Function GetCurrentTimestamp

IntelPresentMon/CommonUtilities/Qpc.cpp:9–16

namespace pmon::util
{
	int64_t GetCurrentTimestamp() noexcept
	{
		LARGE_INTEGER timestamp;
		if (!QueryPerformanceCounter(&timestamp)) {
			pmlog_error("qpc failed").hr().first(20);
		}
		return (int64_t)timestamp.QuadPart;
	}
	double GetTimestampFrequencyDouble() noexcept
	{
		return double(GetTimestampFrequencyUint64());