Ogre::Profiler Class Reference
General

The profiler allows you to measure the performance of your code. More...

`#include <OgreProfiler.h>`

Inheritance diagram for Ogre::Profiler:
[legend]

List of all members.

## Classes

struct | ProfileFrame
| Represents the total timing information of a profile since profiles can be called more than once each frame. More...
struct | ProfileHistory
| Represents a history of each profile during the duration of the app. More...
class | ProfileInstance
| Represents an individual profile call. More...

## Public Types

enum | DisplayMode { DISPLAY_PERCENTAGE, DISPLAY_MILLISECONDS }

## Public Member Functions

| Profiler ()
| ~Profiler ()
void | setTimer (Timer *t)
| Sets the timer for the profiler.
Timer * | getTimer ()
| Retrieves the timer for the profiler.
void | beginProfile (const String &profileName, uint32 groupID=(uint32) OGREPROF_USER_DEFAULT)
| Begins a profile.
void | endProfile (const String &profileName, uint32 groupID=(uint32) OGREPROF_USER_DEFAULT)
| Ends a profile.
void | beginGPUEvent (const String &event)
| Mark the beginning of a GPU event group.
void | endGPUEvent (const String &event)
| Mark the end of a GPU event group.
void | markGPUEvent (const String &event)
| Mark a specific, ungrouped, GPU event.
void | setEnabled (bool enabled)
| Sets whether this profiler is enabled.
bool | getEnabled () const
| Gets whether this profiler is enabled.
void | enableProfile (const String &profileName)
| Enables a previously disabled profile.
void | disableProfile (const String &profileName)
| Disables a profile.
void | setProfileGroupMask (uint32 mask)
| Set the mask which all profiles must pass to be enabled.
uint32 | getProfileGroupMask () const
| Get the mask which all profiles must pass to be enabled.
bool | watchForMax (const String &profileName)
| Returns true if the specified profile reaches a new frame time maximum.
bool | watchForMin (const String &profileName)
| Returns true if the specified profile reaches a new frame time minimum.
bool | watchForLimit (const String &profileName, Real limit, bool greaterThan=true)
| Returns true if the specified profile goes over or under the given limit frame time.
void | logResults ()
| Outputs current profile statistics to the log.
void | reset ()
| Clears the profiler statistics.
void | setDisplayMode (DisplayMode d)
| Set the display mode for the overlay.
DisplayMode | getDisplayMode () const
| Get the display mode for the overlay.
void | setUpdateDisplayFrequency (uint freq)
| Sets the Profiler so the display of results are updated every n frames.
uint | getUpdateDisplayFrequency () const
| Gets the frequency that the Profiler display is updated.
void | setOverlayDimensions (Real width, Real height)
| Set the size of the profiler overlay, in pixels.
void | setOverlayPosition (Real left, Real top)
| Set the position of the profiler overlay, in pixels.
Real | getOverlayWidth () const
Real | getOverlayHeight () const
Real | getOverlayLeft () const
Real | getOverlayTop () const
void * | operator new (size_t sz, const char *file, int line, const char *func)
| operator new, with debug line info
void * | operator new (size_t sz)
void * | operator new (size_t sz, void *ptr)
| placement operator new
void * | operator new[] (size_t sz, const char *file, int line, const char *func)
| array operator new, with debug line info
void * | operator new[] (size_t sz)
void | operator delete (void *ptr)
void | operator delete (void *ptr, void *)
void | operator delete (void *ptr, const char *, int, const char *)
void | operator delete[] (void *ptr)
void | operator delete[] (void *ptr, const char *, int, const char *)

## Static Public Member Functions

static Profiler & | getSingleton (void)
| Override standard Singleton retrieval.
static Profiler * | getSingletonPtr (void)
| Override standard Singleton retrieval.

