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TIMEX(1)							      TIMEX(1)

NAME    [Toc]    [Back]

     timex - time a command; report process data and system activity

SYNOPSIS    [Toc]    [Back]

     timex  [options] command

DESCRIPTION    [Toc]    [Back]

     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 are:

     -p	 List process accounting records for command and all its children.
	 Suboptions f, h, k, m,	r, and t modify	the data items reported.  The
	 options are as	follows:

	       -f    Print the fork/exec flag and system exit status columns
		     in	the output.

	       -h    Instead of	mean memory size, show the fraction of total
		     available CPU time	consumed 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.

	       -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.

     -o	 Report	the total number of blocks read	or written and total
	 characters transferred	by command and all its children.

     -s	 Report	total system activity (not just	that due to command) that
	 occurred during the execution interval	of command.  All the data
	 items listed in sar(1)	are reported.

SEE ALSO    [Toc]    [Back]


									Page 1

TIMEX(1)							      TIMEX(1)

     Process records associated	with command are selected from the accounting
     file /var/adm/pacct by inference, since process genealogy is not
     available.	 Background processes having the same user-id, terminal-id,
     and execution time	window will be spuriously included.

EXAMPLES    [Toc]    [Back]

     A simple example:

	  timex	-ops sleep 60

     A terminal	session	of arbitrary complexity	can be measured	by timing a

	  timex	-opskmt	sh

	       session commands

									PPPPaaaaggggeeee 2222
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