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Offload TSC -> time conversion to server.

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This commit is contained in:
Bartosz Taudul 2017-09-26 00:13:24 +02:00
parent 27e1952cc5
commit 11a790a18f
4 changed files with 20 additions and 12 deletions
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5
client/TracyProfiler.cpp
View File

@ -86,7 +86,7 @@ int64_t Profiler::GetTime()
{
#if defined _MSC_VER || defined __CYGWIN__
unsigned int ui;
return int64_t( __rdtscp( &ui ) * s_instance->m_timerMul );
return int64_t( __rdtscp( &ui ) );
#else
return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
#endif
@ -151,6 +151,7 @@ void Profiler::Worker()
#else
welcome.lz4 = 1;
#endif
welcome.timerMul = m_timerMul;
welcome.timeBegin = m_timeBegin;
welcome.delay = m_delay;
@ -282,6 +283,8 @@ void Profiler::CalibrateTimer()
const auto dr = r1 - r0;
m_timerMul = double( dt ) / double( dr );
#else
m_timerMul = 1.;
#endif
}

1
common/TracyProtocol.hpp
View File

@ -26,6 +26,7 @@ enum ServerQuery : uint8_t
struct WelcomeMessage
{
uint8_t lz4;
double timerMul;
uint64_t timeBegin;
uint64_t delay;
};

25
server/TracyView.cpp
View File

@ -84,8 +84,9 @@ void View::Worker()
WelcomeMessage welcome;
if( !m_sock.Read( &welcome, sizeof( welcome ), &tv, ShouldExit ) ) goto close;
lz4 = welcome.lz4;
m_frames.push_back( welcome.timeBegin );
m_delay = welcome.delay;
m_timerMul = welcome.timerMul;
m_frames.push_back( welcome.timeBegin * m_timerMul );
m_delay = welcome.delay * m_timerMul;
}
m_hasData.store( true, std::memory_order_release );
@ -232,7 +233,7 @@ void View::ProcessZoneBegin( uint64_t id, const QueueZoneBegin& ev )
CheckString( ev.filename );
CheckString( ev.function );
CheckThreadString( ev.thread );
zone->start = ev.time;
zone->start = ev.time * m_timerMul;
zone->color = ev.color;
SourceLocation srcloc { ev.filename, ev.function, ev.line };
@ -260,8 +261,8 @@ void View::ProcessZoneBegin( uint64_t id, const QueueZoneBegin& ev )
}
else
{
assert( ev.time <= it->second.time );
zone->end = it->second.time;
zone->end = it->second.time * m_timerMul;
assert( zone->start <= zone->end );
NewZone( zone, ev.thread );
lock.unlock();
m_pendingEndZone.erase( it );
@ -279,8 +280,9 @@ void View::ProcessZoneEnd( uint64_t id, const QueueZoneEnd& ev )
{
auto zone = it->second;
std::unique_lock<std::mutex> lock( m_lock );
assert( ev.time >= zone->start );
zone->end = ev.time;
assert( zone->end == -1 );
zone->end = ev.time * m_timerMul;
assert( zone->end >= zone->start );
UpdateZone( zone );
lock.unlock();
m_openZones.erase( it );
@ -291,16 +293,17 @@ void View::ProcessFrameMark( uint64_t id )
{
assert( !m_frames.empty() );
const auto lastframe = m_frames.back();
if( lastframe < id )
const auto time = id * m_timerMul;
if( lastframe < time )
{
std::unique_lock<std::mutex> lock( m_lock );
m_frames.push_back( id );
m_frames.push_back( time );
}
else
{
auto it = std::lower_bound( m_frames.begin(), m_frames.end(), id );
auto it = std::lower_bound( m_frames.begin(), m_frames.end(), time );
std::unique_lock<std::mutex> lock( m_lock );
m_frames.insert( it, id );
m_frames.insert( it, time );
}
}

1
server/TracyView.hpp
View File

@ -118,6 +118,7 @@ private:
int64_t m_zvEnd;
uint64_t m_delay;
double m_timerMul;
};
}