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Don't add ghost zones if full callstack data isn't available.

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This commit is contained in:
Bartosz Taudul 2020-05-31 14:17:54 +02:00
parent de5f8df9d3
commit 1154343a20
3 changed files with 83 additions and 70 deletions
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1
server/TracyEvent.hpp
View File

@ -553,6 +553,7 @@ struct ThreadData
#ifndef TRACY_NO_STATISTICS
Vector<int64_t> childTimeStack;
Vector<GhostZone> ghostZones;
uint64_t ghostIdx;
#endif
Vector<SampleData> samples;
};

151
server/TracyWorker.cpp
View File

@ -3522,6 +3522,7 @@ ThreadData* Worker::NewThread( uint64_t thread )
td->id = thread;
td->count = 0;
td->nextZoneId = 0;
td->ghostIdx = 0;
m_data.threads.push_back( td );
m_threadMap.emplace( thread, td );
m_data.threadDataLast.first = thread;
@ -5604,93 +5605,103 @@ void Worker::ProcessCallstackSample( const QueueCallstackSampleLean& ev )
}
}
}
int gcnt = 0;
int idx = cs.size() - 1;
auto vec = &td->ghostZones;
do
const auto framesKnown = UpdateSampleStatistics( m_pendingCallstackId, 1, true );
assert( td->samples.size() > td->ghostIdx );
if( framesKnown && td->ghostIdx + 1 == td->samples.size() )
{
auto& entry = cs[idx];
uint32_t fid;
auto it = m_data.ghostFramesMap.find( entry.data );
if( it == m_data.ghostFramesMap.end() )
td->ghostIdx++;
int gcnt = 0;
int idx = cs.size() - 1;
auto vec = &td->ghostZones;
do
{
fid = uint32_t( m_data.ghostFrames.size() );
m_data.ghostFrames.push_back( entry );
m_data.ghostFramesMap.emplace( entry.data, fid );
}
else
{
fid = it->second;
}
if( vec->empty() )
{
gcnt++;
auto& zone = vec->push_next();
zone.start.SetVal( t );
zone.end.SetVal( t + m_samplingPeriod );
zone.frame.SetVal( fid );
zone.child = -1;
}
else
{
auto& back = vec->back();
const auto backFrame = GetCallstackFrame( m_data.ghostFrames[back.frame.Val()] );
const auto thisFrame = GetCallstackFrame( entry );
bool match = false;
if( backFrame && thisFrame )
auto& entry = cs[idx];
uint32_t fid;
auto it = m_data.ghostFramesMap.find( entry.data );
if( it == m_data.ghostFramesMap.end() )
{
match = backFrame->size == thisFrame->size;
if( match )
{
for( uint8_t i=0; i<thisFrame->size; i++ )
{
if( backFrame->data[i].symAddr != thisFrame->data[i].symAddr )
{
match = false;
break;
}
}
}
}
if( match )
{
back.end.SetVal( t + m_samplingPeriod );
fid = uint32_t( m_data.ghostFrames.size() );
m_data.ghostFrames.push_back( entry );
m_data.ghostFramesMap.emplace( entry.data, fid );
}
else
{
fid = it->second;
}
if( vec->empty() )
{
gcnt++;
auto ptr = &back;
for(;;)
{
ptr->end.SetVal( t );
if( ptr->child < 0 ) break;
ptr = &GetGhostChildrenMutable( ptr->child ).back();
}
auto& zone = vec->push_next_non_empty();
auto& zone = vec->push_next();
zone.start.SetVal( t );
zone.end.SetVal( t + m_samplingPeriod );
zone.frame.SetVal( fid );
zone.child = -1;
}
}
if( idx > 0 )
{
auto& zone = vec->back();
if( zone.child < 0 )
{
zone.child = m_data.ghostChildren.size();
vec = &m_data.ghostChildren.push_next();
}
else
{
vec = &m_data.ghostChildren[zone.child];
auto& back = vec->back();
const auto backFrame = GetCallstackFrame( m_data.ghostFrames[back.frame.Val()] );
const auto thisFrame = GetCallstackFrame( entry );
bool match = false;
if( backFrame && thisFrame )
{
match = backFrame->size == thisFrame->size;
if( match )
{
for( uint8_t i=0; i<thisFrame->size; i++ )
{
if( backFrame->data[i].symAddr != thisFrame->data[i].symAddr )
{
match = false;
break;
}
}
}
}
if( match )
{
back.end.SetVal( t + m_samplingPeriod );
}
else
{
gcnt++;
auto ptr = &back;
for(;;)
{
ptr->end.SetVal( t );
if( ptr->child < 0 ) break;
ptr = &GetGhostChildrenMutable( ptr->child ).back();
}
auto& zone = vec->push_next_non_empty();
zone.start.SetVal( t );
zone.end.SetVal( t + m_samplingPeriod );
zone.frame.SetVal( fid );
zone.child = -1;
}
}
if( idx > 0 )
{
auto& zone = vec->back();
if( zone.child < 0 )
{
zone.child = m_data.ghostChildren.size();
vec = &m_data.ghostChildren.push_next();
}
else
{
vec = &m_data.ghostChildren[zone.child];
}
}
}
while( idx-- > 0 );
m_data.ghostCnt += gcnt;
}
else
{
m_data.ghostZonesPostponed = true;
}
while( idx-- > 0 );
m_data.ghostCnt += gcnt;
UpdateSampleStatistics( m_pendingCallstackId, 1, true );
#endif
}

1
server/TracyWorker.hpp
View File

@ -253,6 +253,7 @@ private:
bool newFramesWereReceived = false;
bool callstackSamplesReady = false;
bool ghostZonesReady = false;
bool ghostZonesPostponed = false;
#endif
unordered_flat_map<uint32_t, LockMap*> lockMap;