mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-22 14:44:34 +00:00
Wait stacks are context switches.
This commit is contained in:
Bartosz Taudul
parent
585587fa36
commit
06a840c19a
@ -6649,239 +6649,6 @@ void View::DrawRangeEntry( Range& range, const char* label, uint32_t color, cons
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}
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}
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void View::DrawWaitStacks()
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{
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const auto scale = GetScale();
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ImGui::SetNextWindowSize( ImVec2( 1400 * scale, 500 * scale ), ImGuiCond_FirstUseEver );
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ImGui::Begin( "Wait stacks", &m_showWaitStacks );
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if( ImGui::GetCurrentWindowRead()->SkipItems ) { ImGui::End(); return; }
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#ifdef TRACY_NO_STATISTICS
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ImGui::TextWrapped( "Rebuild without the TRACY_NO_STATISTICS macro to enable wait stacks." );
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#else
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uint64_t totalCount = 0;
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unordered_flat_map<uint32_t, uint64_t> stacks;
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for( auto& t : m_threadOrder )
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{
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if( WaitStackThread( t->id ) )
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{
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auto it = t->ctxSwitchSamples.begin();
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auto end = t->ctxSwitchSamples.end();
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if( m_waitStackRange.active )
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{
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it = std::lower_bound( it, end, m_waitStackRange.min, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } );
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end = std::lower_bound( it, end, m_waitStackRange.max, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } );
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}
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totalCount += std::distance( it, end );
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while( it != end )
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{
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auto cs = it->callstack.Val();
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auto cit = stacks.find( cs );
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if( cit == stacks.end() )
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{
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stacks.emplace( cs, 1 );
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}
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else
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{
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cit->second++;
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}
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++it;
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}
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}
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}
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ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 2, 2 ) );
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if( ImGui::RadioButton( ICON_FA_TABLE " List", m_waitStackMode == 0 ) ) m_waitStackMode = 0;
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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if( ImGui::RadioButton( ICON_FA_TREE " Bottom-up tree", m_waitStackMode == 1 ) ) m_waitStackMode = 1;
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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if( ImGui::RadioButton( ICON_FA_TREE " Top-down tree", m_waitStackMode == 2 ) ) m_waitStackMode = 2;
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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TextFocused( "Total wait stacks:", RealToString( m_worker.GetContextSwitchSampleCount() ) );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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TextFocused( "Selected:", RealToString( totalCount ) );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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if( ImGui::Checkbox( "Limit range", &m_waitStackRange.active ) )
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{
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if( m_waitStackRange.active && m_waitStackRange.min == 0 && m_waitStackRange.max == 0 )
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{
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m_waitStackRange.min = m_vd.zvStart;
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m_waitStackRange.max = m_vd.zvEnd;
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}
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}
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if( m_waitStackRange.active )
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{
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ImGui::SameLine();
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TextColoredUnformatted( 0xFF00FFFF, ICON_FA_EXCLAMATION_TRIANGLE );
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ImGui::SameLine();
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ToggleButton( ICON_FA_RULER " Limits", m_showRanges );
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}
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ImGui::PopStyleVar();
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bool threadsChanged = false;
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auto expand = ImGui::TreeNode( ICON_FA_RANDOM " Visible threads:" );
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ImGui::SameLine();
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ImGui::TextDisabled( "(%zu)", m_threadOrder.size() );
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if( expand )
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{
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auto& crash = m_worker.GetCrashEvent();
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ImGui::SameLine();
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if( ImGui::SmallButton( "Select all" ) )
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{
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for( const auto& t : m_threadOrder )
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{
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WaitStackThread( t->id ) = true;
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}
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threadsChanged = true;
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}
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ImGui::SameLine();
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if( ImGui::SmallButton( "Unselect all" ) )
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{
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for( const auto& t : m_threadOrder )
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{
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WaitStackThread( t->id ) = false;
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}
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threadsChanged = true;
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}
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int idx = 0;
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for( const auto& t : m_threadOrder )
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{
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if( t->ctxSwitchSamples.empty() ) continue;
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ImGui::PushID( idx++ );
