Return to run.tar CVS log

Up to [Development] / xfs-cmds / xfstests

Make bench script output clearer for people reading the output first thing in the morning. ;)

#!/bin/sh
# 
# Produces a .tar file (if one doesn't exist as $TARFILE), then
# times how long it takes to untar it onto the current directory.
# 
TARFILE=${TARFILE:=/var/tmp/bench.tar.gz}

barf()
{
	echo $@ >2
	exit 1
}

new_tar()
{
	source="bin sbin lib"
	if [ ! -f $TARFILE ]; then
		( cd / && tar czf $TARFILE $source ) || barf "tar cz failed"
	fi
}

run_tar()
{
	# %U=user %S=system %E=elapsed
	mkdir ./tar || exit 1
	size=`ls -Llh $TARFILE | awk '{print $5}'`
	time=`/usr/bin/time -f '%U, %S, %E' tar xzf $TARFILE 2>&1`
	status=$?
	cd ..
	rm -fr ./tar
	[ $status -eq 0 ] || exit 1
	printf "%6s, %s\n" "$size" "$time"
}

if [ $# -gt 0 ]; then
	printf "%6s,%5s,%5s,%8s\n" sz usr sys real
	exit 0
fi
new_tar
run_tar