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tracy/server/TracyView_Locks.cpp

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Extract locks UI from View.
2022-07-02 13:24:09 +00:00
#include <inttypes.h>
#include "TracyFilesystem.hpp"
#include "TracyMouse.hpp"
#include "TracyPrint.hpp"
#include "TracyView.hpp"
namespace tracy
{
enum { MinVisSize = 3 };
static tracy_force_inline uint64_t GetThreadBit( uint8_t thread )
{
return uint64_t( 1 ) << thread;
}
static tracy_force_inline bool IsThreadWaiting( uint64_t bitlist, uint64_t threadBit )
{
return ( bitlist & threadBit ) != 0;
}
static tracy_force_inline bool AreOtherWaiting( uint64_t bitlist, uint64_t threadBit )
{
return ( bitlist & ~threadBit ) != 0;
}
enum class LockState
{
Nothing,
HasLock, // green
HasBlockingLock, // yellow
WaitLock // red
};
static Vector<LockEventPtr>::const_iterator GetNextLockEvent( const Vector<LockEventPtr>::const_iterator& it, const Vector<LockEventPtr>::const_iterator& end, LockState& nextState, uint64_t threadBit )
{
auto next = it;
next++;
switch( nextState )
{
case LockState::Nothing:
while( next < end )
{
if( next->lockCount != 0 )
{
if( GetThreadBit( next->lockingThread ) == threadBit )
{
nextState = AreOtherWaiting( next->waitList, threadBit ) ? LockState::HasBlockingLock : LockState::HasLock;
break;
}
else if( IsThreadWaiting( next->waitList, threadBit ) )
{
nextState = LockState::WaitLock;
break;
}
}
next++;
}
break;
case LockState::HasLock:
while( next < end )
{
if( next->lockCount == 0 )
{
nextState = LockState::Nothing;
break;
}
if( next->waitList != 0 )
{
if( AreOtherWaiting( next->waitList, threadBit ) )
{
nextState = LockState::HasBlockingLock;
}
break;
}
if( next->waitList != it->waitList || next->lockCount != it->lockCount )
{
break;
}
next++;
}
break;
case LockState::HasBlockingLock:
while( next < end )
{
if( next->lockCount == 0 )
{
nextState = LockState::Nothing;
break;
}
if( next->waitList != it->waitList || next->lockCount != it->lockCount )
{
break;
}
next++;
}
break;
case LockState::WaitLock:
while( next < end )
{
if( GetThreadBit( next->lockingThread ) == threadBit )
{
nextState = AreOtherWaiting( next->waitList, threadBit ) ? LockState::HasBlockingLock : LockState::HasLock;
break;
}
if( next->lockingThread != it->lockingThread )
{
break;
}
if( next->lockCount == 0 )
{
break;
}
next++;
}
break;
default:
assert( false );
break;
}
return next;
}
static Vector<LockEventPtr>::const_iterator GetNextLockEventShared( const Vector<LockEventPtr>::const_iterator& it, const Vector<LockEventPtr>::const_iterator& end, LockState& nextState, uint64_t threadBit )
{
const auto itptr = (const LockEventShared*)(const LockEvent*)it->ptr;
auto next = it;
next++;
switch( nextState )
{
case LockState::Nothing:
while( next < end )
{
const auto ptr = (const LockEventShared*)(const LockEvent*)next->ptr;
if( next->lockCount != 0 )
{
const auto wait = next->waitList | ptr->waitShared;
if( GetThreadBit( next->lockingThread ) == threadBit )
{
nextState = AreOtherWaiting( wait, threadBit ) ? LockState::HasBlockingLock : LockState::HasLock;
break;
}
else if( IsThreadWaiting( wait, threadBit ) )
{
nextState = LockState::WaitLock;
break;
}
}
else if( IsThreadWaiting( ptr->sharedList, threadBit ) )
{
nextState = ( next->waitList != 0 ) ? LockState::HasBlockingLock : LockState::HasLock;
break;
}
else if( ptr->sharedList != 0 && IsThreadWaiting( next->waitList, threadBit ) )
{
nextState = LockState::WaitLock;
break;
}
next++;
}
break;
