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Finish the implementation of the profiler

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This commit is contained in:
Daniel Chappuis 2013-03-26 21:37:55 +01:00
parent aa9bd2098d
commit f479c5edf3
8 changed files with 333 additions and 30 deletions
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7
src/collision/CollisionDetection.cpp
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@ -61,6 +61,8 @@ CollisionDetection::~CollisionDetection() {
// Compute the collision detection
void CollisionDetection::computeCollisionDetection() {
PROFILE("CollisionDetection::computeCollisionDetection()");
// Compute the broad-phase collision detection
computeBroadPhase();
@ -72,6 +74,8 @@ void CollisionDetection::computeCollisionDetection() {
// Compute the broad-phase collision detection
void CollisionDetection::computeBroadPhase() {
PROFILE("CollisionDetection::computeBroadPhase()");
// Notify the broad-phase algorithm about the bodies that have moved since last frame
for (set<CollisionBody*>::iterator it = mWorld->getBodiesBeginIterator();
it != mWorld->getBodiesEndIterator(); it++) {
@ -87,6 +91,9 @@ void CollisionDetection::computeBroadPhase() {
// Compute the narrow-phase collision detection
void CollisionDetection::computeNarrowPhase() {
PROFILE("CollisionDetection::computeNarrowPhase()");
map<bodyindexpair, BroadPhasePair*>::iterator it;
// For each possible collision pair of bodies

1
src/engine/CollisionWorld.h
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@ -31,6 +31,7 @@
#include <set>
#include <algorithm>
#include "../mathematics/mathematics.h"
#include "Profiler.h"
#include "../body/CollisionBody.h"
#include "OverlappingPair.h"
#include "../collision/CollisionDetection.h"

3
src/engine/ContactSolver.cpp
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@ -27,6 +27,7 @@
#include "ContactSolver.h"
#include "DynamicsWorld.h"
#include "../body/RigidBody.h"
#include "Profiler.h"
#include <limits>
using namespace reactphysics3d;
@ -748,6 +749,8 @@ void ContactSolver::solveContactConstraints() {
// Solve the constraints
void ContactSolver::solve(decimal timeStep) {
PROFILE("ContactSolver::solve()");
// Set the current time step
mTimeStep = timeStep;

24
src/engine/DynamicsWorld.cpp
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@ -52,11 +52,28 @@ DynamicsWorld::~DynamicsWorld() {
// Free the allocated memory for the constrained velocities
cleanupConstrainedVelocitiesArray();
#ifdef IS_PROFILING_ACTIVE
// Print the profiling report
Profiler::printReport(std::cout);
// Destroy the profiler (release the allocated memory)
Profiler::destroy();
#endif
}
// Update the physics simulation
void DynamicsWorld::update() {
#ifdef IS_PROFILING_ACTIVE
// Increment the frame counter of the profiler
Profiler::incrementFrameCounter();
#endif
PROFILE("DynamicsWorld::update()");
assert(mTimer.getIsRunning());
// Compute the time since the last update() call and update the timer
@ -106,6 +123,9 @@ void DynamicsWorld::update() {
// Update the position and orientation of the rigid bodies
void DynamicsWorld::updateRigidBodiesPositionAndOrientation() {
PROFILE("DynamicsWorld::updateRigidBodiesPositionAndOrientation()");
decimal dt = static_cast<decimal>(mTimer.getTimeStep());
// For each rigid body of the world
@ -159,6 +179,8 @@ void DynamicsWorld::updateRigidBodiesPositionAndOrientation() {
// Compute and set the interpolation factor to all bodies
void DynamicsWorld::setInterpolationFactorToAllBodies() {
