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Track list of shared locks.

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This commit is contained in:
Bartosz Taudul 2017-12-10 22:42:39 +01:00
parent 4d9ae83abd
commit b07718ab9e
2 changed files with 27 additions and 4 deletions
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6
server/TracyEvent.hpp
View File

@ -100,7 +100,10 @@ struct LockEvent
{
Wait,
Obtain,
Release
Release,
WaitShared,
ObtainShared,
ReleaseShared
};
int64_t time;
@ -110,6 +113,7 @@ struct LockEvent
Type type;
uint8_t lockCount;
uint64_t waitList;
uint64_t sharedList;
};
enum { LockEventSize = sizeof( LockEvent ) };

25
server/TracyView.cpp
View File

@ -793,7 +793,7 @@ void View::ProcessLockSharedWait( const QueueLockWait& ev )
{
auto lev = m_slab.Alloc<LockEvent>();
lev->time = ev.time * m_timerMul;
lev->type = LockEvent::Type::Wait;
lev->type = LockEvent::Type::WaitShared;
lev->srcloc = 0;
auto it = m_lockMap.find( ev.id );
@ -811,7 +811,7 @@ void View::ProcessLockSharedObtain( const QueueLockObtain& ev )
{
auto lev = m_slab.Alloc<LockEvent>();
lev->time = ev.time * m_timerMul;
lev->type = LockEvent::Type::Obtain;
lev->type = LockEvent::Type::ObtainShared;
lev->srcloc = 0;
assert( m_lockMap.find( ev.id ) != m_lockMap.end() );
@ -822,7 +822,7 @@ void View::ProcessLockSharedRelease( const QueueLockRelease& ev )
{
auto lev = m_slab.Alloc<LockEvent>();
lev->time = ev.time * m_timerMul;
lev->type = LockEvent::Type::Release;
lev->type = LockEvent::Type::ReleaseShared;
lev->srcloc = 0;
assert( m_lockMap.find( ev.id ) != m_lockMap.end() );
@ -847,7 +847,9 @@ void View::ProcessLockMark( const QueueLockMark& ev )
switch( (*it)->type )
{
case LockEvent::Type::Obtain:
case LockEvent::Type::ObtainShared:
case LockEvent::Type::Wait:
case LockEvent::Type::WaitShared:
(*it)->srcloc = ShrinkSourceLocation( ev.srcloc );
return;
default:
@ -1334,12 +1336,14 @@ void View::UpdateLockCount( LockMap& lockmap, size_t pos )
uint8_t lockingThread;
uint8_t lockCount;
uint64_t waitList;
uint64_t sharedList;
if( pos == 0 )
{
lockingThread = 0;
lockCount = 0;
waitList = 0;
sharedList = 0;
}
else
{
@ -1347,9 +1351,12 @@ void View::UpdateLockCount( LockMap& lockmap, size_t pos )
lockingThread = tl->lockingThread;
lockCount = tl->lockCount;
waitList = tl->waitList;
sharedList = tl->sharedList;
}
const auto end = timeline.size();
// ObtainShared and ReleaseShared should assert on lockCount == 0, but
// due to the async retrieval of data from threads that not possible.
while( pos != end )
{
const auto tl = timeline[pos];
@ -1357,6 +1364,7 @@ void View::UpdateLockCount( LockMap& lockmap, size_t pos )
switch( (LockEvent::Type)tl->type )
{
case LockEvent::Type::Wait:
case LockEvent::Type::WaitShared:
waitList |= tbit;
break;
case LockEvent::Type::Obtain:
@ -1370,11 +1378,22 @@ void View::UpdateLockCount( LockMap& lockmap, size_t pos )
assert( lockCount > 0 );
lockCount--;
break;
case LockEvent::Type::ObtainShared:
assert( ( waitList & tbit ) != 0 );
assert( ( sharedList & tbit ) == 0 );
waitList &= ~tbit;
sharedList |= tbit;
break;
case LockEvent::Type::ReleaseShared:
assert( ( sharedList & tbit ) != 0 );
sharedList &= ~tbit;
break;
default:
break;
}
tl->lockingThread = lockingThread;
tl->waitList = waitList;
tl->sharedList = sharedList;
tl->lockCount = lockCount;
assert( tl->lockingThread == lockingThread );
pos++;