int msecs(int prev)
{
	auto p2 = std::chrono::steady_clock::now();
	return (int)std::chrono::duration_cast<std::chrono::milliseconds>(p2.time_since_epoch()).count() - prev;
}

int64 nsecs(int64 prev = 0)
{
	auto p2 = std::chrono::high_resolution_clock::now();
	return std::chrono::duration_cast<std::chrono::nanoseconds>(p2.time_since_epoch()).count() - prev;
}


int64 steady_time(int64 prev = 0)
{
	auto p2 = std::chrono::steady_clock::now();
	return (int64)std::chrono::duration_cast<std::chrono::nanoseconds>(p2.time_since_epoch()).count() - prev;
}


CONSOLE_APP_MAIN
{
	int64 max_delay = 0;
	int64 av_delay = 0;
	constexpr int loops = 10000000;
	
	for (int i = 0; i < loops; i++){
	
		auto start = nsecs();
		auto ms = steady_time();
		while (steady_time(ms) == 0);
		auto duration = nsecs(start);
		max_delay = std::max(duration, max_delay);
		av_delay += duration;
	}
	RLOG("Max delay: " << max_delay << "ns");
	RLOG("Av delay: " << av_delay/loops << "ns");
}