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CWE-ou-minkata/Sources/Plasma/NucleusLib/inc/plProfileManager.cpp

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "plProfileManager.h"
#include "plProfile.h"
#include "hsTimer.h"
#include "hsUtils.h"
static UInt32 gCyclesPerMS = 0;
#ifdef HS_BUILD_FOR_WIN32
#define USE_FAST_TIMER
#endif
#ifdef USE_FAST_TIMER
#pragma warning (push)
#pragma warning (disable : 4035) // disable no return value warning
__forceinline UInt32 GetPentiumCounter()
{
__asm
{
xor eax,eax // VC won't realize that eax is modified w/out this
// instruction to modify the val.
// Problem shows up in release mode builds
_emit 0x0F // Pentium high-freq counter to edx;eax
_emit 0x31 // only care about low 32 bits in eax
xor edx,edx // so VC gets that edx is modified
}
}
#pragma warning (pop)
#include "hsWindows.h"
static UInt32 GetProcSpeed()
{
const char* keypath[] =
{
"HARDWARE",
"DESCRIPTION",
"System",
"CentralProcessor",
"0"
};
HKEY hKey = HKEY_LOCAL_MACHINE;
int numKeys = sizeof(keypath) / sizeof(char*);
for (int i = 0; i < numKeys; i++)
{
HKEY thisKey = NULL;
hsBool success = (RegOpenKeyEx(hKey, keypath[i], 0, KEY_READ, &thisKey) == ERROR_SUCCESS);
RegCloseKey(hKey);
hKey = thisKey;
if (!success)
return 0;
}
DWORD value=0, size=sizeof(DWORD);
hsBool success = (RegQueryValueEx(hKey, "~MHz", 0, NULL, (BYTE*)&value, &size) == ERROR_SUCCESS);
RegCloseKey(hKey);
return value*1000000;
}
UInt32 GetProcSpeedAlt()
{
const UInt32 kSamplePeriodMS = 250;
// Raise priority to avoid interference from other threads.
int priority = GetThreadPriority(GetCurrentThread());
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
UInt32 startTicks, endTicks;
UInt64 pcStart, pcEnd;
// Count number of processor cycles inside the specified interval
QueryPerformanceCounter((LARGE_INTEGER*)&pcStart);
startTicks = plProfileManager::GetTime();
Sleep(kSamplePeriodMS);
endTicks = plProfileManager::GetTime();
QueryPerformanceCounter((LARGE_INTEGER*)&pcEnd);
// Restore thread priority.
SetThreadPriority(GetCurrentThread(), priority);
// Calculate Rdtsc/PerformanceCounter ratio;
UInt32 numTicks = endTicks - startTicks;
UInt64 pcDiff = pcEnd - pcStart;
double ratio = double(numTicks) / double(pcDiff);
UInt64 pcFreq;
QueryPerformanceFrequency((LARGE_INTEGER*)&pcFreq);
// Calculate CPU frequency.
UInt64 cpuFreq = UInt64(pcFreq * ratio);
return (UInt32)cpuFreq;
}
#define GetProfileTicks() GetPentiumCounter()
#else
#define GetProfileTicks() hsTimer::GetPrecTickCount()
#endif // USE_FAST_TIMER
#define TicksToMSec(t) (float(t) / float(gCyclesPerMS))
#define MSecToTicks(t) (float(t) * float(gCyclesPerMS))
plProfileManager::plProfileManager() : fLastAvgTime(0), fProcessorSpeed(0)
{
#ifdef USE_FAST_TIMER
fProcessorSpeed = GetProcSpeed();
// Registry stuff only works on NT OS's, have to calc it otherwise
if (fProcessorSpeed == 0)
fProcessorSpeed = GetProcSpeedAlt();
gCyclesPerMS = fProcessorSpeed / 1000;
#else
gCyclesPerMS = hsTimer::GetPrecTicksPerSec() / 1000;
#endif
}
plProfileManager::~plProfileManager()
{
}
plProfileManager& plProfileManager::Instance()
{
static plProfileManager theInstance;
return theInstance;
}
void plProfileManager::AddTimer(plProfileVar* var)
{
fVars.push_back(var);
}
static UInt32 kAvgMilliseconds = 1000;
