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 ALSO tapset::timestamp_monotonic(3stap)

SystemTap Tapset Reference December 2016 FUNCTION::CPU_CLOCK_(3stap)