mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 10:41:50 +00:00
646 lines
19 KiB
C++
646 lines
19 KiB
C++
#ifdef TRACY_ENABLE
|
|
|
|
#ifdef _MSC_VER
|
|
# include <winsock2.h>
|
|
# include <windows.h>
|
|
#else
|
|
# include <sys/time.h>
|
|
#endif
|
|
|
|
#ifdef _GNU_SOURCE
|
|
# include <errno.h>
|
|
#endif
|
|
|
|
#include <atomic>
|
|
#include <assert.h>
|
|
#include <chrono>
|
|
#include <limits>
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "../common/TracyAlign.hpp"
|
|
#include "../common/TracyProtocol.hpp"
|
|
#include "../common/TracySocket.hpp"
|
|
#include "../common/TracySystem.hpp"
|
|
#include "tracy_rpmalloc.hpp"
|
|
#include "TracyScoped.hpp"
|
|
#include "TracyProfiler.hpp"
|
|
#include "TracyThread.hpp"
|
|
|
|
#ifdef __GNUC__
|
|
#define init_order( val ) __attribute__ ((init_priority(val)))
|
|
#else
|
|
#define init_order(x)
|
|
#endif
|
|
|
|
namespace tracy
|
|
{
|
|
|
|
struct RPMallocInit
|
|
{
|
|
RPMallocInit() { rpmalloc_initialize(); }
|
|
};
|
|
|
|
struct RPMallocThreadInit
|
|
{
|
|
RPMallocThreadInit() { rpmalloc_thread_initialize(); }
|
|
};
|
|
|
|
struct InitTimeWrapper
|
|
{
|
|
int64_t val;
|
|
};
|
|
|
|
static const char* GetProcessName()
|
|
{
|
|
#if defined _MSC_VER
|
|
static char buf[_MAX_PATH];
|
|
GetModuleFileNameA( nullptr, buf, _MAX_PATH );
|
|
const char* ptr = buf;
|
|
while( *ptr != '\0' ) ptr++;
|
|
while( ptr > buf && *ptr != '\\' && *ptr != '/' ) ptr--;
|
|
if( ptr > buf ) ptr++;
|
|
return ptr;
|
|
#elif defined __ANDROID__
|
|
# if __ANDROID_API__ >= 21
|
|
auto buf = getprogname();
|
|
if( buf ) return buf;
|
|
# endif
|
|
#elif defined _GNU_SOURCE || defined __CYGWIN__
|
|
return program_invocation_short_name;
|
|
#endif
|
|
return "unknown";
|
|
}
|
|
|
|
enum { QueuePrealloc = 256 * 1024 };
|
|
|
|
// MSVC static initialization order solution. gcc/clang uses init_order() to avoid all this.
|
|
|
|
static Profiler* s_instance = nullptr;
|
|
static Thread* s_thread = nullptr;
|
|
|
|
// 1a. But s_queue is needed for initialization of variables in point 2.
|
|
extern moodycamel::ConcurrentQueue<QueueItem> s_queue;
|
|
|
|
static thread_local RPMallocThreadInit init_order(106) s_rpmalloc_thread_init;
|
|
|
|
// 2. If these variables would be in the .CRT$XCB section, they would be initialized only in main thread.
|
|
static thread_local moodycamel::ProducerToken init_order(107) s_token_detail( s_queue );
|
|
thread_local ProducerWrapper init_order(108) s_token { s_queue.get_explicit_producer( s_token_detail ) };
|
|
|
|
#ifdef _MSC_VER
|
|
// 1. Initialize these static variables before all other variables.
