Add callstack sampling statistics.

server/TracyView.cpp

@@ -10946,6 +10946,16 @@ void View::DrawStatistics()
         return;
     }
 
+    bool instrumentationTab = true;
+    const auto hasSampleData = m_worker.AreCallstackSamplesReady() && m_worker.GetCallstackSampleCount() > 0;
+    if( hasSampleData )
+    {
+        ImGui::BeginTabBar( "StatisticsTabBar" );
+        instrumentationTab = ImGui::BeginTabItem( "Instrumentation" );
+    }
+
+    if( instrumentationTab )
+    {
 #ifdef TRACY_EXTENDED_FONT
         m_statisticsFilter.Draw( ICON_FA_FILTER " Filter zones", 200 );
 #else
@@ -11110,6 +11120,146 @@ void View::DrawStatistics()
         }
         ImGui::EndColumns();
         ImGui::EndChild();
+
+        if( hasSampleData )
+        {
+            ImGui::EndTabItem();
+        }
+    }
+
+    if( hasSampleData )
+    {
+        if( ImGui::BeginTabItem( "Sampling" ) )
+        {
+
+#ifdef TRACY_EXTENDED_FONT
+            ImGui::Checkbox( ICON_FA_STOPWATCH " Show time", &m_statSampleTime );
+#else
+            ImGui::Checkbox( "Show time", &m_statSampleTime );
+#endif
+            ImGui::SameLine();
+#ifdef TRACY_EXTENDED_FONT
+            ImGui::Checkbox( ICON_FA_CLOCK " Exclusive", &m_statSelf );
+#else
+            ImGui::Checkbox( "Exclusive", &m_statSelf );
+#endif
+            ImGui::Separator();
+            ImGui::BeginChild( "##statisticsSampling" );
+
+            const auto& symMap = m_worker.GetSymbolMap();
+            const auto& symStat = m_worker.GetSymbolStats();
+
+            const auto sssz = symStat.size();
+            std::vector<decltype(symStat.begin())> data;
+            data.reserve( sssz );
+            auto statit = symStat.begin();
+            while( statit != symStat.end() )
+            {
+                data.emplace_back( statit );
+                ++statit;
+            }
+            if( m_statSelf )
+            {
+                pdqsort_branchless( data.begin(), data.end(), []( const auto& l, const auto& r ) { return l->second.excl > r->second.excl; } );
+            }
+            else
+            {
+                pdqsort_branchless( data.begin(), data.end(), []( const auto& l, const auto& r ) { return l->second.incl > r->second.incl; } );
+            }
+
+            const auto w = ImGui::GetWindowWidth();
+            static bool widthSet = false;
+            ImGui::Columns( 4 );
+            if( !widthSet )
+            {
+                widthSet = true;
+                ImGui::SetColumnWidth( 0, w * 0.3f );
+                ImGui::SetColumnWidth( 1, w * 0.45f );
+                ImGui::SetColumnWidth( 2, w * 0.15f );
+                ImGui::SetColumnWidth( 3, w * 0.1f );
+            }
+            ImGui::TextUnformatted( "Name" );
+            ImGui::NextColumn();
+            ImGui::TextUnformatted( "Location" );
+            ImGui::NextColumn();
+            ImGui::TextUnformatted( "Module" );
+            ImGui::NextColumn();
+            ImGui::TextUnformatted( m_statSampleTime ? "Time" : "Count" );
+            ImGui::NextColumn();
+            ImGui::Separator();
+
+            const auto period = m_worker.GetSamplingPeriod();
+            for( auto& v : data )
+            {
+                const auto cnt = m_statSelf ? v->second.excl : v->second.incl;
+                if( cnt > 0 )
+                {
+                    const char* name = "[unknown]";
+                    const char* file = "[unknown]";
+                    const char* imageName = "[unknown]";
+                    uint32_t line = 0;
+
+                    auto sit = symMap.find( v->first );
+                    if( sit != symMap.end() )
+                    {
+                        name = m_worker.GetString( sit->second.name );
+                        file = m_worker.GetString( sit->second.file );
+                        imageName = m_worker.GetString( sit->second.imageName );
+                        line = sit->second.line;
+                    }
+
+                    ImGui::TextUnformatted( name );
+                    ImGui::NextColumn();
+                    float indentVal = 0.f;
+                    if( m_statBuzzAnim.Match( v->first ) )
+                    {
+                        const auto time = m_statBuzzAnim.Time();
+                        indentVal = sin( time * 60.f ) * 10.f * time;
+                        ImGui::Indent( indentVal );
+                    }
+                    if( line > 0 )
+                    {
+                        ImGui::TextDisabled( "%s:%i", file, line );
+                    }
+                    else
+                    {
+                        TextDisabledUnformatted( file );
+                    }
+                    if( ImGui::IsItemClicked( 1 ) )
+                    {
+                        if( SourceFileValid( file, m_worker.GetCaptureTime() ) )
+                        {
+                            SetTextEditorFile( file, line );
+                        }
+                        else
+                        {
+                            m_statBuzzAnim.Enable( v->first, 0.5f );
+                        }
+                    }
+                    if( indentVal != 0.f )
+                    {
+                        ImGui::Unindent( indentVal );
+                    }
+                    ImGui::NextColumn();
+                    TextDisabledUnformatted( imageName );
+                    ImGui::NextColumn();
+                    if( m_statSampleTime )
+                    {
+                        ImGui::TextUnformatted( TimeToString( cnt * period ) );
+                    }
+                    else
+                    {
+                        ImGui::TextUnformatted( RealToString( cnt ) );
+                    }
+                    ImGui::NextColumn();
+                }
+            }
+            ImGui::EndColumns();
+            ImGui::EndChild();
+            ImGui::EndTabItem();
+        }
+        ImGui::EndTabBar();
+    }
 #endif
     ImGui::End();
 }

server/TracyView.hpp

@@ -343,6 +343,7 @@ private:
 
     int m_statSort = 0;
     bool m_statSelf = false;
+    bool m_statSampleTime = true;
     int m_showCallstackFrameAddress = 0;
     bool m_showUnknownFrames = true;
     bool m_groupChildrenLocations = false;

server/TracyWorker.hpp

@@ -425,6 +425,9 @@ public:
     const unordered_flat_map<int16_t, SourceLocationZones>& GetSourceLocationZones() const { return m_data.sourceLocationZones; }
     bool AreSourceLocationZonesReady() const { return m_data.sourceLocationZonesReady; }
     bool IsCpuUsageReady() const { return m_data.ctxUsageReady; }
+
+    const unordered_flat_map<uint64_t, SymbolData>& GetSymbolMap() const { return m_data.symbolMap; }
+    const unordered_flat_map<uint64_t, SymbolStats>& GetSymbolStats() const { return m_data.symbolStats; }
     bool AreCallstackSamplesReady() const { return m_data.callstackSamplesReady; }
 #endif
 
@@ -448,6 +451,7 @@ public:
     void Write( FileWrite& f );
     int GetTraceVersion() const { return m_traceVersion; }
     uint8_t GetHandshakeStatus() const { return m_handshake.load( std::memory_order_relaxed ); }
+    int64_t GetSamplingPeriod() const { return m_samplingPeriod; }
 
     static const LoadProgress& GetLoadProgress() { return s_loadProgress; }
     int64_t GetLoadTime() const { return m_loadTime; }