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|
#!/usr/bin/bash
# This script can be invoked as follows:
#
# glibc-bench-compare [options] <BUILD> [BUILD]
#
# Options may be one of the following:
#
# -t The BUILD arguments are task ids and not a version-release string
# -a ARCH Do comparison for ARCH architecture
#
# If any of the above options are given, both BUILD arguments must be given.
# Otherwise, if only one BUILD is specified, then it is compared against the
# installed glibc.
# Silence the pushd/popd messages
pushd() {
command pushd "$@" > /dev/null 2>&1
}
popd() {
command popd "$@" > /dev/null 2>&1
}
# Clean up any downloaded files before we exit
trap "rm -rf /tmp/glibc-bench-compare.$BASHPID.*" EXIT
task=0
arch=$(uname -i)
options=0
path=0
installed=
# Look for any commandline options
while getopts ":tpa:" opt; do
case $opt in
p)
path=1
;;
t)
task=1
options=1
echo "Not implemented."
exit 1
;;
a)
arch=$OPTARG
options=1
;;
*)
;;
esac
done
# Done, now shift all option arguments out.
shift $((OPTIND-1))
if [ $# -gt 2 ] || [ $# -eq 0 ] || [ $# -lt 2 -a $options -eq 1 ]; then
echo "Usage: $0 [OPTIONS] <old> [new]"
echo
echo "OPTIONS:"
echo -e "\t-t\tCompare two brew tasks"
echo -e "\t-a ARCH\tGet rpms for the ARCH architecture"
echo -e "\t-p\tCompare built rpms in two paths."
echo -e "\t\tThis minimally needs glibc, glibc-common and glibc-benchtests"
exit 1
fi
if [ -z $2 ]; then
new="$1"
old=$(rpm --queryformat "%{VERSION}-%{RELEASE}\n" -q glibc | head -1)
installed=$old
else
new="$2"
old="$1"
fi
decompress_rpms() {
# We were given a path to the rpms. Figure out the version-release and
# decompress the rpms.
if [ -n $1 ]; then
vr=$(rpm --queryformat="%{VERSION}-%{RELEASE}" -qp $1/glibc-2*.rpm | head -1)
mkdir $vr && pushd $vr
fi
for r in $1*.rpm; do
( rpm2cpio $r | cpio -di ) > /dev/null
done
if [ -n $1 ]; then
popd
echo $vr
fi
}
# Get rpms for a build and decompress them
get_build() {
echo "Processing build $1"
mkdir $1 && pushd $1
brew buildinfo "glibc-$1" |
sed -n -e "s|/mnt/koji\(.\+$arch.\+\)|http://kojipkgs.fedoraproject.org\1|p" |
while read url; do
echo "Downloading $url"
wget -q $url
done
decompress_rpms
echo "Removing rpms"
rm -f $1/*.rpm
popd
}
# Run benchmarks for a build
run_bench() {
if [ -z $1 ]; then
make DETAILED=1 ver=$installed prefix= -f /usr/libexec/glibc-benchtests/bench.mk bench
else
make DETAILED=1 ver=$1 prefix=$PWD -f $1/usr/libexec/glibc-benchtests/bench.mk bench
fi
}
# Get absolute paths if needed, since we will change into the working directory
# next.
if [ $path -eq 1 ]; then
old_path=$(realpath $old)/
new_path=$(realpath $new)/
fi
tmpdir=$(mktemp -p /tmp -d glibc-bench-compare.$$.XXXX)
pushd $tmpdir
# Get both builds.
if [ $path -eq 0 ]; then
if [ -z $installed ]; then
get_build $old
fi
get_build $new
else
old=$(decompress_rpms $old_path)
new=$(decompress_rpms $new_path)
fi
# make bench for each of those.
if [ -z $installed ]; then
run_bench $old
else
run_bench
fi
run_bench $new
# Now run the comparison script.
$old/usr/libexec/glibc-benchtests/compare_bench.py $old/usr/libexec/glibc-benchtests/benchout.schema.json \
bench.$old.out bench.$new.out
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