diff options
Diffstat (limited to 'glibc-bench-compare')
| -rw-r--r-- | glibc-bench-compare | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/glibc-bench-compare b/glibc-bench-compare new file mode 100644 index 0000000..84e3aba --- /dev/null +++ b/glibc-bench-compare @@ -0,0 +1,153 @@ +#!/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 |