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#!/bin/bash
# Copyright 2011 George Danchev <danchev@spnet.net>
# Licensed under GNU GPL version 2 or later
set -e
not_in_releng_exit() {
printf "\nPlease execute the tests from releng directory.\n\n"
exit 1
}
# Include common bits
. inc/releng_getopts.inc || not_in_releng_exit
print_specific_help() {
cat << HLP
Specific options:
none yet.
Overview:
Test performance of print_size against various input tree.
Optionally compare with genisoimage and mkisofs.
HLP
}
if test "$SPECIFIC_HELP" = 1; then
print_specific_help
exit 0
fi
# Each test should decide whether or not it needs
# a xorriso binary to test, since some do compilations only.
if [ ! -x $RELENG_XORRISO ]; then
print_help
printf "\n${SELF}: -x absolute or relative path to binary to be run.\n\n"
exit 31
fi
# check data dir, if any and after checking -x xorriso
if [ -d "${GEN_DATA_DIR}" ]; then
printf "\n${SELF}: directory %s exists!" ${GEN_DATA_DIR}
printf "\n${SELF}: use '${SELF} -c' to remove.\n"
exit 8
else
mkdir "${GEN_DATA_DIR}"
fi
#
DIR_UPPER=32
FILE_UPPER=10
# All must be set at this point
# TODO: work out a smarter way to quickly generate different
# types of trees (long, deep, etc)
printf "\n${SELF}: Generating sample tree in ${GEN_DATA_DIR} :\n"
count=0
date
# Hopefully the for-loops are much faster than while-loops with arithmetics
# This needs 7/4*DIR_UPPER+FILE_UPPER (= 66) while-iterations
#
i1_list=
i1=0
o1=$(expr ${DIR_UPPER} / 4)
while test $i1 -lt $o1
do
i1_list="$i1_list $i1"
i1=$(expr $i1 + 1)
done
i2_list=
i2=0
o2=$(expr ${DIR_UPPER} / 2)
while test $i2 -lt $o2
do
i2_list="$i2_list $i2"
i2=$(expr $i2 + 1)
done
i3_list=
i3=0
while test $i3 -lt ${DIR_UPPER}
do
i3_list="$i3_list $i3"
i3=$(expr $i3 + 1)
done
i_file_list=
i_file=0
while test $i_file -lt ${FILE_UPPER}
do
i_file_list="$i_file_list $i_file"
i_file=$(expr $i_file + 1)
done
#
# plus 1/8*DIR_UPPER*DIR_UPPER*DIR_UPPER*FILE_UPPER (= 40960) for-iterations
#
for i1 in $i1_list
do
for i2 in $i2_list
do
for i3 in $i3_list
do
mkdir -p ${GEN_DATA_DIR}/DirOne$i1/DirTwo$i2/DirThree$i3
for i_file in $i_file_list
do
echo -n \
> ${GEN_DATA_DIR}/DirOne$i1/DirTwo$i2/DirThree$i3/File_${i_file}
count=$((count + 1))
done
done
done
echo " ${count} files created ..."
done
printf "done.\n"
date
du -s "${GEN_DATA_DIR}"
printf "\n${SELF}: Performing several print size runs to neutralize possible disk cache impact.\n"
# run xorriso
if [ -x ${RELENG_XORRISO} ]; then
for run in 1 2 3; do
printf "\n${SELF}: Running ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}. Trial: ${run}.\n"
time ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}
done
fi
# try to run genisoimage
if which genisoimage >/dev/null 2>&1; then
RELENG_GENISOIMAGE=`which genisoimage`
for run in 1 2 3; do
printf "\n${SELF}: Running ${RELENG_GENISOIMAGE} -quiet -print-size ${GEN_DATA_DIR}. Trial: ${run}.\n"
time ${RELENG_GENISOIMAGE} -quiet -print-size ${GEN_DATA_DIR}
done
fi
# try to run mkisofs
if which mkisofs >/dev/null 2>&1; then
RELENG_MKISOFS=`which mkisofs`
for run in 1 2 3; do
printf "\n${SELF}: Running ${RELENG_MKISOFS} -quiet -print-size ${GEN_DATA_DIR}. Trial: ${run}.\n"
time ${RELENG_MKISOFS} -quiet -print-size ${GEN_DATA_DIR}
done
fi
#
cleanup
#
exit 0