mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 02:31:48 +00:00
Collect thread wakeup data.
This commit is contained in:
parent
f957f64ce1
commit
414f903cc5
@ -39,6 +39,15 @@ struct CSwitch
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uint32_t reserved;
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};
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struct ReadyThread
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{
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uint32_t threadId;
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int8_t adjustReason;
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int8_t adjustIncrement;
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int8_t flag;
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int8_t reserverd;
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};
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void EventRecordCallback( PEVENT_RECORD record )
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{
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#ifdef TRACY_ON_DEMAND
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@ -46,31 +55,39 @@ void EventRecordCallback( PEVENT_RECORD record )
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#endif
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const auto& hdr = record->EventHeader;
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if( hdr.EventDescriptor.Opcode != 36 ) return;
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if( hdr.EventDescriptor.Opcode == 36 )
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{
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const auto cswitch = (const CSwitch*)record->UserData;
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const auto cswitch = (const CSwitch*)record->UserData;
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Magic magic;
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auto token = GetToken();
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin( magic );
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MemWrite( &item->hdr.type, QueueType::ContextSwitch );
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MemWrite( &item->contextSwitch.time, hdr.TimeStamp.QuadPart );
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memcpy( &item->contextSwitch.oldThread, &cswitch->oldThreadId, sizeof( cswitch->oldThreadId ) );
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memcpy( &item->contextSwitch.newThread, &cswitch->newThreadId, sizeof( cswitch->newThreadId ) );
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memset( ((char*)&item->contextSwitch.oldThread)+4, 0, 4 );
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memset( ((char*)&item->contextSwitch.newThread)+4, 0, 4 );
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MemWrite( &item->contextSwitch.cpu, record->BufferContext.ProcessorNumber );
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MemWrite( &item->contextSwitch.reason, cswitch->oldThreadWaitReason );
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MemWrite( &item->contextSwitch.state, cswitch->oldThreadState );
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tail.store( magic + 1, std::memory_order_release );
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}
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else if( hdr.EventDescriptor.Opcode == 50 )
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{
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const auto rt = (const ReadyThread*)record->UserData;
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static_assert( sizeof( record->BufferContext.ProcessorNumber ) == sizeof( uint8_t ), "Bad data size" );
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static_assert( sizeof( cswitch->oldThreadId ) == sizeof( uint32_t ), "Bad data size" );
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static_assert( sizeof( cswitch->newThreadId ) == sizeof( uint32_t ), "Bad data size" );
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static_assert( sizeof( hdr.TimeStamp.QuadPart ) == sizeof( int64_t ), "Bad data size" );
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static_assert( sizeof( cswitch->oldThreadWaitReason ) == sizeof( uint8_t ), "Bad data size" );
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static_assert( sizeof( cswitch->oldThreadState ) == sizeof( uint8_t ), "Bad data size" );
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Magic magic;
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auto token = GetToken();
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin( magic );
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MemWrite( &item->hdr.type, QueueType::ContextSwitch );
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MemWrite( &item->contextSwitch.time, hdr.TimeStamp.QuadPart );
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memcpy( &item->contextSwitch.oldThread, &cswitch->oldThreadId, sizeof( cswitch->oldThreadId ) );
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memcpy( &item->contextSwitch.newThread, &cswitch->newThreadId, sizeof( cswitch->newThreadId ) );
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memset( ((char*)&item->contextSwitch.oldThread)+4, 0, 4 );
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memset( ((char*)&item->contextSwitch.newThread)+4, 0, 4 );
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MemWrite( &item->contextSwitch.cpu, record->BufferContext.ProcessorNumber );
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MemWrite( &item->contextSwitch.reason, cswitch->oldThreadWaitReason );
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MemWrite( &item->contextSwitch.state, cswitch->oldThreadState );
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tail.store( magic + 1, std::memory_order_release );
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Magic magic;
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auto token = GetToken();
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin( magic );
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MemWrite( &item->hdr.type, QueueType::ThreadWakeup );
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MemWrite( &item->threadWakeup.time, hdr.TimeStamp.QuadPart );
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memcpy( &item->threadWakeup.thread, &rt->threadId, sizeof( rt->threadId ) );
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memset( ((char*)&item->threadWakeup.thread)+4, 0, 4 );
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tail.store( magic + 1, std::memory_order_release );
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}
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}
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bool SysTraceStart()
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@ -91,7 +108,7 @@ bool SysTraceStart()
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const auto psz = sizeof( EVENT_TRACE_PROPERTIES ) + sizeof( KERNEL_LOGGER_NAME );
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s_prop = (EVENT_TRACE_PROPERTIES*)tracy_malloc( psz );
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memset( s_prop, 0, sizeof( EVENT_TRACE_PROPERTIES ) );
