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Postpone processing incomplete sampled callstacks.

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This commit is contained in:
Bartosz Taudul 2020-02-29 13:45:50 +01:00
parent 7e4088ed61
commit 3412d2232f
2 changed files with 56 additions and 17 deletions
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57
server/TracyWorker.cpp
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@ -1737,7 +1737,7 @@ Worker::Worker( FileRead& f, EventType::Type eventMask, bool bgTasks )
} }
} }
} }
for( auto& v : counts ) UpdateSampleStatistics( v.first, v.second ); for( auto& v : counts ) UpdateSampleStatistics( v.first, v.second, false );
} }
std::lock_guard<std::shared_mutex> lock( m_data.lock ); std::lock_guard<std::shared_mutex> lock( m_data.lock );
@ -4743,7 +4743,7 @@ void Worker::ProcessCallstackSample( const QueueCallstackSample& ev )
} }
#ifndef TRACY_NO_STATISTICS #ifndef TRACY_NO_STATISTICS
UpdateSampleStatistics( m_pendingCallstackId, 1 ); UpdateSampleStatistics( m_pendingCallstackId, 1, true );
#endif #endif
} }
@ -5246,14 +5246,54 @@ void Worker::ReconstructContextSwitchUsage()
m_data.ctxUsageReady = true; m_data.ctxUsageReady = true;
} }
void Worker::UpdateSampleStatistics( uint32_t callstack, uint32_t count ) void Worker::UpdateSampleStatistics( uint32_t callstack, uint32_t count, bool canPostpone )
{ {
const auto& cs = GetCallstack( callstack ); const auto& cs = GetCallstack( callstack );
const auto cssz = cs.size(); const auto cssz = cs.size();
const auto fexcl = GetCallstackFrame( cs[0] ); auto frames = (const CallstackFrameData**)alloca( cssz * sizeof( CallstackFrameData* ) );
if( fexcl ) for( uint8_t i=0; i<cssz; i++ )
{ {
auto frame = GetCallstackFrame( cs[i] );
if( !frame )
{
if( canPostpone )
{
auto it = m_data.postponedSamples.find( callstack );
if( it == m_data.postponedSamples.end() )
{
m_data.postponedSamples.emplace( callstack, count );
}
else
{
it->second += count;
}
}
return;
}
else
{
frames[i] = frame;
}
}
if( canPostpone )
{
auto it = m_data.postponedSamples.find( callstack );
if( it != m_data.postponedSamples.end() )
{
count += it->second;
m_data.postponedSamples.erase( it );
}
}
UpdateSampleStatisticsImpl( frames, cssz, count );
}
void Worker::UpdateSampleStatisticsImpl( const CallstackFrameData** frames, uint8_t framesCount, uint32_t count )
{
{
const auto fexcl = frames[0];
const auto fsz = fexcl->size; const auto fsz = fexcl->size;
const auto& frame0 = fexcl->data[0]; const auto& frame0 = fexcl->data[0];
auto sym = m_data.symbolStats.find( frame0.symAddr ); auto sym = m_data.symbolStats.find( frame0.symAddr );
@ -5267,11 +5307,9 @@ void Worker::UpdateSampleStatistics( uint32_t callstack, uint32_t count )
sym->second.incl += count; sym->second.incl += count;
} }
} }
for( uint8_t c=1; c<cssz; c++ ) for( uint8_t c=1; c<framesCount; c++ )
{
const auto fincl = GetCallstackFrame( cs[c] );
if( fincl )
{ {
const auto fincl = frames[c];
const auto fsz = fincl->size; const auto fsz = fincl->size;
for( uint8_t f=0; f<fsz; f++ ) for( uint8_t f=0; f<fsz; f++ )
{ {
@ -5282,7 +5320,6 @@ void Worker::UpdateSampleStatistics( uint32_t callstack, uint32_t count )
} }
} }
} }
}
#endif #endif
int64_t Worker::ReadTimeline( FileRead& f, ZoneEvent* zone, int64_t refTime, int32_t& childIdx ) int64_t Worker::ReadTimeline( FileRead& f, ZoneEvent* zone, int64_t refTime, int32_t& childIdx )

4
server/TracyWorker.hpp
View File

@ -227,6 +227,7 @@ private:
unordered_flat_map<uint64_t, SymbolStats> symbolStats; unordered_flat_map<uint64_t, SymbolStats> symbolStats;
#ifndef TRACY_NO_STATISTICS #ifndef TRACY_NO_STATISTICS
unordered_flat_map<uint32_t, uint32_t> postponedSamples;
bool callstackSamplesReady = false; bool callstackSamplesReady = false;
#endif #endif
@ -638,7 +639,8 @@ private:
#ifndef TRACY_NO_STATISTICS #ifndef TRACY_NO_STATISTICS
void ReconstructContextSwitchUsage(); void ReconstructContextSwitchUsage();
void UpdateSampleStatistics( uint32_t callstack, uint32_t count ); void UpdateSampleStatistics( uint32_t callstack, uint32_t count, bool canPostpone );
void UpdateSampleStatisticsImpl( const CallstackFrameData** frames, uint8_t framesCount, uint32_t count );
#endif #endif
tracy_force_inline int64_t ReadTimeline( FileRead& f, ZoneEvent* zone, int64_t refTime, int32_t& childIdx ); tracy_force_inline int64_t ReadTimeline( FileRead& f, ZoneEvent* zone, int64_t refTime, int32_t& childIdx );