|
|
# pragma warning( disable : 4075 )
|
|
# pragma init_seg( ".CRT$XCB" )
|
|
#endif
|
|
|
|
static InitTimeWrapper init_order(101) s_initTime { Profiler::GetTime() };
|
|
static RPMallocInit init_order(102) s_rpmalloc_init;
|
|
moodycamel::ConcurrentQueue<QueueItem> init_order(103) s_queue( QueuePrealloc );
|
|
std::atomic<uint32_t> init_order(104) s_lockCounter( 0 );
|
|
std::atomic<uint16_t> init_order(104) s_gpuCtxCounter( 0 );
|
|
|
|
thread_local GpuCtxWrapper init_order(104) s_gpuCtx { nullptr };
|
|
|
|
#ifdef TRACY_COLLECT_THREAD_NAMES
|
|
struct ThreadNameData;
|
|
std::atomic<ThreadNameData*> init_order(104) s_threadNameData( nullptr );
|
|
#endif
|
|
|
|
Profiler init_order(105) s_profiler;
|
|
|
|
|
|
enum { BulkSize = TargetFrameSize / QueueItemSize };
|
|
|
|
Profiler::Profiler()
|
|
: m_timeBegin( 0 )
|
|
, m_mainThread( GetThreadHandle() )
|
|
, m_epoch( std::chrono::duration_cast<std::chrono::seconds>( std::chrono::system_clock::now().time_since_epoch() ).count() )
|
|
, m_shutdown( false )
|
|
, m_sock( nullptr )
|
|
, m_stream( LZ4_createStream() )
|
|
, m_buffer( (char*)tracy_malloc( TargetFrameSize*3 ) )
|
|
, m_bufferOffset( 0 )
|
|
, m_bufferStart( 0 )
|
|
, m_itemBuf( (QueueItem*)tracy_malloc( sizeof( QueueItem ) * BulkSize ) )
|
|
, m_lz4Buf( (char*)tracy_malloc( LZ4Size + sizeof( lz4sz_t ) ) )
|
|
, m_serialQueue( 1024*1024 )
|
|
, m_serialDequeue( 1024*1024 )
|
|
{
|
|
assert( !s_instance );
|
|
s_instance = this;
|
|
|
|
#ifdef _MSC_VER
|
|
// 3. But these variables need to be initialized in main thread within the .CRT$XCB section. Do it here.
|
|
s_token_detail = moodycamel::ProducerToken( s_queue );
|
|
s_token = ProducerWrapper { s_queue.get_explicit_producer( s_token_detail ) };
|
|
#endif
|
|
|
|
CalibrateTimer();
|
|
CalibrateDelay();
|
|
|
|
s_thread = (Thread*)tracy_malloc( sizeof( Thread ) );
|
|
new(s_thread) Thread( LaunchWorker, this );
|
|
SetThreadName( s_thread->Handle(), "Tracy Profiler" );
|
|
|
|
m_timeBegin.store( GetTime(), std::memory_order_relaxed );
|
|
}
|
|
|
|
Profiler::~Profiler()
|
|
{
|
|
m_shutdown.store( true, std::memory_order_relaxed );
|
|
s_thread->~Thread();
|
|
tracy_free( s_thread );
|
|
|
|
tracy_free( m_lz4Buf );
|
|
tracy_free( m_itemBuf );
|
|
tracy_free( m_buffer );
|
|
LZ4_freeStream( m_stream );
|
|
|
|
if( m_sock )
|
|
{
|
|
m_sock->~Socket();
|
|
tracy_free( m_sock );
|
|
}
|
|
|
|
assert( s_instance );
|
|
s_instance = nullptr;
|
|
}
|
|
|
|
bool Profiler::ShouldExit()
|
|
{
|
|
return s_instance->m_shutdown.load( std::memory_order_relaxed );
|
|
}
|
|
|
|
void Profiler::Worker()
|
|
{
|
|
rpmalloc_thread_initialize();
|
|
|
|
const auto procname = GetProcessName();
|
|
const auto pnsz = std::min<size_t>( strlen( procname ), WelcomeMessageProgramNameSize - 1 );
