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Only copy symbol strings, if needed.

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This commit is contained in:
Bartosz Taudul 2020-02-27 13:17:26 +01:00
parent 2df6f9068a
commit 474383b656
3 changed files with 11 additions and 9 deletions
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17
client/TracyCallstack.cpp
View File

@ -237,18 +237,17 @@ SymbolData DecodeSymbolAddress( uint64_t ptr )
IMAGEHLP_LINE64 line; IMAGEHLP_LINE64 line;
DWORD displacement = 0; DWORD displacement = 0;
line.SizeOfStruct = sizeof(IMAGEHLP_LINE64); line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
const char* filename;
if( SymGetLineFromAddr64( GetCurrentProcess(), ptr, &displacement, &line ) == 0 ) if( SymGetLineFromAddr64( GetCurrentProcess(), ptr, &displacement, &line ) == 0 )
{ {
filename = "[unknown]"; sym.file = "[unknown]";
sym.line = 0; sym.line = 0;
} }
else else
{ {
filename = line.FileName; sym.file = line.FileName;
sym.line = line.LineNumber; sym.line = line.LineNumber;
} }
sym.file = CopyString( filename ); sym.needFree = false;
return sym; return sym;
} }
@ -397,16 +396,18 @@ static int SymbolAddressDataCb( void* data, uintptr_t pc, const char* fn, int li
if( !fn ) if( !fn )
{ {
const char* symloc = nullptr; const char* symloc = nullptr;
Dl_info dlinfo; static Dl_info dlinfo;
if( dladdr( (void*)ptr, &dlinfo ) ) symloc = dlinfo.dli_fname; if( dladdr( (void*)ptr, &dlinfo ) ) symloc = dlinfo.dli_fname;
if( !symloc ) symloc = "[unknown]"; if( !symloc ) symloc = "[unknown]";
sym.file = CopyString( symloc ); sym.file = symloc;
sym.line = 0; sym.line = 0;
sym.needFree = false;
} }
else else
{ {
sym.file = CopyString( fn ); sym.file = CopyString( fn );
sym.line = lineno; sym.line = lineno;
sym.needFree = true;
} }
return 1; return 1;
@ -597,10 +598,10 @@ const char* DecodeCallstackPtrFast( uint64_t ptr )
SymbolData DecodeSymbolAddress( uint64_t ptr ) SymbolData DecodeSymbolAddress( uint64_t ptr )
{ {
const char* symloc = nullptr; const char* symloc = nullptr;
Dl_info dlinfo; static Dl_info dlinfo;
if( dladdr( (void*)ptr, &dlinfo ) ) symloc = dlinfo.dli_fname; if( dladdr( (void*)ptr, &dlinfo ) ) symloc = dlinfo.dli_fname;
if( !symloc ) symloc = "[unknown]"; if( !symloc ) symloc = "[unknown]";
return SymbolData { CopyString( symloc ), 0 }; return SymbolData { symloc, 0, false };
} }
CallstackEntryData DecodeCallstackPtr( uint64_t ptr ) CallstackEntryData DecodeCallstackPtr( uint64_t ptr )

1
client/TracyCallstack.hpp
View File

@ -26,6 +26,7 @@ struct SymbolData
{ {
const char* file; const char* file;
uint32_t line; uint32_t line;
bool needFree;
}; };
struct CallstackEntry struct CallstackEntry

2
client/TracyProfiler.cpp
View File

@ -2695,7 +2695,7 @@ void Profiler::HandleSymbolQuery( uint64_t symbol )
AppendData( &item, QueueDataSize[(int)QueueType::SymbolInformation] ); AppendData( &item, QueueDataSize[(int)QueueType::SymbolInformation] );
tracy_free( (void*)sym.file ); if( sym.needFree ) tracy_free( (void*)sym.file );
#endif #endif
} }