PROFILE("DynamicsWorld::setInterpolationFactorToAllBodies()");
// Compute the interpolation factor
decimal factor = mTimer.computeInterpolationFactor();
@ -215,6 +237,8 @@ void DynamicsWorld::cleanupConstrainedVelocitiesArray() {
// Apply the gravity force to all bodies of the physics world
void DynamicsWorld::applyGravity() {
PROFILE("DynamicsWorld::applyGravity()");
// For each body of the physics world
set<RigidBody*>::iterator it;
for (it = getRigidBodiesBeginIterator(); it != getRigidBodiesEndIterator(); ++it) {

136
src/engine/Profiler.cpp
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@ -33,6 +33,7 @@ using namespace reactphysics3d;
// Initialization of static variables
ProfileNode Profiler::mRootNode("Root", NULL);
ProfileNode* Profiler::mCurrentNode = &Profiler::mRootNode;
long double Profiler::mProfilingStartTime = Timer::getCurrentSystemTime() * 1000.0;
uint Profiler::mFrameCounter = 0;
// Constructor
@ -40,7 +41,7 @@ ProfileNode::ProfileNode(const char* name, ProfileNode* parentNode)
:mName(name), mNbTotalCalls(0), mStartingTime(0), mTotalTime(0),
mRecursionCounter(0), mParentNode(parentNode), mChildNode(NULL),
mSiblingNode(NULL) {
reset();
}
// Destructor
@ -65,8 +66,8 @@ ProfileNode* ProfileNode::findSubNode(const char* name) {
// The nose has not been found. Therefore, we create it
// and add it to the profiler tree
ProfileNode* newNode = new ProfileNode(name, this);
newNode->mSiblingNode = child;
child = newNode;
newNode->mSiblingNode = mChildNode;
mChildNode = newNode;
return newNode;
}
@ -80,7 +81,7 @@ void ProfileNode::enterBlockOfCode() {
// Get the current system time to initialize the starting time of
// the profiling of the current block of code
mStartingTime = Timer::getCurrentSystemTime();
mStartingTime = Timer::getCurrentSystemTime() * 1000.0;
}
mRecursionCounter++;
@ -93,7 +94,7 @@ bool ProfileNode::exitBlockOfCode() {
if (mRecursionCounter == 0 && mNbTotalCalls != 0) {
// Get the current system time
long double currentTime = Timer::getCurrentSystemTime();
long double currentTime = Timer::getCurrentSystemTime() * 1000.0;
// Increase the total elasped time in the current block of code
mTotalTime += currentTime - mStartingTime;
@ -103,6 +104,59 @@ bool ProfileNode::exitBlockOfCode() {
return (mRecursionCounter == 0);
}
// Reset the profiling of the node
void ProfileNode::reset() {
mNbTotalCalls = 0;
mTotalTime = 0.0;
// Reset the child node
if (mChildNode != NULL) {
mChildNode->reset();
}
// Reset the sibling node
if (mSiblingNode != NULL) {
mSiblingNode->reset();
}
}
// Destroy the node
void ProfileNode::destroy() {
delete mChildNode;
mChildNode = NULL;
delete mSiblingNode;
mSiblingNode = NULL;
}
// Constructor
ProfileNodeIterator::ProfileNodeIterator(ProfileNode* startingNode)
:mCurrentParentNode(startingNode),
mCurrentChildNode(mCurrentParentNode->getChildNode()){
}
// Enter a given child node
void ProfileNodeIterator::enterChild(int index) {
mCurrentChildNode = mCurrentParentNode->getChildNode();
while ((mCurrentChildNode != NULL) && (index != 0)) {
index--;
mCurrentChildNode = mCurrentChildNode->getSiblingNode();
}
if (mCurrentChildNode != NULL) {
mCurrentParentNode = mCurrentChildNode;
mCurrentChildNode = mCurrentParentNode->getChildNode();
}
}
// Enter a given parent node
void ProfileNodeIterator::enterParent() {
if (mCurrentParentNode->getParentNode() != NULL) {
mCurrentParentNode = mCurrentParentNode->getParentNode();
}
mCurrentChildNode = mCurrentParentNode->getChildNode();
}
// Method called when we want to start profiling a block of code.
