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Allow skipping invariant TSC check.
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@ -286,7 +286,14 @@ static int64_t SetupHwTimer()
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CpuId( regs, 0x80000001 );
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if( !( regs[3] & ( 1 << 27 ) ) ) InitFailure( "CPU doesn't support RDTSCP instruction." );
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CpuId( regs, 0x80000007 );
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if( !( regs[3] & ( 1 << 8 ) ) ) InitFailure( "CPU doesn't support invariant TSC." );
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if( !( regs[3] & ( 1 << 8 ) ) )
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{
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const char* noCheck = getenv( "TRACY_NO_INVARIANT_CHECK" );
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if( !noCheck || noCheck[0] != '1' )
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{
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InitFailure( "CPU doesn't support invariant TSC.\nDefine TRACY_NO_INVARIANT_CHECK=1 to ignore this error, *if you know what you are doing*." );
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}
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}
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return Profiler::GetTime();
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}
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