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refactoring globals

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This commit is contained in:
Marcos Slomp
2026-05-05 08:28:15 -07:00
parent df20e8ad84
commit 6a214ed419
1 changed files with 21 additions and 8 deletions
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29
public/client/apple/TracyMach.cpp
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@@ -21,8 +21,16 @@
namespace tracy
{
static std::atomic<bool> s_traceActive { false };
static int s_samplingHz;
struct SysTraceApple
{
std::atomic<bool> active { false };
int samplingHz = 1000;
static SysTraceApple& Get()
{
static SysTraceApple systrace = {};
return systrace;
}
};
static void SysTraceEmitCallstackSample( uint32_t threadId, int64_t timestamp, const uint64_t* frames, int depth )
{
@@ -120,10 +128,12 @@ static uint32_t SysTraceRngNext( uint64_t& rng, uint32_t range )
static void SysTraceWatch()
{
auto& systrace = SysTraceApple::Get();
const mach_port_t selfThread = mach_thread_self();
mach_timebase_info_data_t timebase;
mach_timebase_info( &timebase );
const uint64_t samplingPeriodNs = 1000000000ULL / s_samplingHz;
const uint64_t samplingPeriodNs = 1000000000ULL / systrace.samplingHz;
const uint64_t periodMach = samplingPeriodNs * timebase.denom / timebase.numer;
std::vector<mach_port_t> runningThreads;
@@ -132,7 +142,7 @@ static void SysTraceWatch()
uint64_t rng = SysTraceRngInit();
uint64_t deadline = mach_absolute_time();
while( s_traceActive.load( std::memory_order_relaxed ) )
while( systrace.active.load( std::memory_order_relaxed ) )
{
SysTraceWait(deadline);
deadline = mach_absolute_time() + periodMach;
@@ -199,18 +209,21 @@ bool SysTraceStart( int64_t& samplingPeriod )
// the system tracing in other platforms)
if( geteuid() != 0 ) return false;
auto& systrace = SysTraceApple::Get();
bool expected = false;
if( !s_traceActive.compare_exchange_strong( expected, true, std::memory_order_relaxed ) )
if( !systrace.active.compare_exchange_strong( expected, true, std::memory_order_relaxed ) )
return false;
s_samplingHz = GetSamplingFrequency();
samplingPeriod = SamplingFrequencyToPeriodNs( s_samplingHz );
systrace.samplingHz = GetSamplingFrequency();
samplingPeriod = SamplingFrequencyToPeriodNs( systrace.samplingHz );
return true;
}
void SysTraceStop()
{
s_traceActive.store( false, std::memory_order_relaxed );
auto& systrace = SysTraceApple::Get();
systrace.active.store( false, std::memory_order_relaxed );
}
void SysTraceGetExternalName( uint64_t thread, const char*& threadName, const char*& name )