mirror/tracy
1
0
Fork 0
mirror of https://github.com/wolfpld/tracy.git synced 2024-11-22 14:44:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Cache flame graph.

Browse Source
This commit is contained in:
Bartosz Taudul 2024-09-29 00:26:00 +02:00
parent 02d60a3dde
commit 346d8a45c6
No known key found for this signature in database
GPG Key ID: B7FE2008B7575DF3
3 changed files with 78 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
profiler/src/profiler/TracyView.hpp
View File

@ -53,7 +53,6 @@ struct CpuUsageDraw;
struct CpuCtxDraw;
struct LockDraw;
struct PlotDraw;
struct FlameGraphItem;
struct FlameGraphContext;
@ -902,6 +901,18 @@ private:
bool m_achievements = false;
TaskDispatch m_td;
std::vector<FlameGraphItem> m_flameGraphData;
struct
{
uint64_t count = 0;
uint64_t lastTime = 0;
void Reset()
{
count = 0;
lastTime = 0;
}
} m_flameGraphInvariant;
};
}

112
profiler/src/profiler/TracyView_FlameGraph.cpp
View File

@ -13,13 +13,6 @@
namespace tracy
{
struct FlameGraphItem
{
int64_t srcloc;
int64_t time;
std::vector<FlameGraphItem> children;
};
void View::BuildFlameGraph( const Worker& worker, std::vector<FlameGraphItem>& data, const Vector<short_ptr<ZoneEvent>>& zones )
{
FlameGraphItem* cache;
@ -540,26 +533,26 @@ void View::DrawFlameGraph()
if( ImGui::GetCurrentWindowRead()->SkipItems ) { ImGui::End(); return; }
ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 2, 2 ) );
ImGui::RadioButton( ICON_FA_SYRINGE " Instrumentation", &m_flameMode, 0 );
if( ImGui::RadioButton( ICON_FA_SYRINGE " Instrumentation", &m_flameMode, 0 ) ) m_flameGraphInvariant.Reset();
if( m_worker.AreCallstackSamplesReady() && m_worker.GetCallstackSampleCount() > 0 )
{
ImGui::SameLine();
ImGui::RadioButton( ICON_FA_EYE_DROPPER " Sampling", &m_flameMode, 1 );
if( ImGui::RadioButton( ICON_FA_EYE_DROPPER " Sampling", &m_flameMode, 1 ) ) m_flameGraphInvariant.Reset();
}
ImGui::SameLine();
ImGui::SeparatorEx( ImGuiSeparatorFlags_Vertical );
ImGui::SameLine();
ImGui::Checkbox( ICON_FA_ARROW_UP_WIDE_SHORT " Sort by time", &m_flameSort );
if( ImGui::Checkbox( ICON_FA_ARROW_UP_WIDE_SHORT " Sort by time", &m_flameSort ) ) m_flameGraphInvariant.Reset();
if( m_flameMode == 0 )
{
if( m_worker.HasContextSwitches() )
{
ImGui::SameLine();
ImGui::Checkbox( "Running time", &m_flameRunningTime );
if( ImGui::Checkbox( "Running time", &m_flameRunningTime ) ) m_flameGraphInvariant.Reset();
}
else
{
@ -593,6 +586,7 @@ void View::DrawFlameGraph()
{
FlameGraphThread( t->id ) = true;
}
m_flameGraphInvariant.Reset();
}
ImGui::SameLine();
if( ImGui::SmallButton( "Unselect all" ) )
@ -601,6 +595,7 @@ void View::DrawFlameGraph()
{
FlameGraphThread( t->id ) = false;
}
m_flameGraphInvariant.Reset();
}
int idx = 0;
@ -610,7 +605,7 @@ void View::DrawFlameGraph()
const auto threadColor = GetThreadColor( t->id, 0 );
SmallColorBox( threadColor );
ImGui::SameLine();
SmallCheckbox( m_worker.GetThreadName( t->id ), &FlameGraphThread( t->id ) );
if( SmallCheckbox( m_worker.GetThreadName( t->id ), &FlameGraphThread( t->id ) ) ) m_flameGraphInvariant.Reset();
ImGui::PopID();
if( t->isFiber )
{
@ -624,73 +619,82 @@ void View::DrawFlameGraph()
ImGui::Separator();
ImGui::PopStyleVar();
size_t sz = 0;
for( auto& thread : m_threadOrder ) if( FlameGraphThread( thread->id ) ) sz++;
std::vector<std::vector<FlameGraphItem>> threadData;