## Protected Types

typedef list< OverlayElement * > ::type | ProfileBarList
typedef set< String >::type | DisabledProfileMap
typedef ProfileInstance::ProfileChildren | ProfileChildren

## Protected Member Functions

void | initialize ()
| Initializes the profiler's GUI elements.
void | displayResults (void)
void | displayResults (ProfileInstance *instance, ProfileBarList::iterator &bIter, Real &maxTimeMillisecs, Real &newGuiHeight, int &profileCount)
| Prints the profiling results of each frame.
void | processFrameStats (void)
| Processes frame stats for all of the mRoot's children.
void | processFrameStats (ProfileInstance *instance, Real &maxFrameTime)
| Processes specific ProfileInstance and it's children recursively.
void | changeEnableState ()
| Handles a change of the profiler's enabled state.
OverlayContainer * | createContainer ()
| An internal function to create the container which will hold our display elements.
OverlayElement * | createTextArea (const String &name, Real width, Real height, Real top, Real left, uint fontSize, const String &caption, bool show=true)
| An internal function to create a text area.
OverlayElement * | createPanel (const String &name, Real width, Real height, Real top, Real left, const String &materialName, bool show=true)
| An internal function to create a panel.

## Protected Attributes

ProfileInstance * | mCurrent
ProfileInstance * | mLast
ProfileInstance | mRoot
DisabledProfileMap | mDisabledProfiles
| Holds the names of disabled profiles.
ProfileBarList | mProfileBars
| Holds the display bars for each profile results.
bool | mInitialized
| Whether the GUI elements have been initialized.
uint | mMaxDisplayProfiles
| The max number of profiles we can display.
Overlay * | mOverlay
| The overlay which contains our profiler results display.
OverlayContainer * | mProfileGui
| The window that displays the profiler results.
Real | mBarHeight
| The height of each bar.
Real | mGuiHeight
| The height of the stats window.
Real | mGuiWidth
| The width of the stats window.
Real | mGuiLeft
| The horz position of the stats window.
Real | mGuiTop
| The vertical position of the stats window.
Real | mBarIndent
| The size of the indent for each profile display bar.
Real | mGuiBorderWidth
| The width of the border between the profile window and each bar.
Real | mBarLineWidth
| The width of the min, avg, and max lines in a profile display.
Real | mBarSpacing
| The distance between bars.
uint | mUpdateDisplayFrequency
| The number of frames that must elapse before the current frame display is updated.
uint | mCurrentFrame
| The number of elapsed frame, used with mUpdateDisplayFrequency.
Timer * | mTimer
| The timer used for profiling.
ulong | mTotalFrameTime
| The total time each frame takes.
bool | mEnabled
| Whether this profiler is enabled.
bool | mNewEnableState
| Keeps track of the new enabled/disabled state that the user has requested which will be applied after the frame ends.
uint32 | mProfileMask
| Mask to decide whether a type of profile is enabled or not.
DisplayMode | mDisplayMode
| How to display the overlay.
ulong | mMaxTotalFrameTime
| The max frame time recorded.
Real | mAverageFrameTime
| Rolling average of millisecs.
bool | mResetExtents

## Static Protected Attributes

static Profiler * | msSingleton

## Friends

class | ProfileInstance

## Detailed Description

The profiler allows you to measure the performance of your code.

Remarks:
  Do not create profiles directly from this unless you want a profile to last outside of its scope (i.e. the main game loop). For most cases, use the macro OgreProfile(name) and braces to limit the scope. You must enable the Profile before you can used it with setEnabled(true). If you want to disable profiling in Ogre, simply set the macro OGRE_PROFILING to 0.

Author:
  Amit Mathew (amitmathew (at) yahoo (dot) com)

Definition at line 134 of file OgreProfiler.h.

## Member Typedef Documentation

typedef set<String>::type Ogre::Profiler::DisabledProfileMap `[protected]`

Definition at line 457 of file OgreProfiler.h.

typedef list<OverlayElement*>::type Ogre::Profiler::ProfileBarList `[protected]`

Definition at line 326 of file OgreProfiler.h.

typedef ProfileInstance::ProfileChildren Ogre::Profiler::ProfileChildren `[protected]`

Definition at line 458 of file OgreProfiler.h.