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const auto threadColor = GetThreadColor( t->id, 0 );
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SmallColorBox( threadColor );
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ImGui::SameLine();
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if( SmallCheckbox( m_worker.GetThreadName( t->id ), &WaitStackThread( t->id ) ) )
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{
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threadsChanged = true;
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}
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ImGui::PopID();
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ImGui::SameLine();
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ImGui::TextDisabled( "(%s)", RealToString( t->ctxSwitchSamples.size() ) );
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if( crash.thread == t->id )
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{
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ImGui::SameLine();
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TextColoredUnformatted( ImVec4( 1.f, 0.2f, 0.2f, 1.f ), ICON_FA_SKULL " Crashed" );
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}
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if( t->isFiber )
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{
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ImGui::SameLine();
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TextColoredUnformatted( ImVec4( 0.2f, 0.6f, 0.2f, 1.f ), "Fiber" );
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}
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}
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ImGui::TreePop();
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}
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if( threadsChanged ) m_waitStack = 0;
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ImGui::Separator();
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ImGui::BeginChild( "##waitstacks" );
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if( stacks.empty() )
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{
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ImGui::TextUnformatted( "No wait stacks to display." );
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}
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else
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{
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switch( m_waitStackMode )
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{
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case 0:
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{
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TextDisabledUnformatted( "Wait stack:" );
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ImGui::SameLine();
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if( ImGui::SmallButton( " " ICON_FA_CARET_LEFT " " ) )
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{
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m_waitStack = std::max( m_waitStack - 1, 0 );
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}
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ImGui::SameLine();
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ImGui::Text( "%s / %s", RealToString( m_waitStack + 1 ), RealToString( stacks.size() ) );
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if( ImGui::IsItemClicked() ) ImGui::OpenPopup( "WaitStacksPopup" );
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ImGui::SameLine();
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if( ImGui::SmallButton( " " ICON_FA_CARET_RIGHT " " ) )
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{
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m_waitStack = std::min<int>( m_waitStack + 1, stacks.size() - 1 );
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}
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if( ImGui::BeginPopup( "WaitStacksPopup" ) )
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{
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int sel = m_waitStack + 1;
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ImGui::SetNextItemWidth( 120 * scale );
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const bool clicked = ImGui::InputInt( "##waitStack", &sel, 1, 100, ImGuiInputTextFlags_EnterReturnsTrue );
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if( clicked ) m_waitStack = std::min( std::max( sel, 1 ), int( stacks.size() ) ) - 1;
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ImGui::EndPopup();
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}
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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Vector<decltype(stacks.begin())> data;
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data.reserve( stacks.size() );
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for( auto it = stacks.begin(); it != stacks.end(); ++it ) data.push_back( it );
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pdqsort_branchless( data.begin(), data.end(), []( const auto& l, const auto& r ) { return l->second > r->second; } );
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TextFocused( "Counts:", RealToString( data[m_waitStack]->second ) );
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ImGui::SameLine();
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char buf[64];
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PrintStringPercent( buf, 100. * data[m_waitStack]->second / totalCount );
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TextDisabledUnformatted( buf );
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ImGui::Separator();
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DrawCallstackTable( data[m_waitStack]->first, false );
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break;
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}
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case 1:
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{
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SmallCheckbox( "Group by function name", &m_groupWaitStackBottomUp );
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auto tree = GetCallstackFrameTreeBottomUp( stacks, m_groupCallstackTreeByNameBottomUp );
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if( !tree.empty() )
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{
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int idx = 0;
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DrawFrameTreeLevel( tree, idx );
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}
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else
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{
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TextDisabledUnformatted( "No call stacks to show" );
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}
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break;
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}
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case 2:
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{
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SmallCheckbox( "Group by function name", &m_groupWaitStackTopDown );
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auto tree = GetCallstackFrameTreeTopDown( stacks, m_groupCallstackTreeByNameTopDown );
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if( !tree.empty() )
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{
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int idx = 0;
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DrawFrameTreeLevel( tree, idx );
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}
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else
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{
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TextDisabledUnformatted( "No call stacks to show" );
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}
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break;
