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Move symbol resolution to a separate thread.

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This commit is contained in:
Bartosz Taudul 2021-10-22 22:25:09 +02:00
parent b4cfb1f2d5
commit 2b9265cc40
No known key found for this signature in database
GPG Key ID: B7FE2008B7575DF3
4 changed files with 286 additions and 15 deletions
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272
client/TracyProfiler.cpp
View File

@ -1034,7 +1034,9 @@ static Thread* s_thread;
#ifndef TRACY_NO_FRAME_IMAGE
static Thread* s_compressThread;
#endif
#ifdef TRACY_HAS_CALLSTACK
static Thread* s_symbolThread;
#endif
#ifdef TRACY_HAS_SYSTEM_TRACING
static Thread* s_sysTraceThread = nullptr;
#endif
@ -1354,6 +1356,11 @@ void Profiler::SpawnWorkerThreads()
new(s_compressThread) Thread( LaunchCompressWorker, this );
#endif
#ifdef TRACY_HAS_CALLSTACK
s_symbolThread = (Thread*)tracy_malloc( sizeof( Thread ) );
new(s_symbolThread) Thread( LaunchSymbolWorker, this );
#endif
#if defined _WIN32
s_profilerThreadId = GetThreadId( s_thread->Handle() );
m_exceptionHandler = AddVectoredExceptionHandler( 1, CrashFilter );
@ -1414,6 +1421,11 @@ Profiler::~Profiler()
}
#endif
#ifdef TRACY_HAS_CALLSTACK
s_symbolThread->~Thread();
tracy_free( s_symbolThread );
#endif
#ifndef TRACY_NO_FRAME_IMAGE
s_compressThread->~Thread();
tracy_free( s_compressThread );
@ -2039,6 +2051,42 @@ static void FreeAssociatedMemory( const QueueItem& item )
ptr = MemRead<uint64_t>( &item.frameImageFat.image );
tracy_free( (void*)ptr );
break;
#ifdef TRACY_HAS_CALLSTACK
case QueueType::CallstackFrameSize:
{
InitRpmalloc();
auto size = MemRead<uint8_t>( &item.callstackFrameSizeFat.size );
auto data = (const CallstackEntry*)MemRead<uint64_t>( &item.callstackFrameSizeFat.data );
for( uint8_t i=0; i<size; i++ )
{
const auto& frame = data[i];
tracy_free_fast( (void*)frame.name );
tracy_free_fast( (void*)frame.file );
}
tracy_free_fast( (void*)data );
break;
}
case QueueType::SymbolInformation:
{
uint8_t needFree = MemRead<uint8_t>( &item.symbolInformationFat.needFree );
if( needFree )
{
ptr = MemRead<uint64_t>( &item.symbolInformationFat.fileString );
tracy_free( (void*)ptr );
}
break;
}
case QueueType::CodeInformation:
{
uint8_t needFree = MemRead<uint8_t>( &item.codeInformationFat.needFree );
if( needFree )
{
ptr = MemRead<uint64_t>( &item.codeInformationFat.fileString );
tracy_free( (void*)ptr );
}
break;
}
#endif
#ifndef TRACY_ON_DEMAND
case QueueType::LockName:
ptr = MemRead<uint64_t>( &item.lockNameFat.name );
@ -2054,6 +2102,14 @@ static void FreeAssociatedMemory( const QueueItem& item )
case QueueType::GpuContextName:
// Don't free memory associated with deferred messages.
