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Code Issues Projects Wiki Activity

Draw thread context switches using precalculated data.

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This commit is contained in:
Bartosz Taudul
2023-03-22 19:38:58 +01:00
parent 88f0b9c754
commit 50ccdc1ef4
4 changed files with 97 additions and 130 deletions
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server/TracyView_ContextSwitch.cpp
+90 -120
View File
@@ -3,6 +3,8 @@
#include "TracyImGui.hpp"
#include "TracyMouse.hpp"
#include "TracyPrint.hpp"
#include "TracyTimelineContext.hpp"
#include "TracyTimelineDraw.hpp"
#include "TracyView.hpp"
namespace tracy
@@ -134,37 +136,33 @@ const char* View::DecodeContextSwitchState( uint8_t state )
}
}
void View::DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleData>& sampleData, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int endOffset, bool isFiber )
void View::DrawContextSwitchList( const TimelineContext& ctx, const std::vector<ContextSwitchDraw>& drawList, int offset, int endOffset, bool isFiber )
{
const auto vStart = ctx.vStart;
const auto vEnd = ctx.vEnd;
const auto& wpos = ctx.wpos;
const auto pxns = ctx.pxns;
const auto hover = ctx.hover;
const auto w = ctx.w;
const auto ty = ctx.ty;
const auto lineSize = 2 * GetScale();
auto& vec = ctx->v;
auto it = std::lower_bound( vec.begin(), vec.end(), std::max<int64_t>( 0, m_vd.zvStart ), [] ( const auto& l, const auto& r ) { return (uint64_t)l.End() < (uint64_t)r; } );
if( it == vec.end() ) return;
if( it != vec.begin() ) --it;
auto citend = std::lower_bound( it, vec.end(), m_vd.zvEnd, [] ( const auto& l, const auto& r ) { return l.Start() < r; } );
if( it == citend ) return;
if( citend != vec.end() ) ++citend;
const auto w = ImGui::GetContentRegionAvail().x - 1;
const auto ty = round( ImGui::GetTextLineHeight() * 0.75f );
const auto ty05 = round( ty * 0.5f );
auto draw = ImGui::GetWindowDrawList();
const auto dpos = wpos + ImVec2( 0.5f, 0.5f );
const auto ty05 = round( ty * 0.5f );
auto pit = citend;
double minpx = -10.0;
while( it < citend )
for( auto& v : drawList )
{
auto& ev = *it;
if( pit != citend )
const auto& ev = *v.ev;
switch( v.type )
{
const bool migration = pit->Cpu() != ev.Cpu();
const auto px0 = std::max( { ( pit->End() - m_vd.zvStart ) * pxns, -10.0, minpx } );
const auto pxw = ( ev.WakeupVal() - m_vd.zvStart ) * pxns;
const auto px1 = std::min( ( ev.Start() - m_vd.zvStart ) * pxns, w + 10.0 );
case ContextSwitchDrawType::Waiting:
{
const auto& prev = *v.waiting.prev;
const bool migration = prev.Cpu() != ev.Cpu();
const auto px0 = std::max( { ( prev.End() - vStart ) * pxns, -10.0, double( v.minpx ) } );
const auto pxw = ( ev.WakeupVal() - vStart ) * pxns;
const auto px1 = std::min( ( ev.Start() - vStart ) * pxns, w + 10.0 );
const auto color = migration ? 0xFFEE7711 : 0xFF2222AA;
if( m_vd.darkenContextSwitches )
{
@@ -185,15 +183,15 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleDat
if( isFiber )
{
TextFocused( "Fiber is", "yielding" );
TextFocused( "Yield time:", TimeToString( ev.Start() - pit->End() ) );
TextFocused( "Yield time:", TimeToString( ev.Start() - prev.End() ) );
}
else
{
TextFocused( "Thread is", migration ? "migrating CPUs" : "waiting" );
TextFocused( "Waiting time:", TimeToString( ev.WakeupVal() - pit->End() ) );
TextFocused( "Waiting time:", TimeToString( ev.WakeupVal() - prev.End() ) );
if( migration )
{
TextFocused( "CPU:", RealToString( pit->Cpu() ) );
TextFocused( "CPU:", RealToString( prev.Cpu() ) );
ImGui::SameLine();
