3 cputime, times, cycles \- cpu time in this process and children
17 void cycles(vlong *cyclep)
24 with the number of milliseconds spent in user code, system calls,
25 child processes in user code, and child processes in system calls.
27 returns the sum of those same times, converted to seconds.
29 returns the elapsed real time, in milliseconds, that the process has been running.
33 opening that file when they are first called.
36 reads the processor's timestamp counter of cycles since reset,
37 if any, and stores it via
39 Currently supported architectures are
50 .B /sys/src/libc/*/cycles.[cs]
57 processors starting with the Pentium have timestamp counters;
60 on earlier processors may execute an illegal instruction.