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Document set time variables, and the format strings recognized.

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Based on the patch provided by Jonathan Perkins in PR 14465.
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wiz 2001-12-12 13:10:44 +00:00
parent f65f8ab0f2
commit 3fc2bda98b
1 changed files with 47 additions and 6 deletions
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53
bin/csh/csh.1
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@ -1,4 +1,4 @@
.\" $NetBSD: csh.1,v 1.31 2001/10/17 21:50:57 wiz Exp $
.\" $NetBSD: csh.1,v 1.32 2001/12/12 13:10:44 wiz Exp $
.\"
.\" Copyright (c) 1980, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
@ -2003,10 +2003,51 @@ Builtin commands that fail return exit status `1',
all other builtin commands set status to `0'.
.It Ic time
Controls automatic timing of commands.
If set, then any command that takes more than this many cpu seconds
will cause a line giving user, system, and real times and a utilization
percentage which is the ratio of user plus system times to real time
to be printed when it terminates.
This setting allows two parameters. The first specifies the CPU time
threshold at which reporting should be done for a process, and the optional
second specifies the output format. The following format strings are
available:
.Pp
.Bl -tag -width Ds -compact -offset indent
.It Li \&%c
Number of involuntary context switches.
.It Li \&%D
Average unshared data size.
.It Li \&%E
Elapsed (wall\-clock) time.
.It Li \&%F
Page faults.
.It Li \&%I
Filesystem blocks in.
.It Li \&%K
Average total data memory used.
.It Li \&%k
Number of signals received.
.It Li \&%M
Maximum Resident Set Size.
.It Li \&%O
Filesystem blocks out.
.It Li \&%P
Total percent time spent running.
.It Li \&%R
Page reclaims.
.It Li \&%r
Socket messages received.
.It Li \&%S
Total system CPU time used.
.It Li \&%s
Socket messages sent.
.It Li \&%U
Total user CPU time used.
.It Li \&%W
Number of swaps.
.It Li \&%w
Number of voluntary context switches (waits).
.It Li \&%X
Average shared text size.
.El
.Pp
The default summary is "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww"
.It Ic verbose
Set by the
.Fl v
@ -2141,7 +2182,7 @@ substitutions on a single line to 20.
.Xr tty 4 ,
.Xr a.out 5 ,
.Xr environ 7 ,
.Xr sysctl 8 ,
.Xr sysctl 8
.br
.Em "An introduction to the C shell"
.Sh HISTORY