From 06a840c19afc6f4689ed625aa9a6d1582f084b48 Mon Sep 17 00:00:00 2001 From: Bartosz Taudul Date: Sat, 2 Jul 2022 15:00:32 +0200 Subject: [PATCH] Wait stacks are context switches. --- server/TracyView.cpp | 233 ----------------------------- server/TracyView_ContextSwitch.cpp | 233 +++++++++++++++++++++++++++++ 2 files changed, 233 insertions(+), 233 deletions(-) diff --git a/server/TracyView.cpp b/server/TracyView.cpp index ac24a109..e8263818 100644 --- a/server/TracyView.cpp +++ b/server/TracyView.cpp @@ -6649,239 +6649,6 @@ void View::DrawRangeEntry( Range& range, const char* label, uint32_t color, cons } } -void View::DrawWaitStacks() -{ - const auto scale = GetScale(); - ImGui::SetNextWindowSize( ImVec2( 1400 * scale, 500 * scale ), ImGuiCond_FirstUseEver ); - ImGui::Begin( "Wait stacks", &m_showWaitStacks ); - if( ImGui::GetCurrentWindowRead()->SkipItems ) { ImGui::End(); return; } -#ifdef TRACY_NO_STATISTICS - ImGui::TextWrapped( "Rebuild without the TRACY_NO_STATISTICS macro to enable wait stacks." ); -#else - uint64_t totalCount = 0; - unordered_flat_map stacks; - for( auto& t : m_threadOrder ) - { - if( WaitStackThread( t->id ) ) - { - auto it = t->ctxSwitchSamples.begin(); - auto end = t->ctxSwitchSamples.end(); - if( m_waitStackRange.active ) - { - it = std::lower_bound( it, end, m_waitStackRange.min, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } ); - end = std::lower_bound( it, end, m_waitStackRange.max, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } ); - } - totalCount += std::distance( it, end ); - while( it != end ) - { - auto cs = it->callstack.Val(); - auto cit = stacks.find( cs ); - if( cit == stacks.end() ) - { - stacks.emplace( cs, 1 ); - } - else - { - cit->second++; - } - ++it; - } - } - } - - ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 2, 2 ) ); - if( ImGui::RadioButton( ICON_FA_TABLE " List", m_waitStackMode == 0 ) ) m_waitStackMode = 0; - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - if( ImGui::RadioButton( ICON_FA_TREE " Bottom-up tree", m_waitStackMode == 1 ) ) m_waitStackMode = 1; - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - if( ImGui::RadioButton( ICON_FA_TREE " Top-down tree", m_waitStackMode == 2 ) ) m_waitStackMode = 2; - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical ); - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - TextFocused( "Total wait stacks:", RealToString( m_worker.GetContextSwitchSampleCount() ) ); - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - TextFocused( "Selected:", RealToString( totalCount ) ); - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical ); - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - if( ImGui::Checkbox( "Limit range", &m_waitStackRange.active ) ) - { - if( m_waitStackRange.active && m_waitStackRange.min == 0 && m_waitStackRange.max == 0 ) - { - m_waitStackRange.min = m_vd.zvStart; - m_waitStackRange.max = m_vd.zvEnd; - } - } - if( m_waitStackRange.active ) - { - ImGui::SameLine(); - TextColoredUnformatted( 0xFF00FFFF, ICON_FA_EXCLAMATION_TRIANGLE ); - ImGui::SameLine(); - ToggleButton( ICON_FA_RULER " Limits", m_showRanges ); - } - ImGui::PopStyleVar(); - - bool threadsChanged = false; - auto expand = ImGui::TreeNode( ICON_FA_RANDOM " Visible threads:" ); - ImGui::SameLine(); - ImGui::TextDisabled( "(%zu)", m_threadOrder.size() ); - if( expand ) - { - auto& crash = m_worker.GetCrashEvent(); - - ImGui::SameLine(); - if( ImGui::SmallButton( "Select all" ) ) - { - for( const auto& t : m_threadOrder ) - { - WaitStackThread( t->id ) = true; - } - threadsChanged = true; - } - ImGui::SameLine(); - if( ImGui::SmallButton( "Unselect all" ) ) - { - for( const auto& t : m_threadOrder ) - { - WaitStackThread( t->id ) = false; - } - threadsChanged = true; - } - - int idx = 0; - for( const auto& t : m_threadOrder ) - { - if( t->ctxSwitchSamples.empty() ) continue; - ImGui::PushID( idx++ ); - const auto threadColor = GetThreadColor( t->id, 0 ); - SmallColorBox( threadColor ); - ImGui::SameLine(); - if( SmallCheckbox( m_worker.GetThreadName( t->id ), &WaitStackThread( t->id ) ) ) - { - threadsChanged = true; - } - ImGui::PopID(); - ImGui::SameLine(); - ImGui::TextDisabled( "(%s)", RealToString( t->ctxSwitchSamples.size() ) ); - if( crash.thread == t->id ) - { - ImGui::SameLine(); - TextColoredUnformatted( ImVec4( 1.f, 0.2f, 0.2f, 1.f ), ICON_FA_SKULL " Crashed" ); - } - if( t->isFiber ) - { - ImGui::SameLine(); - TextColoredUnformatted( ImVec4( 0.2f, 0.6f, 0.2f, 1.f ), "Fiber" ); - } - } - ImGui::TreePop(); - } - if( threadsChanged ) m_waitStack = 0; - - ImGui::Separator(); - ImGui::BeginChild( "##waitstacks" ); - if( stacks.empty() ) - { - ImGui::TextUnformatted( "No wait stacks to display." ); - } - else - { - switch( m_waitStackMode ) - { - case 0: - { - TextDisabledUnformatted( "Wait stack:" ); - ImGui::SameLine(); - if( ImGui::SmallButton( " " ICON_FA_CARET_LEFT " " ) ) - { - m_waitStack = std::max( m_waitStack - 1, 0 ); - } - ImGui::SameLine(); - ImGui::Text( "%s / %s", RealToString( m_waitStack + 1 ), RealToString( stacks.size() ) ); - if( ImGui::IsItemClicked() ) ImGui::OpenPopup( "WaitStacksPopup" ); - ImGui::SameLine(); - if( ImGui::SmallButton( " " ICON_FA_CARET_RIGHT " " ) ) - { - m_waitStack = std::min( m_waitStack + 1, stacks.size() - 1 ); - } - if( ImGui::BeginPopup( "WaitStacksPopup" ) ) - { - int sel = m_waitStack + 1; - ImGui::SetNextItemWidth( 120 * scale ); - const bool clicked = ImGui::InputInt( "##waitStack", &sel, 1, 100, ImGuiInputTextFlags_EnterReturnsTrue ); - if( clicked ) m_waitStack = std::min( std::max( sel, 1 ), int( stacks.size() ) ) - 1; - ImGui::EndPopup(); - } - ImGui::SameLine(); - ImGui::Spacing(); - ImGui::SameLine(); - Vector data; - data.reserve( stacks.size() ); - for( auto it = stacks.begin(); it != stacks.end(); ++it ) data.push_back( it ); - pdqsort_branchless( data.begin(), data.end(), []( const auto& l, const auto& r ) { return l->second > r->second; } ); - TextFocused( "Counts:", RealToString( data[m_waitStack]->second ) ); - ImGui::SameLine(); - char buf[64]; - PrintStringPercent( buf, 100. * data[m_waitStack]->second / totalCount ); - TextDisabledUnformatted( buf ); - ImGui::Separator(); - DrawCallstackTable( data[m_waitStack]->first, false ); - break; - } - case 1: - { - SmallCheckbox( "Group by function name", &m_groupWaitStackBottomUp ); - auto tree = GetCallstackFrameTreeBottomUp( stacks, m_groupCallstackTreeByNameBottomUp ); - if( !tree.empty() ) - { - int idx = 0; - DrawFrameTreeLevel( tree, idx ); - } - else - { - 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(); -} - void View::DrawAllocList() { const auto scale = GetScale(); diff --git a/server/TracyView_ContextSwitch.cpp b/server/TracyView_ContextSwitch.cpp index ee951b8f..a7400486 100644 --- a/server/TracyView_ContextSwitch.cpp +++ b/server/TracyView_ContextSwitch.cpp @@ -374,4 +374,237 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, const VectorSkipItems ) { ImGui::End(); return; } +#ifdef TRACY_NO_STATISTICS + ImGui::TextWrapped( "Rebuild without the TRACY_NO_STATISTICS macro to enable wait stacks." ); +#else + uint64_t totalCount = 0; + unordered_flat_map stacks; + for( auto& t : m_threadOrder ) + { + if( WaitStackThread( t->id ) ) + { + auto it = t->ctxSwitchSamples.begin(); + auto end = t->ctxSwitchSamples.end(); + if( m_waitStackRange.active ) + { + it = std::lower_bound( it, end, m_waitStackRange.min, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } ); + end = std::lower_bound( it, end, m_waitStackRange.max, [] ( const auto& lhs, const auto& rhs ) { return lhs.time.Val() < rhs; } ); + } + totalCount += std::distance( it, end ); + while( it != end ) + { + auto cs = it->callstack.Val(); + auto cit = stacks.find( cs ); + if( cit == stacks.end() ) + { + stacks.emplace( cs, 1 ); + } + else + { + cit->second++; + } + ++it; + } + } + } + + ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 2, 2 ) ); + if( ImGui::RadioButton( ICON_FA_TABLE " List", m_waitStackMode == 0 ) ) m_waitStackMode = 0; + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + if( ImGui::RadioButton( ICON_FA_TREE " Bottom-up tree", m_waitStackMode == 1 ) ) m_waitStackMode = 1; + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + if( ImGui::RadioButton( ICON_FA_TREE " Top-down tree", m_waitStackMode == 2 ) ) m_waitStackMode = 2; + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical ); + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + TextFocused( "Total wait stacks:", RealToString( m_worker.GetContextSwitchSampleCount() ) ); + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + TextFocused( "Selected:", RealToString( totalCount ) ); + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical ); + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + if( ImGui::Checkbox( "Limit range", &m_waitStackRange.active ) ) + { + if( m_waitStackRange.active && m_waitStackRange.min == 0 && m_waitStackRange.max == 0 ) + { + m_waitStackRange.min = m_vd.zvStart; + m_waitStackRange.max = m_vd.zvEnd; + } + } + if( m_waitStackRange.active ) + { + ImGui::SameLine(); + TextColoredUnformatted( 0xFF00FFFF, ICON_FA_EXCLAMATION_TRIANGLE ); + ImGui::SameLine(); + ToggleButton( ICON_FA_RULER " Limits", m_showRanges ); + } + ImGui::PopStyleVar(); + + bool threadsChanged = false; + auto expand = ImGui::TreeNode( ICON_FA_RANDOM " Visible threads:" ); + ImGui::SameLine(); + ImGui::TextDisabled( "(%zu)", m_threadOrder.size() ); + if( expand ) + { + auto& crash = m_worker.GetCrashEvent(); + + ImGui::SameLine(); + if( ImGui::SmallButton( "Select all" ) ) + { + for( const auto& t : m_threadOrder ) + { + WaitStackThread( t->id ) = true; + } + threadsChanged = true; + } + ImGui::SameLine(); + if( ImGui::SmallButton( "Unselect all" ) ) + { + for( const auto& t : m_threadOrder ) + { + WaitStackThread( t->id ) = false; + } + threadsChanged = true; + } + + int idx = 0; + for( const auto& t : m_threadOrder ) + { + if( t->ctxSwitchSamples.empty() ) continue; + ImGui::PushID( idx++ ); + const auto threadColor = GetThreadColor( t->id, 0 ); + SmallColorBox( threadColor ); + ImGui::SameLine(); + if( SmallCheckbox( m_worker.GetThreadName( t->id ), &WaitStackThread( t->id ) ) ) + { + threadsChanged = true; + } + ImGui::PopID(); + ImGui::SameLine(); + ImGui::TextDisabled( "(%s)", RealToString( t->ctxSwitchSamples.size() ) ); + if( crash.thread == t->id ) + { + ImGui::SameLine(); + TextColoredUnformatted( ImVec4( 1.f, 0.2f, 0.2f, 1.f ), ICON_FA_SKULL " Crashed" ); + } + if( t->isFiber ) + { + ImGui::SameLine(); + TextColoredUnformatted( ImVec4( 0.2f, 0.6f, 0.2f, 1.f ), "Fiber" ); + } + } + ImGui::TreePop(); + } + if( threadsChanged ) m_waitStack = 0; + + ImGui::Separator(); + ImGui::BeginChild( "##waitstacks" ); + if( stacks.empty() ) + { + ImGui::TextUnformatted( "No wait stacks to display." ); + } + else + { + switch( m_waitStackMode ) + { + case 0: + { + TextDisabledUnformatted( "Wait stack:" ); + ImGui::SameLine(); + if( ImGui::SmallButton( " " ICON_FA_CARET_LEFT " " ) ) + { + m_waitStack = std::max( m_waitStack - 1, 0 ); + } + ImGui::SameLine(); + ImGui::Text( "%s / %s", RealToString( m_waitStack + 1 ), RealToString( stacks.size() ) ); + if( ImGui::IsItemClicked() ) ImGui::OpenPopup( "WaitStacksPopup" ); + ImGui::SameLine(); + if( ImGui::SmallButton( " " ICON_FA_CARET_RIGHT " " ) ) + { + m_waitStack = std::min( m_waitStack + 1, stacks.size() - 1 ); + } + if( ImGui::BeginPopup( "WaitStacksPopup" ) ) + { + int sel = m_waitStack + 1; + ImGui::SetNextItemWidth( 120 * scale ); + const bool clicked = ImGui::InputInt( "##waitStack", &sel, 1, 100, ImGuiInputTextFlags_EnterReturnsTrue ); + if( clicked ) m_waitStack = std::min( std::max( sel, 1 ), int( stacks.size() ) ) - 1; + ImGui::EndPopup(); + } + ImGui::SameLine(); + ImGui::Spacing(); + ImGui::SameLine(); + Vector data; + data.reserve( stacks.size() ); + for( auto it = stacks.begin(); it != stacks.end(); ++it ) data.push_back( it ); + pdqsort_branchless( data.begin(), data.end(), []( const auto& l, const auto& r ) { return l->second > r->second; } ); + TextFocused( "Counts:", RealToString( data[m_waitStack]->second ) ); + ImGui::SameLine(); + char buf[64]; + PrintStringPercent( buf, 100. * data[m_waitStack]->second / totalCount ); + TextDisabledUnformatted( buf ); + ImGui::Separator(); + DrawCallstackTable( data[m_waitStack]->first, false ); + break; + } + case 1: + { + SmallCheckbox( "Group by function name", &m_groupWaitStackBottomUp ); + auto tree = GetCallstackFrameTreeBottomUp( stacks, m_groupCallstackTreeByNameBottomUp ); + if( !tree.empty() ) + { + int idx = 0; + DrawFrameTreeLevel( tree, idx ); + } + else + { + 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(); +} + }