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User Commands timex(1)
NAME
timex - time a command; report process data and system
activity
SYNOPSIS
timex [-o] [ -p [-fhkmrt]] [-s] command
DESCRIPTION
The given command is executed; the elapsed time, user time
and system time spent in execution are reported in seconds.
Optionally, process accounting data for the command and all
its children can be listed or summarized, and total system
activity during the execution interval can be reported.
The output of timex is written on standard error.
OPTIONS
The following options are supported:
-o Report the total number of blocks read or written
and total characters transferred by command and
all its children. This option works only if the
process accounting software is installed.
-p List process accounting records for command and all
its children. This option works only if the process
accounting software is installed. Suboptions f, h,
k, m, r, and t modify the data items reported. The
options are as follows:
-f Print the fork(2)/ exec(2) flag and system
exit status columns in the output.
-h Instead of mean memory size, show the
fraction of total available CPU time con-
sumed by the process during its execution.
This ``hog factor'' is computed as (total
CPU time)/(elapsed time).
-k Instead of memory size, show total kcore-
minutes.
SunOS 5.10 Last change: 14 Sep 1992 1
User Commands timex(1)
-m Show mean core size (the default).
-r Show CPU factor (user time/(system-time +
user-time)).
-t Show separate system and user CPU times.
The number of blocks read or written and
the number of characters transferred are
always reported.
-s Report total system activity (not just that due to
command) that occurred during the execution inter-
val of command. All the data items listed in
sar(1) are reported.
EXAMPLES
Example 1: Examples of timex.
A simple example:
example% timex -ops sleep 60
A terminal session of arbitrary complexity can be measured
by timing a sub-shell:
example% timex -opskmt sh
session commands
EOT
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | SUNWaccu |
|_____________________________|_____________________________|
SEE ALSO
sar(1), time(1), exec(2), fork(2), times(2), attributes( 5)
SunOS 5.10 Last change: 14 Sep 1992 2
User Commands timex(1)
NOTES
Process records associated with command are selected from
the accounting file /var/adm/pacct by inference, since pro-
cess genealogy is not available. Background processes having
the same user ID, terminal ID, and execution time window
will be spuriously included.
SunOS 5.10 Last change: 14 Sep 1992 3
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Wed Sep 12 11:25:33 GMT 2007
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