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lines changed Original file line number Diff line number Diff line change
@@ -86,6 +86,12 @@ static int64_t get_cpu_frequency()
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if (QueryPerformanceFrequency(&ccf))
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{
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frequency = ccf.QuadPart / 1000000; // counts per microsecond
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if (frequency == 0)
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{
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LOGC(inlog.Warn, log << "Win QPC frequency of " << ccf.QuadPart
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<< " counts/s is below the required 1 us accuracy. Please consider using C++11 timing (-DENABLE_STDCXX_SYNC=ON) instead.");
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frequency = 1; // set back to 1 to avoid division by zero.
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}
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}
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else
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{
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