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

NAME
       function::cpuclockns - Number of nanoseconds on the given cpu's clock

SYNOPSIS
           cpuclockns: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::timestampmonotonic(3stap)



SystemTap Tapset Reference         June 2018       FUNCTION::CPUCLOCK(3stap)