project64/Source/Project64/N64 System/Profiling Class.cpp

177 lines
5.6 KiB
C++

/****************************************************************************
* *
* Project 64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#include "stdafx.h"
enum { MAX_FRAMES = 13 };
CProfiling::CProfiling () :
m_CurrentTimerAddr(Timer_None),
m_CurrentDisplayCount(MAX_FRAMES),
m_StartTimeHi(0),
m_StartTimeLo(0)
{
}
SPECIAL_TIMERS CProfiling::StartTimer(SPECIAL_TIMERS Address)
{
SPECIAL_TIMERS OldTimerAddr = StopTimer();
m_CurrentTimerAddr = Address;
DWORD HiValue, LoValue;
_asm {
pushad
rdtsc
mov HiValue, edx
mov LoValue, eax
popad
}
m_StartTimeHi = HiValue;
m_StartTimeLo = LoValue;
return OldTimerAddr;
}
SPECIAL_TIMERS CProfiling::StopTimer(void) {
DWORD HiValue, LoValue;
if (m_CurrentTimerAddr == Timer_None) { return m_CurrentTimerAddr; }
_asm {
pushad
rdtsc
mov HiValue, edx
mov LoValue, eax
popad
}
__int64 StopTime = ((unsigned __int64)HiValue << 32) + (unsigned __int64)LoValue;
__int64 StartTime = ((unsigned __int64)m_StartTimeHi << 32) + (unsigned __int64)m_StartTimeLo;
__int64 TimeTaken = StopTime - StartTime;
PROFILE_ENRTY Entry = m_Entries.find(m_CurrentTimerAddr);
if (Entry != m_Entries.end()) {
Entry->second += TimeTaken;
} else {
m_Entries.insert(PROFILE_ENRTIES::value_type(m_CurrentTimerAddr,TimeTaken));
}
SPECIAL_TIMERS OldTimerAddr = m_CurrentTimerAddr;
m_CurrentTimerAddr = Timer_None;
return OldTimerAddr;
}
void CProfiling::ShowCPU_Usage (void) {
__int64 TotalTime, CPU = 0, Alist = 0, Dlist = 0, Idle = 0;
PROFILE_ENRTY Entry;
if (m_CurrentDisplayCount > 0) { m_CurrentDisplayCount -= 1; return; }
m_CurrentDisplayCount = MAX_FRAMES;
Entry = m_Entries.find(Timer_R4300);
if (Entry != m_Entries.end()) { CPU = Entry->second; }
Entry = m_Entries.find(Timer_RefreshScreen);
if (Entry != m_Entries.end()) { CPU += Entry->second; }
Entry = m_Entries.find(Timer_RSP_Dlist);
if (Entry != m_Entries.end()) { Dlist = Entry->second; }
Entry = m_Entries.find(Timer_UpdateScreen);
if (Entry != m_Entries.end()) { Dlist += Entry->second; }
Entry = m_Entries.find(Timer_RSP_Alist);
if (Entry != m_Entries.end()) { Alist = Entry->second; }
Entry = m_Entries.find(Timer_Idel);
if (Entry != m_Entries.end()) { Idle = Entry->second; }
TotalTime = CPU + Alist + Dlist + Idle;
g_Notify->DisplayMessage(0,"r4300i: %0.1f%c GFX: %0.1f%c Alist: %0.1f%c Idle: %0.1f%c",
(float)(((double)CPU / (double)TotalTime) * 100),'%',
(float)(((double)Dlist / (double)TotalTime) * 100),'%',
(float)(((double)Alist / (double)TotalTime) * 100),'%',
(float)(((double)Idle / (double)TotalTime) * 100),'%');
ResetCounters();
}
void CProfiling::ResetCounters (void) {
m_Entries.clear();
}
typedef struct { SPECIAL_TIMERS Timer; char * Name; } TIMER_NAME;
void CProfiling::GenerateLog(void) {
stdstr LogFileName;
{
CLog Log;
Log.Open("Profiling.txt");
LogFileName = Log.FileName();
//Get the total time
__int64 TotalTime = 0;
for (PROFILE_ENRTY itemTime = m_Entries.begin(); itemTime != m_Entries.end(); itemTime++ ) {
TotalTime += itemTime->second;
}
//Create a sortable list of items
std::vector<PROFILE_VALUE *> ItemList;
for (PROFILE_ENRTY Entry = m_Entries.begin(); Entry != m_Entries.end(); Entry++ ) {
ItemList.push_back(&(*Entry));
}
//sort the list with a basic bubble sort
for (size_t OuterPass = 0; OuterPass < (ItemList.size() - 1); OuterPass++ ) {
for (size_t InnerPass = 0; InnerPass < (ItemList.size() - 1); InnerPass++ ) {
if (ItemList[InnerPass]->second < ItemList[InnerPass + 1]->second) {
PROFILE_VALUE * TempPtr = ItemList[InnerPass];
ItemList[InnerPass] = ItemList[InnerPass + 1];
ItemList[InnerPass + 1] = TempPtr;
}
}
}
TIMER_NAME TimerNames[] = {
{Timer_R4300, "R4300"},
{Timer_RSP_Dlist, "RSP: Dlist"},
{Timer_RSP_Alist, "RSP: Alist"},
{Timer_RSP_Unknown, "RSP: Unknown"},
{Timer_RefreshScreen, "Refresh Screen"},
{Timer_UpdateScreen, "Update Screen"},
{Timer_UpdateFPS, "Update FPS"},
{Timer_FuncLookup, "Function Lookup"},
{Timer_Done, "Timer_Done"},
{Timer_GetBlockInfo, "Timer_GetBlockInfo"},
{Timer_AnalyseBlock, "Timer_AnalyseBlock"},
{Timer_CompileBlock, "Timer_CompileBlock"},
{Timer_CompileDone, "Timer_CompileDone"},
};
for (size_t count =0; count < ItemList.size(); count++ ) {
char Buffer[255];
double CpuUsage = ((double)ItemList[count]->second / (double)TotalTime) * 100;
if (CpuUsage <= 0.2) { continue; }
sprintf(Buffer,"Func 0x%08X",ItemList[count]->first);
for (int NameID = 0; NameID < (sizeof(TimerNames) / sizeof(TIMER_NAME)); NameID++) {
if (ItemList[count]->first == TimerNames[NameID].Timer) {
strcpy(Buffer,TimerNames[NameID].Name);
break;
}
}
Log.LogF("%s\t%2.2f",Buffer, CpuUsage);
}
}
ShellExecute(NULL,"open",LogFileName.c_str(),NULL,NULL,SW_SHOW);
ResetCounters();
}