void Profiler::startProfilingBlock(const char* name) {
@ -125,17 +179,79 @@ void Profiler::stopProfilingBlock() {
if (mCurrentNode->exitBlockOfCode()) {
mCurrentNode = mCurrentNode->getParentNode();
}
}
// Return an iterator over the profiler tree starting at the root
ProfileNodeIterator* Profiler::getIterator() {
return new ProfileNodeIterator(&mRootNode);
// Reset the timing data of the profiler (but not the profiler tree structure)
void Profiler::reset() {
mRootNode.reset();
mRootNode.enterBlockOfCode();
mFrameCounter = 0;
mProfilingStartTime = Timer::getCurrentSystemTime() * 1000.0;
}
// Print the report of the profiler in a given output stream
void printReport(std::ostream& outputStream) {
void Profiler::printReport(std::ostream& outputStream) {
ProfileNodeIterator* iterator = Profiler::getIterator();
// Recursively print the report of each node of the profiler tree
printRecursiveNodeReport(iterator, 0, outputStream);
// Destroy the iterator
destroyIterator(iterator);
}
// Recursively print the report of a given node of the profiler tree
void Profiler::printRecursiveNodeReport(ProfileNodeIterator* iterator,
int spacing,
std::ostream& outputStream) {
iterator->first();
// If we are at the end of a branch in the profiler tree
if (iterator->isEnd()) {
return;
}
long double parentTime = iterator->isRoot() ? getElapsedTimeSinceStart() :
iterator->getCurrentParentTotalTime();
long double accumulatedTime = 0.0;
uint nbFrames = Profiler::getNbFrames();
for (int i=0; i<spacing; i++) outputStream << " ";
outputStream << "---------------" << std::endl;
for (int i=0; i<spacing; i++) outputStream << " ";
outputStream << "| Profiling : " << iterator->getCurrentParentName() <<
" (total running time : " << parentTime << " ms) ---" << std::endl;
long double totalTime = 0.0;
// Recurse over the children of the current node
int nbChildren = 0;
for (int i=0; !iterator->isEnd(); i++, iterator->next()) {
nbChildren++;
long double currentTotalTime = iterator->getCurrentTotalTime();
accumulatedTime += currentTotalTime;
long double fraction = parentTime > std::numeric_limits<long double>::epsilon() ?
(currentTotalTime / parentTime) * 100.0 : 0.0;
for (int j=0; j<spacing; j++) outputStream << " ";
outputStream << "| " << i << " -- " << iterator->getCurrentName() << " : " <<
fraction << " % | " << (currentTotalTime / long double(nbFrames)) <<
" ms/frame (" << iterator->getCurrentNbTotalCalls() << " calls)" <<
std::endl;
totalTime += currentTotalTime;
}
if (parentTime < accumulatedTime) {
outputStream << "Something is wrong !" << std::endl;
}
for (int i=0; i<spacing; i++) outputStream << " ";
long double percentage = parentTime > std::numeric_limits<long double>::epsilon() ?
((parentTime - accumulatedTime) / parentTime) * 100.0 : 0.0;
long double difference = parentTime - accumulatedTime;
outputStream << "| Unaccounted : " << difference << " ms (" << percentage << " %)" << std::endl;
for (int i=0; i<nbChildren; i++){
iterator->enterChild(i);
printRecursiveNodeReport(iterator, spacing + 3, outputStream);
iterator->enterParent();
}
}
#endif

187
src/engine/Profiler.h
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@ -43,6 +43,8 @@ class ProfileNode {
private :
// -------------------- Attributes -------------------- //
/// Name of the node
const char* mName;
@ -69,6 +71,8 @@ class ProfileNode {
public :
// -------------------- Methods -------------------- //
/// Constructor
ProfileNode(const char* name, ProfileNode* parentNode);
@ -101,24 +105,34 @@ class ProfileNode {
/// Called when we exit the block of code corresponding to this profile node
bool exitBlockOfCode();
/// Reset the profiling of the node
void reset();
/// Destroy the node
void destroy();
};
// Class ProfileNodeIterator
/**
* This class allow us to iterator over the profiler tree.