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s_prop->EnableFlags = EVENT_TRACE_FLAG_CSWITCH;
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s_prop->EnableFlags = EVENT_TRACE_FLAG_CSWITCH | EVENT_TRACE_FLAG_DISPATCHER;
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s_prop->LogFileMode = EVENT_TRACE_REAL_TIME_MODE;
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s_prop->Wnode.BufferSize = psz;
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s_prop->Wnode.Flags = WNODE_FLAG_TRACED_GUID;
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@ -57,6 +57,7 @@ enum class QueueType : uint8_t
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CallstackFrame,
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SysTimeReport,
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ContextSwitch,
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ThreadWakeup,
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StringData,
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ThreadName,
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CustomStringData,
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@ -312,6 +313,12 @@ struct QueueContextSwitch
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uint8_t state;
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};
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struct QueueThreadWakeup
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{
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int64_t time;
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uint64_t thread;
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};
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struct QueueHeader
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{
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union
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@ -358,6 +365,7 @@ struct QueueItem
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QueueCrashReport crashReport;
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QueueSysTime sysTime;
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QueueContextSwitch contextSwitch;
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QueueThreadWakeup threadWakeup;
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};
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};
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#pragma pack()
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@ -416,6 +424,7 @@ static const size_t QueueDataSize[] = {
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sizeof( QueueHeader ) + sizeof( QueueCallstackFrame ),
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sizeof( QueueHeader ) + sizeof( QueueSysTime ),
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sizeof( QueueHeader ) + sizeof( QueueContextSwitch ),
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sizeof( QueueHeader ) + sizeof( QueueThreadWakeup ),
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// keep all QueueStringTransfer below
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sizeof( QueueHeader ) + sizeof( QueueStringTransfer ), // string data
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sizeof( QueueHeader ) + sizeof( QueueStringTransfer ), // thread name
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@ -235,6 +235,7 @@ enum { CrashEventSize = sizeof( CrashEvent ) };
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struct ContextSwitchData
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{
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enum : int8_t { NoState = 100 };
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enum : int8_t { Wakeup = -2 };
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int64_t Start() const { return int64_t( _start_cpu ) >> 8; }
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void SetStart( int64_t start ) { assert( start < ( 1ll << 47 ) ); _start_cpu = ( _start_cpu & 0xFF ) | uint64_t( start << 8 ); }
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@ -249,6 +250,7 @@ struct ContextSwitchData
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uint64_t _start_cpu;
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uint64_t _end_reason_state;
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int64_t wakeup;
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};
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enum { ContextSwitchDataSize = sizeof( ContextSwitchData ) };
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@ -7,7 +7,7 @@ namespace Version
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{
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enum { Major = 0 };
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enum { Minor = 5 };
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enum { Patch = 3 };
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enum { Patch = 4 };
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}
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}
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@ -2372,43 +2372,62 @@ void View::DrawContextSwitches( const ContextSwitch* ctx, bool hover, double pxn
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{
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const bool migration = pit->Cpu() != ev.Cpu();
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const auto px0 = std::max( { ( pit->End() - m_zvStart ) * pxns, -10.0, minpx } );
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const auto pxw = std::max( ( ev.wakeup - m_zvStart ) * pxns, -10.0 );
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const auto px1 = std::min( ( ev.Start() - m_zvStart ) * pxns, w + 10.0 );
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const auto color = migration ? 0xFFEE7711 : 0xFF2222AA;
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draw->AddLine( wpos + ImVec2( px0, round( offset + ty * 0.5 ) - 0.5 ), wpos + ImVec2( px1, round( offset + ty * 0.5 ) - 0.5 ), color, 2 );
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if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + ty ) ) )
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draw->AddLine( wpos + ImVec2( px0, round( offset + ty * 0.5 ) - 0.5 ), wpos + ImVec2( pxw, round( offset + ty * 0.5 ) - 0.5 ), color, 2 );
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if( ev.wakeup != ev.Start() )
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{
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ImGui::BeginTooltip();
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TextFocused( "Thread is", migration ? "migrating CPUs" : "waiting" );
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TextFocused( "Waiting time:", TimeToString( ev.Start() - pit->End() ) );
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if( migration )
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{
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TextFocused( "CPU:", RealToString( pit->Cpu(), true ) );
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ImGui::SameLine();
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#ifdef TRACY_EXTENDED_FONT