case LockState::HasLock:
while( next < end )
{
const auto ptr = (const LockEventShared*)(const LockEvent*)next->ptr;
if( next->lockCount == 0 && !IsThreadWaiting( ptr->sharedList, threadBit ) )
{
nextState = LockState::Nothing;
break;
}
if( next->waitList != 0 )
{
if( AreOtherWaiting( next->waitList, threadBit ) )
{
nextState = LockState::HasBlockingLock;
}
break;
}
else if( !IsThreadWaiting( ptr->sharedList, threadBit ) && ptr->waitShared != 0 )
{
nextState = LockState::HasBlockingLock;
break;
}
if( next->waitList != it->waitList || ptr->waitShared != itptr->waitShared || next->lockCount != it->lockCount || ptr->sharedList != itptr->sharedList )
{
break;
}
next++;
}
break;
case LockState::HasBlockingLock:
while( next < end )
{
const auto ptr = (const LockEventShared*)(const LockEvent*)next->ptr;
if( next->lockCount == 0 && !IsThreadWaiting( ptr->sharedList, threadBit ) )
{
nextState = LockState::Nothing;
break;
}
if( next->waitList != it->waitList || ptr->waitShared != itptr->waitShared || next->lockCount != it->lockCount || ptr->sharedList != itptr->sharedList )
{
break;
}
next++;
}
break;
case LockState::WaitLock:
while( next < end )
{
const auto ptr = (const LockEventShared*)(const LockEvent*)next->ptr;
if( GetThreadBit( next->lockingThread ) == threadBit )
{
const auto wait = next->waitList | ptr->waitShared;
nextState = AreOtherWaiting( wait, threadBit ) ? LockState::HasBlockingLock : LockState::HasLock;
break;
}
if( IsThreadWaiting( ptr->sharedList, threadBit ) )
{
nextState = ( next->waitList != 0 ) ? LockState::HasBlockingLock : LockState::HasLock;
break;
}
if( next->lockingThread != it->lockingThread )
{
break;
}
if( next->lockCount == 0 && !IsThreadWaiting( ptr->waitShared, threadBit ) )
{
break;
}
next++;
}
break;
default:
assert( false );
break;
}
return next;
}
static LockState CombineLockState( LockState state, LockState next )
{
return (LockState)std::max( (int)state, (int)next );
}
void View::DrawLockHeader( uint32_t id, const LockMap& lockmap, const SourceLocation& srcloc, bool hover, ImDrawList* draw, const ImVec2& wpos, float w, float ty, float offset, uint8_t tid )
{
char buf[1024];
if( lockmap.customName.Active() )
{
sprintf( buf, "%" PRIu32 ": %s", id, m_worker.GetString( lockmap.customName ) );
}
else
{
sprintf( buf, "%" PRIu32 ": %s", id, m_worker.GetString( srcloc.function ) );
}
DrawTextContrast( draw, wpos + ImVec2( 0, offset ), 0xFF8888FF, buf );
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty + 1 ) ) )
{
m_lockHoverHighlight = id;
if( ImGui::IsMouseHoveringRect( wpos + ImVec2( 0, offset ), wpos + ImVec2( ty + ImGui::CalcTextSize( buf ).x, offset + ty + 1 ) ) )
{
const auto& range = lockmap.range[tid];
const auto activity = range.end - range.start;
const auto traceLen = m_worker.GetLastTime();
int64_t timeAnnounce = lockmap.timeAnnounce;
int64_t timeTerminate = lockmap.timeTerminate;
if( !lockmap.timeline.empty() )
{
if( timeAnnounce <= 0 )
{
timeAnnounce = lockmap.timeline.front().ptr->Time();
}
if( timeTerminate <= 0 )
{
timeTerminate = lockmap.timeline.back().ptr->Time();
}
}
const auto lockLen = timeTerminate - timeAnnounce;
ImGui::BeginTooltip();
switch( lockmap.type )
{
case LockType::Lockable:
TextFocused( "Type:", "lockable" );
break;
case LockType::SharedLockable:
TextFocused( "Type:", "shared lockable" );
break;
default:
assert( false );
break;
}
ImGui::TextUnformatted( LocationToString( m_worker.GetString( srcloc.file ), srcloc.line ) );
ImGui::Separator();
