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Compress external threads. Saves 4 bytes per ctx switch.

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Dropped support for loading context switch data in previous versions of
traces.
This commit is contained in:
Bartosz Taudul
2019-08-19 23:09:58 +02:00
parent 21e7a4bb16
commit 1712431dfd
5 changed files with 24 additions and 38 deletions
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server/TracyEvent.hpp
+8 -13
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@@ -261,20 +261,15 @@ enum { ContextSwitchDataSize = sizeof( ContextSwitchData ) };
// might come after context switch data).
struct ContextSwitchCpu
{
int64_t Start() const { return int64_t( _start_thread1 ) >> 16; }
void SetStart( int64_t start ) { assert( start < ( 1ll << 47 ) ); _start_thread1 = ( _start_thread1 & 0xFFFF ) | uint64_t( start << 16 ); }
int64_t End() const { return int64_t( _end_thread2 ) >> 16; }
void SetEnd( int64_t end ) { assert( end < ( 1ll << 47 ) ); _end_thread2 = ( _end_thread2 & 0xFFFF ) | uint64_t( end << 16 ); }
uint64_t Thread() const { return uint64_t( uint16_t( _start_thread1 ) ) | ( uint64_t( uint16_t( _end_thread2 ) ) << 16 ) | ( uint64_t( _thread3 ) << 32 ); }
void SetThread( uint64_t thread ) {
_start_thread1 = ( _start_thread1 & 0xFFFFFFFFFFFF0000 ) | uint16_t( thread );
_end_thread2 = ( _end_thread2 & 0xFFFFFFFFFFFF0000 ) | uint16_t( thread >> 16 );
_thread3 = uint32_t( thread >> 32 );
}
int64_t Start() const { return int64_t( _start_thread ) >> 16; }
void SetStart( int64_t start ) { assert( start < ( 1ll << 47 ) ); _start_thread = ( _start_thread & 0xFFFF ) | uint64_t( start << 16 ); }
int64_t End() const { return _end; }
void SetEnd( int64_t end ) { assert( end < ( 1ll << 47 ) ); _end = end; }
uint16_t Thread() const { return uint16_t( _start_thread ); }
void SetThread( uint16_t thread ) { _start_thread = ( _start_thread & 0xFFFFFFFFFFFF0000 ) | thread; }
uint64_t _start_thread1;
uint64_t _end_thread2;
uint32_t _thread3;
uint64_t _start_thread;
uint64_t _end;
};
enum { ContextSwitchCpuSize = sizeof( ContextSwitchCpu ) };