|
|
|
|
while( m_timeBegin.load( std::memory_order_relaxed ) == 0 ) std::this_thread::sleep_for( std::chrono::milliseconds( 10 ) );
|
|
|
|
WelcomeMessage welcome;
|
|
MemWrite( &welcome.timerMul, m_timerMul );
|
|
MemWrite( &welcome.initBegin, s_initTime.val );
|
|
MemWrite( &welcome.initEnd, m_timeBegin.load( std::memory_order_relaxed ) );
|
|
MemWrite( &welcome.delay, m_delay );
|
|
MemWrite( &welcome.resolution, m_resolution );
|
|
MemWrite( &welcome.epoch, m_epoch );
|
|
memcpy( welcome.programName, procname, pnsz );
|
|
memset( welcome.programName + pnsz, 0, WelcomeMessageProgramNameSize - pnsz );
|
|
|
|
moodycamel::ConsumerToken token( s_queue );
|
|
|
|
ListenSocket listen;
|
|
listen.Listen( "8086", 8 );
|
|
|
|
for(;;)
|
|
{
|
|
for(;;)
|
|
{
|
|
#ifndef TRACY_NO_EXIT
|
|
if( ShouldExit() ) return;
|
|
#endif
|
|
m_sock = listen.Accept();
|
|
if( m_sock ) break;
|
|
}
|
|
|
|
m_sock->Send( &welcome, sizeof( welcome ) );
|
|
LZ4_resetStream( m_stream );
|
|
|
|
for(;;)
|
|
{
|
|
const auto status = Dequeue( token );
|
|
const auto serialStatus = DequeueSerial();
|
|
if( status == ConnectionLost || serialStatus == ConnectionLost )
|
|
{
|
|
break;
|
|
}
|
|
else if( status == QueueEmpty && serialStatus == QueueEmpty )
|
|
{
|
|
if( ShouldExit() ) break;
|
|
if( m_bufferOffset != m_bufferStart ) CommitData();
|
|
std::this_thread::sleep_for( std::chrono::milliseconds( 10 ) );
|
|
}
|
|
|
|
while( m_sock->HasData() )
|
|
{
|
|
if( !HandleServerQuery() ) break;
|
|
}
|
|
}
|
|
if( ShouldExit() ) break;
|
|
}
|
|
|
|
for(;;)
|
|
{
|
|
const auto status = Dequeue( token );
|
|
const auto serialStatus = DequeueSerial();
|
|
if( status == ConnectionLost || serialStatus == ConnectionLost )
|
|
{
|
|
break;
|
|
}
|
|
else if( status == QueueEmpty && serialStatus == QueueEmpty )
|
|
{
|
|
if( m_bufferOffset != m_bufferStart ) CommitData();
|
|
break;
|
|
}
|
|
|
|
while( m_sock->HasData() )
|
|
{
|
|
if( !HandleServerQuery() ) break;
|
|
}
|
|
}
|
|
|
|
QueueItem terminate;
|
|
MemWrite( &terminate.hdr.type, QueueType::Terminate );
|
|
if( !SendData( (const char*)&terminate, 1 ) ) return;
|
|
for(;;)
|
|
{
|
|
if( m_sock->HasData() )
|
|
{
|
|
while( m_sock->HasData() )
|
|
{
|
|
if( !HandleServerQuery() )
|
|
{
|
|
if( m_bufferOffset != m_bufferStart ) CommitData();
|
|
return;
|
|
}
|
|
}
|
|
while( Dequeue( token ) == Success ) {}
|
|
while( DequeueSerial() == Success ) {}
|
|
if( m_bufferOffset != m_bufferStart )
|
|
{
|
|
if( !CommitData() ) return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( m_bufferOffset != m_bufferStart ) CommitData();
|
|
std::this_thread::sleep_for( std::chrono::milliseconds( 10 ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
Profiler::DequeueStatus Profiler::Dequeue( moodycamel::ConsumerToken& token )