TextFocused( ICON_FA_RANDOM " Appeared at", TimeToString( range.start ) );
TextFocused( ICON_FA_RANDOM " Last event at", TimeToString( range.end ) );
TextFocused( ICON_FA_RANDOM " Activity time:", TimeToString( activity ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%.2f%% of lock lifetime)", activity / double( lockLen ) * 100 );
ImGui::Separator();
TextFocused( "Announce time:", TimeToString( timeAnnounce ) );
TextFocused( "Terminate time:", TimeToString( timeTerminate ) );
TextFocused( "Lifetime:", TimeToString( lockLen ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%.2f%% of trace time)", lockLen / double( traceLen ) * 100 );
ImGui::Separator();
TextDisabledUnformatted( "Thread list:" );
ImGui::Indent( ty );
for( const auto& t : lockmap.threadList )
{
SmallColorBox( GetThreadColor( t, 0 ) );
ImGui::SameLine();
ImGui::TextUnformatted( m_worker.GetThreadName( t ) );
}
ImGui::Unindent( ty );
ImGui::Separator();
TextFocused( "Lock events:", RealToString( lockmap.timeline.size() ) );
ImGui::EndTooltip();
if( IsMouseClicked( 0 ) )
{
m_lockInfoWindow = id;
}
if( IsMouseClicked( 2 ) )
{
ZoomToRange( range.start, range.end );
}
}
}
}
int View::DrawLocks( uint64_t tid, bool hover, double pxns, const ImVec2& wpos, int _offset, LockHighlight& highlight, float yMin, float yMax )
{
const auto delay = m_worker.GetDelay();
const auto resolution = m_worker.GetResolution();
const auto w = ImGui::GetContentRegionAvail().x - 1;
const auto ty = ImGui::GetTextLineHeight();
const auto ostep = ty + 1;
auto draw = ImGui::GetWindowDrawList();
const auto dsz = delay * pxns;
const auto rsz = resolution * pxns;
const auto dpos = wpos + ImVec2( 0.5f, 0.5f );
const auto ty025 = round( ty * 0.25f );
const auto ty05 = round( ty * 0.5f );
const auto ty075 = round( ty * 0.75f );
int cnt = 0;
for( const auto& v : m_worker.GetLockMap() )
{
const auto& lockmap = *v.second;
if( !lockmap.valid || !Vis( &lockmap ).visible ) continue;
if( m_vd.onlyContendedLocks && ( lockmap.threadList.size() == 1 || !lockmap.isContended ) && m_lockInfoWindow != v.first ) continue;
auto it = lockmap.threadMap.find( tid );
if( it == lockmap.threadMap.end() ) continue;
const auto offset = _offset + ostep * cnt;
const auto& range = lockmap.range[it->second];
const auto& tl = lockmap.timeline;
assert( !tl.empty() );
if( range.start > m_vd.zvEnd || range.end < m_vd.zvStart )
{
if( m_lockInfoWindow == v.first )
{
draw->AddRectFilled( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty ), 0x2288DD88 );
draw->AddRect( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty ), 0x4488DD88 );
DrawLockHeader( v.first, lockmap, m_worker.GetSourceLocation( lockmap.srcloc ), hover, draw, wpos, w, ty, offset, it->second );
cnt++;
}
continue;
}
auto GetNextLockFunc = lockmap.type == LockType::Lockable ? GetNextLockEvent : GetNextLockEventShared;
const auto thread = it->second;
const auto threadBit = GetThreadBit( thread );
auto vbegin = std::lower_bound( tl.begin(), tl.end(), std::max( range.start, m_vd.zvStart - delay ), [] ( const auto& l, const auto& r ) { return l.ptr->Time() < r; } );
const auto vend = std::lower_bound( vbegin, tl.end(), std::min( range.end, m_vd.zvEnd + resolution ), [] ( const auto& l, const auto& r ) { return l.ptr->Time() < r; } );
if( vbegin > tl.begin() ) vbegin--;
LockState state = LockState::Nothing;
if( lockmap.type == LockType::Lockable )
{
if( vbegin->lockCount != 0 )
{
if( vbegin->lockingThread == thread )
{
state = AreOtherWaiting( vbegin->waitList, threadBit ) ? LockState::HasBlockingLock : LockState::HasLock;
