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Build ghost frame data during live capture.

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This commit is contained in:
Bartosz Taudul 2020-03-21 18:26:42 +01:00
parent d2a53b79d7
commit 4ae13ff3dd
1 changed files with 87 additions and 0 deletions
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87
server/TracyWorker.cpp
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@ -4898,6 +4898,93 @@ void Worker::ProcessCallstackSample( const QueueCallstackSample& ev )
}
#ifndef TRACY_NO_STATISTICS
int gcnt = 0;
const auto& cs = GetCallstack( m_pendingCallstackId );
int idx = cs.size() - 1;
auto vec = &td->ghostZones;
do
{
auto& entry = cs[idx];
uint32_t fid;
auto it = m_data.ghostFramesMap.find( entry.data );
if( it == m_data.ghostFramesMap.end() )
{
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 )
{
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;
UpdateSampleStatistics( m_pendingCallstackId, 1, true );
#endif
}