forked from rpms/glibc
c9106cca32
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/glibc#d8a810a777f9c7113d15c1dc1ce8bde72ebc688b
154 lines
3.1 KiB
Bash
Executable File
154 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/bash
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# This script can be invoked as follows:
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#
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# glibc-bench-compare [options] <BUILD> [BUILD]
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#
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# Options may be one of the following:
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#
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# -t The BUILD arguments are task ids and not a version-release string
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# -a ARCH Do comparison for ARCH architecture
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#
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# If any of the above options are given, both BUILD arguments must be given.
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# Otherwise, if only one BUILD is specified, then it is compared against the
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# installed glibc.
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# Silence the pushd/popd messages
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pushd() {
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command pushd "$@" > /dev/null 2>&1
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}
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popd() {
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command popd "$@" > /dev/null 2>&1
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}
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# Clean up any downloaded files before we exit
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trap "rm -rf /tmp/glibc-bench-compare.$BASHPID.*" EXIT
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task=0
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arch=$(uname -i)
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options=0
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path=0
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installed=
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# Look for any commandline options
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while getopts ":tpa:" opt; do
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case $opt in
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p)
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path=1
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;;
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t)
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task=1
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options=1
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echo "Not implemented."
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exit 1
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;;
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a)
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arch=$OPTARG
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options=1
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;;
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*)
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;;
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esac
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done
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# Done, now shift all option arguments out.
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shift $((OPTIND-1))
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if [ $# -gt 2 ] || [ $# -eq 0 ] || [ $# -lt 2 -a $options -eq 1 ]; then
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echo "Usage: $0 [OPTIONS] <old> [new]"
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echo
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echo "OPTIONS:"
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echo -e "\t-t\tCompare two brew tasks"
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echo -e "\t-a ARCH\tGet rpms for the ARCH architecture"
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echo -e "\t-p\tCompare built rpms in two paths."
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echo -e "\t\tThis minimally needs glibc, glibc-common and glibc-benchtests"
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exit 1
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fi
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if [ -z $2 ]; then
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new="$1"
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old=$(rpm --queryformat "%{VERSION}-%{RELEASE}\n" -q glibc | head -1)
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installed=$old
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else
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new="$2"
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old="$1"
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fi
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decompress_rpms() {
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# We were given a path to the rpms. Figure out the version-release and
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# decompress the rpms.
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if [ -n $1 ]; then
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vr=$(rpm --queryformat="%{VERSION}-%{RELEASE}" -qp $1/glibc-2*.rpm | head -1)
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mkdir $vr && pushd $vr
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fi
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for r in $1*.rpm; do
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( rpm2cpio $r | cpio -di ) > /dev/null
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done
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if [ -n $1 ]; then
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popd
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echo $vr
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fi
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}
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# Get rpms for a build and decompress them
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get_build() {
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echo "Processing build $1"
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mkdir $1 && pushd $1
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brew buildinfo "glibc-$1" |
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sed -n -e "s|/mnt/koji\(.\+$arch.\+\)|http://kojipkgs.fedoraproject.org\1|p" |
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while read url; do
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echo "Downloading $url"
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wget -q $url
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done
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decompress_rpms
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echo "Removing rpms"
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rm -f $1/*.rpm
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popd
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}
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# Run benchmarks for a build
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run_bench() {
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if [ -z $1 ]; then
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make DETAILED=1 ver=$installed prefix= -f /usr/libexec/glibc-benchtests/bench.mk bench
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else
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make DETAILED=1 ver=$1 prefix=$PWD -f $1/usr/libexec/glibc-benchtests/bench.mk bench
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fi
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}
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# Get absolute paths if needed, since we will change into the working directory
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# next.
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if [ $path -eq 1 ]; then
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old_path=$(realpath $old)/
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new_path=$(realpath $new)/
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fi
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tmpdir=$(mktemp -p /tmp -d glibc-bench-compare.$$.XXXX)
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pushd $tmpdir
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# Get both builds.
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if [ $path -eq 0 ]; then
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if [ -z $installed ]; then
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get_build $old
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fi
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get_build $new
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else
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old=$(decompress_rpms $old_path)
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new=$(decompress_rpms $new_path)
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fi
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# make bench for each of those.
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if [ -z $installed ]; then
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run_bench $old
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else
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run_bench
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fi
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run_bench $new
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# Now run the comparison script.
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$old/usr/libexec/glibc-benchtests/compare_bench.py $old/usr/libexec/glibc-benchtests/benchout.schema.json \
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bench.$old.out bench.$new.out
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