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FUNCTION::CPU_CLOCK_(3stap) Timestamp Functions FUNCTION::CPU_CLOCK_(3stap)

NAME

function::cpu_clock_ns - Number of nanoseconds on the given cpu´s clock

SYNOPSIS


cpu_clock_ns:long(cpu:long)

ARGUMENTS

cpu

Which processor´s clock to read

DESCRIPTION

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).

SEE ALSO0

tapset::timestamp_monotonic(3stap)

June 2018 SystemTap Tapset Reference