}
else if( IsThreadWaiting( vbegin->waitList, threadBit ) )
{
state = LockState::WaitLock;
}
}
}
else
{
auto ptr = (const LockEventShared*)(const LockEvent*)vbegin->ptr;
if( vbegin->lockCount != 0 )
{
if( vbegin->lockingThread == thread )
{
state = ( AreOtherWaiting( vbegin->waitList, threadBit ) || AreOtherWaiting( ptr->waitShared, threadBit ) ) ? LockState::HasBlockingLock : LockState::HasLock;
}
else if( IsThreadWaiting( vbegin->waitList, threadBit ) || IsThreadWaiting( ptr->waitShared, threadBit ) )
{
state = LockState::WaitLock;
}
}
else if( IsThreadWaiting( ptr->sharedList, threadBit ) )
{
state = vbegin->waitList != 0 ? LockState::HasBlockingLock : LockState::HasLock;
}
else if( ptr->sharedList != 0 && IsThreadWaiting( vbegin->waitList, threadBit ) )
{
state = LockState::WaitLock;
}
}
const auto yPos = wpos.y + offset;
if( yPos + ostep >= yMin && yPos <= yMax )
{
bool drawn = false;
const auto& srcloc = m_worker.GetSourceLocation( lockmap.srcloc );
double pxend = 0;
for(;;)
{
if( m_vd.onlyContendedLocks )
{
while( vbegin < vend && ( state == LockState::Nothing || state == LockState::HasLock ) )
{
vbegin = GetNextLockFunc( vbegin, vend, state, threadBit );
}
}
else
{
while( vbegin < vend && state == LockState::Nothing )
{
vbegin = GetNextLockFunc( vbegin, vend, state, threadBit );
}
}
if( vbegin >= vend ) break;
assert( state != LockState::Nothing && ( !m_vd.onlyContendedLocks || state != LockState::HasLock ) );
drawn = true;
LockState drawState = state;
auto next = GetNextLockFunc( vbegin, vend, state, threadBit );
const auto t0 = vbegin->ptr->Time();
int64_t t1 = next == tl.end() ? m_worker.GetLastTime() : next->ptr->Time();
const auto px0 = std::max( pxend, ( t0 - m_vd.zvStart ) * pxns );
auto tx0 = px0;
double px1 = ( t1 - m_vd.zvStart ) * pxns;
uint64_t condensed = 0;
if( m_vd.onlyContendedLocks )
{
for(;;)
{
if( next >= vend || px1 - tx0 > MinVisSize ) break;
auto n = next;
auto ns = state;
while( n < vend && ( ns == LockState::Nothing || ns == LockState::HasLock ) )
{
n = GetNextLockFunc( n, vend, ns, threadBit );
}
if( n >= vend ) break;
if( n == next )
{
n = GetNextLockFunc( n, vend, ns, threadBit );
}
drawState = CombineLockState( drawState, state );
condensed++;
const auto t2 = n == tl.end() ? m_worker.GetLastTime() : n->ptr->Time();
const auto px2 = ( t2 - m_vd.zvStart ) * pxns;
if( px2 - px1 > MinVisSize ) break;
if( drawState != ns && px2 - px0 > MinVisSize && !( ns == LockState::Nothing || ns == LockState::HasLock ) ) break;
t1 = t2;
tx0 = px1;
px1 = px2;
next = n;
state = ns;
}
}
else
{
for(;;)
{
if( next >= vend || px1 - tx0 > MinVisSize ) break;
auto n = next;
auto ns = state;
while( n < vend && ns == LockState::Nothing )
{
n = GetNextLockFunc( n, vend, ns, threadBit );
}
if( n >= vend ) break;
if( n == next )
{
n = GetNextLockFunc( n, vend, ns, threadBit );
}
drawState = CombineLockState( drawState, state );
condensed++;
const auto t2 = n == tl.end() ? m_worker.GetLastTime() : n->ptr->Time();
const auto px2 = ( t2 - m_vd.zvStart ) * pxns;
if( px2 - px1 > MinVisSize ) break;
if( drawState != ns && px2 - px0 > MinVisSize && ns != LockState::Nothing ) break;
t1 = t2;
tx0 = px1;
px1 = px2;
next = n;
state = ns;
}
}
pxend = std::max( { px1, px0+MinVisSize, px0 + pxns * 0.5 } );
bool itemHovered = hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( pxend, double( w + 10 ) ), offset + ty + 1 ) );
if( itemHovered )
{
if( IsMouseClicked( 0 ) )
{
m_lockInfoWindow = v.first;
}