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}
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default:
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assert( false );
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break;
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}
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}
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#endif
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ImGui::EndChild();
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ImGui::End();
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}
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void View::DrawAllocList()
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{
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const auto scale = GetScale();
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@ -374,4 +374,237 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleDat
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}
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}
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void View::DrawWaitStacks()
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{
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const auto scale = GetScale();
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ImGui::SetNextWindowSize( ImVec2( 1400 * scale, 500 * scale ), ImGuiCond_FirstUseEver );
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ImGui::Begin( "Wait stacks", &m_showWaitStacks );
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if( ImGui::GetCurrentWindowRead()->SkipItems ) { ImGui::End(); return; }
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#ifdef TRACY_NO_STATISTICS
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ImGui::TextWrapped( "Rebuild without the TRACY_NO_STATISTICS macro to enable wait stacks." );
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#else
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uint64_t totalCount = 0;
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unordered_flat_map<uint32_t, uint64_t> stacks;
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for( auto& t : m_threadOrder )
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{
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if( WaitStackThread( t->id ) )
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{
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auto it = t->ctxSwitchSamples.begin();
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auto end = t->ctxSwitchSamples.end();
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if( m_waitStackRange.active )
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{
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it = std::lower_bound( it, end, m_waitStackRange.min, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } );
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end = std::lower_bound( it, end, m_waitStackRange.max, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } );
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}
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totalCount += std::distance( it, end );
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while( it != end )
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{
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auto cs = it->callstack.Val();
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auto cit = stacks.find( cs );
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if( cit == stacks.end() )
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{
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stacks.emplace( cs, 1 );
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}
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else
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{
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cit->second++;
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}
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++it;
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}
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}
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}
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ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 2, 2 ) );
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if( ImGui::RadioButton( ICON_FA_TABLE " List", m_waitStackMode == 0 ) ) m_waitStackMode = 0;
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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if( ImGui::RadioButton( ICON_FA_TREE " Bottom-up tree", m_waitStackMode == 1 ) ) m_waitStackMode = 1;
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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if( ImGui::RadioButton( ICON_FA_TREE " Top-down tree", m_waitStackMode == 2 ) ) m_waitStackMode = 2;
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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TextFocused( "Total wait stacks:", RealToString( m_worker.GetContextSwitchSampleCount() ) );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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TextFocused( "Selected:", RealToString( totalCount ) );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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if( ImGui::Checkbox( "Limit range", &m_waitStackRange.active ) )
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{
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if( m_waitStackRange.active && m_waitStackRange.min == 0 && m_waitStackRange.max == 0 )
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{
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m_waitStackRange.min = m_vd.zvStart;
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m_waitStackRange.max = m_vd.zvEnd;
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}
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}
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if( m_waitStackRange.active )
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{
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ImGui::SameLine();
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TextColoredUnformatted( 0xFF00FFFF, ICON_FA_EXCLAMATION_TRIANGLE );
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ImGui::SameLine();
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ToggleButton( ICON_FA_RULER " Limits", m_showRanges );
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}
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ImGui::PopStyleVar();
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bool threadsChanged = false;
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auto expand = ImGui::TreeNode( ICON_FA_RANDOM " Visible threads:" );
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ImGui::SameLine();
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ImGui::TextDisabled( "(%zu)", m_threadOrder.size() );
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if( expand )
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{
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auto& crash = m_worker.GetCrashEvent();
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ImGui::SameLine();
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if( ImGui::SmallButton( "Select all" ) )
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{
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for( const auto& t : m_threadOrder )
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{
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WaitStackThread( t->id ) = true;
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}
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threadsChanged = true;
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}
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ImGui::SameLine();
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if( ImGui::SmallButton( "Unselect all" ) )
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{
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for( const auto& t : m_threadOrder )
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{