threadData.resize( sz );
size_t idx = 0;
if( m_flameMode == 0 )
if( m_flameMode == 0 && ( m_flameGraphInvariant.count != m_worker.GetZoneCount() || m_flameGraphInvariant.lastTime != m_worker.GetLastTime() ) ||
m_flameMode == 1 && ( m_flameGraphInvariant.count != m_worker.GetCallstackSampleCount() ) )
{
for( auto& thread : m_worker.GetThreadData() )
size_t sz = 0;
for( auto& thread : m_threadOrder ) if( FlameGraphThread( thread->id ) ) sz++;
std::vector<std::vector<FlameGraphItem>> threadData;
threadData.resize( sz );
size_t idx = 0;
if( m_flameMode == 0 )
{
if( FlameGraphThread( thread->id ) )
for( auto& thread : m_worker.GetThreadData() )
{
if( m_flameRunningTime )
if( FlameGraphThread( thread->id ) )
{
const auto ctx = m_worker.GetContextSwitchData( thread->id );
if( ctx )
if( m_flameRunningTime )
{
m_td.Queue( [this, idx, ctx, thread, &threadData] {
BuildFlameGraph( m_worker, threadData[idx], thread->timeline, ctx );
const auto ctx = m_worker.GetContextSwitchData( thread->id );
if( ctx )
{
m_td.Queue( [this, idx, ctx, thread, &threadData] {
BuildFlameGraph( m_worker, threadData[idx], thread->timeline, ctx );
} );
}
}
else
{
m_td.Queue( [this, idx, thread, &threadData] {
BuildFlameGraph( m_worker, threadData[idx], thread->timeline );
} );
}
idx++;
}
else
}
m_flameGraphInvariant.count = m_worker.GetZoneCount();
m_flameGraphInvariant.lastTime = m_worker.GetLastTime();
}
else
{
for( auto& thread : m_worker.GetThreadData() )
{
if( FlameGraphThread( thread->id ) )
{
m_td.Queue( [this, idx, thread, &threadData] {
BuildFlameGraph( m_worker, threadData[idx], thread->timeline );
BuildFlameGraph( m_worker, threadData[idx], thread->samples );
} );
idx++;
}
idx++;
}
m_flameGraphInvariant.count = m_worker.GetCallstackSampleCount();
}
}
else
{
for( auto& thread : m_worker.GetThreadData() )
m_td.Sync();
m_flameGraphData.clear();
if( !threadData.empty() )
{
if( FlameGraphThread( thread->id ) )
std::swap( m_flameGraphData, threadData[0] );
for( size_t i=1; i<threadData.size(); i++ )
{
m_td.Queue( [this, idx, thread, &threadData] {
BuildFlameGraph( m_worker, threadData[idx], thread->samples );
} );
idx++;
MergeFlameGraph( m_flameGraphData, std::move( threadData[i] ) );
}
}
}
m_td.Sync();
std::vector<FlameGraphItem> data;
if( !threadData.empty() )
{
std::swap( data, threadData[0] );
for( size_t i=1; i<threadData.size(); i++ )
{
MergeFlameGraph( data, std::move( threadData[i] ) );
}
if( m_flameSort ) SortFlameGraph( m_flameGraphData );
}
if( m_flameSort ) SortFlameGraph( data );
int64_t zsz = 0;
for( auto& v : data ) zsz += v.time;
for( auto& v : m_flameGraphData ) zsz += v.time;
ImGui::BeginChild( "##flameGraph" );
const auto region = ImGui::GetContentRegionAvail();
if( data.empty() )
if( m_flameGraphData.empty() )
{
ImGui::PushFont( m_bigFont );
ImGui::Dummy( ImVec2( 0, ( region.y - ImGui::GetTextLineHeight() * 2 ) * 0.5f ) );
@ -713,7 +717,7 @@ void View::DrawFlameGraph()
ImGui::ItemSize( region );
uint64_t ts = 0;
for( auto& v : data )
for( auto& v : m_flameGraphData )
{
DrawFlameGraphItem( v, ctx, ts, 0, m_flameMode == 1 );
ts += v.time;

8
server/TracyEvent.hpp
View File

@ -845,6 +845,14 @@ struct SymbolStats
enum { SymbolStatsSize = sizeof( SymbolStats ) };
struct FlameGraphItem
{
int64_t srcloc;
int64_t time;
std::vector<FlameGraphItem> children;
};
}
#endif