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https://github.com/wolfpld/tracy.git
synced 2024-09-20 05:42:18 +00:00
Timestamp conversion might be temporarily unavailable.
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commit
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@ -90,7 +90,7 @@ public:
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int64_t ConvertTimeToTsc( int64_t timestamp ) const
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{
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assert( m_metadata->cap_user_time_zero );
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if( !m_metadata->cap_user_time_zero ) return 0;
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const auto time = timestamp - m_metadata->time_zero;
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const auto quot = time / m_metadata->time_mult;
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const auto rem = time % m_metadata->time_mult;
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@ -959,56 +959,58 @@ static void SetupSampling( int64_t& samplingPeriod )
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if( cnt > 0 )
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{
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auto trace = (uint64_t*)tracy_malloc( ( 1 + cnt ) * sizeof( uint64_t ) );
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s_ring[i].Read( trace+1, offset, sizeof( uint64_t ) * cnt );
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#if defined TRACY_HW_TIMER && ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
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t0 = s_ring[i].ConvertTimeToTsc( t0 );
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if( t0 != 0 )
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#endif
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{
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auto trace = (uint64_t*)tracy_malloc( ( 1 + cnt ) * sizeof( uint64_t ) );
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s_ring[i].Read( trace+1, offset, sizeof( uint64_t ) * cnt );
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#if defined __x86_64__ || defined _M_X64
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// remove non-canonical pointers
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do
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{
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const auto test = (int64_t)trace[cnt];
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const auto m1 = test >> 63;
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const auto m2 = test >> 47;
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if( m1 == m2 ) break;
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}
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while( --cnt > 0 );
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for( uint64_t j=1; j<cnt; j++ )
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{
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const auto test = (int64_t)trace[j];
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const auto m1 = test >> 63;
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const auto m2 = test >> 47;
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if( m1 != m2 ) trace[j] = 0;
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}
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#endif
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// skip kernel frames
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uint64_t j;
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for( j=0; j<cnt; j++ )
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{
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if( (int64_t)trace[j+1] >= 0 ) break;
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}
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if( j == cnt )
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{
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tracy_free( trace );
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}
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else
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{
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if( j > 0 )
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// remove non-canonical pointers
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do
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{
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cnt -= j;
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memmove( trace+1, trace+1+j, sizeof( uint64_t ) * cnt );
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const auto test = (int64_t)trace[cnt];
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const auto m1 = test >> 63;
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const auto m2 = test >> 47;
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if( m1 == m2 ) break;
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}
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while( --cnt > 0 );
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for( uint64_t j=1; j<cnt; j++ )
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{
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const auto test = (int64_t)trace[j];
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const auto m1 = test >> 63;
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const auto m2 = test >> 47;
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if( m1 != m2 ) trace[j] = 0;
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}
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memcpy( trace, &cnt, sizeof( uint64_t ) );
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#if defined TRACY_HW_TIMER && ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
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t0 = s_ring[i].ConvertTimeToTsc( t0 );
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#endif
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TracyLfqPrepare( QueueType::CallstackSample );
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MemWrite( &item->callstackSampleFat.time, t0 );
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MemWrite( &item->callstackSampleFat.thread, (uint64_t)tid );
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MemWrite( &item->callstackSampleFat.ptr, (uint64_t)trace );
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TracyLfqCommit;
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// skip kernel frames
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uint64_t j;
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for( j=0; j<cnt; j++ )
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{
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if( (int64_t)trace[j+1] >= 0 ) break;
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}
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if( j == cnt )
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{
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tracy_free( trace );
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}
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else
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{
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if( j > 0 )
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{
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cnt -= j;
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memmove( trace+1, trace+1+j, sizeof( uint64_t ) * cnt );
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}
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memcpy( trace, &cnt, sizeof( uint64_t ) );
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TracyLfqPrepare( QueueType::CallstackSample );
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MemWrite( &item->callstackSampleFat.time, t0 );
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MemWrite( &item->callstackSampleFat.thread, (uint64_t)tid );
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MemWrite( &item->callstackSampleFat.ptr, (uint64_t)trace );
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TracyLfqCommit;
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}
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}
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}
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}
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