## Member Enumeration Documentation

enum Ogre::Profiler::DisplayMode

Enumerator:

  DISPLAY_PERCENTAGE | Display % frame usage on the overlay.
  DISPLAY_MILLISECONDS | Display milliseconds on the overlay.

Definition at line 252 of file OgreProfiler.h.

## Constructor & Destructor Documentation

Ogre::Profiler::Profiler | ( |  | ) |

Ogre::Profiler::~Profiler | ( |  | ) |

## Member Function Documentation

void Ogre::Profiler::beginGPUEvent | ( | const String & | event | ) |

Mark the beginning of a GPU event group.

Remarks:
  Can be safely called in the middle of the profile.

void Ogre::Profiler::beginProfile | ( | const String & | profileName,
|  | uint32 | groupID = `(uint32) OGREPROF_USER_DEFAULT`
| ) |  |

Begins a profile.

Remarks:
  Use the macro OgreProfileBegin(name) instead of calling this directly so that profiling can be ignored in the release version of your app.
  You only use the macro (or this) if you want a profile to last outside of its scope (i.e. the main game loop). If you use this function, make sure you use a corresponding OgreProfileEnd(name). Usually you would use the macro OgreProfile(name). This function will be ignored for a profile that has been disabled or if the profiler is disabled.

Parameters:

  profileName | Must be unique and must not be an empty string
  groupID | A profile group identifier, which can allow you to mask profiles

void Ogre::Profiler::changeEnableState | ( |  | ) | `[protected]`

Handles a change of the profiler's enabled state.

OverlayContainer* Ogre::Profiler::createContainer | ( |  | ) | `[protected]`

An internal function to create the container which will hold our display elements.

OverlayElement* Ogre::Profiler::createPanel | ( | const String & | name,
|  | Real | width,
|  | Real | height,
|  | Real | top,
|  | Real | left,
|  | const String & | materialName,
|  | bool | show = `true`
| ) |  | `[protected]`

An internal function to create a panel.

OverlayElement* Ogre::Profiler::createTextArea | ( | const String & | name,
|  | Real | width,
|  | Real | height,
|  | Real | top,
|  | Real | left,
|  | uint | fontSize,
|  | const String & | caption,
|  | bool | show = `true`
| ) |  | `[protected]`

An internal function to create a text area.

void Ogre::Profiler::disableProfile | ( | const String & | profileName | ) |

Disables a profile.

Remarks:
  Can be safely called in the middle of the profile.

void Ogre::Profiler::displayResults | ( | void |  | ) | `[protected]`

void Ogre::Profiler::displayResults | ( | ProfileInstance * | instance,
|  | ProfileBarList::iterator & | bIter,
|  | Real & | maxTimeMillisecs,
|  | Real & | newGuiHeight,
|  | int & | profileCount
| ) |  | `[protected]`

Prints the profiling results of each frame.

Remarks:
  Recursive, for all the little children.

void Ogre::Profiler::enableProfile | ( | const String & | profileName | ) |

Enables a previously disabled profile.

Remarks:
  Can be safely called in the middle of the profile.

void Ogre::Profiler::endGPUEvent | ( | const String & | event | ) |

Mark the end of a GPU event group.

Remarks:
  Can be safely called in the middle of the profile.

void Ogre::Profiler::endProfile | ( | const String & | profileName,
|  | uint32 | groupID = `(uint32) OGREPROF_USER_DEFAULT`
| ) |  |

Ends a profile.

Remarks:
  Use the macro OgreProfileEnd(name) instead of calling this directly so that profiling can be ignored in the release version of your app.
  This function is usually not called directly unless you want a profile to last outside of its scope. In most cases, using the macro OgreProfile(name) which will call this function automatically when it goes out of scope. Make sure the name of this profile matches its corresponding beginProfile name. This function will be ignored for a profile that has been disabled or if the profiler is disabled.

