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|
#!/bin/bash
# "man 1 time" for details
export TIME="%U seconds"
add()
{
if ! dc -e ""; then
echo you do not have dc, so I cannot add these numbers...
exit 1
fi
n=0
tot=0
while read n; do
tot=`dc -e "$n $tot + pop" 2> /dev/null`
done
echo $tot seconds
}
# gets kernel pattern out of a file
extract()
{
if [ -r $1 ] && [ -f $1 ]; then
cat $1 | grep -v ^$ | grep -v ^# | tail -1
else
echo > /dev/stderr
echo Arg is not a readable file > /dev/stderr
exit 1
fi
}
if [ ! $3 ] || [ $2 == "-h" ] || [ $2 == "--help" ]; then
echo
echo Syntax: ./timeit.sh patternfile kernel\|userspace all\|print\|real [data_files]
echo
echo \"kernel\" uses the kernel pattern and library
echo \"userspace\" uses userspace pattern and library
echo \"all\" tests against all characters,
echo \"print\" only against printable ones,
echo \"real\" against some real data.
echo In \"real\" mode, if data files are specified, they are used,
echo otherwise, all files in ./data/ are used.
echo
exit 1
fi
echo
if [ $2 == "kernel" ]; then
echo Using the Henry Spencer \(kernel\) regex library.
speedprog=./test_speed-kernel
elif [ $2 == "userspace" ]; then
echo Using the GNU \(userspace\) library.
speedprog=./test_speed-userspace
else
echo Didn\'t understand what library you wanted.
echo Please give either \"kernel\" or \"userspace\".
exit 1
fi
if [ -x ./randchars ] && [ -x ./randprintable ] && [ -x $speedprog ]; then
true
else
echo Can\'t find randchars, randprintable or test_speed.
echo They should be in this directory. Did you say \"make\"?
exit 1
fi
echo Timing $1
if [ $3 == "all" ]; then
echo Using all characters
if [ $2 == "kernel" ]; then
if ! ./randchars | time $speedprog "`extract $1`" verbose; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
else
if ! ./randchars | time $speedprog -f "$1" -v; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
fi
elif [ $3 == "print" ]; then
echo Using only printable characters
if [ $2 == "kernel" ]; then
if ! ./randprintable | time $speedprog "`extract $1`" verbose; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
else
if ! ./randprintable | time $speedprog -f "$1" -v; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
fi
elif [ $3 == "real" ]; then
echo Using some real data
# if this is uncommented, you can exit all at once with ctrl-C
trap "rm tmp.$$; echo; exit 1" 2
if [ $4 ]; then
for f in $@; do
if [ -r $f ] && [ $f != $1 ] && [ $f != $2 ] && [ $f != $3 ]; then
printf $f\\t
#echo `extract $1`
if [ $2 == "kernel" ]; then
if ! cat $f | time $speedprog "`extract $1`" 2> /dev/stdout | tee -a tmp.$$; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
else
if ! cat $f | time $speedprog -f "$1" 2> /dev/stdout | tee -a tmp.$$; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
fi
fi
done
else
for f in data/*; do
printf $f\\t
if [ $2 == "kernel" ]; then
if ! cat $f | time $speedprog "`extract $1`" 2> /dev/stdout | tee -a tmp.$$; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
else
if ! cat $f | time $speedprog -f "$1" 2> /dev/stdout | tee -a tmp.$$; then
echo $speedprog failed. > /dev/stderr
exit 1
fi
fi
done
fi
printf Total:\
cat tmp.$$ | cut -d\ -f 2 | add
rm tmp.$$
else
echo Please specify \"all\", \"print\" or \"real\"> /dev/stderr
exit 1
fi
|