break;
#endif
#ifdef TRACY_HAS_SYSTEM_TRACING
case QueueType::ExternalNameMetadata:
ptr = MemRead<uint64_t>( &item.externalNameMetadata.name );
tracy_free( (void*)ptr );
ptr = MemRead<uint64_t>( &item.externalNameMetadata.threadName );
tracy_free_fast( (void*)ptr );
break;
#endif
default:
break;
@ -2283,6 +2339,67 @@ Profiler::DequeueStatus Profiler::Dequeue( moodycamel::ConsumerToken& token )
MemWrite( &item->gpuTime.gpuTime, dt );
break;
}
#ifdef TRACY_HAS_CALLSTACK
case QueueType::CallstackFrameSize:
{
auto data = (const CallstackEntry*)MemRead<uint64_t>( &item->callstackFrameSizeFat.data );
auto datasz = MemRead<uint8_t>( &item->callstackFrameSizeFat.size );
auto imageName = (const char*)MemRead<uint64_t>( &item->callstackFrameSizeFat.imageName );
SendSingleString( imageName );
AppendData( item++, QueueDataSize[idx] );
for( uint8_t i=0; i<datasz; i++ )
{
const auto& frame = data[i];
SendSingleString( frame.name );
SendSecondString( frame.file );
QueueItem item;
MemWrite( &item.hdr.type, QueueType::CallstackFrame );
MemWrite( &item.callstackFrame.line, frame.line );
MemWrite( &item.callstackFrame.symAddr, frame.symAddr );
MemWrite( &item.callstackFrame.symLen, frame.symLen );
AppendData( &item, QueueDataSize[(int)QueueType::CallstackFrame] );
tracy_free_fast( (void*)frame.name );
tracy_free_fast( (void*)frame.file );
}
tracy_free_fast( (void*)data );
continue;
}
case QueueType::SymbolInformation:
{
auto fileString = (const char*)MemRead<uint64_t>( &item->symbolInformationFat.fileString );
auto needFree = MemRead<uint8_t>( &item->symbolInformationFat.needFree );
SendSingleString( fileString );
if( needFree ) tracy_free_fast( (void*)fileString );
break;
}
case QueueType::CodeInformation:
{
auto fileString = (const char*)MemRead<uint64_t>( &item->codeInformationFat.fileString );
auto needFree = MemRead<uint8_t>( &item->codeInformationFat.needFree );
SendSingleString( fileString );
if( needFree ) tracy_free_fast( (void*)fileString );
break;
}
#endif
#ifdef TRACY_HAS_SYSTEM_TRACING
case QueueType::ExternalNameMetadata:
{
auto thread = MemRead<uint64_t>( &item->externalNameMetadata.thread );
auto name = (const char*)MemRead<uint64_t>( &item->externalNameMetadata.name );
auto threadName = (const char*)MemRead<uint64_t>( &item->externalNameMetadata.threadName );
SendString( thread, threadName, QueueType::ExternalThreadName );
SendString( thread, name, QueueType::ExternalName );
tracy_free( (void*)threadName );
tracy_free_fast( (void*)name );
++item;
continue;
}
#endif
default:
assert( false );
break;
@ -2882,6 +2999,146 @@ void Profiler::SendCallstackAlloc( uint64_t _ptr )
AppendDataUnsafe( ptr, len );
}
void Profiler::QueueCallstackFrame( uint64_t ptr )
{
#ifdef TRACY_HAS_CALLSTACK
m_symbolQueue.emplace( SymbolQueueItem { SymbolQueueItemType::CallstackFrame, ptr } );
#else
AckServerQuery();
#endif
}
void Profiler::QueueSymbolQuery( uint64_t symbol )
{
#ifdef TRACY_HAS_CALLSTACK
// Special handling for kernel frames
if( symbol >> 63 != 0 )
{
SendSingleString( "<kernel>" );
QueueItem item;
MemWrite( &item.hdr.type, QueueType::SymbolInformation );
MemWrite( &item.symbolInformation.line, 0 );
MemWrite( &item.symbolInformation.symAddr, symbol );
AppendData( &item, QueueDataSize[(int)QueueType::SymbolInformation] );
}
else
{
m_symbolQueue.emplace( SymbolQueueItem { SymbolQueueItemType::SymbolQuery, symbol } );
}
#else
AckServerQuery();
#endif
}
void Profiler::QueueCodeLocation( uint64_t ptr )
{
#ifdef TRACY_HAS_CALLSTACK
m_symbolQueue.emplace( SymbolQueueItem { SymbolQueueItemType::CodeLocation, ptr } );
#else
AckServerQuery();
#endif
}
void Profiler::QueueExternalName( uint64_t ptr )
{
#ifdef TRACY_HAS_SYSTEM_TRACING
m_symbolQueue.emplace( SymbolQueueItem { SymbolQueueItemType::ExternalName, ptr } );
#endif
}
#ifdef TRACY_HAS_CALLSTACK
void Profiler::SymbolWorker()
{
ThreadExitHandler threadExitHandler;
SetThreadName( "Tracy Symbol Worker" );
while( m_timeBegin.load( std::memory_order_relaxed ) == 0 ) std::this_thread::sleep_for( std::chrono::milliseconds( 10 ) );
rpmalloc_thread_initialize();
for(;;)
{
const auto shouldExit = ShouldExit();
SymbolQueueItem si;
if( m_symbolQueue.try_dequeue( si ) )
{
switch( si.type )
{
case SymbolQueueItemType::CallstackFrame:
{
const auto frameData = DecodeCallstackPtr( si.ptr );
auto data = tracy_malloc_fast( sizeof( CallstackEntry ) * frameData.size );
memcpy( data, frameData.data, sizeof( CallstackEntry ) * frameData.size );
TracyLfqPrepare( QueueType::CallstackFrameSize );
MemWrite( &item->callstackFrameSizeFat.ptr, si.ptr );
MemWrite( &item->callstackFrameSizeFat.size, frameData.size );
MemWrite( &item->callstackFrameSizeFat.data, (uint64_t)data );
MemWrite( &item->callstackFrameSizeFat.imageName, (uint64_t)frameData.imageName );
TracyLfqCommit;
break;
}
case SymbolQueueItemType::SymbolQuery:
{
#ifdef __ANDROID__
// On Android it's common for code to be in mappings that are only executable
// but not readable.
