From: "Alfie Costa" <agcosta@gis.net>
To: mulinux@sunsite.auc.dk
Date: Wed, 23 Feb 2000 01:37:29 -0500
Subject: [mu TECH] benchmarking a shell script
Lines: 51

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On 18 Feb 00, at 9:15, Alfie Costa <mulinux@sunsite.auc.dk> wrote:

> Novice benchmarking question:  is there a timer command in mu that shows 
> how long something takes?  

If there is not, then the attached script works...

Usage: timeit command [various arguments...]
Outputs whatever command does, and the number in seconds of how long
command took to run.


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#!/bin/ash
# Sun Feb 20 07:50 2000 - A. Costa
# Time how long a command takes in seconds.
#Syntax

opt=$1

case Z$opt in
Z-d) set -x;shift;;     # debug mode...
Z-h|Z) echo "Usage : timeit [-h] command [args...]" ; exit ;;
*)
esac

# get start time.
# NOTE: `cat /proc/uptime` outputs two numbers like "123.45 125.67",
# so the sed stuff gets rid of all but the "123"
begintime=`cat /proc/uptime | sed 's/\..*$//'`
"$@"
endtime=`cat /proc/uptime | sed 's/\..*$//'`
expr $endtime - $begintime


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