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TextFocused( ICON_FA_LONG_ARROW_ALT_RIGHT, RealToString( ev.Cpu(), true ) );
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#else
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TextFocused( "->", RealToString( ev.Cpu(), true ) );
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#endif
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}
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else
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{
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TextFocused( "CPU:", RealToString( ev.Cpu(), true ) );
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}
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if( pit->Reason() != 100 )
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{
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TextFocused( "Wait reason:", DecodeContextSwitchReasonCode( pit->Reason() ) );
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ImGui::SameLine();
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TextDisabledUnformatted( DecodeContextSwitchReason( pit->Reason() ) );
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}
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TextFocused( "Wait state:", DecodeContextSwitchStateCode( pit->State() ) );
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ImGui::SameLine();
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TextDisabledUnformatted( DecodeContextSwitchState( pit->State() ) );
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ImGui::EndTooltip();
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draw->AddLine( wpos + ImVec2( pxw, round( offset + ty * 0.5 ) - 0.5 ), wpos + ImVec2( px1, round( offset + ty * 0.5 ) - 0.5 ), 0xFF2280A0, 2 );
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}
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if( ImGui::IsMouseClicked( 2 ) )
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if( hover )
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{
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if( ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( pxw, offset + ty ) ) )
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{
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ZoomToRange( pit->End(), ev.Start() );
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ImGui::BeginTooltip();
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TextFocused( "Thread is", migration ? "migrating CPUs" : "waiting" );
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TextFocused( "Waiting time:", TimeToString( ev.wakeup - pit->End() ) );
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if( migration )
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{
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TextFocused( "CPU:", RealToString( pit->Cpu(), true ) );
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ImGui::SameLine();
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#ifdef TRACY_EXTENDED_FONT
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TextFocused( ICON_FA_LONG_ARROW_ALT_RIGHT, RealToString( ev.Cpu(), true ) );
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#else
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TextFocused( "->", RealToString( ev.Cpu(), true ) );
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#endif
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}
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else
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{
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TextFocused( "CPU:", RealToString( ev.Cpu(), true ) );
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}
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if( pit->Reason() != 100 )
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{
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TextFocused( "Wait reason:", DecodeContextSwitchReasonCode( pit->Reason() ) );
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ImGui::SameLine();
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TextDisabledUnformatted( DecodeContextSwitchReason( pit->Reason() ) );
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}
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TextFocused( "Wait state:", DecodeContextSwitchStateCode( pit->State() ) );
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ImGui::SameLine();
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TextDisabledUnformatted( DecodeContextSwitchState( pit->State() ) );
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ImGui::EndTooltip();
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if( ImGui::IsMouseClicked( 2 ) )
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{
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ZoomToRange( pit->End(), ev.wakeup );
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}
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}
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else if( ev.wakeup != ev.Start() && ImGui::IsMouseHoveringRect( wpos + ImVec2( pxw, offset ), wpos + ImVec2( px1, offset + ty ) ) )
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{
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ImGui::BeginTooltip();
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TextFocused( "Thread is", "waking up" );
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TextFocused( "Scheduling delay:", TimeToString( ev.Start() - ev.wakeup ) );
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if( ImGui::IsMouseClicked( 2 ) )
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{
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ZoomToRange( pit->End(), ev.wakeup );
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}
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ImGui::EndTooltip();
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}
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}
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}
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@ -1415,7 +1415,17 @@ Worker::Worker( FileRead& f, EventType::Type eventMask )
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auto ptr = data->v.data();
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for( uint64_t j=0; j<csz; j++ )
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{
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ptr->SetStart( ReadTimeOffset( f, refTime ) );
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if( fileVer >= FileVersion( 0, 5, 4 ) )
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{
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ptr->wakeup = ReadTimeOffset( f, refTime );
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ptr->SetStart( ReadTimeOffset( f, refTime ) );
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}
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else
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{
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int64_t start = ReadTimeOffset( f, refTime );
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ptr->wakeup = start;
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ptr->SetStart( start );
