Provides a method of recording run time profiles of operations, allowing easy recording of their overall run time. More...

#include <qgsruntimeprofiler.h>

Inheritance diagram for QgsRuntimeProfiler:

[legend]

Public Member Functions
	QgsRuntimeProfiler ()
	Constructor to create a new runtime profiler.

	~QgsRuntimeProfiler () override

QString	asText (const QString &group=QString())
	Returns the model as a multi-line text string.

Q_DECL_DEPRECATED void	beginGroup (const QString &name)
	Begin the group for the profiler.

QStringList	childGroups (const QString &parent=QString(), const QString &group="startup") const
	Returns a list of all child groups with the specified parent.

void	clear (const QString &group="startup")
	clear Clear all profile data.

int	columnCount (const QModelIndex &parent=QModelIndex()) const override

QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override

void	end (const QString &group="startup")
	End the current profile event.

Q_DECL_DEPRECATED void	endGroup ()
	End the current active group.

void	groupAdded (const QString &group)
	Emitted when a new group has started being profiled.

bool	groupIsActive (const QString &group) const
	Returns `true` if the specified group is currently being logged, i.e.

QSet< QString >	groups () const
	Returns the set of known groups.

QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override

QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const override

QModelIndex	parent (const QModelIndex &child) const override

double	profileTime (const QString &name, const QString &group="startup") const
	Returns the profile time for the specified name.

void	record (const QString &name, double time, const QString &group="startup", const QString &id=QString())
	Manually adds a profile event with the given name and total time (in seconds).

int	rowCount (const QModelIndex &parent=QModelIndex()) const override

void	start (const QString &name, const QString &group="startup", const QString &id=QString())
	Start a profile event with the given name.

double	totalTime (const QString &group="startup")
	The current total time collected in the profiler.

Static Public Member Functions
static QString	translateGroupName (const QString &group)
	Returns the translated name of a standard profile group.

Friends
class	QgsApplication

Detailed Description

Provides a method of recording run time profiles of operations, allowing easy recording of their overall run time.

QgsRuntimeProfiler is not usually instantied manually, but rather accessed through QgsApplication::profiler().

This class is thread-safe only if accessed through QgsApplication::profiler(). If accessed in this way, operations can be profiled from non-main threads.

Definition at line 187 of file qgsruntimeprofiler.h.

Constructor & Destructor Documentation

◆ QgsRuntimeProfiler()

QgsRuntimeProfiler::QgsRuntimeProfiler ( )

Constructor to create a new runtime profiler.

Warning: QgsRuntimeProfiler is not usually instantied manually, but rather accessed through QgsApplication::profiler().

Definition at line 166 of file qgsruntimeprofiler.cpp.

◆ ~QgsRuntimeProfiler()

QgsRuntimeProfiler::~QgsRuntimeProfiler ( )

overridedefault

Member Function Documentation

◆ asText()

QString QgsRuntimeProfiler::asText ( const QString & group = QString() )

Returns the model as a multi-line text string.

Parameters

group A group name to filter the model against.

Since: QGIS 3.34

Definition at line 658 of file qgsruntimeprofiler.cpp.

◆ beginGroup()

void QgsRuntimeProfiler::beginGroup ( const QString & name )

Begin the group for the profiler.

Groups will append {GroupName}/ to the front of the profile tag set using start.

Parameters

name	The name of the group.

Deprecated:: use start() instead

Definition at line 188 of file qgsruntimeprofiler.cpp.

◆ childGroups()

QStringList QgsRuntimeProfiler::childGroups	(	const QString &	parent = `QString()`,
		const QString &	group = `"startup"`
	)		const

Returns a list of all child groups with the specified parent.

Since: QGIS 3.14

Definition at line 198 of file qgsruntimeprofiler.cpp.

◆ clear()

void QgsRuntimeProfiler::clear ( const QString & group = "startup" )

clear Clear all profile data.

Definition at line 314 of file qgsruntimeprofiler.cpp.

◆ columnCount()

int QgsRuntimeProfiler::columnCount ( const QModelIndex & parent = QModelIndex() ) const

override

Definition at line 360 of file qgsruntimeprofiler.cpp.

◆ data()

QVariant QgsRuntimeProfiler::data	(	const QModelIndex &	index,
		int	role = `Qt::DisplayRole`
	)		const

override

Definition at line 395 of file qgsruntimeprofiler.cpp.