|
|
{
|
|
const auto sz = s_queue.try_dequeue_bulk( token, m_itemBuf, BulkSize );
|
|
if( sz > 0 )
|
|
{
|
|
auto end = m_itemBuf + sz;
|
|
auto item = m_itemBuf;
|
|
while( item != end )
|
|
{
|
|
uint64_t ptr;
|
|
const auto idx = MemRead<uint8_t>( &item->hdr.idx );
|
|
if( idx < (int)QueueType::Terminate )
|
|
{
|
|
switch( (QueueType)idx )
|
|
{
|
|
case QueueType::ZoneText:
|
|
ptr = MemRead<uint64_t>( &item->zoneText.text );
|
|
SendString( ptr, (const char*)ptr, QueueType::CustomStringData );
|
|
tracy_free( (void*)ptr );
|
|
break;
|
|
case QueueType::Message:
|
|
ptr = MemRead<uint64_t>( &item->message.text );
|
|
SendString( ptr, (const char*)ptr, QueueType::CustomStringData );
|
|
tracy_free( (void*)ptr );
|
|
break;
|
|
case QueueType::ZoneBeginAllocSrcLoc:
|
|
ptr = MemRead<uint64_t>( &item->zoneBegin.srcloc );
|
|
SendSourceLocationPayload( ptr );
|
|
tracy_free( (void*)ptr );
|
|
break;
|
|
default:
|
|
assert( false );
|
|
break;
|
|
}
|
|
}
|
|
if( !AppendData( item, QueueDataSize[idx] ) ) return ConnectionLost;
|
|
item++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return QueueEmpty;
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
Profiler::DequeueStatus Profiler::DequeueSerial()
|
|
{
|
|
{
|
|
std::lock_guard<NonRecursiveBenaphore> lock( m_serialLock );
|
|
m_serialQueue.swap( m_serialDequeue );
|
|
}
|
|
|
|
const auto sz = m_serialDequeue.size();
|
|
if( sz > 0 )
|
|
{
|
|
auto item = m_serialDequeue.data();
|
|
auto end = item + sz;
|
|
while( item != end )
|
|
{
|
|
const auto idx = MemRead<uint8_t>( &item->hdr.idx );
|
|
if( !AppendData( item, QueueDataSize[idx] ) ) return ConnectionLost;
|
|
item++;
|
|
}
|
|
m_serialDequeue.clear();
|
|
}
|
|
else
|
|
{
|
|
return QueueEmpty;
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
bool Profiler::AppendData( const void* data, size_t len )
|
|
{
|
|
auto ret = true;
|
|
ret = NeedDataSize( len );
|
|
memcpy( m_buffer + m_bufferOffset, data, len );
|
|
m_bufferOffset += int( len );
|
|
return ret;
|
|
}
|
|
|
|
bool Profiler::CommitData()
|
|
{
|
|
bool ret = SendData( m_buffer + m_bufferStart, m_bufferOffset - m_bufferStart );
|
|
if( m_bufferOffset > TargetFrameSize * 2 ) m_bufferOffset = 0;
|
|
m_bufferStart = m_bufferOffset;
|
|
return ret;
|
|
}
|
|
|
|
bool Profiler::NeedDataSize( size_t len )
|
|
{
|
|
bool ret = true;
|
|
if( m_bufferOffset - m_bufferStart + len > TargetFrameSize )
|
|
{
|
|
ret = CommitData();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bool Profiler::SendData( const char* data, size_t len )
|
|
{
|
|
const lz4sz_t lz4sz = LZ4_compress_fast_continue( m_stream, data, m_lz4Buf + sizeof( lz4sz_t ), (int)len, LZ4Size, 1 );
|
|
memcpy( m_lz4Buf, &lz4sz, sizeof( lz4sz ) );
|
|