if( !EnsureReadable( si.ptr ) )
{
TracyLfqPrepare( QueueType::AckServerQueryNoop );
TracyLfqCommit;
break;
}
#endif
const auto sym = DecodeSymbolAddress( si.ptr );
TracyLfqPrepare( QueueType::SymbolInformation );
MemWrite( &item->symbolInformationFat.line, sym.line );
MemWrite( &item->symbolInformationFat.symAddr, si.ptr );
MemWrite( &item->symbolInformationFat.fileString, (uint64_t)sym.file );
MemWrite( &item->symbolInformationFat.needFree, (uint8_t)sym.needFree );
TracyLfqCommit;
break;
}
case SymbolQueueItemType::CodeLocation:
{
const auto sym = DecodeCodeAddress( si.ptr );
const uint64_t offset = si.ptr - sym.symAddr;
TracyLfqPrepare( QueueType::CodeInformation );
MemWrite( &item->codeInformationFat.ptrOffset, offset );
MemWrite( &item->codeInformationFat.line, sym.line );
MemWrite( &item->codeInformationFat.symAddr, sym.symAddr );
MemWrite( &item->codeInformationFat.fileString, (uint64_t)sym.file );
MemWrite( &item->codeInformationFat.needFree, (uint8_t)sym.needFree );
TracyLfqCommit;
break;
}
#ifdef TRACY_HAS_SYSTEM_TRACING
case SymbolQueueItemType::ExternalName:
{
const char* threadName;
const char* name;
SysTraceGetExternalName( si.ptr, threadName, name );
TracyLfqPrepare( QueueType::ExternalNameMetadata );
MemWrite( &item->externalNameMetadata.thread, si.ptr );
MemWrite( &item->externalNameMetadata.name, (uint64_t)name );
MemWrite( &item->externalNameMetadata.threadName, (uint64_t)threadName );
TracyLfqCommit;
break;
}
#endif
default:
assert( false );
break;
}
}
else
{
if( shouldExit ) return;
std::this_thread::sleep_for( std::chrono::milliseconds( 20 ) );
}
}
}
#endif
#if 0
void Profiler::SendCallstackFrame( uint64_t ptr )
{
#ifdef TRACY_HAS_CALLSTACK
@ -2919,6 +3176,7 @@ void Profiler::SendCallstackFrame( uint64_t ptr )
}
#endif
}
#endif
bool Profiler::HandleServerQuery()
@ -2957,7 +3215,7 @@ bool Profiler::HandleServerQuery()
case ServerQueryTerminate:
return false;
case ServerQueryCallstackFrame:
SendCallstackFrame( ptr );
QueueCallstackFrame( ptr );
break;
case ServerQueryFrameName:
SendString( ptr, (const char*)ptr, QueueType::FrameName );
@ -2967,14 +3225,14 @@ bool Profiler::HandleServerQuery()
return false;
#ifdef TRACY_HAS_SYSTEM_TRACING
case ServerQueryExternalName:
SysTraceSendExternalName( ptr );
QueueExternalName( ptr );
break;
#endif
case ServerQueryParameter:
HandleParameter( ptr );
break;
case ServerQuerySymbol:
HandleSymbolQuery( ptr );
QueueSymbolQuery( ptr );
break;
#ifndef TRACY_NO_CODE_TRANSFER
case ServerQuerySymbolCode:
@ -2982,7 +3240,7 @@ bool Profiler::HandleServerQuery()
break;
#endif
case ServerQueryCodeLocation:
SendCodeLocation( ptr );
QueueCodeLocation( ptr );
break;
case ServerQuerySourceCode:
HandleSourceCodeQuery();
@ -3368,6 +3626,7 @@ void Profiler::HandleParameter( uint64_t payload )
AckServerQuery();
}
#if 0
void Profiler::HandleSymbolQuery( uint64_t symbol )
{
#ifdef TRACY_HAS_CALLSTACK
@ -3405,6 +3664,7 @@ void Profiler::HandleSymbolQuery( uint64_t symbol )
if( sym.needFree ) tracy_free( (void*)sym.file );
#endif
}
#endif
void Profiler::HandleSymbolCodeQuery( uint64_t symbol, uint32_t size )
{
@ -3459,6 +3719,7 @@ void Profiler::HandleSourceCodeQuery()
m_queryData = nullptr;
}
#if 0
void Profiler::SendCodeLocation( uint64_t ptr )
{
#ifdef TRACY_HAS_CALLSTACK
