mirror of
https://github.com/wolfpld/tracy.git
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138 lines
3.4 KiB
C++
Executable File
138 lines
3.4 KiB
C++
Executable File
#include <assert.h>
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#include <chrono>
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#include <memory>
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#include "../common/tracy_lz4.hpp"
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#include "../common/TracyProtocol.hpp"
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#include "../common/TracySocket.hpp"
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#include "../common/TracySystem.hpp"
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#include "TracyProfiler.hpp"
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namespace tracy
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{
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extern const char* PointerCheckA;
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const char* PointerCheckB = "tracy";
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static inline int64_t GetTime()
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{
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return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
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}
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static Profiler* s_instance = nullptr;
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Profiler::Profiler()
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: m_timeBegin( GetTime() )
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, m_shutdown( false )
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, m_id( 0 )
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{
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assert( PointerCheckA == PointerCheckB );
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assert( !s_instance );
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s_instance = this;
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m_thread = std::thread( [this] { Worker(); } );
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SetThreadName( m_thread, "Tracy Profiler" );
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}
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Profiler::~Profiler()
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{
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assert( s_instance );
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s_instance = nullptr;
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m_shutdown.store( true, std::memory_order_relaxed );
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m_thread.join();
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}
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uint64_t Profiler::GetNewId()
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{
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return s_instance->m_id.fetch_add( 1, std::memory_order_relaxed );
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}
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void Profiler::ZoneBegin( QueueZoneBegin&& data )
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{
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QueueItem item;
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item.hdr.type = QueueType::ZoneBegin;
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item.hdr.time = GetTime();
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item.zoneBegin = std::move( data );
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s_instance->m_queue.enqueue( GetToken(), std::move( item ) );
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}
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void Profiler::ZoneEnd( QueueZoneEnd&& data )
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{
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QueueItem item;
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item.hdr.type = QueueType::ZoneEnd;
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item.hdr.time = GetTime();
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item.zoneEnd = std::move( data );
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s_instance->m_queue.enqueue( GetToken(), std::move( item ) );
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}
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Profiler* Profiler::Instance()
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{
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return s_instance;
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}
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void Profiler::Worker()
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{
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enum { BulkSize = TargetFrameSize / QueueItemSize };
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moodycamel::ConsumerToken token( m_queue );
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ListenSocket listen;
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listen.Listen( "8086", 8 );
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for(;;)
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{
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std::unique_ptr<Socket> sock;
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for(;;)
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{
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if( m_shutdown.load( std::memory_order_relaxed ) ) return;
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sock = listen.Accept();
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if( sock ) break;
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}
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sock->Send( &m_timeBegin, sizeof( m_timeBegin ) );
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#ifdef _DEBUG
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// notify client that lz4 compression is disabled (too slow in debug builds)
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char val = 0;
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sock->Send( &val, 1 );
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#else
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char val = 1;
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sock->Send( &val, 1 );
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#endif
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for(;;)
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{
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if( m_shutdown.load( std::memory_order_relaxed ) ) return;
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QueueItem item[BulkSize];
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const auto sz = m_queue.try_dequeue_bulk( token, item, BulkSize );
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if( sz > 0 )
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{
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char buf[TargetFrameSize];
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char* ptr = buf;
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for( int i=0; i<sz; i++ )
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{
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const auto dsz = QueueDataSize[(uint8_t)item[i].hdr.type];
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memcpy( ptr, item+i, dsz );
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ptr += dsz;
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}
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#ifdef _DEBUG
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if( sock->Send( buf, ptr - buf ) == -1 ) break;
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#else
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char lz4[LZ4Size + sizeof( lz4sz_t )];
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const lz4sz_t lz4sz = LZ4_compress_default( buf, lz4 + sizeof( lz4sz_t ), ptr - buf, LZ4Size );
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memcpy( lz4, &lz4sz, sizeof( lz4sz ) );
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if( sock->Send( lz4, lz4sz + sizeof( lz4sz_t ) ) == -1 ) break;
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#endif
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}
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else
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{
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std::this_thread::sleep_for( std::chrono::milliseconds( 10 ) );
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}
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}
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}
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}
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}
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