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authorMartin Jansa <martin.jansa@gmail.com>2012-12-15 00:40:39 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2013-01-07 12:06:14 +0000
commit1e4bdd6147c73547d2451705bbb874918621cbfc (patch)
treef928a7b23a86f53a841d4f3538a4963980bf019c /scripts/sstate-diff-machines.sh
parent16500f9d5fe3446511212cff14d44bce969cdea0 (diff)
downloadopenembedded-core-contrib-1e4bdd6147c73547d2451705bbb874918621cbfc.tar.gz
scripts/sstate-diff-machines.sh: add simple script to compare sstate checksums between MACHINEs
* takes tmpdir, machines and targets from command arguments or env variables Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts/sstate-diff-machines.sh')
-rwxr-xr-xscripts/sstate-diff-machines.sh107
1 files changed, 107 insertions, 0 deletions
diff --git a/scripts/sstate-diff-machines.sh b/scripts/sstate-diff-machines.sh
new file mode 100755
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+++ b/scripts/sstate-diff-machines.sh
@@ -0,0 +1,107 @@
+#!/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