* This class allows us to iterator over the profiler tree.
*/
class ProfileNodeIterator {
private :
// -------------------- Attributes -------------------- //
/// Current parent node
ProfileNode* mCurrentParent;
ProfileNode* mCurrentParentNode;
/// Current child node
ProfileNode* mCurrentChild;
ProfileNode* mCurrentChildNode;
public :
// -------------------- Methods -------------------- //
/// Constructor
ProfileNodeIterator(ProfileNode* startingNode);
@ -129,8 +143,34 @@ class ProfileNodeIterator {
void next();
/// Enter a given child node
void enterChild();
void enterChild(int index);
/// Enter a given parent node
void enterParent();
/// Return true if we are at the root of the profiler tree
bool isRoot();
/// Return true if we are at the end of a branch of the profiler tree
bool isEnd();
/// Return the name of the current node
const char* getCurrentName();
/// Return the total time of the current node
long double getCurrentTotalTime();
/// Return the total number of calls of the current node
uint getCurrentNbTotalCalls();
/// Return the name of the current parent node
const char* getCurrentParentName();
/// Return the total time of the current parent node
long double getCurrentParentTotalTime();
/// Return the total number of calls of the current parent node
uint getCurrentParentNbTotalCalls();
};
// Class Profiler
@ -142,6 +182,8 @@ class Profiler {
private :
// -------------------- Attributes -------------------- //
/// Root node of the profiler tree
static ProfileNode mRootNode;
@ -151,8 +193,18 @@ class Profiler {
/// Frame counter
static uint mFrameCounter;
/// Starting profiling time
static long double mProfilingStartTime;
/// Recursively print the report of a given node of the profiler tree
static void printRecursiveNodeReport(ProfileNodeIterator* iterator,
int spacing,
std::ostream& outputStream);
public :
// -------------------- Methods -------------------- //
/// Method called when we want to start profiling a block of code.
static void startProfilingBlock(const char *name);
@ -160,11 +212,29 @@ class Profiler {
/// startProfilingBlock() method has been called.
static void stopProfilingBlock();
/// Reset the timing data of the profiler (but not the profiler tree structure)
static void reset();
/// Return the number of frames
static uint getNbFrames();
/// Return the elasped time since the start/reset of the profiling
static long double getElapsedTimeSinceStart();
/// Increment the frame counter
static void incrementFrameCounter();
/// Return an iterator over the profiler tree starting at the root
static ProfileNodeIterator* getIterator();
/// Print the report of the profiler in a given output stream
static void printReport(std::ostream& outputStream);
/// Destroy a previously allocated iterator
static void destroyIterator(ProfileNodeIterator* iterator);
/// Destroy the profiler (release the memory)
static void destroy();
};
// Class ProfileSample
@ -177,6 +247,8 @@ class ProfileSample {
public :
// -------------------- Methods -------------------- //
/// Constructor
ProfileSample(const char* name) {
@ -192,39 +264,120 @@ class ProfileSample {
}
};
/// Use this macro to start profile a block of code
// Use this macro to start profile a block of code
#define PROFILE(name) ProfileSample profileSample(name)
/// Return a pointer to the parent node
ProfileNode* ProfileNode::getParentNode() {
// Return true if we are at the root of the profiler tree
inline bool ProfileNodeIterator::isRoot() {
return (mCurrentParentNode->getParentNode() == NULL);
}
// Return true if we are at the end of a branch of the profiler tree
inline bool ProfileNodeIterator::isEnd() {
return (mCurrentChildNode == NULL);
}
// Return the name of the current node
inline const char* ProfileNodeIterator::getCurrentName() {
return mCurrentChildNode->getName();
}