TextFocused( ICON_FA_RIGHT_LONG, RealToString( ev.Cpu() ) );
}
@@ -201,27 +199,27 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleDat
{
TextFocused( "CPU:", RealToString( ev.Cpu() ) );
}
if( pit->Reason() != 100 )
if( prev.Reason() != 100 )
{
TextFocused( "Wait reason:", DecodeContextSwitchReasonCode( pit->Reason() ) );
TextFocused( "Wait reason:", DecodeContextSwitchReasonCode( prev.Reason() ) );
ImGui::SameLine();
ImGui::PushFont( m_smallFont );
ImGui::AlignTextToFramePadding();
TextDisabledUnformatted( DecodeContextSwitchReason( pit->Reason() ) );
TextDisabledUnformatted( DecodeContextSwitchReason( prev.Reason() ) );
ImGui::PopFont();
}
TextFocused( "Wait state:", DecodeContextSwitchStateCode( pit->State() ) );
TextFocused( "Wait state:", DecodeContextSwitchStateCode( prev.State() ) );
ImGui::SameLine();
ImGui::PushFont( m_smallFont );
ImGui::AlignTextToFramePadding();
TextDisabledUnformatted( DecodeContextSwitchState( pit->State() ) );
TextDisabledUnformatted( DecodeContextSwitchState( prev.State() ) );
ImGui::PopFont();
}
tooltip = true;
if( IsMouseClicked( 2 ) )
{
ZoomToRange( pit->End(), ev.WakeupVal() );
ZoomToRange( prev.End(), ev.WakeupVal() );
}
}
else if( ev.WakeupVal() != ev.Start() && ImGui::IsMouseHoveringRect( wpos + ImVec2( pxw, offset ), wpos + ImVec2( px1, offset + ty ) ) )
@@ -233,115 +231,84 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleDat
TextFocused( "CPU:", RealToString( ev.Cpu() ) );
if( IsMouseClicked( 2 ) )
{
ZoomToRange( pit->End(), ev.WakeupVal() );
ZoomToRange( prev.End(), ev.WakeupVal() );
}
tooltip = true;
}
if( tooltip )
{
if( !sampleData.empty() )
const auto waitStack = v.waiting.waitStack.Val();
if( waitStack )
{
auto sdit = std::lower_bound( sampleData.begin(), sampleData.end(), ev.Start(), [] ( const auto& l, const auto& r ) { return l.time.Val() < r; } );
bool found = sdit != sampleData.end() && sdit->time.Val() == ev.Start();
if( !found && it != vec.begin() )
{
auto eit = it;
--eit;
sdit = std::lower_bound( sampleData.begin(), sampleData.end(), eit->End(), [] ( const auto& l, const auto& r ) { return l.time.Val() < r; } );
found = sdit != sampleData.end() && sdit->time.Val() == eit->End();
}
if( found )
{
ImGui::Separator();
TextDisabledUnformatted( ICON_FA_HOURGLASS_HALF " Wait stack:" );
CallstackTooltipContents( sdit->callstack.Val() );
CallstackTooltipContents( waitStack );
if( ImGui::IsMouseClicked( 0 ) )
{
m_callstackInfoWindow = sdit->callstack.Val();
m_callstackInfoWindow = waitStack;
}
}
}
ImGui::EndTooltip();
}
}
break;
}
const auto end = ev.IsEndValid() ? ev.End() : m_worker.GetLastTime();
const auto zsz = std::max( ( end - ev.Start() ) * pxns, pxns * 0.5 );
if( zsz < MinCtxSize )
case ContextSwitchDrawType::FoldedOne:
{
const auto MinCtxNs = MinCtxSize * nspx;
int num = 0;
const auto px0 = std::max( ( ev.Start() - m_vd.zvStart ) * pxns, -10.0 );
auto px1ns = end - m_vd.zvStart;
auto rend = end;
auto nextTime = end + MinCtxNs;
for(;;)
const auto px0 = std::max( ( ev.Start() - vStart ) * pxns, -10.0 );
DrawLine( draw, dpos + ImVec2( px0, offset + ty05 - 0.5f ), dpos + ImVec2( v.minpx, offset + ty05 - 0.5f ), 0xFF22DD22, lineSize );
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( v.minpx, offset + ty + 1 ) ) )
{
const auto prevIt = it;
it = std::lower_bound( it, citend, nextTime, [] ( const auto& l, const auto& r ) { return (uint64_t)l.End() < (uint64_t)r; } );
if( it == prevIt ) ++it;
num += std::distance( prevIt, it );
if( it == citend ) break;
const auto nend = it->IsEndValid() ? it->End() : m_worker.GetLastTime();
const auto nsnext = nend - m_vd.zvStart;
