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Do not store tail index in memory.

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This commit is contained in:
Bartosz Taudul 2017-10-03 14:50:55 +02:00
parent dbb90e51b0
commit ba037e5798
4 changed files with 52 additions and 42 deletions
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20
client/TracyProfiler.cpp
View File

@ -280,20 +280,22 @@ void Profiler::CalibrateDelay()
static const tracy::SourceLocation __tracy_source_location { __FUNCTION__, __FILE__, (uint32_t)__LINE__, 0 };
const auto id = GetNewId();
{
auto item = s_queue.enqueue_begin( ptoken );
Magic magic;
auto item = s_queue.enqueue_begin( ptoken, magic );
item->hdr.type = QueueType::ZoneBegin;
item->hdr.id = id;
item->zoneBegin.time = GetTime( item->zoneBegin.cpu );
item->zoneBegin.srcloc = (uint64_t)&__tracy_source_location;
item->zoneBegin.thread = GetThreadHandle();
s_queue.enqueue_finish( ptoken );
s_queue.enqueue_finish( ptoken, magic );
}
{
auto item = s_queue.enqueue_begin( ptoken );
Magic magic;
auto item = s_queue.enqueue_begin( ptoken, magic );
item->hdr.type = QueueType::ZoneEnd;
item->hdr.id = id;
item->zoneEnd.time = GetTime( item->zoneEnd.cpu );
s_queue.enqueue_finish( ptoken );
s_queue.enqueue_finish( ptoken, magic );
}
}
const auto f0 = GetTime( cpu );
@ -308,20 +310,22 @@ void Profiler::CalibrateDelay()
static const tracy::SourceLocation __tracy_source_location { __FUNCTION__, __FILE__, (uint32_t)__LINE__, 0 };
const auto id = GetNewId();
{
auto item = s_queue.enqueue_begin( ptoken );
Magic magic;
auto item = s_queue.enqueue_begin( ptoken, magic );
item->hdr.type = QueueType::ZoneBegin;
item->hdr.id = id;
item->zoneBegin.time = GetTime( item->zoneBegin.cpu );
item->zoneBegin.srcloc = (uint64_t)&__tracy_source_location;
item->zoneBegin.thread = GetThreadHandle();
s_queue.enqueue_finish( ptoken );
s_queue.enqueue_finish( ptoken, magic );
}
{
auto item = s_queue.enqueue_begin( ptoken );
Magic magic;
auto item = s_queue.enqueue_begin( ptoken, magic );
item->hdr.type = QueueType::ZoneEnd;
item->hdr.id = id;
item->zoneEnd.time = GetTime( item->zoneEnd.cpu );
s_queue.enqueue_finish( ptoken );
s_queue.enqueue_finish( ptoken, magic );
}
}
const auto t1 = GetTime( cpu );

11
client/TracyProfiler.hpp
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@ -31,6 +31,8 @@ extern moodycamel::ConcurrentQueue<QueueItem> s_queue;
extern thread_local moodycamel::ProducerToken s_token;;
extern std::atomic<uint64_t> s_id;
using Magic = moodycamel::ConcurrentQueueDefaultTraits::index_t;
class Profiler
{
public:
@ -50,17 +52,18 @@ public:
#endif
}
static QueueItem* StartItem() { return s_queue.enqueue_begin( s_token ); }
static void FinishItem() { s_queue.enqueue_finish( s_token ); }
static QueueItem* StartItem( Magic& magic ) { return s_queue.enqueue_begin( s_token, magic ); }
static void FinishItem( Magic magic ) { s_queue.enqueue_finish( s_token, magic ); }
static uint64_t GetNewId() { return s_id.fetch_add( 1, std::memory_order_relaxed ); }
static void FrameMark()
{
int8_t cpu;
auto item = s_queue.enqueue_begin( s_token );
Magic magic;
auto item = s_queue.enqueue_begin( s_token, magic );
item->hdr.type = QueueType::FrameMarkMsg;
item->hdr.id = (uint64_t)GetTime( cpu );
s_queue.enqueue_finish( s_token );
s_queue.enqueue_finish( s_token, magic );
}
static bool ShouldExit();

20
client/TracyScoped.hpp
View File

@ -16,43 +16,47 @@ public:
ScopedZone( const SourceLocation* srcloc )
: m_id( Profiler::GetNewId() )
{
auto item = Profiler::StartItem();
Magic magic;
auto item = Profiler::StartItem( magic );
item->hdr.type = QueueType::ZoneBegin;
item->hdr.id = m_id;
item->zoneBegin.time = Profiler::GetTime( item->zoneBegin.cpu );
item->zoneBegin.srcloc = (uint64_t)srcloc;
item->zoneBegin.thread = GetThreadHandle();
Profiler::FinishItem();
Profiler::FinishItem( magic );
}
~ScopedZone()
{
auto item = Profiler::StartItem();
Magic magic;
auto item = Profiler::StartItem( magic );
item->hdr.type = QueueType::ZoneEnd;
item->hdr.id = m_id;
item->zoneEnd.time = Profiler::GetTime( item->zoneEnd.cpu );
Profiler::FinishItem();
Profiler::FinishItem( magic );
}
void Text( const char* txt, size_t size )
{
Magic magic;
auto ptr = new char[size+1];
memcpy( ptr, txt, size );
ptr[size] = '\0';
auto item = Profiler::StartItem();
auto item = Profiler::StartItem( magic );
item->hdr.type = QueueType::ZoneText;
item->hdr.id = m_id;
item->zoneText.text = (uint64_t)ptr;
Profiler::FinishItem();
Profiler::FinishItem( magic );
}
void Name( const char* name )
{
auto item = Profiler::StartItem();
Magic magic;
auto item = Profiler::StartItem( magic );
item->hdr.type = QueueType::ZoneName;
item->hdr.id = m_id;
item->zoneName.name = (uint64_t)name;
Profiler::FinishItem();
Profiler::FinishItem( magic );
}
private:

