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Draw time measure in flame graph.

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Bartosz Taudul 2024-09-28 01:14:46 +02:00
parent 8740ea710a
commit dfcc5ae37e
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GPG Key ID: B7FE2008B7575DF3
2 changed files with 61 additions and 0 deletions
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1
profiler/src/profiler/TracyView.hpp
View File

@ -275,6 +275,7 @@ private:
void DrawSourceTooltip( const char* filename, uint32_t line, int before = 3, int after = 3, bool separateTooltip = true );
void DrawWaitStacks();
void DrawFlameGraph();
void DrawFlameGraphHeader( uint64_t timespan );
void DrawFlameGraphItem( const FlameGraphItem& item, FlameGraphContext& ctx, uint64_t ts, int depth, bool samples );
void ListMemData( std::vector<const MemEvent*>& vec, const std::function<void(const MemEvent*)>& DrawAddress, int64_t startTime = -1, uint64_t pool = 0 );

60
profiler/src/profiler/TracyView_FlameGraph.cpp
View File

@ -284,6 +284,65 @@ void View::DrawFlameGraphItem( const FlameGraphItem& item, FlameGraphContext& ct
}
}
void View::DrawFlameGraphHeader( uint64_t timespan )
{
const auto wpos = ImGui::GetCursorScreenPos();
const auto dpos = wpos + ImVec2( 0.5f, 0.5f );
const auto w = ImGui::GetContentRegionAvail().x;// - ImGui::GetStyle().ScrollbarSize;
auto draw = ImGui::GetWindowDrawList();
const auto ty = ImGui::GetTextLineHeight();
const auto ty025 = round( ty * 0.25f );
const auto ty0375 = round( ty * 0.375f );
const auto ty05 = round( ty * 0.5f );
const auto pxns = w / double( timespan );
const auto nspx = 1.0 / pxns;
const auto scale = std::max( 0.0, round( log10( nspx ) + 2 ) );
const auto step = pow( 10, scale );
ImGui::InvisibleButton( "##flameHeader", ImVec2( w, ty * 1.5f ) );
TooltipIfHovered( TimeToStringExact( ( ImGui::GetIO().MousePos.x - wpos.x ) * nspx ) );
const auto dx = step * pxns;
double x = 0;
int tw = 0;
int tx = 0;
int64_t tt = 0;
while( x < w )
{
DrawLine( draw, dpos + ImVec2( x, 0 ), dpos + ImVec2( x, ty05 ), 0x66FFFFFF );
if( tw == 0 )
{
auto txt = "0";
draw->AddText( wpos + ImVec2( x, ty05 ), 0x66FFFFFF, txt );
tw = ImGui::CalcTextSize( txt ).x;
}
else if( x > tx + tw + ty * 2 )
{
tx = x;
auto txt = TimeToString( tt );
draw->AddText( wpos + ImVec2( x, ty05 ), 0x66FFFFFF, txt );
tw = ImGui::CalcTextSize( txt ).x;
}
if( scale != 0 )
{
for( int i=1; i<5; i++ )
{
DrawLine( draw, dpos + ImVec2( x + i * dx / 10, 0 ), dpos + ImVec2( x + i * dx / 10, ty025 ), 0x33FFFFFF );
}
DrawLine( draw, dpos + ImVec2( x + 5 * dx / 10, 0 ), dpos + ImVec2( x + 5 * dx / 10, ty0375 ), 0x33FFFFFF );
for( int i=6; i<10; i++ )
{
DrawLine( draw, dpos + ImVec2( x + i * dx / 10, 0 ), dpos + ImVec2( x + i * dx / 10, ty025 ), 0x33FFFFFF );
}
}
x += dx;
tt += step;
}
}
void View::DrawFlameGraph()
{
const auto scale = GetScale();
@ -386,6 +445,7 @@ void View::DrawFlameGraph()
for( auto& v : data ) zsz += v.time;
ImGui::BeginChild( "##flameGraph" );
DrawFlameGraphHeader( m_flameMode == 0 ? zsz : zsz * m_worker.GetSamplingPeriod() );
const auto region = ImGui::GetContentRegionAvail();
FlameGraphContext ctx;