if( nsnext - px1ns >= MinCtxNs * 2 ) break;
px1ns = nsnext;
rend = nend;
nextTime = nend + nspx;
}
minpx = std::min( std::max( px1ns * pxns, px0+MinCtxSize ), double( w + 10 ) );
if( num == 1 )
{
DrawLine( draw, dpos + ImVec2( px0, offset + ty05 - 0.5f ), dpos + ImVec2( minpx, offset + ty05 - 0.5f ), 0xFF22DD22, lineSize );
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( minpx, offset + ty + 1 ) ) )
const auto end = v.folded.rend.Val();
ImGui::BeginTooltip();
if( isFiber )
{
ImGui::BeginTooltip();
if( isFiber )
{
const auto tid = m_worker.DecompressThread( ev.Thread() );
TextFocused( "Fiber is", "running" );
TextFocused( "Activity time:", TimeToString( end - ev.Start() ) );
TextFocused( "Thread:", m_worker.GetThreadName( tid ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%s)", RealToString( tid ) );
}
else
{
TextFocused( "Thread is", "running" );
TextFocused( "Activity time:", TimeToString( end - ev.Start() ) );
TextFocused( "CPU:", RealToString( ev.Cpu() ) );
}
ImGui::EndTooltip();
const auto tid = m_worker.DecompressThread( ev.Thread() );
TextFocused( "Fiber is", "running" );
TextFocused( "Activity time:", TimeToString( end - ev.Start() ) );
TextFocused( "Thread:", m_worker.GetThreadName( tid ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%s)", RealToString( tid ) );
}
else
{
TextFocused( "Thread is", "running" );
TextFocused( "Activity time:", TimeToString( end - ev.Start() ) );
TextFocused( "CPU:", RealToString( ev.Cpu() ) );
}
ImGui::EndTooltip();
if( IsMouseClicked( 2 ) )
{
ZoomToRange( ev.Start(), rend );
}
if( IsMouseClicked( 2 ) )
{
ZoomToRange( ev.Start(), end );
}
}
else
{
DrawZigZag( draw, wpos + ImVec2( 0, offset + ty05 ), px0, minpx, ty/4, 0xFF888888, 1.5 );
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( minpx, offset + ty + 1 ) ) )
{
ImGui::BeginTooltip();
TextFocused( isFiber ? "Fiber is" : "Thread is", "changing activity multiple times" );
TextFocused( "Number of running regions:", RealToString( num ) );
TextFocused( "Time:", TimeToString( rend - ev.Start() ) );
ImGui::EndTooltip();
if( IsMouseClicked( 2 ) )
{
ZoomToRange( ev.Start(), rend );
}
}
}
pit = it-1;
break;
}
else
case ContextSwitchDrawType::FoldedMulti:
{
const auto px0 = std::max( { ( ev.Start() - m_vd.zvStart ) * pxns, -10.0, minpx } );
const auto px0 = std::max( ( ev.Start() - vStart ) * pxns, -10.0 );
DrawZigZag( draw, wpos + ImVec2( 0, offset + ty05 ), px0, v.minpx, ty/4, 0xFF888888, 1.5 );
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( v.minpx, offset + ty + 1 ) ) )
{
const auto end = v.folded.rend.Val();
ImGui::BeginTooltip();
TextFocused( isFiber ? "Fiber is" : "Thread is", "changing activity multiple times" );
TextFocused( "Number of running regions:", RealToString( v.folded.num ) );
TextFocused( "Time:", TimeToString( end - ev.Start() ) );
ImGui::EndTooltip();
if( IsMouseClicked( 2 ) )
{
ZoomToRange( ev.Start(), end );
}
}
break;
}
case ContextSwitchDrawType::Running:
{
const auto end = ev.IsEndValid() ? ev.End() : m_worker.GetLastTime();
const auto px0 = std::max( { ( ev.Start() - m_vd.zvStart ) * pxns, -10.0, double( v.minpx ) } );
const auto px1 = std::min( ( end - m_vd.zvStart ) * pxns, w + 10.0 );
DrawLine( draw, dpos + ImVec2( px0, offset + ty05 - 0.5f ), dpos + ImVec2( px1, offset + ty05 - 0.5f ), 0xFF22DD22, lineSize );
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + ty + 1 ) ) )
@@ -369,9 +336,12 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleDat
ZoomToRange( ev.Start(), end );
}
}
pit = it;
++it;
break;
}
default:
assert( false );
break;
};
}
}