void plProfileManager::SetAvgTime(UInt32 avgMS)
{
kAvgMilliseconds = avgMS;
}
static plProfileVar gVarEFPS("EFPS", "General", plProfileVar::kDisplayTime | plProfileVar::kDisplayFPS);
void plProfileManager::BeginFrame()
{
for (int i = 0; i < fVars.size(); i++)
{
fVars[i]->BeginFrame();
if (fVars[i]->GetLaps())
fVars[i]->GetLaps()->BeginFrame();
}
gVarEFPS.BeginTiming();
}
void plProfileManager::EndFrame()
{
gVarEFPS.EndTiming();
hsBool updateAvgs = false;
// If enough time has passed, update the averages
double curTime = hsTimer::GetMilliSeconds();
if (curTime - fLastAvgTime > kAvgMilliseconds)
{
fLastAvgTime = curTime;
updateAvgs = true;
}
int i;
//
// Update all the variables
//
for (i = 0; i < fVars.size(); i++)
{
plProfileVar* var = fVars[i];
if (updateAvgs)
{
// Timers that reset at every BeginTiming() call don't want to average over frames
if (!hsCheckBits(var->GetDisplayFlags(), plProfileBase::kDisplayResetEveryBegin))
{
var->UpdateAvg();
if (var->GetLaps())
var->GetLaps()->UpdateAvgs();
}
}
var->EndFrame();
if (var->GetLaps())
var->GetLaps()->EndFrame();
}
}
UInt32 plProfileManager::GetTime()
{
return GetProfileTicks();
}
///////////////////////////////////////////////////////////////////////////////
plProfileBase::plProfileBase() :
fName(nil),
fDisplayFlags(0),
fValue(0),
fTimerSamples(0),
fAvgCount(0),
fAvgTotal(0),
fLastAvg(0),
fMax(0),
fActive(false),
fRunning(true)
{
}
plProfileBase::~plProfileBase()
{
}
void plProfileBase::BeginFrame()
{
if (!hsCheckBits(fDisplayFlags, kDisplayNoReset))
fValue = 0;
fTimerSamples = 0;
}
void plProfileBase::EndFrame()
{
fAvgCount++;
fAvgTotal += fValue;
fMax = hsMaximum(fMax, fValue);
}
void plProfileBase::UpdateAvg()
{
if (fAvgCount > 0)
{
fLastAvg = (UInt32)(fAvgTotal / fAvgCount);
fAvgCount = 0;
fAvgTotal = 0;
}
}
UInt32 plProfileBase::GetValue()
{
if (hsCheckBits(fDisplayFlags, kDisplayTime))
return (UInt32)TicksToMSec(fValue);
else
return fValue;
}
// Stolen from plMemTracker.cpp
static const char *insertCommas(unsigned int value)
{
static char str[30];
memset(str, 0, sizeof(str));
sprintf(str, "%u", value);
if (strlen(str) > 3)
{
memmove(&str[strlen(str)-3], &str[strlen(str)-4], 4);
str[strlen(str) - 4] = ',';
}
if (strlen(str) > 7)
{
memmove(&str[strlen(str)-7], &str[strlen(str)-8], 8);
str[strlen(str) - 8] = ',';
}
if (strlen(str) > 11)
{
memmove(&str[strlen(str)-11], &str[strlen(str)-12], 12);
str[strlen(str) - 12] = ',';
}
return str;
}
void plProfileBase::IPrintValue(UInt32 value, char* buf, hsBool printType)
{
if (hsCheckBits(fDisplayFlags, kDisplayCount))
{
if (printType)
{
const char* valueStr = insertCommas(value);
strcpy(buf, valueStr);
}
else
sprintf(buf, "%u", value);
}
else if (hsCheckBits(fDisplayFlags, kDisplayFPS))
{
sprintf(buf, "%.1f", 1000.0f / TicksToMSec(value));
}
else if (hsCheckBits(fDisplayFlags, kDisplayTime))
{
sprintf(buf, "%.1f", TicksToMSec(value));
if (printType)
strcat(buf, " ms");
}
else if (hsCheckBits(fDisplayFlags, kDisplayMem))
{
if (printType)
{
if (value > (1024*1000))
sprintf(buf, "%.1f MB", float(value) / (1024.f * 1024.f));
else if (value > 1024)
sprintf(buf, "%d KB", value / 1024);
else
sprintf(buf, "%d b", value);
}
else
sprintf(buf, "%u", value);
}
}
void plProfileBase::PrintValue(char* buf, hsBool printType)
{
IPrintValue(fValue, buf, printType);
