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#!/bin/bash
#
# SPDX-License-Identifier: GPL-2.0-only
#
# Used to compare sstate checksums between MACHINES.
# Execute script and compare generated list.M files.
# Using bash to have PIPESTATUS variable.
# It's also usefull to keep older sstate checksums
# to be able to find out why something is rebuilding
# after updating metadata
# $ diff \
# sstate-diff/1349348392/fake-cortexa8/list.M \
# sstate-diff/1349348392/fake-cortexa9/list.M \
# | wc -l
# 538
# Then to compare sigdata use something like:
# $ ls sstate-diff/1349348392/*/armv7a-vfp-neon*/linux-libc-headers/*do_configure*sigdata*
# sstate-diff/1349348392/fake-cortexa8/armv7a-vfp-neon-oe-linux-gnueabi/linux-libc-headers/3.4.3-r0.do_configure.sigdata.cb73b3630a7b8191e72fc469c5137025
# sstate-diff/1349348392/fake-cortexa9/armv7a-vfp-neon-oe-linux-gnueabi/linux-libc-headers/3.4.3-r0.do_configure.sigdata.f37ada177bf99ce8af85914df22b5a0b
# $ bitbake-diffsigs stamps.1349348392/*/armv7a-vfp-neon*/linux-libc-headers/*do_configure*sigdata*
# basehash changed from 8d0bd67bb1da6f68717760fc3ef43171 to e869fa61426e88e9c30726ba88a1216a
# Variable TUNE_CCARGS value changed from -march=armv7-a -mthumb-interwork -mfloat-abi=softfp -mfpu=neon -mtune=cortex-a8 to -march=armv7-a -mthumb-interwork -mfloat-abi=softfp -mfpu=neon -mtune=cortex-a9
# Global vars
tmpdir=
machines=
targets=
default_machines="qemuarm qemux86 qemux86-64"
default_targets="core-image-base"
analyze="N"
usage () {
cat << EOF
Welcome to utility to compare sstate checksums between different MACHINEs.
$0 <OPTION>
Options:
-h, --help
Display this help and exit.
--tmpdir=<tmpdir>
Specify tmpdir, will use the environment variable TMPDIR if it is not specified.
Something like /OE/oe-core/tmp-eglibc (no / at the end).
--machines=<machines>
List of MACHINEs separated by space, will use the environment variable MACHINES if it is not specified.
Default value is "qemuarm qemux86 qemux86-64".
--targets=<targets>
List of targets separated by space, will use the environment variable TARGETS if it is not specified.
Default value is "core-image-base".
--analyze
Show the differences between MACHINEs. It assumes:
* First 2 MACHINEs in --machines parameter have the same TUNE_PKGARCH
* Third optional MACHINE has different TUNE_PKGARCH - only native and allarch recipes are compared).
* Next MACHINEs are ignored
EOF
}
# Print error information and exit.
echo_error () {
echo "ERROR: $1" >&2
exit 1
}
while [ -n "$1" ]; do
case $1 in
--tmpdir=*)
tmpdir=`echo $1 | sed -e 's#^--tmpdir=##' | xargs readlink -e`
[ -d "$tmpdir" ] || echo_error "Invalid argument to --tmpdir"
shift
;;
--machines=*)
machines=`echo $1 | sed -e 's#^--machines="*\([^"]*\)"*#\1#'`
shift
;;
--targets=*)
targets=`echo $1 | sed -e 's#^--targets="*\([^"]*\)"*#\1#'`
shift
;;
--analyze)
analyze="Y"
shift
;;
--help|-h)
usage
exit 0
;;
*)
echo "Invalid arguments $*"
echo_error "Try '$0 -h' for more information."
;;
esac
done
# tmpdir directory, use environment variable TMPDIR
# if it was not specified, otherwise, error.
[ -n "$tmpdir" ] || tmpdir=$TMPDIR
[ -n "$tmpdir" ] || echo_error "No tmpdir found!"