43
client/concurrentqueue.h
View File

@ -951,14 +951,14 @@ public:
return inner_enqueue<CanAlloc>(token, std::move(item));
}
force_inline T* enqueue_begin(producer_token_t const& token)
force_inline T* enqueue_begin(producer_token_t const& token, index_t& currentTailIndex)
{
return inner_enqueue_begin<CanAlloc>(token);
return inner_enqueue_begin<CanAlloc>(token, currentTailIndex);
}
force_inline void enqueue_finish(producer_token_t const& token)
force_inline void enqueue_finish(producer_token_t const& token, index_t currentTailIndex)
{
inner_enqueue_finish(token);
inner_enqueue_finish(token, currentTailIndex);
}
// Enqueues several items.
@ -1301,14 +1301,14 @@ private:
}
template<AllocationMode canAlloc>
force_inline T* inner_enqueue_begin(producer_token_t const& token)
force_inline T* inner_enqueue_begin(producer_token_t const& token, index_t& currentTailIndex)
{
return static_cast<ExplicitProducer*>(token.producer)->ConcurrentQueue::ExplicitProducer::template enqueue_begin<canAlloc>();
return static_cast<ExplicitProducer*>(token.producer)->ConcurrentQueue::ExplicitProducer::template enqueue_begin<canAlloc>(currentTailIndex);
}
force_inline void inner_enqueue_finish(producer_token_t const& token)
force_inline void inner_enqueue_finish(producer_token_t const& token, index_t currentTailIndex)
{
return static_cast<ExplicitProducer*>(token.producer)->ConcurrentQueue::ExplicitProducer::template enqueue_finish();
return static_cast<ExplicitProducer*>(token.producer)->ConcurrentQueue::ExplicitProducer::template enqueue_finish(currentTailIndex);
}
template<AllocationMode canAlloc, typename U>
@ -1909,7 +1909,7 @@ private:
}
template<AllocationMode allocMode>
inline void enqueue_begin_alloc()
inline void enqueue_begin_alloc(index_t currentTailIndex)
{
// We reached the end of a block, start a new one
if (this->tailBlock != nullptr && this->tailBlock->next->ConcurrentQueue::Block::template is_empty<explicit_context>()) {
@ -1928,9 +1928,9 @@ private:
// and <= its current value. Since we have the most recent tail, the head must be
// <= to it.
auto head = this->headIndex.load(std::memory_order_relaxed);
assert(!details::circular_less_than<index_t>(pr_currentTailIndex, head));
if (!details::circular_less_than<index_t>(head, pr_currentTailIndex + BLOCK_SIZE)
|| (MAX_SUBQUEUE_SIZE != details::const_numeric_max<size_t>::value && (MAX_SUBQUEUE_SIZE == 0 || MAX_SUBQUEUE_SIZE - BLOCK_SIZE < pr_currentTailIndex - head))) {
assert(!details::circular_less_than<index_t>(currentTailIndex, head));
if (!details::circular_less_than<index_t>(head, currentTailIndex + BLOCK_SIZE)
|| (MAX_SUBQUEUE_SIZE != details::const_numeric_max<size_t>::value && (MAX_SUBQUEUE_SIZE == 0 || MAX_SUBQUEUE_SIZE - BLOCK_SIZE < currentTailIndex - head))) {
// We can't enqueue in another block because there's not enough leeway -- the
// tail could surpass the head by the time the block fills up! (Or we'll exceed
// the size limit, if the second part of the condition was true.)
@ -1969,28 +1969,28 @@ private:
// Add block to block index
auto& entry = blockIndex.load(std::memory_order_relaxed)->entries[pr_blockIndexFront];
entry.base = pr_currentTailIndex;
entry.base = currentTailIndex;
entry.block = this->tailBlock;
blockIndex.load(std::memory_order_relaxed)->front.store(pr_blockIndexFront, std::memory_order_release);
pr_blockIndexFront = (pr_blockIndexFront + 1) & (pr_blockIndexSize - 1);
}
template<AllocationMode allocMode>
force_inline T* enqueue_begin()
force_inline T* enqueue_begin(index_t& currentTailIndex)
{
pr_currentTailIndex = this->tailIndex.load(std::memory_order_relaxed);
if ((pr_currentTailIndex & static_cast<index_t>(BLOCK_SIZE - 1)) != 0) {
return (*this->tailBlock)[pr_currentTailIndex];
currentTailIndex = this->tailIndex.load(std::memory_order_relaxed);
if ((currentTailIndex & static_cast<index_t>(BLOCK_SIZE - 1)) != 0) {
return (*this->tailBlock)[currentTailIndex];
}
else {
this->enqueue_begin_alloc<allocMode>();
return (*this->tailBlock)[pr_currentTailIndex];
this->enqueue_begin_alloc<allocMode>(currentTailIndex);
return (*this->tailBlock)[currentTailIndex];
}
}
force_inline void enqueue_finish()
force_inline void enqueue_finish(index_t currentTailIndex)
{
this->tailIndex.store(pr_currentTailIndex + 1, std::memory_order_release);
this->tailIndex.store(currentTailIndex + 1, std::memory_order_release);
}
template<typename U>
@ -2430,7 +2430,6 @@ private:
std::atomic<BlockIndexHeader*> blockIndex;
// To be used by producer only -- consumer must use the ones in referenced by blockIndex
index_t pr_currentTailIndex;
size_t pr_blockIndexSlotsUsed;
size_t pr_blockIndexSize;
size_t pr_blockIndexFront; // Next slot (not current)