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using ARM64 intrinsics on Windows on ARM

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This commit is contained in:
Marcos Slomp
2026-02-28 20:00:11 -08:00
parent aa30c611a8
commit e41ae15f27
2 changed files with 17 additions and 1 deletions
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public/client/TracyProfiler.cpp
+7
View File
@@ -282,6 +282,13 @@ static bool EnsureReadable( uintptr_t address )
return mapping && EnsureReadable( *mapping );
}
#elif defined WIN32
#if defined TRACY_HAS_CNTVCT
tracy_force_inline int64_t timestamp_win_arm64_cntvct_el0()
{
return _ReadStatusReg( ARM64_CNTVCT_EL0 );
}
#endif
static bool EnsureReadable( uintptr_t address )
{
MEMORY_BASIC_INFORMATION memInfo;
public/client/TracyProfiler.hpp
+10 -1
View File
@@ -30,6 +30,8 @@
#if ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
# define TRACY_HAS_RDTSC
#elif defined _WIN32 && defined _M_ARM64
# define TRACY_HAS_CNTVCT
#elif defined __APPLE__ && defined __MACH__ && TARGET_CPU_ARM64 // For now only supported on Apple devices
# define TRACY_HAS_CNTVCT
#endif
@@ -171,6 +173,11 @@ struct LuaZoneState
typedef void(*ParameterCallback)( void* data, uint32_t idx, int32_t val );
typedef char*(*SourceContentsCallback)( void* data, const char* filename, size_t& size );
#if defined _WIN32 && defined TRACY_HAS_CNTVCT
// NOTE: implementation requires including windows.h
tracy_force_inline int64_t timestamp_win_arm64_cntvct_el0();
#endif
class Profiler
{
struct FrameImageQueueItem
@@ -226,7 +233,9 @@ public:
# elif defined _WIN32
# ifdef TRACY_TIMER_QPC
return GetTimeQpc();
# else
# elif defined TRACY_HAS_CNTVCT
return timestamp_win_arm64_cntvct_el0();
# elif defined TRACY_HAS_RDTSC
if( HardwareSupportsInvariantTSC() ) return int64_t( __rdtsc() );
# endif
# elif defined __i386 || defined _M_IX86