tracy/client/TracyLock.hpp

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#ifndef __TRACYLOCK_HPP__
#define __TRACYLOCK_HPP__
#include <atomic>
#include <limits>
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#include "../common/TracySystem.hpp"
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#include "TracyProfiler.hpp"
namespace tracy
{
extern std::atomic<uint32_t> s_lockCounter;
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template<class T>
class Lockable
{
public:
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tracy_force_inline Lockable( const SourceLocation* srcloc )
: m_id( s_lockCounter.fetch_add( 1, std::memory_order_relaxed ) )
, m_lckloc( (uint64_t)srcloc )
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{
assert( m_id != std::numeric_limits<uint32_t>::max() );
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}
Lockable( const Lockable& ) = delete;
Lockable& operator=( const Lockable& ) = delete;
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tracy_force_inline void lock()
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{
uint32_t cpu;
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const auto thread = GetThreadHandle();
{
Magic magic;
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auto& token = s_token.ptr;
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
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item->hdr.type = QueueType::LockWait;
item->lockWait.id = m_id;
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item->lockWait.thread = thread;
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item->lockWait.time = Profiler::GetTime( cpu );
item->lockWait.lckloc = m_lckloc;
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tail.store( magic + 1, std::memory_order_release );
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}
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m_lockable.lock();
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{
Magic magic;
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auto& token = s_token.ptr;
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
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item->hdr.type = QueueType::LockObtain;
item->lockObtain.id = m_id;
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item->lockObtain.thread = thread;
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item->lockObtain.time = Profiler::GetTime( cpu );
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tail.store( magic + 1, std::memory_order_release );
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}
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}
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tracy_force_inline void unlock()
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{
m_lockable.unlock();
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uint32_t cpu;
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Magic magic;
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auto& token = s_token.ptr;
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
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item->hdr.type = QueueType::LockRelease;
item->lockRelease.id = m_id;
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item->lockRelease.thread = GetThreadHandle();
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item->lockRelease.time = Profiler::GetTime( cpu );
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tail.store( magic + 1, std::memory_order_release );
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}
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tracy_force_inline bool try_lock()
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{
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const auto ret = m_lockable.try_lock();
if( ret )
{
uint32_t cpu;
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Magic magic;
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auto& token = s_token.ptr;
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
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item->hdr.type = QueueType::LockObtain;
item->lockObtain.id = (uint64_t)&m_lockable;
item->lockObtain.thread = GetThreadHandle();
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item->lockObtain.time = Profiler::GetTime( cpu );
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tail.store( magic + 1, std::memory_order_release );
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}
return ret;
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}
tracy_force_inline void Mark( const SourceLocation* srcloc ) const
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{
Magic magic;
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auto& token = s_token.ptr;
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auto& tail = token->get_tail_index();
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auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
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item->hdr.type = QueueType::LockMark;
item->lockMark.id = m_id;
item->lockMark.thread = GetThreadHandle();
item->lockMark.srcloc = (uint64_t)srcloc;
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tail.store( magic + 1, std::memory_order_release );
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}
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private:
T m_lockable;
uint32_t m_id;
uint64_t m_lckloc;
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};
};
#endif