Parameters:

  profileName | Must be unique and must not be an empty string
  groupID | A profile group identifier, which can allow you to mask profiles

DisplayMode Ogre::Profiler::getDisplayMode | ( |  | ) | const

Get the display mode for the overlay.

Definition at line 265 of file OgreProfiler.h.

bool Ogre::Profiler::getEnabled | ( |  | ) | const

Gets whether this profiler is enabled.

Real Ogre::Profiler::getOverlayHeight | ( |  | ) | const

Real Ogre::Profiler::getOverlayLeft | ( |  | ) | const

Real Ogre::Profiler::getOverlayTop | ( |  | ) | const

Real Ogre::Profiler::getOverlayWidth | ( |  | ) | const

uint32 Ogre::Profiler::getProfileGroupMask | ( |  | ) | const

Get the mask which all profiles must pass to be enabled.

Definition at line 219 of file OgreProfiler.h.

static Profiler& Ogre::Profiler::getSingleton | ( | void |  | ) | `[static]`

Override standard Singleton retrieval.

Remarks:
  Why do we do this? Well, it's because the Singleton implementation is in a .h file, which means it gets compiled into anybody who includes it. This is needed for the Singleton template to work, but we actually only want it compiled into the implementation of the class based on the Singleton, not all of them. If we don't change this, we get link errors when trying to use the Singleton-based class from an outside dll.

  This method just delegates to the template version anyway, but the implementation stays in this single compilation unit, preventing link errors.

Reimplemented from Ogre::Singleton< Profiler >.

static Profiler* Ogre::Profiler::getSingletonPtr | ( | void |  | ) | `[static]`

Override standard Singleton retrieval.

Remarks:
  Why do we do this? Well, it's because the Singleton implementation is in a .h file, which means it gets compiled into anybody who includes it. This is needed for the Singleton template to work, but we actually only want it compiled into the implementation of the class based on the Singleton, not all of them. If we don't change this, we get link errors when trying to use the Singleton-based class from an outside dll.

  This method just delegates to the template version anyway, but the implementation stays in this single compilation unit, preventing link errors.

Reimplemented from Ogre::Singleton< Profiler >.

Timer* Ogre::Profiler::getTimer | ( |  | ) |

Retrieves the timer for the profiler.

uint Ogre::Profiler::getUpdateDisplayFrequency | ( |  | ) | const

Gets the frequency that the Profiler display is updated.

void Ogre::Profiler::initialize | ( |  | ) | `[protected]`

Initializes the profiler's GUI elements.

void Ogre::Profiler::logResults | ( |  | ) |

Outputs current profile statistics to the log.

void Ogre::Profiler::markGPUEvent | ( | const String & | event | ) |

Mark a specific, ungrouped, GPU event.

Remarks:
  Can be safely called in the middle of the profile.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete | ( | void * | ptr | ) | `[inherited]`

Definition at line 95 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete | ( | void * | ptr,
|  | void * |
| ) |  | `[inherited]`

Definition at line 101 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete | ( | void * | ptr,
|  | const char * | ,
|  | int | ,
|  | const char * |
| ) |  | `[inherited]`

Definition at line 107 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete[] | ( | void * | ptr | ) | `[inherited]`

Definition at line 112 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void Ogre::AllocatedObject< Alloc >::operator delete[] | ( | void * | ptr,
|  | const char * | ,
|  | int | ,
|  | const char * |
| ) |  | `[inherited]`

Definition at line 118 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new | ( | size_t | sz,
|  | const char * | file,
|  | int | line,
|  | const char * | func
| ) |  | `[inherited]`

operator new, with debug line info

Definition at line 67 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new | ( | size_t | sz | ) | `[inherited]`

Definition at line 72 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new | ( | size_t | sz,
|  | void * | ptr
| ) |  | `[inherited]`

placement operator new

Definition at line 78 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new[] | ( | size_t | sz,
|  | const char * | file,
|  | int | line,
|  | const char * | func
| ) |  | `[inherited]`

array operator new, with debug line info

Definition at line 85 of file OgreMemoryAllocatedObject.h.

