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Diffstat (limited to 'Utilities/cmlibarchive/contrib/psota-benchmark/tcp.sh')
| -rwxr-xr-x | Utilities/cmlibarchive/contrib/psota-benchmark/tcp.sh | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/contrib/psota-benchmark/tcp.sh b/Utilities/cmlibarchive/contrib/psota-benchmark/tcp.sh new file mode 100755 index 0000000..6c0e4b5 --- /dev/null +++ b/Utilities/cmlibarchive/contrib/psota-benchmark/tcp.sh @@ -0,0 +1,104 @@ +#!/bin/sh +# tar comparision program +# 2007-10-25 Jan Psota + +n=3 # number of repetitions +TAR=(bsdtar gnutar star) # TApeArchivers to compare +OPT=("" "--seek" "-no-fsync") +pax="--format=pax" # comment out for defaults +OPN=(create list extract compare) # operations +version="2007-10-25" +TIMEFORMAT=$'%R\t%U\t%S\t%P' +LC_ALL=C + +test $# -ge 2 || { + echo -e "usage:\t$0 source_dir where_to_place_archive +[where_to_extract_it] + +TCP, version $version +TCP stands for Tar Comparision Program here. +It currently compares: BSD tar (bsdtar), GNU tar (gnutar) and star in archive +creation, listing, extraction and archive-to-extracted comparision. +Tcp prints out best time of n=$n repetitions. + +Tcp creates temporary archive named tcp.tar with $pax and some native +(--seek/-no-fsync) options and extracts it to [\$3]/tcptmp/. +If unset, third argument defaults to [\$2]. +After normal exit tcp removes tarball and extracted files. +Tcp does not check filesystems destination directories are on for free space, +so make sure there is enough space (a bit more than source_dir uses) for both: +archive and extracted files. +Do not use white space in arguments. + Jan Psota, $version" + exit 0 +} +src=$1 +dst=$2/tcp.tar +dst_path=${3:-$2}/tcptmp +test -e $dst -o -e /tmp/tcp \ + && { echo "$dst or /tmp/tcp exists, exiting"; exit 1; } +mkdir $dst_path || exit 2 + +use_times () +{ + awk -F"\t" -vN=$n -vL="`du -k $dst`" -vOFS="\t" -vORS="" ' + { if (NF==4) { printf "\t%s\t%10.1d KB/s\n", $0, ($1+0>0 ? +(L+0)/($1+0) : 0) } }' \ + /tmp/tcp | sort | head -1 + > /tmp/tcp +} + +test -d $src || { echo "'$src' is not a directory"; exit 3; } + +# system information: type, release, memory, cpu(s), compiler and flags +echo -e "TCP, version $version\n"`uname -sr`" / "`head -1 /etc/*-release` +free -m | awk '/^Mem/ { printf "%dMB of memory, ", $2 }' +test -e /proc/cpuinfo \ + && awk -F: '/name|cache size|MHz|mips/ { if (!a) b=b $2 } + /^$/ { a++ } END { print a" x"b" bmips" }' /proc/cpuinfo +test -e /etc/gentoo-release \ + && gcc --version | head -1 && grep ^CFLAGS /etc/make.conf + +# tar versions +echo +for tar in [EMAIL PROTECTED]; do echo -ne "$tar:\t"; $tar --version | head -1; +done + +echo -e "\nbest time of $n repetitions,\n"\ +" src=$src, "\ +`du -sh $src | awk '{print $1}'`" in "`find $src | wc -l`" files, "\ +"avg "$((`du -sk $src | awk '{print $1}'`/`find $src -type f | wc +-l`))"KB/file,\n"\ +" archive=$dst, extract to $dst_path" + +echo -e "program\toperation\treal\tuser\tsystem\t%CPU\t speed" +> /tmp/tcp +let op_num=0 +for op in "cf $dst $pax -C $src ." "tf $dst" "xf $dst -C $dst_path" \ + "f $dst -C $dst_path --diff"; do + let tar_num=0 + for tar in [EMAIL PROTECTED]; do + echo -en "$tar\t${OPN[op_num]}\t" + for ((i=1; i<=$n; i++)); do + echo $op | grep -q ^cf && rm -f $dst + echo $op | grep -q ^xf && + { chmod -R u+w $dst_path + rm -rf $dst_path; mkdir $dst_path; } + sync + if echo $op | grep -q ^f; then # op == compare + time $tar $op ${OPT[$tar_num]} > /dev/null + else # op in (create | list | extract) + time $tar $op ${OPT[$tar_num]} > /dev/null \ + || break 3 + fi 2>> /tmp/tcp + done + use_times + let tar_num++ + done + let op_num++ + echo +done +rm -rf $dst_path $dst +echo +cat /tmp/tcp +rm -f /tmp/tcp |