}
void plProfileBase::PrintAvg(char* buf, hsBool printType)
{
IPrintValue(fLastAvg, buf, printType);
}
void plProfileBase::PrintMax(char* buf, hsBool printType)
{
IPrintValue(fMax, buf, printType);
}
////////////////////////////////////////////////////////////////////////////////
plProfileLaps::LapInfo* plProfileLaps::IFindLap(const char* lapName)
{
static int lastSearch = 0;
int i;
for (i = lastSearch; i < fLapTimes.size(); i++)
{
if(fLapTimes[i].GetName() == lapName)
{
lastSearch = i;
return &fLapTimes[i];
}
}
if(lastSearch > fLapTimes.size()) lastSearch = fLapTimes.size();
for (i = 0; i < lastSearch; i++)
{
if(fLapTimes[i].GetName() == lapName)
{
lastSearch = i;
return &fLapTimes[i];
}
}
return nil;
}
void plProfileLaps::BeginLap(UInt32 curValue, const char* name)
{
LapInfo* lap = IFindLap(name);
if (!lap)
{
// Technically we shouldn't hold on to this pointer. However, I think
// it will be ok in all cases, so I'll wait until this blows up
LapInfo info(name);
fLapTimes.push_back(info);
lap = &(*(fLapTimes.end()-1));
}
lap->fUsedThisFrame = true;
lap->BeginTiming(curValue);
}
void plProfileLaps::EndLap(UInt32 curValue, const char* name)
{
LapInfo* lap = IFindLap(name);
// There's a lap timer around the input code. You display it with "Stats.ShowLaps Update Input"
// Since the command activates the timer INSIDE the lap, the first call to this function fails to
// find it. (the timer wasn't active when BeginLap was called)
if (lap)
lap->EndTiming(curValue);
}
void plProfileLaps::BeginFrame()
{
for (int i = 0; i < fLapTimes.size(); i++)
{
fLapTimes[i].BeginFrame();
fLapTimes[i].fUsedThisFrame = false;
}
}
void plProfileLaps::EndFrame()
{
for (int i = 0; i < fLapTimes.size(); i++)
{
fLapTimes[i].EndFrame();
if (!fLapTimes[i].fUsedThisFrame)
{
char buf[200];
sprintf(buf, "Dropping unused lap %s", fLapTimes[i].GetName());
hsStatusMessage(buf);
fLapTimes.erase(fLapTimes.begin()+i);
i--;
}
}
}
void plProfileLaps::UpdateAvgs()
{
for (int i = 0; i < fLapTimes.size(); i++)
fLapTimes[i].UpdateAvg();
}
int plProfileLaps::GetNumLaps()
{
// std::sort(fLapTimes.begin(), fLapTimes.end());
return fLapTimes.size();
}
plProfileBase* plProfileLaps::GetLap(int i)
{
return &fLapTimes[i];
}
///////////////////////////////////////////////////////////////////////////////
plProfileVar::plProfileVar(const char *name, const char* group, UInt8 flags) :
fGroup(group),
fLaps(nil)
{
fName = name;
fDisplayFlags = flags;
plProfileManager::Instance().AddTimer(this);
fLapsActive = 0;
}
plProfileVar::~plProfileVar()
{
delete fLaps;
}
void plProfileVar::IBeginLap(const char* lapName)
{
if (!fLaps)
fLaps = TRACKED_NEW plProfileLaps;
fDisplayFlags |= kDisplayLaps;
if(fLapsActive)
fLaps->BeginLap(fValue, lapName);
BeginTiming();
}
void plProfileVar::IEndLap(const char* lapName)
{
EndTiming();
if(fLapsActive)
fLaps->EndLap(fValue, lapName);
}
void plProfileVar::IBeginTiming()
{
if( hsCheckBits( fDisplayFlags, kDisplayResetEveryBegin ) )
fValue = 0;
fValue -= GetProfileTicks();
}
void plProfileVar::IEndTiming()
{
fValue += GetProfileTicks();
fTimerSamples++;
// If we reset every BeginTiming(), then we want to average all the timing calls
// independent of framerate
if (hsCheckBits(fDisplayFlags, plProfileBase::kDisplayResetEveryBegin))
UpdateAvg();
}