endTime - _lastTime) - _callTime;
(**lastMarker)._cycles += runTime;
_totalTime += runTime;
}
//If we fail to insert the performance marker into our log, it means it is
//a duplicate. We can ignore this "error" as using the existing copy is
//the correct behavior.
std::pair<PERF_LOG_T::iterator, bool> result =
_perfLog.insert(PerfDatum(fileName, functionName, lineNumber));
//Update the call count on the new function:
PerfDatum* marker = &*(result.first);
marker->_calls++;
//Add performance marker to the stack as well as the log:
_perfStack.push_back(marker);
//Now that we are clear of any complex operations, we can set the call
//time of the new marker more accurately:
_lastTime = getCPUCount();
}
void PerfManager::exitFunction()
{
//Mark the time when we exited the function
__int64 endTime = getCPUCount();
//Update the function in our log with its new runtime
PERF_STACK_T::reverse_iterator lastMarker = _perfStack.rbegin();
__int64 runTime = endTime - _lastTime;
(**lastMarker)._cycles += runTime;
_totalTime += runTime;
_perfStack.pop_back();
//Lastly, update the function we've fallen back to with the new current
//run time.
_lastTime = getCPUCount();
}
__int64 PerfManager::getCPUCount () const
{
_asm rdtsc
}
bool PerfSort::operator ()(const PerfDatum& lhs, const PerfDatum&rhs) const
{
if(rhs._lineNumber == lhs._lineNumber)
{ return 0 < strcmp(rhs._fileName, lhs._fileName);
}
else
{ return rhs._lineNumber > lhs._lineNumber;
}
}
bool PerfSort2::operator ()(const PerfDatum& lhs, const PerfDatum&rhs) const
{
return lhs._cycles > rhs._cycles;
}
int PerfManager::getPercision(const double value) const
{
int retVal = 1;
if(10.0 <= value)
{ retVal = 3;
}
else if (1.0 <= value)
{ retVal = 2;
}
return retVal;
}
void PerfManager::log(std::ostream &os)
{
//Create a copy of the log that sorts by cycles used
std::set<PerfDatum, PerfSort2> logCopy;
for(PERF_LOG_T::iterator i = _perfLog.begin(); i != _perfLog.end(); i++)
{
logCopy.insert(*i);
}
int cyclesWidth = 1;
//I want the formatting to be nice!
for(std::set<PerfDatum, PerfSort2>::iterator i = logCopy.begin();
i != logCopy.end();
i++)
{
if(i->_lineNumber) {
std::stringstream cyclesString;
cyclesString << i->_cycles;
std::string tempString;
cyclesString >> tempString;
cyclesWidth = tempString.size();
break;
}
}
//Stream the sorted log to the supplied ostream
for(std::set<PerfDatum, PerfSort2>::iterator i = logCopy.begin();
i != logCopy.end();
++i)
{
if(i->_lineNumber)
{ //Truncate path from file name if the compiler included it.
const char* j = i->_fileName + strlen(i->_fileName);
while('\\' != *j && '/' != *j && j >= i->_fileName){j--;}
if('\\' == *j || '/' == *j){j++;}
std::stringstream cyclesString;
std::string tempString;
cyclesString << i->_cycles;
cyclesString >> tempString;
os.width(cyclesWidth);
os << tempString.c_str() << ", ";
__int64 cyclesPerCall = i->_cycles / i->_calls;
cyclesString.clear();
tempString.clear();
cyclesString << cyclesPerCall;
cyclesString >> tempString;
os.width(cyclesWidth);
os << tempString.c_str() << "] cycles (";
double percent = double(i->_cycles) / double(_totalTime) * 100;
os.precision(getPercision(percent));
os.width(4);
os << percent << "%) used in [";
os.width(8);
os << i->_calls << "] calls by " << j << "::" << i->_functionName\
<< " at line " << i->_lineNumber << std::endl;
}
}
}
PerfMarker::PerfMarker( const char* const fileName,
const char* const functionName,
const int lineNumber)
:
#ifdef PERIODIC_PROFILING
_onStack(gRecordingProfile)
#else
_onStack(true)
#endif
{
#ifdef PERIODIC_PROFILING
if (gRecordingProfile == true) {
#endif
PerfManager::instance()->enterFunction(fileName,functionName,lineNumber);
#ifdef PERIODIC_PROFILING
}
#endif
}
PerfMarker::~PerfMarker()
{
endMark();
}
void PerfMarker::endMark()
{
if(_onStack)
{ PerfManager::instance()->exitFunction();
_onStack = false;
}
}
#include "profiler.h"