return m_sock->Send( m_lz4Buf, lz4sz + sizeof( lz4sz_t ) ) != -1;
|
|
}
|
|
|
|
bool Profiler::SendString( uint64_t str, const char* ptr, QueueType type )
|
|
{
|
|
assert( type == QueueType::StringData || type == QueueType::ThreadName || type == QueueType::CustomStringData || type == QueueType::PlotName );
|
|
|
|
QueueItem item;
|
|
MemWrite( &item.hdr.type, type );
|
|
MemWrite( &item.stringTransfer.ptr, str );
|
|
|
|
auto len = strlen( ptr );
|
|
assert( len <= std::numeric_limits<uint16_t>::max() );
|
|
auto l16 = uint16_t( len );
|
|
|
|
NeedDataSize( QueueDataSize[(int)type] + sizeof( l16 ) + l16 );
|
|
|
|
AppendData( &item, QueueDataSize[(int)type] );
|
|
AppendData( &l16, sizeof( l16 ) );
|
|
AppendData( ptr, l16 );
|
|
|
|
return true;
|
|
}
|
|
|
|
void Profiler::SendSourceLocation( uint64_t ptr )
|
|
{
|
|
auto srcloc = (const SourceLocation*)ptr;
|
|
QueueItem item;
|
|
MemWrite( &item.hdr.type, QueueType::SourceLocation );
|
|
MemWrite( &item.srcloc.name, (uint64_t)srcloc->name );
|
|
MemWrite( &item.srcloc.file, (uint64_t)srcloc->file );
|
|
MemWrite( &item.srcloc.function, (uint64_t)srcloc->function );
|
|
MemWrite( &item.srcloc.line, srcloc->line );
|
|
MemWrite( &item.srcloc.r, uint8_t( ( srcloc->color ) & 0xFF ) );
|
|
MemWrite( &item.srcloc.g, uint8_t( ( srcloc->color >> 8 ) & 0xFF ) );
|
|
MemWrite( &item.srcloc.b, uint8_t( ( srcloc->color >> 16 ) & 0xFF ) );
|
|
AppendData( &item, QueueDataSize[(int)QueueType::SourceLocation] );
|
|
}
|
|
|
|
bool Profiler::SendSourceLocationPayload( uint64_t _ptr )
|
|
{
|
|
auto ptr = (const char*)_ptr;
|
|
|
|
QueueItem item;
|
|
MemWrite( &item.hdr.type, QueueType::SourceLocationPayload );
|
|
MemWrite( &item.stringTransfer.ptr, _ptr );
|
|
|
|
const auto len = *((uint32_t*)ptr);
|
|
assert( len <= std::numeric_limits<uint16_t>::max() );
|
|
assert( len > 4 );
|
|
const auto l16 = uint16_t( len - 4 );
|
|
|
|
NeedDataSize( QueueDataSize[(int)QueueType::SourceLocationPayload] + sizeof( l16 ) + l16 );
|
|
|
|
AppendData( &item, QueueDataSize[(int)QueueType::SourceLocationPayload] );
|
|
AppendData( &l16, sizeof( l16 ) );
|
|
AppendData( ptr + 4, l16 );
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool DontExit() { return false; }
|
|
|
|
bool Profiler::HandleServerQuery()
|
|
{
|
|
timeval tv;
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 10000;
|
|
|
|
uint8_t type;
|
|
if( !m_sock->Read( &type, sizeof( type ), &tv, DontExit ) ) return false;
|
|
|
|
uint64_t ptr;
|
|
if( !m_sock->Read( &ptr, sizeof( ptr ), &tv, DontExit ) ) return false;
|
|
|
|
switch( type )
|
|
{
|
|
case ServerQueryString:
|
|
SendString( ptr, (const char*)ptr, QueueType::StringData );
|
|
break;
|
|
case ServerQueryThreadString:
|
|
if( ptr == m_mainThread )
|
|
{
|
|
SendString( ptr, "Main thread", QueueType::ThreadName );
