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Merge pull request #1125 from slomp/slomp/external-names-win32

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Speeding up ExternalName queries (on Windows)
This commit is contained in:
Bartosz Taudul
2025-08-01 22:40:14 +02:00
committed by GitHub
parent 3bff910a27 b4b5f46d7b
commit 1393278afd
1 changed files with 12 additions and 14 deletions
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26
public/client/TracySysTrace.cpp
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@@ -527,25 +527,23 @@ void SysTraceGetExternalName( uint64_t thread, const char*& threadName, const ch
const auto phnd = OpenProcess( PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pid );
if( phnd != INVALID_HANDLE_VALUE )
{
HMODULE modules[1024];
DWORD needed;
if( _EnumProcessModules( phnd, modules, 1024 * sizeof( HMODULE ), &needed ) != 0 )
MEMORY_BASIC_INFORMATION vmeminfo;
SIZE_T infosize = VirtualQueryEx( phnd, ptr, &vmeminfo, sizeof( vmeminfo ) );
if( infosize == sizeof( vmeminfo ) )
{
const auto sz = std::min( DWORD( needed / sizeof( HMODULE ) ), DWORD( 1024 ) );
for( DWORD i=0; i<sz; i++ )
if (vmeminfo.Type == MEM_IMAGE)
{
// for MEM_IMAGE regions, vmeminfo.AllocationBase _is_ the HMODULE
HMODULE mod = (HMODULE)vmeminfo.AllocationBase;
MODULEINFO info;
if( _GetModuleInformation( phnd, modules[i], &info, sizeof( info ) ) != 0 )
if( _GetModuleInformation( phnd, mod, &info, sizeof( info ) ) != 0 )
{
if( (uint64_t)ptr >= (uint64_t)info.lpBaseOfDll && (uint64_t)ptr <= (uint64_t)info.lpBaseOfDll + (uint64_t)info.SizeOfImage )
char buf2[1024];
const auto modlen = _GetModuleBaseNameA( phnd, mod, buf2, 1024 );
if( modlen != 0 )
{
char buf2[1024];
const auto modlen = _GetModuleBaseNameA( phnd, modules[i], buf2, 1024 );
if( modlen != 0 )
{
threadName = CopyString( buf2, modlen );
threadSent = true;
}
threadName = CopyString( buf2, modlen );
threadSent = true;
}
}
}