#include <sstream>
#ifdef PERIODIC_PROFILING
bool gRecordingProfile = false;
#endif
PerfManager* PerfManager::_instance(NULL);
PerfDatum::PerfDatum( const char* const fileName,
const char* const functionName,
const int lineNumber,
__int64 cycles,
__int64 calls)
:
_fileName(fileName),
_functionName(functionName),
_lineNumber(lineNumber),
_cycles(cycles),
_calls(calls)
{
}
PerfManager::PerfManager(void)
:
_callTime(0),
_totalTime(0)
{
//Set up a root function so that the stack is never empty:
//(this will be the only entry with _lineNumber equal to 0)
_perfLog.insert(PerfDatum(__FILE__, "Root",0));
_perfStack.push_back(&*(_perfLog.begin()));
_lastTime = getCPUCount();
calibrate();
}
void PerfManager::calibrate()
{
}
PerfManager::~PerfManager(void)
{
}
PerfManager* PerfManager::instance()
{
if(!_instance) //Double-check locking (first check)
{ _instance = new PerfManager();
}
return _instance;
}
void PerfManager::enterFunction(const char* const fileName,
const char* const functionName,
const int lineNumber)
{
//Mark the time when we end processing the previous function
__int64 endTime = getCPUCount();
//assuming we haven't corrupted the stack and reduced it to zero elements
if(_perfStack.size())
{ PERF_STACK_T::reverse_iterator lastMarker = _perfStack.rbegin();
//Update the total time spent processing the previous function
__int64 runTime = (endTime - _lastTime) - _callTime;
(**lastMarker)._cycles += runTime;
_totalTime += runTime;
}
//If we fail to insert the performance marker into our log, it means it is
//a duplicate. We can ignore this "error" as using the existing copy is
//the correct behavior.
std::pair<PERF_LOG_T::iterator, bool> result =
_perfLog.insert(PerfDatum(fileName, functionName, lineNumber));
//Update the call count on the new function:
PerfDatum* marker = &*(result.first);
marker->_calls++;
//Add performance marker to the stack as well as the log:
_perfStack.push_back(marker);
//Now that we are clear of any complex operations, we can set the call
//time of the new marker more accurately:
_lastTime = getCPUCount();
}
void PerfManager::exitFunction()
{
//Mark the time when we exited the function
__int64 endTime = getCPUCount();
//Update the function in our log with its new runtime
PERF_STACK_T::reverse_iterator lastMarker = _perfStack.rbegin();
__int64 runTime = endTime - _lastTime;
(**lastMarker)._cycles += runTime;
_totalTime += runTime;
_perfStack.pop_back();
//Lastly, update the function we've fallen back to with the new current
//run time.
_lastTime = getCPUCount();
}
__int64 PerfManager::getCPUCount () const
{
_asm rdtsc
}
bool PerfSort::operator ()(const PerfDatum& lhs, const PerfDatum&rhs) const
{
if(rhs._lineNumber == lhs._lineNumber)
{ return 0 < strcmp(rhs._fileName, lhs._fileName);
}
else
{ return rhs._lineNumber > lhs._lineNumber;
}
}
bool PerfSort2::operator ()(const PerfDatum& lhs, const PerfDatum&rhs) const
{
return lhs._cycles > rhs._cycles;
}
int PerfManager::getPercision(const double value) const
{
int retVal = 1;
if(10.0 <= value)
{ retVal = 3;
}
else if (1.0 <= value)
{ retVal = 2;
}
return retVal;
}
void PerfManager::log(std::ostream &os)
{
//Create a copy of the log that sorts by cycles used
std::set<PerfDatum, PerfSort2> logCopy;
for(PERF_LOG_T::iterator i = _perfLog.begin(); i != _perfLog.end(); i++)
{
logCopy.insert(*i);
}
int cyclesWidth = 1;
//I want the formatting to be nice!
for(std::set<PerfDatum, PerfSort2>::iterator i = logCopy.begin();
i != logCopy.end();
i++)
{
if(i->_lineNumber) {
std::stringstream cyclesString;
cyclesString << i->_cycles;
std::string tempString;
cyclesString >> tempString;
cyclesWidth = tempString.size();
break;
}
}
//Stream the sorted log to the supplied ostream
for(std::set<PerfDatum, PerfSort2>::iterator i = logCopy.begin();
i != logCopy.end();
++i)
{
if(i->_lineNumber)
{ //Truncate path from file name if the compiler included it.