template<class Alloc >

void* Ogre::AllocatedObject< Alloc >::operator new[] | ( | size_t | sz | ) | `[inherited]`

Definition at line 90 of file OgreMemoryAllocatedObject.h.

void Ogre::Profiler::processFrameStats | ( | void |  | ) | `[protected]`

Processes frame stats for all of the mRoot's children.

void Ogre::Profiler::processFrameStats | ( | ProfileInstance * | instance,
|  | Real & | maxFrameTime
| ) |  | `[protected]`

Processes specific ProfileInstance and it's children recursively.

void Ogre::Profiler::reset | ( |  | ) |

Clears the profiler statistics.

void Ogre::Profiler::setDisplayMode | ( | DisplayMode | d | ) |

Set the display mode for the overlay.

Definition at line 262 of file OgreProfiler.h.

void Ogre::Profiler::setEnabled | ( | bool | enabled | ) |

Sets whether this profiler is enabled.

Only takes effect after the the frame has ended.

Remarks:
  When this is called the first time with the parameter true, it initializes the GUI for the Profiler

void Ogre::Profiler::setOverlayDimensions | ( | Real | width,
|  | Real | height
| ) |  |

Set the size of the profiler overlay, in pixels.

void Ogre::Profiler::setOverlayPosition | ( | Real | left,
|  | Real | top
| ) |  |

Set the position of the profiler overlay, in pixels.

void Ogre::Profiler::setProfileGroupMask | ( | uint32 | mask | ) |

Set the mask which all profiles must pass to be enabled.

Definition at line 216 of file OgreProfiler.h.

void Ogre::Profiler::setTimer | ( | Timer * | t | ) |

Sets the timer for the profiler.

void Ogre::Profiler::setUpdateDisplayFrequency | ( | uint | freq | ) |

Sets the Profiler so the display of results are updated every n frames.

bool Ogre::Profiler::watchForLimit | ( | const String & | profileName,
|  | Real | limit,
|  | bool | greaterThan = `true`
| ) |  |

Returns true if the specified profile goes over or under the given limit frame time.

Remarks:
  If this is called during a frame, it will be reading the results from the previous frame. Therefore, it is best to use this after the frame has ended.

Parameters:

  limit | A number between 0 and 1 representing the percentage of frame time
  greaterThan | If true, this will return whether the limit is exceeded. Otherwise, it will return if the frame time has gone under this limit.

bool Ogre::Profiler::watchForMax | ( | const String & | profileName | ) |

Returns true if the specified profile reaches a new frame time maximum.

Remarks:
  If this is called during a frame, it will be reading the results from the previous frame. Therefore, it is best to use this after the frame has ended.

bool Ogre::Profiler::watchForMin | ( | const String & | profileName | ) |

Returns true if the specified profile reaches a new frame time minimum.

Remarks:
  If this is called during a frame, it will be reading the results from the previous frame. Therefore, it is best to use this after the frame has ended.

## Friends And Related Function Documentation

friend class ProfileInstance `[friend]`

Definition at line 324 of file OgreProfiler.h.

## Member Data Documentation

Real Ogre::Profiler::mAverageFrameTime `[protected]`

Rolling average of millisecs.

Definition at line 539 of file OgreProfiler.h.

Real Ogre::Profiler::mBarHeight `[protected]`

The height of each bar.

Definition at line 483 of file OgreProfiler.h.

Real Ogre::Profiler::mBarIndent `[protected]`

The size of the indent for each profile display bar.

Definition at line 498 of file OgreProfiler.h.

Real Ogre::Profiler::mBarLineWidth `[protected]`

The width of the min, avg, and max lines in a profile display.

Definition at line 504 of file OgreProfiler.h.

Real Ogre::Profiler::mBarSpacing `[protected]`

The distance between bars.

Definition at line 507 of file OgreProfiler.h.

