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timex


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.



              -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)


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.










Man pages from Solaris 10 Update 8. See docs.sun.com and www.oracle.com for further documentation and Solaris information.
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