Profiler

app/inputhelp.cpp

@@ -200,9 +200,14 @@ QVector<QString> InputHelp::logHeader( bool isHtml )
   {
     retLines.push_back( QStringLiteral( "%1Mergin User Profile not available. To include it, open you Profile Page in InputApp%2" ).arg( isHtml ? "<b>" : "" ).arg( isHtml ? "</b>" : "" ) );
   }
+  retLines.push_back( QStringLiteral( "------------------------------------------" ) );
   retLines.push_back( QStringLiteral( "Screen Info:" ) );
   retLines.append( InputUtils().dumpScreenInfo().split( "\n" ).toVector() );
   retLines.push_back( QStringLiteral( "------------------------------------------" ) );
+  retLines.push_back( QStringLiteral( "Profiler Data:" ) );
+  retLines.append( InputUtils().qgisProfilerLog() );
+  retLines.push_back( QStringLiteral( "------------------------------------------" ) );
+
   return retLines;
 }
 

app/inpututils.cpp

@@ -13,6 +13,7 @@
 #include <QScreen>
 #include <QApplication>
 
+#include "qgsruntimeprofiler.h"
 #include "qcoreapplication.h"
 #include "qgsgeometrycollection.h"
 #include "qgslinestring.h"
@@ -1838,7 +1839,6 @@ bool InputUtils::rescaleImage( const QString &path, QgsProject *activeProject )
   return ImageUtils::rescale( path, quality );
 }
 
-
 QgsGeometry InputUtils::createGeometryForLayer( QgsVectorLayer *layer )
 {
   QgsGeometry geometry;
@@ -1918,7 +1918,6 @@ QgsGeometry InputUtils::createGeometryForLayer( QgsVectorLayer *layer )
   return geometry;
 }
 
-
 QString InputUtils::invalidGeometryWarning( QgsVectorLayer *layer )
 {
   QString msg;
@@ -1999,6 +1998,59 @@ QString InputUtils::layerAttribution( QgsMapLayer *layer )
   return QString();
 }
 
+const double PROFILER_THRESHOLD = 0.001;
+static double qgsRuntimeProfilerExtractModelAsText( QStringList &lines, const QString &group, const QModelIndex &parent, int level )
+{
+  double total_elapsed = 0.0;
+
+  const int rc = QgsApplication::profiler()->rowCount( parent );
+  for ( int r = 0; r < rc; r++ )
+  {
+    QModelIndex rowIndex = QgsApplication::profiler()->index( r, 0, parent );
+    if ( QgsApplication::profiler()->data( rowIndex, QgsRuntimeProfilerNode::Group ).toString() != group )
+      continue;
+    bool ok;
+    double elapsed = QgsApplication::profiler()->data( rowIndex, QgsRuntimeProfilerNode::Elapsed ).toDouble( &ok );
+    if ( !ok )
+      elapsed = 0.0;
+    total_elapsed += elapsed;
+
+    if ( elapsed > PROFILER_THRESHOLD )
+    {
+      QString name = QgsApplication::profiler()->data( rowIndex, QgsRuntimeProfilerNode::Name ).toString();
+      lines << QStringLiteral( "  %1 %2: %3 sec" ).arg( QStringLiteral( ">" ).repeated( level + 1 ),  name, QString::number( elapsed, 'f', 3 ) );
+    }
+    total_elapsed += qgsRuntimeProfilerExtractModelAsText( lines, group, rowIndex, level + 1 );
+  }
+  return total_elapsed;
+}
+
+QVector<QString> InputUtils::qgisProfilerLog()
+{
+  QVector<QString> lines;
+  const QString project = QgsProject::instance()->fileName();
+
+  if ( !project.isEmpty() )
+  {
+    lines << QStringLiteral( "QgsProject filename: %1" ).arg( project );
+  }
+
+  lines << QStringLiteral( "List of QgsRuntimeProfiler events above %1 sec" ).arg( QString::number( PROFILER_THRESHOLD, 'f', 3 ) );
+
+  const auto groups = QgsApplication::profiler()->groups();
+  for ( const QString &g : groups )
+  {
+    QVector<QString> groupLines;
+    double elapsed = qgsRuntimeProfilerExtractModelAsText( groupLines, g, QModelIndex(), 0 );
+    if ( elapsed > PROFILER_THRESHOLD )
+    {
+      lines << QStringLiteral( "  %1: total %2 sec" ).arg( g, QString::number( elapsed, 'f', 3 ) );
+      lines << groupLines;
+    }
+  }
+  return lines;
+}
+
 QList<QgsPoint> InputUtils::parsePositionUpdates( const QString &data )
 {
   QList<QgsPoint> parsedUpdates;

app/inpututils.h

@@ -299,7 +299,6 @@ class InputUtils: public QObject
      */
     Q_INVOKABLE static QString resolvePrefixForRelativePath( int relativeStorageMode, const QString &homePath, const QString &targetDir );
 
-
     /**
      * Returns absolute path of the file for given path and its prefix. If prefixPath is empty,
      * returns given path.
@@ -412,7 +411,6 @@ class InputUtils: public QObject
      */
     Q_INVOKABLE static QString evaluateExpression( const FeatureLayerPair &pair, QgsProject *activeProject, const QString &expression );
 
-
     /**
     * Returns the QVariant typeName of a \a field.
     * This is a stable identifier (compared to the provider field name).
@@ -532,6 +530,11 @@ class InputUtils: public QObject
      */
     Q_INVOKABLE static QString layerAttribution( QgsMapLayer *layer );
 
+    /**
+     * Returns QGIS profiler data
+     */
+    static QVector<QString> qgisProfilerLog();
+
   signals:
     Q_INVOKABLE void showNotificationRequested( const QString &message );