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Submitted by:
lvo |
coolcommand
how to reports the elapsed time, user time, and system execution time for a command in IBM AIX |
Description
The timex command reports, in seconds, the elapsed time, user time, and system execution time for a command. With specified flags, the timex command lists or summarizes process accounting data for a command and all of its children. Command is the name of any executable file on the system.
# timex [ -o ] [ -p ] [ -s ] Command
where :
-o : reports the total number of blocks read or written and total characters transferred by a command and all its children.
-p ; lists process accounting records for a command and all its children. The number of blocks read or written and the number of characters transferred are reported. The -p flag takes the f, h, k, m, r, and t arguments defined in the acctcom command to modify other data items.
-f : print the fork/ exec flag and system exit status columns in the output.
-h : instead of mean memory size, shows the fraction of total available CPU time consumed by the process (hogfactor).
-k : instead of memory size, shows total kcore minutes (memory measurement in kilobyte segments used per minute of run time).
-m : shows mean main-memory size. This is the default. The -h flag or -k flag turn off the -m flag.
-r : shows CPU factor.
-t : shows separate system and user CPU times.
-s : reports total system activity during the execution of the command. All the data items listed in the sar command are reported.
Note: Accounting must be turned on to use the -o or -p flags. |
Example
timex -o ls |
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Friday May 24, 2013