@ -3478,6 +3739,7 @@ void Profiler::SendCodeLocation( uint64_t ptr )
if( sym.needFree ) tracy_free( (void*)sym.file );
#endif
}
#endif
#if defined _WIN32 && defined TRACY_TIMER_QPC
int64_t Profiler::GetTimeQpc()

13
client/TracyProfiler.hpp
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@ -677,6 +677,11 @@ private:
void CompressWorker();
#endif
#ifdef TRACY_HAS_CALLSTACK
static void LaunchSymbolWorker( void* ptr ) { ((Profiler*)ptr)->SymbolWorker(); }
void SymbolWorker();
#endif
void ClearQueues( tracy::moodycamel::ConsumerToken& token );
void ClearSerial();
DequeueStatus Dequeue( tracy::moodycamel::ConsumerToken& token );
@ -716,13 +721,15 @@ private:
void SendCallstackPayload( uint64_t ptr );
void SendCallstackPayload64( uint64_t ptr );
void SendCallstackAlloc( uint64_t ptr );
void SendCallstackFrame( uint64_t ptr );
void SendCodeLocation( uint64_t ptr );
void QueueCallstackFrame( uint64_t ptr );
void QueueSymbolQuery( uint64_t symbol );
void QueueCodeLocation( uint64_t ptr );
void QueueExternalName( uint64_t ptr );
bool HandleServerQuery();
void HandleDisconnect();
void HandleParameter( uint64_t payload );
void HandleSymbolQuery( uint64_t symbol );
void HandleSymbolCodeQuery( uint64_t symbol, uint32_t size );
void HandleSourceCodeQuery();

2
common/TracyProtocol.hpp
View File

@ -9,7 +9,7 @@ namespace tracy
constexpr unsigned Lz4CompressBound( unsigned isize ) { return isize + ( isize / 255 ) + 16; }
enum : uint32_t { ProtocolVersion = 50 };
enum : uint32_t { ProtocolVersion = 51 };
enum : uint16_t { BroadcastVersion = 2 };
using lz4sz_t = uint32_t;

14
common/TracyQueue.hpp
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@ -55,6 +55,10 @@ enum class QueueType : uint8_t
ThreadWakeup,
GpuTime,
GpuContextName,
CallstackFrameSize,
SymbolInformation,
CodeInformation,
ExternalNameMetadata,
Terminate,
KeepAlive,
ThreadContext,
@ -76,10 +80,7 @@ enum class QueueType : uint8_t
MessageLiteralCallstack,
MessageLiteralColorCallstack,
GpuNewContext,
CallstackFrameSize,
CallstackFrame,
SymbolInformation,
CodeInformation,
SysTimeReport,
TidToPid,
HwSampleCpuCycle,
@ -746,6 +747,10 @@ static constexpr size_t QueueDataSize[] = {
sizeof( QueueHeader ) + sizeof( QueueThreadWakeup ),
sizeof( QueueHeader ) + sizeof( QueueGpuTime ),
sizeof( QueueHeader ) + sizeof( QueueGpuContextName ),
sizeof( QueueHeader ) + sizeof( QueueCallstackFrameSize ),
sizeof( QueueHeader ) + sizeof( QueueSymbolInformation ),
sizeof( QueueHeader ) + sizeof( QueueCodeInformation ),
sizeof( QueueHeader), // ExternalNameMetadata - not for wire transfer
// above items must be first
sizeof( QueueHeader ), // terminate
sizeof( QueueHeader ), // keep alive
@ -768,10 +773,7 @@ static constexpr size_t QueueDataSize[] = {
sizeof( QueueHeader ) + sizeof( QueueMessageLiteral ), // callstack
sizeof( QueueHeader ) + sizeof( QueueMessageColorLiteral ), // callstack
sizeof( QueueHeader ) + sizeof( QueueGpuNewContext ),
sizeof( QueueHeader ) + sizeof( QueueCallstackFrameSize ),
sizeof( QueueHeader ) + sizeof( QueueCallstackFrame ),
sizeof( QueueHeader ) + sizeof( QueueSymbolInformation ),
sizeof( QueueHeader ) + sizeof( QueueCodeInformation ),
sizeof( QueueHeader ) + sizeof( QueueSysTime ),
sizeof( QueueHeader ) + sizeof( QueueTidToPid ),
sizeof( QueueHeader ) + sizeof( QueueHwSample ), // cpu cycle