if( IsMouseClicked( 2 ) )
{
ZoomToRange( t0, t1 );
}
if( condensed > 1 )
{
ImGui::BeginTooltip();
TextFocused( "Multiple lock events:", RealToString( condensed ) );
ImGui::EndTooltip();
}
else
{
highlight.blocked = drawState == LockState::HasBlockingLock;
if( !highlight.blocked )
{
highlight.id = v.first;
highlight.begin = t0;
highlight.end = t1;
highlight.thread = thread;
highlight.blocked = false;
}
else
{
auto b = vbegin;
while( b != tl.begin() )
{
if( b->lockingThread != vbegin->lockingThread )
{
break;
}
b--;
}
b++;
highlight.begin = b->ptr->Time();
auto e = next;
while( e != tl.end() )
{
if( e->lockingThread != next->lockingThread )
{
highlight.id = v.first;
highlight.end = e->ptr->Time();
highlight.thread = thread;
break;
}
e++;
}
}
ImGui::BeginTooltip();
if( v.second->customName.Active() )
{
ImGui::Text( "Lock #%" PRIu32 ": %s", v.first, m_worker.GetString( v.second->customName ) );
}
else
{
ImGui::Text( "Lock #%" PRIu32 ": %s", v.first, m_worker.GetString( srcloc.function ) );
}
ImGui::Separator();
ImGui::TextUnformatted( LocationToString( m_worker.GetString( srcloc.file ), srcloc.line ) );
TextFocused( "Time:", TimeToString( t1 - t0 ) );
ImGui::Separator();
int16_t markloc = 0;
auto it = vbegin;
for(;;)
{
if( it->ptr->thread == thread )
{
if( ( it->lockingThread == thread || IsThreadWaiting( it->waitList, threadBit ) ) && it->ptr->SrcLoc() != 0 )
{
markloc = it->ptr->SrcLoc();
break;
}
}
if( it == tl.begin() ) break;
--it;
}
if( markloc != 0 )
{
const auto& marklocdata = m_worker.GetSourceLocation( markloc );
ImGui::TextUnformatted( "Lock event location:" );
ImGui::TextUnformatted( m_worker.GetString( marklocdata.function ) );
ImGui::TextUnformatted( LocationToString( m_worker.GetString( marklocdata.file ), marklocdata.line ) );
ImGui::Separator();
}
if( lockmap.type == LockType::Lockable )
{
switch( drawState )
{
case LockState::HasLock:
if( vbegin->lockCount == 1 )
{
ImGui::Text( "Thread \"%s\" has lock. No other threads are waiting.", m_worker.GetThreadName( tid ) );
}
else
{
ImGui::Text( "Thread \"%s\" has %i locks. No other threads are waiting.", m_worker.GetThreadName( tid ), vbegin->lockCount );
}
if( vbegin->waitList != 0 )
{
assert( !AreOtherWaiting( next->waitList, threadBit ) );
ImGui::TextUnformatted( "Recursive lock acquire in thread." );
}
break;
case LockState::HasBlockingLock:
{
if( vbegin->lockCount == 1 )
{
ImGui::Text( "Thread \"%s\" has lock. Blocked threads (%" PRIu64 "):", m_worker.GetThreadName( tid ), TracyCountBits( vbegin->waitList ) );
}
else
{
ImGui::Text( "Thread \"%s\" has %i locks. Blocked threads (%" PRIu64 "):", m_worker.GetThreadName( tid ), vbegin->lockCount, TracyCountBits( vbegin->waitList ) );
}
auto waitList = vbegin->waitList;
int t = 0;
ImGui::Indent( ty );
while( waitList != 0 )
{
if( waitList & 0x1 )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[t] ) );
}
waitList >>= 1;
t++;
}
ImGui::Unindent( ty );
break;
}
case LockState::WaitLock:
{
if( vbegin->lockCount > 0 )
{
ImGui::Text( "Thread \"%s\" is blocked by other thread:", m_worker.GetThreadName( tid ) );
}
else
{
ImGui::Text( "Thread \"%s\" waits to obtain lock after release by thread:", m_worker.GetThreadName( tid ) );
}
ImGui::Indent( ty );
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[vbegin->lockingThread] ) );
ImGui::Unindent( ty );
break;
}
default:
assert( false );
break;
}
}
else
{
const auto ptr = (const LockEventShared*)(const LockEvent*)vbegin->ptr;
switch( drawState )
{
case LockState::HasLock:
assert( vbegin->waitList == 0 );
if( ptr->sharedList == 0 )
{
assert( vbegin->lockCount == 1 );
ImGui::Text( "Thread \"%s\" has lock. No other threads are waiting.", m_worker.GetThreadName( tid ) );
}
else if( TracyCountBits( ptr->sharedList ) == 1 )
{
ImGui::Text( "Thread \"%s\" has a sole shared lock. No other threads are waiting.", m_worker.GetThreadName( tid ) );
}
else
{
ImGui::Text( "Thread \"%s\" has shared lock. No other threads are waiting.", m_worker.GetThreadName( tid ) );
ImGui::Text( "Threads sharing the lock (%" PRIu64 "):", TracyCountBits( ptr->sharedList ) - 1 );
auto sharedList = ptr->sharedList;
int t = 0;
ImGui::Indent( ty );
while( sharedList != 0 )
{
if( sharedList & 0x1 && t != thread )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[t] ) );
}
sharedList >>= 1;
t++;
}
ImGui::Unindent( ty );
}
break;
case LockState::HasBlockingLock:
{
if( ptr->sharedList == 0 )
{
assert( vbegin->lockCount == 1 );
ImGui::Text( "Thread \"%s\" has lock. Blocked threads (%" PRIu64 "):", m_worker.GetThreadName( tid ), TracyCountBits( vbegin->waitList ) + TracyCountBits( ptr->waitShared ) );
}
else if( TracyCountBits( ptr->sharedList ) == 1 )
{
ImGui::Text( "Thread \"%s\" has a sole shared lock. Blocked threads (%" PRIu64 "):", m_worker.GetThreadName( tid ), TracyCountBits( vbegin->waitList ) + TracyCountBits( ptr->waitShared ) );
}
else
{
ImGui::Text( "Thread \"%s\" has shared lock.", m_worker.GetThreadName( tid ) );
ImGui::Text( "Threads sharing the lock (%" PRIu64 "):", TracyCountBits( ptr->sharedList ) - 1 );
auto sharedList = ptr->sharedList;
int t = 0;
ImGui::Indent( ty );
while( sharedList != 0 )
{
if( sharedList & 0x1 && t != thread )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[t] ) );
}
sharedList >>= 1;
t++;
}
ImGui::Unindent( ty );
ImGui::Text( "Blocked threads (%" PRIu64 "):", TracyCountBits( vbegin->waitList ) + TracyCountBits( ptr->waitShared ) );
}
auto waitList = vbegin->waitList;
int t = 0;
ImGui::Indent( ty );
while( waitList != 0 )
{
if( waitList & 0x1 )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[t] ) );
}
waitList >>= 1;
t++;
}
auto waitShared = ptr->waitShared;
t = 0;
while( waitShared != 0 )
{
if( waitShared & 0x1 )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[t] ) );
}
waitShared >>= 1;
t++;
}
ImGui::Unindent( ty );
break;
}
case LockState::WaitLock:
{
assert( vbegin->lockCount == 0 || vbegin->lockCount == 1 );
if( vbegin->lockCount != 0 || ptr->sharedList != 0 )
{
ImGui::Text( "Thread \"%s\" is blocked by other threads (%" PRIu64 "):", m_worker.GetThreadName( tid ), vbegin->lockCount + TracyCountBits( ptr->sharedList ) );
}
else
{
ImGui::Text( "Thread \"%s\" waits to obtain lock after release by thread:", m_worker.GetThreadName( tid ) );
}
ImGui::Indent( ty );
if( vbegin->lockCount != 0 )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[vbegin->lockingThread] ) );
}
auto sharedList = ptr->sharedList;
int t = 0;
while( sharedList != 0 )
{
if( sharedList & 0x1 )
{
ImGui::Text( "\"%s\"", m_worker.GetThreadName( lockmap.threadList[t] ) );
}
sharedList >>= 1;
t++;
}
ImGui::Unindent( ty );
break;
}
default:
assert( false );
break;
}
}
ImGui::EndTooltip();
}
}
const auto cfilled = drawState == LockState::HasLock ? 0xFF228A22 : ( drawState == LockState::HasBlockingLock ? 0xFF228A8A : 0xFF2222BD );
draw->AddRectFilled( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( pxend, double( w + 10 ) ), offset + ty ), cfilled );