// Return the total time of the current node
inline long double ProfileNodeIterator::getCurrentTotalTime() {
return mCurrentChildNode->getTotalTime();
}
// Return the total number of calls of the current node
inline uint ProfileNodeIterator::getCurrentNbTotalCalls() {
return mCurrentChildNode->getNbTotalCalls();
}
// Return the name of the current parent node
inline const char* ProfileNodeIterator::getCurrentParentName() {
return mCurrentParentNode->getName();
}
// Return the total time of the current parent node
inline long double ProfileNodeIterator::getCurrentParentTotalTime() {
return mCurrentParentNode->getTotalTime();
}
// Return the total number of calls of the current parent node
inline uint ProfileNodeIterator::getCurrentParentNbTotalCalls() {
return mCurrentParentNode->getNbTotalCalls();
}
// Go to the first node
inline void ProfileNodeIterator::first() {
mCurrentChildNode = mCurrentParentNode->getChildNode();
}
// Go to the next node
inline void ProfileNodeIterator::next() {
mCurrentChildNode = mCurrentChildNode->getSiblingNode();
}
// Return a pointer to the parent node
inline ProfileNode* ProfileNode::getParentNode() {
return mParentNode;
}
/// Return a pointer to a sibling node
ProfileNode* ProfileNode::getSiblingNode() {
// Return a pointer to a sibling node
inline ProfileNode* ProfileNode::getSiblingNode() {
return mSiblingNode;
}
/// Return a pointer to a child node
ProfileNode* ProfileNode::getChildNode() {
// Return a pointer to a child node
inline ProfileNode* ProfileNode::getChildNode() {
return mChildNode;
}
/// Return the name of the node
const char* ProfileNode::getName() {
// Return the name of the node
inline const char* ProfileNode::getName() {
return mName;
}
/// Return the total number of call of the corresponding block of code
uint ProfileNode::getNbTotalCalls() const {
// Return the total number of call of the corresponding block of code
inline uint ProfileNode::getNbTotalCalls() const {
return mNbTotalCalls;
}
/// Return the total time spent in the block of code
long double ProfileNode::getTotalTime() const {
// Return the total time spent in the block of code
inline long double ProfileNode::getTotalTime() const {
return mTotalTime;
}
// Return the number of frames
inline uint Profiler::getNbFrames() {
return mFrameCounter;
}
// Return the elasped time since the start/reset of the profiling
inline long double Profiler::getElapsedTimeSinceStart() {
long double currentTime = Timer::getCurrentSystemTime() * 1000.0;
return currentTime - mProfilingStartTime;
}
// Increment the frame counter
inline void Profiler::incrementFrameCounter() {
mFrameCounter++;
}
// Return an iterator over the profiler tree starting at the root
inline ProfileNodeIterator* Profiler::getIterator() {
return new ProfileNodeIterator(&mRootNode);
}
// Destroy a previously allocated iterator
inline void Profiler::destroyIterator(ProfileNodeIterator* iterator) {
delete iterator;
}
// Destroy the profiler (release the memory)
inline void Profiler::destroy() {
mRootNode.destroy();
}
}
#else // In profile is not active

2
src/engine/Timer.cpp
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@ -39,7 +39,7 @@ Timer::~Timer() {
}
// Return the current time of the system
// Return the current time of the system in seconds
long double Timer::getCurrentSystemTime() {
#if defined(WINDOWS_OS)

3
src/engine/Timer.h
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@ -74,7 +74,6 @@ class Timer {
/// True if the timer is running
bool mIsRunning;
// -------------------- Methods -------------------- //
/// Private copy-constructor
@ -123,7 +122,7 @@ class Timer {
/// Compute the interpolation factor
decimal computeInterpolationFactor();
/// Return the current time of the system
/// Return the current time of the system in seconds
static long double getCurrentSystemTime();
};