table of contents
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 |