if( m_lockHighlight.thread != thread && ( drawState == LockState::HasBlockingLock ) != m_lockHighlight.blocked && next != tl.end() && m_lockHighlight.id == int64_t( v.first ) && m_lockHighlight.begin <= vbegin->ptr->Time() && m_lockHighlight.end >= next->ptr->Time() )
{
const auto t = uint8_t( ( sin( std::chrono::duration_cast<std::chrono::milliseconds>( std::chrono::system_clock::now().time_since_epoch() ).count() * 0.01 ) * 0.5 + 0.5 ) * 255 );
draw->AddRect( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( pxend, double( w + 10 ) ), offset + ty ), 0x00FFFFFF | ( t << 24 ), 0.f, -1, 2.f );
}
else if( condensed == 0 )
{
const auto coutline = drawState == LockState::HasLock ? 0xFF3BA33B : ( drawState == LockState::HasBlockingLock ? 0xFF3BA3A3 : 0xFF3B3BD6 );
draw->AddRect( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( pxend, double( w + 10 ) ), offset + ty ), coutline );
}
else if( condensed > 1 )
{
DrawZigZag( draw, wpos + ImVec2( 0, offset + ty05 ), px0, pxend, ty025, DarkenColor( cfilled ) );
}
const auto rx0 = ( t0 - m_vd.zvStart ) * pxns;
if( dsz >= MinVisSize )
{
draw->AddRectFilled( wpos + ImVec2( rx0, offset ), wpos + ImVec2( std::min( rx0+dsz, px1 ), offset + ty ), 0x882222DD );
}
if( rsz >= MinVisSize )
{
DrawLine( draw, dpos + ImVec2( rx0 + rsz, offset + ty05 ), dpos + ImVec2( rx0 - rsz, offset + ty05 ), 0xAAFFFFFF );
DrawLine( draw, dpos + ImVec2( rx0 + rsz, offset + ty025 ), dpos + ImVec2( rx0 + rsz, offset + ty075 ), 0xAAFFFFFF );
DrawLine( draw, dpos + ImVec2( rx0 - rsz, offset + ty025 ), dpos + ImVec2( rx0 - rsz, offset + ty075 ), 0xAAFFFFFF );
DrawLine( draw, dpos + ImVec2( px1 + rsz, offset + ty05 ), dpos + ImVec2( px1 - rsz, offset + ty05 ), 0xAAFFFFFF );
DrawLine( draw, dpos + ImVec2( px1 + rsz, offset + ty025 ), dpos + ImVec2( px1 + rsz, offset + ty075 ), 0xAAFFFFFF );
DrawLine( draw, dpos + ImVec2( px1 - rsz, offset + ty025 ), dpos + ImVec2( px1 - rsz, offset + ty075 ), 0xAAFFFFFF );
}
vbegin = next;
}
if( drawn || m_lockInfoWindow == v.first )
{
if( m_lockInfoWindow == v.first )
{
draw->AddRectFilled( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty ), 0x2288DD88 );
draw->AddRect( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty ), 0x4488DD88 );
}
else if( m_lockHoverHighlight == v.first )
{
draw->AddRectFilled( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty ), 0x228888DD );
draw->AddRect( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + ty ), 0x448888DD );
}
DrawLockHeader( v.first, lockmap, srcloc, hover, draw, wpos, w, ty, offset, it->second );
cnt++;
}
}
else
{
while( vbegin < vend && ( state == LockState::Nothing || ( m_vd.onlyContendedLocks && state == LockState::HasLock ) ) )
{
vbegin = GetNextLockFunc( vbegin, vend, state, threadBit );
}
if( vbegin < vend ) cnt++;
}
}
return cnt;
}
void View::DrawLockInfoWindow()
{
bool visible = true;
ImGui::Begin( "Lock info", &visible, ImGuiWindowFlags_AlwaysAutoResize );
if( !ImGui::GetCurrentWindowRead()->SkipItems )
{
auto it = m_worker.GetLockMap().find( m_lockInfoWindow );
assert( it != m_worker.GetLockMap().end() );
const auto& lock = *it->second;
const auto& srcloc = m_worker.GetSourceLocation( lock.srcloc );
auto fileName = m_worker.GetString( srcloc.file );
int64_t timeAnnounce = lock.timeAnnounce;
int64_t timeTerminate = lock.timeTerminate;
if( !lock.timeline.empty() )
{
if( timeAnnounce <= 0 )
{
timeAnnounce = lock.timeline.front().ptr->Time();
}
if( timeTerminate <= 0 )
{
timeTerminate = lock.timeline.back().ptr->Time();
}
}
bool waitState = false;
bool holdState = false;