|
|
}
|
|
else
|
|
{
|
|
SendString( ptr, GetThreadName( ptr ), QueueType::ThreadName );
|
|
}
|
|
break;
|
|
case ServerQuerySourceLocation:
|
|
SendSourceLocation( ptr );
|
|
break;
|
|
case ServerQueryPlotName:
|
|
SendString( ptr, (const char*)ptr, QueueType::PlotName );
|
|
break;
|
|
case ServerQueryTerminate:
|
|
return false;
|
|
default:
|
|
assert( false );
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void Profiler::CalibrateTimer()
|
|
{
|
|
#ifdef TRACY_HW_TIMER
|
|
std::atomic_signal_fence( std::memory_order_acq_rel );
|
|
const auto t0 = std::chrono::high_resolution_clock::now();
|
|
const auto r0 = GetTime();
|
|
std::atomic_signal_fence( std::memory_order_acq_rel );
|
|
std::this_thread::sleep_for( std::chrono::milliseconds( 200 ) );
|
|
std::atomic_signal_fence( std::memory_order_acq_rel );
|
|
const auto t1 = std::chrono::high_resolution_clock::now();
|
|
const auto r1 = GetTime();
|
|
std::atomic_signal_fence( std::memory_order_acq_rel );
|
|
|
|
const auto dt = std::chrono::duration_cast<std::chrono::nanoseconds>( t1 - t0 ).count();
|
|
const auto dr = r1 - r0;
|
|
|
|
m_timerMul = double( dt ) / double( dr );
|
|
#else
|
|
m_timerMul = 1.;
|
|
#endif
|
|
}
|
|
|
|
class FakeZone
|
|
{
|
|
public:
|
|
FakeZone( const SourceLocation* srcloc ) : m_id( (uint64_t)srcloc ) {}
|
|
~FakeZone() {}
|
|
|
|
private:
|
|
volatile uint64_t m_id;
|
|
};
|
|
|
|
void Profiler::CalibrateDelay()
|
|
{
|
|
enum { Iterations = 50000 };
|
|
enum { Events = Iterations * 2 }; // start + end
|
|
static_assert( Events * 2 < QueuePrealloc, "Delay calibration loop will allocate memory in queue" );
|
|
|
|
moodycamel::ProducerToken ptoken_detail( s_queue );
|
|
moodycamel::ConcurrentQueue<QueueItem>::ExplicitProducer* ptoken = s_queue.get_explicit_producer( ptoken_detail );
|
|
for( int i=0; i<Iterations; i++ )
|
|
{
|
|
static const tracy::SourceLocation __tracy_source_location { nullptr, __FUNCTION__, __FILE__, (uint32_t)__LINE__, 0 };
|
|
{
|
|
Magic magic;
|
|
auto& tail = ptoken->get_tail_index();
|
|
auto item = ptoken->enqueue_begin<moodycamel::CanAlloc>( magic );
|
|
MemWrite( &item->hdr.type, QueueType::ZoneBegin );
|
|
MemWrite( &item->zoneBegin.thread, GetThreadHandle() );
|
|
#ifdef TRACY_HW_TIMER
|
|
MemWrite( &item->zoneBegin.time, Profiler::GetTime( item->zoneBegin.cpu ) );
|
|
#else
|
|
uint32_t cpu;
|
|
MemWrite( &item->zoneBegin.time, Profiler::GetTime( cpu ) );
|
|
MemWrite( &item->zoneBegin.cpu, cpu );
|
|
#endif
|
|
MemWrite( &item->zoneBegin.srcloc, (uint64_t)&__tracy_source_location );
|
|
tail.store( magic + 1, std::memory_order_release );
|
|
}
|
|
{
|
|
Magic magic;
|
|
auto& tail = ptoken->get_tail_index();
|
|
auto item = ptoken->enqueue_begin<moodycamel::CanAlloc>( magic );
|
|
