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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/plan9-4e/man2/cputime.2 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/plan9-4e/man2/cputime.2')
| -rw-r--r-- | static/plan9-4e/man2/cputime.2 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/static/plan9-4e/man2/cputime.2 b/static/plan9-4e/man2/cputime.2 new file mode 100644 index 00000000..5cb64f6e --- /dev/null +++ b/static/plan9-4e/man2/cputime.2 @@ -0,0 +1,34 @@ +.TH CPUTIME 2 +.SH NAME +cputime, times \- cpu time in this process and children +.SH SYNOPSIS +.B #include <u.h> +.br +.B #include <libc.h> +.PP +.ta \w'\fLdouble 'u +.B +int times(long t[4]) +.PP +.B +double cputime(void) +.SH DESCRIPTION +If +.I t +is non-null, +.I times +fills it in +with the number of milliseconds spent in user code, system calls, +child processes in user code, and child processes in system calls. +.I Cputime +returns the sum of those same times, converted to seconds. +.I Times +returns the elapsed real time, in milliseconds, that the process has been running. +.PP +These functions read +.BR /dev/cputime , +opening that file when they are first called. +.SH SOURCE +.B /sys/src/libc/9sys +.SH SEE ALSO +.IR cons (3) |