◆ end()

void QgsRuntimeProfiler::end ( const QString & group = "startup" )

End the current profile event.

Definition at line 247 of file qgsruntimeprofiler.cpp.

◆ endGroup()

void QgsRuntimeProfiler::endGroup ( )

End the current active group.

Deprecated:: use end() instead

Definition at line 193 of file qgsruntimeprofiler.cpp.

◆ groupAdded()

void QgsRuntimeProfiler::groupAdded ( const QString & group )

Emitted when a new group has started being profiled.

◆ groupIsActive()

bool QgsRuntimeProfiler::groupIsActive ( const QString & group ) const

Returns true if the specified group is currently being logged, i.e.

it has a entry which has started and not yet stopped.

Since: QGIS 3.14

Definition at line 335 of file qgsruntimeprofiler.cpp.

◆ groups()

QSet< QString > QgsRuntimeProfiler::groups ( ) const

inline

Returns the set of known groups.

Definition at line 269 of file qgsruntimeprofiler.h.

◆ headerData()

QVariant QgsRuntimeProfiler::headerData	(	int	section,
		Qt::Orientation	orientation,
		int	role = `Qt::DisplayRole`
	)		const

override

Definition at line 426 of file qgsruntimeprofiler.cpp.

◆ index()

QModelIndex QgsRuntimeProfiler::index	(	int	row,
		int	column,
		const QModelIndex &	parent = `QModelIndex()`
	)		const

override

Definition at line 366 of file qgsruntimeprofiler.cpp.

◆ parent()

QModelIndex QgsRuntimeProfiler::parent ( const QModelIndex & child ) const

override

Definition at line 379 of file qgsruntimeprofiler.cpp.

◆ profileTime()

double QgsRuntimeProfiler::profileTime	(	const QString &	name,
		const QString &	group = `"startup"`
	)		const

Returns the profile time for the specified name.

Since: QGIS 3.14

Definition at line 305 of file qgsruntimeprofiler.cpp.

◆ record()

void QgsRuntimeProfiler::record	(	const QString &	name,
		double	time,
		const QString &	group = `"startup"`,
		const QString &	id = `QString()`
	)

Manually adds a profile event with the given name and total time (in seconds).

The optional id argument can be used to provider a unique ID to disambiguate nodes with the same name.

Since: QGIS 3.34

Definition at line 273 of file qgsruntimeprofiler.cpp.

◆ rowCount()

int QgsRuntimeProfiler::rowCount ( const QModelIndex & parent = QModelIndex() ) const

override

Definition at line 351 of file qgsruntimeprofiler.cpp.

◆ start()

void QgsRuntimeProfiler::start	(	const QString &	name,
		const QString &	group = `"startup"`,
		const QString &	id = `QString()`
	)

Start a profile event with the given name.

The name of the profile event. Will have the name of the active group appended after ending.

Since QGIS 3.34, the optional id argument can be used to provide a unique ID to disambiguate nodes with the same name.

Definition at line 215 of file qgsruntimeprofiler.cpp.

◆ totalTime()

double QgsRuntimeProfiler::totalTime ( const QString & group = "startup" )

The current total time collected in the profiler.

Returns: The current total time collected in the profiler.

Definition at line 327 of file qgsruntimeprofiler.cpp.

◆ translateGroupName()

QString QgsRuntimeProfiler::translateGroupName ( const QString & group )

static

Returns the translated name of a standard profile group.

Definition at line 340 of file qgsruntimeprofiler.cpp.

Friends And Related Symbol Documentation

◆ QgsApplication

friend class QgsApplication

friend

Definition at line 342 of file qgsruntimeprofiler.h.

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

/home/fischer/src/qgis-3.38/src/core/qgsruntimeprofiler.h
/home/fischer/src/qgis-3.38/src/core/qgsruntimeprofiler.cpp

Public Member Functions

Static Public Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ QgsRuntimeProfiler()

◆ ~QgsRuntimeProfiler()

Member Function Documentation

◆ asText()

◆ beginGroup()

◆ childGroups()

◆ clear()

◆ columnCount()

◆ data()

◆ end()

◆ endGroup()

◆ groupAdded()

◆ groupIsActive()

◆ groups()

◆ headerData()

◆ index()

◆ parent()

◆ profileTime()

◆ record()

◆ rowCount()

◆ start()

◆ totalTime()

◆ translateGroupName()

Friends And Related Symbol Documentation

◆ QgsApplication