Section: Timestamp Functions (3stap)
Updated: June 2015
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function::cpu_clock_ns - Number of nanoseconds on the given cpu's clock
Which processor's clock to read
This function returns the number of nanoseconds on the given cpu's clock. This is always monotonic comparing on the same cpu, but may have some drift between cpus (within about a jiffy).
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Time: 14:12:07 GMT, June 19, 2015