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

NAME
       function::getcycles - Processor cycle count

SYNOPSIS
           getcycles:long()

ARGUMENTS
       None

DESCRIPTION
       This function returns the processor cycle counter value if available,
       else it returns zero. The cycle counter is free running and
       unsynchronized on each processor. Thus, the order of events cannot
       determined by comparing the results of the getcycles function on
       different processors.

SEE ALSO
       tapset::timestamp(3stap)



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