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< a name = "l1" > < / a > < span class = cF0 > Intel/AMD have an instruction that returns the num of CPU cycles since boot. This is not a steady, calibrated real time
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< a name = "l2" > < / a > value. ZealOS measures it and you can convert with < / span > < a href = "https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l696" > < span class = cF4 > counts.time_stamp_freq< / span > < / a > < span class = cF0 > , a value continuously calibrated from other counts.< / span > < / pre > < / body >
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