ProfileInstance* Ogre::Profiler::mCurrent `[protected]`

Definition at line 460 of file OgreProfiler.h.

uint Ogre::Profiler::mCurrentFrame `[protected]`

The number of elapsed frame, used with mUpdateDisplayFrequency.

Definition at line 514 of file OgreProfiler.h.

DisabledProfileMap Ogre::Profiler::mDisabledProfiles `[protected]`

Holds the names of disabled profiles.

Definition at line 465 of file OgreProfiler.h.

DisplayMode Ogre::Profiler::mDisplayMode `[protected]`

How to display the overlay.

Definition at line 533 of file OgreProfiler.h.

bool Ogre::Profiler::mEnabled `[protected]`

Whether this profiler is enabled.

Definition at line 523 of file OgreProfiler.h.

Real Ogre::Profiler::mGuiBorderWidth `[protected]`

The width of the border between the profile window and each bar.

Definition at line 501 of file OgreProfiler.h.

Real Ogre::Profiler::mGuiHeight `[protected]`

The height of the stats window.

Definition at line 486 of file OgreProfiler.h.

Real Ogre::Profiler::mGuiLeft `[protected]`

The horz position of the stats window.

Definition at line 492 of file OgreProfiler.h.

Real Ogre::Profiler::mGuiTop `[protected]`

The vertical position of the stats window.

Definition at line 495 of file OgreProfiler.h.

Real Ogre::Profiler::mGuiWidth `[protected]`

The width of the stats window.

Definition at line 489 of file OgreProfiler.h.

bool Ogre::Profiler::mInitialized `[protected]`

Whether the GUI elements have been initialized.

Definition at line 471 of file OgreProfiler.h.

ProfileInstance* Ogre::Profiler::mLast `[protected]`

Definition at line 461 of file OgreProfiler.h.

uint Ogre::Profiler::mMaxDisplayProfiles `[protected]`

The max number of profiles we can display.

Definition at line 474 of file OgreProfiler.h.

ulong Ogre::Profiler::mMaxTotalFrameTime `[protected]`

The max frame time recorded.

Definition at line 536 of file OgreProfiler.h.

bool Ogre::Profiler::mNewEnableState `[protected]`

Keeps track of the new enabled/disabled state that the user has requested which will be applied after the frame ends.

Definition at line 527 of file OgreProfiler.h.

Overlay* Ogre::Profiler::mOverlay `[protected]`

The overlay which contains our profiler results display.

Definition at line 477 of file OgreProfiler.h.

ProfileBarList Ogre::Profiler::mProfileBars `[protected]`

Holds the display bars for each profile results.

Definition at line 468 of file OgreProfiler.h.

OverlayContainer* Ogre::Profiler::mProfileGui `[protected]`

The window that displays the profiler results.

Definition at line 480 of file OgreProfiler.h.

uint32 Ogre::Profiler::mProfileMask `[protected]`

Mask to decide whether a type of profile is enabled or not.

Definition at line 530 of file OgreProfiler.h.

bool Ogre::Profiler::mResetExtents `[protected]`

Definition at line 540 of file OgreProfiler.h.

ProfileInstance Ogre::Profiler::mRoot `[protected]`

Definition at line 462 of file OgreProfiler.h.

Profiler * Ogre::Singleton< Profiler >::msSingleton `[static, protected, inherited]`

Definition at line 75 of file OgreSingleton.h.

Timer* Ogre::Profiler::mTimer `[protected]`

The timer used for profiling.

Definition at line 517 of file OgreProfiler.h.

ulong Ogre::Profiler::mTotalFrameTime `[protected]`

The total time each frame takes.

Definition at line 520 of file OgreProfiler.h.

uint Ogre::Profiler::mUpdateDisplayFrequency `[protected]`

The number of frames that must elapse before the current frame display is updated.

Definition at line 511 of file OgreProfiler.h.

The documentation for this class was generated from the following file:

- OgreProfiler.h

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:34