MemWrite( &item->hdr.type, QueueType::ZoneEnd );
|
|
MemWrite( &item->zoneEnd.thread, uint64_t( 0 ) );
|
|
#ifdef TRACY_HW_TIMER
|
|
MemWrite( &item->zoneEnd.time, GetTime( item->zoneEnd.cpu ) );
|
|
#else
|
|
uint32_t cpu;
|
|
MemWrite( &item->zoneEnd.time, GetTime( cpu ) );
|
|
MemWrite( &item->zoneEnd.cpu, cpu );
|
|
#endif
|
|
tail.store( magic + 1, std::memory_order_release );
|
|
}
|
|
}
|
|
const auto f0 = GetTime();
|
|
for( int i=0; i<Iterations; i++ )
|
|
{
|
|
static const tracy::SourceLocation __tracy_source_location { nullptr, __FUNCTION__, __FILE__, (uint32_t)__LINE__, 0 };
|
|
FakeZone ___tracy_scoped_zone( &__tracy_source_location );
|
|
}
|
|
const auto t0 = GetTime();
|
|
for( int i=0; i<Iterations; i++ )
|
|
{
|
|
static const tracy::SourceLocation __tracy_source_location { nullptr, __FUNCTION__, __FILE__, (uint32_t)__LINE__, 0 };
|
|
{
|
|
Magic magic;
|
|
auto& tail = ptoken->get_tail_index();
|
|
auto item = ptoken->enqueue_begin<moodycamel::CanAlloc>( magic );
|
|
MemWrite( &item->hdr.type, QueueType::ZoneBegin );
|
|
MemWrite( &item->zoneBegin.thread, GetThreadHandle() );
|
|
#ifdef TRACY_HW_TIMER
|
|
MemWrite( &item->zoneBegin.time, Profiler::GetTime( item->zoneBegin.cpu ) );
|
|
#else
|
|
uint32_t cpu;
|
|
MemWrite( &item->zoneBegin.time, Profiler::GetTime( cpu ) );
|
|
MemWrite( &item->zoneBegin.cpu, cpu );
|
|
#endif
|
|
MemWrite( &item->zoneBegin.srcloc, (uint64_t)&__tracy_source_location );
|
|
tail.store( magic + 1, std::memory_order_release );
|
|
}
|
|
{
|
|
Magic magic;
|
|
auto& tail = ptoken->get_tail_index();
|
|
auto item = ptoken->enqueue_begin<moodycamel::CanAlloc>( magic );
|
|
MemWrite( &item->hdr.type, QueueType::ZoneEnd );
|
|
MemWrite( &item->zoneEnd.thread, uint64_t( 0 ) );
|
|
#ifdef TRACY_HW_TIMER
|
|
MemWrite( &item->zoneEnd.time, GetTime( item->zoneEnd.cpu ) );
|
|
#else
|
|
uint32_t cpu;
|
|
MemWrite( &item->zoneEnd.time, GetTime( cpu ) );
|
|
MemWrite( &item->zoneEnd.cpu, cpu );
|
|
#endif
|
|
tail.store( magic + 1, std::memory_order_release );
|
|
}
|
|
}
|
|
const auto t1 = GetTime();
|
|
const auto dt = t1 - t0;
|
|
const auto df = t0 - f0;
|
|
m_delay = ( dt - df ) / Events;
|
|
|
|
auto mindiff = std::numeric_limits<int64_t>::max();
|
|
for( int i=0; i<Iterations * 10; i++ )
|
|
{
|
|
const auto t0 = GetTime();
|
|
const auto t1 = GetTime();
|
|
const auto dt = t1 - t0;
|
|
if( dt > 0 && dt < mindiff ) mindiff = dt;
|
|
}
|
|
|
|
m_resolution = mindiff;
|
|
|
|
enum { Bulk = 1000 };
|
|
moodycamel::ConsumerToken token( s_queue );
|
|
int left = Events * 2;
|
|
QueueItem item[Bulk];
|
|
while( left != 0 )
|
|
{
|
|
const auto sz = s_queue.try_dequeue_bulk( token, item, std::min( left, (int)Bulk ) );
|
|
assert( sz > 0 );
|
|
left -= (int)sz;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|