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WaitStackThread( t->id ) = false;
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}
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threadsChanged = true;
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}
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int idx = 0;
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for( const auto& t : m_threadOrder )
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{
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if( t->ctxSwitchSamples.empty() ) continue;
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ImGui::PushID( idx++ );
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const auto threadColor = GetThreadColor( t->id, 0 );
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SmallColorBox( threadColor );
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ImGui::SameLine();
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if( SmallCheckbox( m_worker.GetThreadName( t->id ), &WaitStackThread( t->id ) ) )
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{
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threadsChanged = true;
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}
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ImGui::PopID();
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ImGui::SameLine();
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ImGui::TextDisabled( "(%s)", RealToString( t->ctxSwitchSamples.size() ) );
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if( crash.thread == t->id )
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{
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ImGui::SameLine();
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TextColoredUnformatted( ImVec4( 1.f, 0.2f, 0.2f, 1.f ), ICON_FA_SKULL " Crashed" );
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}
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if( t->isFiber )
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{
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ImGui::SameLine();
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TextColoredUnformatted( ImVec4( 0.2f, 0.6f, 0.2f, 1.f ), "Fiber" );
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}
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}
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ImGui::TreePop();
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}
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if( threadsChanged ) m_waitStack = 0;
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ImGui::Separator();
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ImGui::BeginChild( "##waitstacks" );
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if( stacks.empty() )
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{
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ImGui::TextUnformatted( "No wait stacks to display." );
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}
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else
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{
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switch( m_waitStackMode )
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{
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case 0:
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{
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TextDisabledUnformatted( "Wait stack:" );
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ImGui::SameLine();
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if( ImGui::SmallButton( " " ICON_FA_CARET_LEFT " " ) )
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{
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m_waitStack = std::max( m_waitStack - 1, 0 );
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}
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ImGui::SameLine();
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ImGui::Text( "%s / %s", RealToString( m_waitStack + 1 ), RealToString( stacks.size() ) );
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if( ImGui::IsItemClicked() ) ImGui::OpenPopup( "WaitStacksPopup" );
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ImGui::SameLine();
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if( ImGui::SmallButton( " " ICON_FA_CARET_RIGHT " " ) )
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{
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m_waitStack = std::min<int>( m_waitStack + 1, stacks.size() - 1 );
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}
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if( ImGui::BeginPopup( "WaitStacksPopup" ) )
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{
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int sel = m_waitStack + 1;
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ImGui::SetNextItemWidth( 120 * scale );
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const bool clicked = ImGui::InputInt( "##waitStack", &sel, 1, 100, ImGuiInputTextFlags_EnterReturnsTrue );
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if( clicked ) m_waitStack = std::min( std::max( sel, 1 ), int( stacks.size() ) ) - 1;
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ImGui::EndPopup();
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}
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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Vector<decltype(stacks.begin())> data;
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data.reserve( stacks.size() );
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for( auto it = stacks.begin(); it != stacks.end(); ++it ) data.push_back( it );
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pdqsort_branchless( data.begin(), data.end(), []( const auto& l, const auto& r ) { return l->second > r->second; } );
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TextFocused( "Counts:", RealToString( data[m_waitStack]->second ) );
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ImGui::SameLine();
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char buf[64];
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PrintStringPercent( buf, 100. * data[m_waitStack]->second / totalCount );
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TextDisabledUnformatted( buf );
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ImGui::Separator();
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DrawCallstackTable( data[m_waitStack]->first, false );
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break;
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}
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case 1:
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{
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SmallCheckbox( "Group by function name", &m_groupWaitStackBottomUp );
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auto tree = GetCallstackFrameTreeBottomUp( stacks, m_groupCallstackTreeByNameBottomUp );
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if( !tree.empty() )
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{
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int idx = 0;
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DrawFrameTreeLevel( tree, idx );
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}
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else
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{
|
||||
TextDisabledUnformatted( "No call stacks to show" );
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 2:
|
||||
{
|
||||
SmallCheckbox( "Group by function name", &m_groupWaitStackTopDown );
|
||||
auto tree = GetCallstackFrameTreeTopDown( stacks, m_groupCallstackTreeByNameTopDown );
|
||||
if( !tree.empty() )
|
||||
{
|
||||
int idx = 0;
|
||||
DrawFrameTreeLevel( tree, idx );
|
||||
}
|
||||
else
|
||||
{
|
||||
TextDisabledUnformatted( "No call stacks to show" );
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
assert( false );
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
ImGui::EndChild();
|
||||
ImGui::End();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user