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Diffstat (limited to 'build-perf-bisect.sh')
| -rwxr-xr-x | build-perf-bisect.sh | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/build-perf-bisect.sh b/build-perf-bisect.sh new file mode 100755 index 0000000000..c98ebe728b --- /dev/null +++ b/build-perf-bisect.sh @@ -0,0 +1,161 @@ +#!/bin/bash +# +# Copyright (c) 2016, Intel Corporation. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms and conditions of the GNU General Public License, +# version 2, as published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +# more details. +# +# +# This script is a simple wrapper around the actual build performance tester +# script. This script initializes the build environment, runs +# oe-build-perf-test and archives the results. + +# +# PARSE COMMAND LINE ARGUMENTS +# +script=`basename $0` +workdir=`realpath build-perf-bisect` + +usage () { +cat << EOF +Usage: $script [-h] [-d DL_DIR] [-w WORKDIR] BUILD_TARGET THRESHOLD + +Optional arguments: + -h show this help and exit. + -d DL_DIR to use + -w work directory to use +EOF +} + +while getopts "hd:w:" opt; do + case $opt in + h) usage + exit 0 + ;; + d) downloaddir=`realpath "$OPTARG"` + ;; + w) workdir=`realpath "$OPTARG"` + ;; + *) usage + exit 255 + ;; + esac +done +shift "$((OPTIND - 1))" + +if [ $# -ne 2 ]; then + echo "Invalid number of positional arguments ($# instead of 2)" + usage + exit 255 +fi + +# Initialize rest of variables +[ -z "$downloaddir" ] && downloaddir="$workdir/downloads" +timestamp=`date "+%Y%m%d_%H%M%S"` +git_rev=`git rev-parse --short HEAD` +git_rev_cnt=`git rev-list --count HEAD` +log_file="$workdir/bisect-${git_rev_cnt}_g${git_rev}-${timestamp}.log" + + +# +# HELPER FUNCTIONS +# +log () { + echo "[`date '+%Y-%m-%d %H:%M:%S'`] $@" | tee -a "$log_file" >&2 +} + +hms_to_s () { + _f1=`echo $1: | cut -d ':' -f 1` + _f2=`echo $1: | cut -d ':' -f 2` + _f3=`echo $1: | cut -d ':' -f 3` + + if echo "$_f1$_f2$_f3" | grep -q -e '[^0-9.]'; then + log "invalid time stamp format: '$1'" + exit 255 + fi + + #>&2 echo "'$_f1' '$_f2' '$_f3'" + if [ -z "$_f2" ]; then + _s=`echo $_f1 | cut -d '.' -f 1` + elif [ -z "$_f3" ]; then + _ss=`echo $_f2 | cut -d '.' -f 1` + _s=$((_f1*60 + $_ss)) + else + _ss=`echo $_f3 | cut -d '.' -f 1` + _s=$(($_f1*3600 + $_f2*60 + $_ss)) + fi + + echo $_s +} + +s_to_hms () { + if echo "$1" | grep -q -e '[^0-9]'; then + log "not an integer: '$1'" + exit 255 + fi + + printf "%d:%02d:%02d" $(($1 / 3600)) $((($1 % 3600) / 60)) $(($1 % 60)) +} + +time_cmd () { + log "timing $*" + /usr/bin/time -o time.log -f '%e' $@ &>> "$log_file" + secs=`cut -f1 -d. time.log` + log "command took $secs seconds (`s_to_hms $secs`)" + echo $secs +} + +run_cmd () { + log "running $*" + $@ &>> "$log_file" +} + + +# +# MAIN SCRIPT +# +build_target=$1 +threshold=`hms_to_s $2` + +#Initialize build environment +mkdir -p $workdir +. ./oe-init-build-env "$workdir/build-$git_rev-$timestamp" > /dev/null || exit 255 +builddir=`pwd` + +echo DL_DIR = \"$downloaddir\" >> conf/local.conf +echo CONNECTIVITY_CHECK_URIS = \"\" >> conf/local.conf + +# Do actual build +log "TESTING REVISION $git_rev (#$git_rev_cnt)" +log "fetching sources" +run_cmd bitbake $build_target -c fetchall + +log "cleaning up build directory" +run_cmd rm -rf bitbake.lock conf/sanity_info cache tmp sstate-cache + +log "syncing and dropping caches" +run_cmd sync +echo 3 | sudo -n -k /usr/bin/tee /proc/sys/vm/drop_caches > /dev/null || exit 255 +sleep 2 + +result=`time_cmd bitbake $build_target` || exit 125 + +log "removing build directory" +cd $workdir +run_cmd rm -rf $builddir + +result_hms=`s_to_hms $result` +threshold_hms=`s_to_hms $threshold` +if [ $result -lt $threshold ]; then + log "OK ($git_rev): $result ($result_hms) < $threshold ($threshold_hms)" + exit 0 +else + log "FAIL ($git_rev): $result ($result_hms) >= $threshold ($threshold_hms)" + exit 1 +fi |