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- #!/bin/sh
- # Used to compare sstate checksums between MACHINES
- # Execute script and compare generated list.M files
- # 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"
- 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".
- 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
- ;;
- --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"`
- for M in ${machines}; do
- find ${tmpdir}/stamps/ -name \*sigdata\* | xargs rm -f
- mkdir -p ${OUTPUT}/${M}
- export MACHINE=${M}; bitbake -S ${targets} | tee -a ${OUTPUT}/${M}/log;
- 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; s/${M}/MACHINE/g" ${OUTPUT}/${M}/list | sort > ${OUTPUT}/${M}/list.M
- find ${tmpdir}/stamps/ -name \*sigdata\* | xargs rm -f
- done
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