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}
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int64_t diff;
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f.Read( diff );
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if( diff > 0 ) runningTime += diff;
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@ -3062,6 +3072,9 @@ bool Worker::Process( const QueueItem& ev )
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case QueueType::ContextSwitch:
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ProcessContextSwitch( ev.contextSwitch );
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break;
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case QueueType::ThreadWakeup:
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ProcessThreadWakeup( ev.threadWakeup );
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break;
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default:
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assert( false );
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break;
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@ -4119,13 +4132,22 @@ void Worker::ProcessContextSwitch( const QueueContextSwitch& ev )
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it = m_data.ctxSwitch.emplace( ev.newThread, ctx ).first;
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}
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auto& data = it->second->v;
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assert( data.empty() || (uint64_t)data.back().End() <= time );
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auto& item = data.push_next();
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item.SetStart( time );
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item.SetEnd( -1 );
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item.SetCpu( ev.cpu );
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item.SetReason( -1 );
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item.SetState( -1 );
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ContextSwitchData* item = nullptr;
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if( !data.empty() && data.back().Reason() == ContextSwitchData::Wakeup )
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{
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item = &data.back();
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}
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else
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{
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assert( data.empty() || (uint64_t)data.back().End() <= time );
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item = &data.push_next();
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item->wakeup = time;
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}
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item->SetStart( time );
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item->SetEnd( -1 );
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item->SetCpu( ev.cpu );
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item->SetReason( -1 );
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item->SetState( -1 );
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auto& cx = cs.push_next();
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cx.SetStart( time );
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@ -4140,6 +4162,28 @@ void Worker::ProcessContextSwitch( const QueueContextSwitch& ev )
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}
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}
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void Worker::ProcessThreadWakeup( const QueueThreadWakeup& ev )
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{
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const auto time = TscTime( ev.time - m_data.baseTime );
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m_data.lastTime = std::max( m_data.lastTime, time );
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auto it = m_data.ctxSwitch.find( ev.thread );
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if( it == m_data.ctxSwitch.end() )
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{
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auto ctx = m_slab.AllocInit<ContextSwitch>();
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it = m_data.ctxSwitch.emplace( ev.thread, ctx ).first;
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}
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auto& data = it->second->v;
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if( !data.empty() && data.back().End() < 0 ) return; // wakeup of a running thread
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auto& item = data.push_next();
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item.wakeup = time;
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item.SetStart( time );
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item.SetEnd( -1 );
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item.SetCpu( 0 );
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item.SetReason( ContextSwitchData::Wakeup );
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item.SetState( -1 );
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}
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void Worker::MemAllocChanged( int64_t time )
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{
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const auto val = (double)m_data.memory.usage;
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@ -4948,6 +4992,7 @@ void Worker::Write( FileWrite& f )
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int64_t refTime = 0;
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for( auto& cs : ctx->second->v )
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{
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WriteTimeOffset( f, refTime, cs.wakeup );
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WriteTimeOffset( f, refTime, cs.Start() );
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WriteTimeOffset( f, refTime, cs.End() );
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uint8_t cpu = cs.Cpu();
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@ -440,6 +440,7 @@ private:
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tracy_force_inline void ProcessCrashReport( const QueueCrashReport& ev );
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tracy_force_inline void ProcessSysTime( const QueueSysTime& ev );
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tracy_force_inline void ProcessContextSwitch( const QueueContextSwitch& ev );
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tracy_force_inline void ProcessThreadWakeup( const QueueThreadWakeup& ev );
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tracy_force_inline void ProcessZoneBeginImpl( ZoneEvent* zone, const QueueZoneBegin& ev );
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tracy_force_inline void ProcessZoneBeginAllocSrcLocImpl( ZoneEvent* zone, const QueueZoneBegin& ev );
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