[ -d "$tmpdir" ] || echo_error "Invalid tmpdir \"$tmpdir\""
[ -n "$machines" ] || machines=$MACHINES
[ -n "$machines" ] || machines=$default_machines
[ -n "$targets" ] || targets=$TARGETS
[ -n "$targets" ] || targets=$default_targets
OUTPUT=${tmpdir}/sstate-diff/`date "+%s"`
declare -i RESULT=0
for M in ${machines}; do
[ -d ${tmpdir}/stamps/ ] && find ${tmpdir}/stamps/ -name \*sigdata\* | xargs rm -f
mkdir -p ${OUTPUT}/${M}
export MACHINE=${M}
bitbake -S none ${targets} 2>&1 | tee -a ${OUTPUT}/${M}/log;
RESULT+=${PIPESTATUS[0]}
if ls ${tmpdir}/stamps/* >/dev/null 2>/dev/null ; then
cp -ra ${tmpdir}/stamps/* ${OUTPUT}/${M}
find ${OUTPUT}/${M} -name \*sigdata\* | sed "s#${OUTPUT}/${M}/##g" | sort > ${OUTPUT}/${M}/list
M_UNDERSCORE=`echo ${M} | sed 's/-/_/g'`
sed "s/^${M_UNDERSCORE}-/MACHINE/g" ${OUTPUT}/${M}/list | sort > ${OUTPUT}/${M}/list.M
find ${tmpdir}/stamps/ -name \*sigdata\* | xargs rm -f
else
printf "ERROR: no sigdata files were generated for MACHINE $M in ${tmpdir}/stamps\n";
fi
done
function compareSignatures() {
MACHINE1=$1
MACHINE2=$2
PATTERN="$3"
PRE_PATTERN=""
[ -n "${PATTERN}" ] || PRE_PATTERN="-v"
[ -n "${PATTERN}" ] || PATTERN="MACHINE"
for TASK in do_configure.sigdata do_populate_sysroot.sigdata do_package_write_ipk.sigdata; do
printf "\n\n === Comparing signatures for task ${TASK} between ${MACHINE1} and ${MACHINE2} ===\n" | tee -a ${OUTPUT}/signatures.${MACHINE2}.${TASK}.log
diff ${OUTPUT}/${MACHINE1}/list.M ${OUTPUT}/${MACHINE2}/list.M | grep ${PRE_PATTERN} "${PATTERN}" | grep ${TASK} > ${OUTPUT}/signatures.${MACHINE2}.${TASK}
for i in `cat ${OUTPUT}/signatures.${MACHINE2}.${TASK} | sed 's#[^/]*/\([^/]*\)/.*#\1#g' | sort -u | xargs`; do
[ -e ${OUTPUT}/${MACHINE1}/*/$i/*${TASK}* ] || echo "INFO: ${i} task ${TASK} doesn't exist in ${MACHINE1}" >&2
[ -e ${OUTPUT}/${MACHINE1}/*/$i/*${TASK}* ] || continue
[ -e ${OUTPUT}/${MACHINE2}/*/$i/*${TASK}* ] || echo "INFO: ${i} task ${TASK} doesn't exist in ${MACHINE2}" >&2
[ -e ${OUTPUT}/${MACHINE2}/*/$i/*${TASK}* ] || continue
printf "ERROR: $i different signature for task ${TASK} between ${MACHINE1} and ${MACHINE2}\n";
bitbake-diffsigs ${OUTPUT}/${MACHINE1}/*/$i/*${TASK}* ${OUTPUT}/${MACHINE2}/*/$i/*${TASK}*;
echo "$i" >> ${OUTPUT}/failed-recipes.log
echo
done | tee -a ${OUTPUT}/signatures.${MACHINE2}.${TASK}.log
# don't create empty files
ERRORS=`grep "^ERROR.*" ${OUTPUT}/signatures.${MACHINE2}.${TASK}.log | wc -l`
if [ "${ERRORS}" != "0" ] ; then
echo "ERROR: ${ERRORS} errors found in ${OUTPUT}/signatures.${MACHINE2}.${TASK}.log"
RESULT+=${ERRORS}
fi
done
}
function compareMachines() {
[ "$#" -ge 2 ] && compareSignatures $1 $2
[ "$#" -ge 3 ] && compareSignatures $1 $3 "\(^< all\)\|\(^< x86_64-linux\)\|\(^< i586-linux\)"
}
if [ "${analyze}" = "Y" ] ; then
compareMachines ${machines}
fi
if [ "${RESULT}" != "0" -a -f ${OUTPUT}/failed-recipes.log ] ; then
cat ${OUTPUT}/failed-recipes.log | sort -u >${OUTPUT}/failed-recipes.log.u && mv ${OUTPUT}/failed-recipes.log.u ${OUTPUT}/failed-recipes.log
echo "ERROR: ${RESULT} issues were found in these recipes: `cat ${OUTPUT}/failed-recipes.log | xargs`"
fi
echo "INFO: Output written in: ${OUTPUT}"
exit ${RESULT}
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