int64_t waitStartTime = 0;
int64_t holdStartTime = 0;
int64_t waitTotalTime = 0;
int64_t holdTotalTime = 0;
uint32_t maxWaitingThreads = 0;
for( auto& v : lock.timeline )
{
if( holdState )
{
if( v.lockCount == 0 )
{
holdTotalTime += v.ptr->Time() - holdStartTime;
holdState = false;
}
}
else
{
if( v.lockCount != 0 )
{
holdStartTime = v.ptr->Time();
holdState = true;
}
}
if( waitState )
{
if( v.waitList == 0 )
{
waitTotalTime += v.ptr->Time() - waitStartTime;
waitState = false;
}
else
{
maxWaitingThreads = std::max<uint32_t>( maxWaitingThreads, TracyCountBits( v.waitList ) );
}
}
else
{
if( v.waitList != 0 )
{
waitStartTime = v.ptr->Time();
waitState = true;
maxWaitingThreads = std::max<uint32_t>( maxWaitingThreads, TracyCountBits( v.waitList ) );
}
}
}
ImGui::PushFont( m_bigFont );
if( lock.customName.Active() )
{
ImGui::Text( "Lock #%" PRIu32 ": %s", m_lockInfoWindow, m_worker.GetString( lock.customName ) );
}
else
{
ImGui::Text( "Lock #%" PRIu32 ": %s", m_lockInfoWindow, m_worker.GetString( srcloc.function ) );
}
ImGui::PopFont();
if( lock.customName.Active() )
{
TextFocused( "Name:", m_worker.GetString( srcloc.function ) );
}
TextDisabledUnformatted( "Location:" );
if( m_lockInfoAnim.Match( m_lockInfoWindow ) )
{
const auto time = m_lockInfoAnim.Time();
const auto indentVal = sin( time * 60.f ) * 10.f * time;
ImGui::SameLine( 0, ImGui::GetStyle().ItemSpacing.x + indentVal );
}
else
{
ImGui::SameLine();
}
ImGui::TextUnformatted( LocationToString( fileName, srcloc.line ) );
if( ImGui::IsItemClicked( 1 ) )
{
if( SourceFileValid( fileName, m_worker.GetCaptureTime(), *this, m_worker ) )
{
ViewSource( fileName, srcloc.line );
}
else
{
m_lockInfoAnim.Enable( m_lockInfoWindow, 0.5f );
}
}
ImGui::Separator();
switch( lock.type )
{
case LockType::Lockable:
TextFocused( "Type:", "lockable" );
break;
case LockType::SharedLockable:
TextFocused( "Type:", "shared lockable" );
break;
default:
assert( false );
break;
}
TextFocused( "Lock events:", RealToString( lock.timeline.size() ) );
ImGui::Separator();
const auto announce = timeAnnounce;
const auto terminate = timeTerminate;
const auto lifetime = timeTerminate - timeAnnounce;
const auto traceLen = m_worker.GetLastTime();
TextFocused( "Announce time:", TimeToString( announce ) );
TextFocused( "Terminate time:", TimeToString( terminate ) );
TextFocused( "Lifetime:", TimeToString( lifetime ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%.2f%% of trace time)", lifetime / double( traceLen ) * 100 );
ImGui::Separator();
TextFocused( "Lock hold time:", TimeToString( holdTotalTime ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%.2f%% of lock lifetime)", holdTotalTime / float( lifetime ) * 100.f );
TextFocused( "Lock wait time:", TimeToString( waitTotalTime ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%.2f%% of lock lifetime)", waitTotalTime / float( lifetime ) * 100.f );
TextFocused( "Max waiting threads:", RealToString( maxWaitingThreads ) );
ImGui::Separator();
const auto threadList = ImGui::TreeNode( "Thread list" );
ImGui::SameLine();
ImGui::TextDisabled( "(%zu)", lock.threadList.size() );
if( threadList )
{
for( const auto& t : lock.threadList )
{
SmallColorBox( GetThreadColor( t, 0 ) );
ImGui::SameLine();
ImGui::TextUnformatted( m_worker.GetThreadName( t ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%s)", RealToString( t ) );
}
ImGui::TreePop();
}
}
ImGui::End();
if( !visible ) m_lockInfoWindow = InvalidId;
}
}
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