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Implement callstack tree of memory allocations.

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This commit is contained in:
Bartosz Taudul 2018-08-14 18:37:06 +02:00
parent c2c0f887aa
commit df14cf5330
3 changed files with 138 additions and 0 deletions
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10
server/TracyEvent.hpp
View File

@ -171,6 +171,16 @@ struct CallstackFrame
enum { CallstackFrameSize = sizeof( CallstackFrame ) };
struct CallstackFrameTree
{
uint64_t frame;
uint64_t allocExclusive, allocInclusive;
uint32_t countExclusive, countInclusive;
std::vector<CallstackFrameTree> children;
};
enum { CallstackFrameTreeSize = sizeof( CallstackFrameTree ) };
#pragma pack()

125
server/TracyView.cpp
View File

@ -6006,6 +6006,47 @@ void View::ListMemData( T ptr, T end, std::function<void(T&)> DrawAddress, const
ImGui::EndChild();
}
static inline CallstackFrameTree* GetFrameTreeItem( std::vector<CallstackFrameTree>& tree, uint64_t idx )
{
auto it = std::find_if( tree.begin(), tree.end(), [idx] ( const auto& v ) { return v.frame == idx; } );
if( it == tree.end() )
{
tree.emplace_back( CallstackFrameTree { idx } );
return &tree.back();
}
else
{
return &*it;
}
}
std::vector<CallstackFrameTree> View::GetCallstackFrameTree( const MemData& mem ) const
{
std::vector<CallstackFrameTree> root;
for( auto& ev : mem.data )
{
if( ev.csAlloc == 0 ) continue;
auto& cs = m_worker.GetCallstack( ev.csAlloc );
auto base = cs.back();
auto treePtr = GetFrameTreeItem( root, base );
treePtr->countInclusive++;
treePtr->allocInclusive += ev.size;
for( int i = int( cs.size() ) - 2; i >= 0; i-- )
{
treePtr = GetFrameTreeItem( treePtr->children, cs[i] );
treePtr->countInclusive++;
treePtr->allocInclusive += ev.size;
}
treePtr->countExclusive++;
treePtr->allocExclusive += ev.size;
}
return root;
}
enum { ChunkBits = 10 };
enum { PageBits = 10 };
enum { PageSize = 1 << PageBits };
@ -6265,9 +6306,93 @@ void View::DrawMemory()
ImGui::TreePop();
}
ImGui::Separator();
if( ImGui::TreeNode( "Call stack tree" ) )
{
ImGui::TextDisabled( "Press ctrl key to display allocation info tooltip." );
auto& mem = m_worker.GetMemData();
auto tree = GetCallstackFrameTree( mem );
DrawFrameTreeLevel( tree );
ImGui::TreePop();
}
ImGui::End();
}
void View::DrawFrameTreeLevel( std::vector<CallstackFrameTree>& tree ) const
{
auto& io = ImGui::GetIO();
int idx = 0;
pdqsort_branchless( tree.begin(), tree.end(), [] ( const auto& lhs, const auto& rhs ) { return lhs.allocInclusive > rhs.allocInclusive; } );
for( auto& v : tree )
{
auto frame = m_worker.GetCallstackFrame( v.frame );
bool expand = false;
if( v.children.empty() )
{
ImGui::Indent( ImGui::GetTreeNodeToLabelSpacing() );
ImGui::Text( "%s", m_worker.GetString( frame->name ) );
ImGui::Unindent( ImGui::GetTreeNodeToLabelSpacing() );
}
else
{
ImGui::PushID( idx++ );
expand = ImGui::TreeNode( m_worker.GetString( frame->name ) );
ImGui::PopID();
}
if( io.KeyCtrl && ImGui::IsItemHovered() )
{
ImGui::BeginTooltip();
ImGui::TextColored( ImVec4( 0.4, 0.4, 0.1, 1.0 ), "Inclusive alloc size:" );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.8, 0.8, 0.2, 1.0 ), "%s", MemSizeToString( v.allocInclusive ) );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.4, 0.4, 0.1, 1.0 ), "count:" );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.8, 0.8, 0.2, 1.0 ), "%s", RealToString( v.countInclusive, true ) );
ImGui::TextColored( ImVec4( 0.1, 0.4, 0.4, 1.0 ), "Exclusive alloc size:" );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.2, 0.8, 0.8, 1.0 ), "%s", MemSizeToString( v.allocExclusive ) );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.1, 0.4, 0.4, 1.0 ), "count:" );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.2, 0.8, 0.8, 1.0 ), "%s", RealToString( v.countExclusive, true ) );
ImGui::EndTooltip();
}
if( v.allocExclusive != v.allocInclusive )
{
ImGui::SameLine();
ImGui::TextDisabled( "%s:%i", m_worker.GetString( frame->file ), frame->line );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.4, 0.4, 0.1, 1.0 ), "I:" );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.8, 0.8, 0.2, 1.0 ), "%s (%s)", MemSizeToString( v.allocInclusive ), RealToString( v.countInclusive, true ) );
}
if( v.allocExclusive != 0 )
{
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.1, 0.4, 0.4, 1.0 ), "E:" );
ImGui::SameLine();
ImGui::TextColored( ImVec4( 0.2, 0.8, 0.8, 1.0 ), "%s (%s)", MemSizeToString( v.allocExclusive ), RealToString( v.countExclusive, true ) );
}
if( expand )
{
DrawFrameTreeLevel( v.children );
ImGui::TreePop();
}
}
}
std::pair<int8_t*, size_t> View::GetMemoryPages() const
{
const auto& mem = m_worker.GetMemData();

3
server/TracyView.hpp
View File

@ -90,6 +90,9 @@ private:
template<class T>
void ListMemData( T ptr, T end, std::function<void(T&)> DrawAddress, const char* id = nullptr );
std::vector<CallstackFrameTree> GetCallstackFrameTree( const MemData& mem ) const;
void DrawFrameTreeLevel( std::vector<CallstackFrameTree>& tree ) const;
void DrawInfoWindow();
void DrawZoneInfoWindow();
void DrawGpuInfoWindow();