const char* j = i->_fileName + strlen(i->_fileName);
while('\\' != *j && '/' != *j && j >= i->_fileName){j--;}
if('\\' == *j || '/' == *j){j++;}
std::stringstream cyclesString;
std::string tempString;
cyclesString << i->_cycles;
cyclesString >> tempString;
os.width(cyclesWidth);
os << tempString.c_str() << ", ";
__int64 cyclesPerCall = i->_cycles / i->_calls;
cyclesString.clear();
tempString.clear();
cyclesString << cyclesPerCall;
cyclesString >> tempString;
os.width(cyclesWidth);
os << tempString.c_str() << "] cycles (";
double percent = double(i->_cycles) / double(_totalTime) * 100;
os.precision(getPercision(percent));
os.width(4);
os << percent << "%) used in [";
os.width(8);
os << i->_calls << "] calls by " << j << "::" << i->_functionName\
<< " at line " << i->_lineNumber << std::endl;
}
}
}
PerfMarker::PerfMarker( const char* const fileName,
const char* const functionName,
const int lineNumber)
:
#ifdef PERIODIC_PROFILING
_onStack(gRecordingProfile)
#else
_onStack(true)
#endif
{
#ifdef PERIODIC_PROFILING
if (gRecordingProfile == true) {
#endif
PerfManager::instance()->enterFunction(fileName,functionName,lineNumber);
#ifdef PERIODIC_PROFILING
}
#endif
}
PerfMarker::~PerfMarker()
{
endMark();
}
void PerfMarker::endMark()
{
if(_onStack)
{ PerfManager::instance()->exitFunction();
_onStack = false;
}
}
#endif
+87
View File
@@ -0,0 +1,87 @@
#pragma once
#include <vector>
#include <set>
#include <ostream>
//#ifndef PROFILER_ENABLED
//#define PROFILER_ENABLED
//#endif
#ifdef PROFILER_ENABLED
#define STRINGIZE(x) #x
#define NAMED_ PERFORMANCE_MARKER(x) PerfMarker x(__FILE__, STRINGIZE(x), __LINE__);
#define END_NAMED_ PERFORMANCE_MARKER(x) x.endMark();
#define PERFORMANCE_MARKER PerfMarker MARK(__FILE__, __FUNCTION__, __LINE__);
#define PERIODIC_PROFILING
#else
#define PERFORMANCE_MARKER
#endif
#pragma warning (disable : 4512)//disables assignment operator could not be generated
struct PerfDatum
{
PerfDatum( const char* const fileName,
const char* const functionName,
const int lineNumber,
__int64 cycles = 0,
__int64 calls = 0);
const char* const _fileName;
const char* const _functionName;
const int _lineNumber;
__int64 _cycles; //Number of CPU cycles used
__int64 _calls; //Number of calls to this function
};
#pragma warning (default : 4512)//disables assignment operator could not be generated
class PerfSort
{
public:
bool operator()(const PerfDatum& lhs, const PerfDatum& rhs) const;
};
class PerfSort2
{
public:
bool operator()(const PerfDatum& lhs, const PerfDatum& rhs) const;
};
typedef std::set<PerfDatum, PerfSort> PERF_LOG_T;
typedef std::vector<PerfDatum* > PERF_STACK_T;
class PerfManager
{
public:
~PerfManager(void);
static PerfManager* instance();
void enterFunction( const char* const fileName,
const char* const functionName,
const int lineNumber);
void exitFunction();
void log(std::ostream &os);
private:
PerfManager(void);
__int64 getCPUCount(void) const;
void calibrate(void);
int getPercision(const double value) const; //used for formatting percentages
static PerfManager* _instance;
PERF_LOG_T _perfLog;
PERF_STACK_T _perfStack;
__int64 _callTime; //Time it takes to call the getCPUCount function
__int64 _totalTime;
__int64 _lastTime; //The last time we got hte CPU count.
};
class PerfMarker
{
public:
PerfMarker( const char* const fileName,
const char* const functionName,
const int lineNumber);
~PerfMarker();
void endMark();
private:
bool _onStack;
};