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As package size changes are a continuous topic on the mailing list this scripts helps developers to compare their local package modifications against latest upstream. The script downloads the latest package indexes based on env variables or the `.config` file. The script compares the actual installed size (data.tar.gz) or the IPK package size. An example output is found below: ``` user@dawn:~/src/openwrt/openwrt$ ./scripts/size_compare.sh Compare packages of ath79/tiny/mips_24kc: dropbear busybox iw ubus Checking configuration difference % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 554 100 554 0 0 336 0 0:00:01 0:00:01 --:--:-- 336 --- start config diff --- --- /tmp/config.DDjwVh-LOCAL 2020-11-23 09:08:28.913203068 -1000 +++ /tmp/config.DDjwVh-UPSTREAM 2020-11-23 09:08:36.369240887 -1000 @@ -1,5 +1,9 @@ +CONFIG_ALL_KMODS=y +CONFIG_ALL_NONSHARED=y CONFIG_AUTOREBUILD=y +CONFIG_AUTOREMOVE=y --- 8< --- CONFIG_BINARY_FOLDER="" +CONFIG_BUILDBOT=y +CONFIG_TARGET_ALL_PROFILES=y CONFIG_TARGET_ROOTFS_DIR="" CONFIG_USE_SSTRIP=y CONFIG_USE_UCLIBCXX=y --- end config diff --- Checking installed size Fetching latest package indexes... % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 80634 100 80634 0 0 33499 0 0:00:02 0:00:02 --:--:-- 33485 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 54082 100 54082 0 0 24252 0 0:00:02 0:00:02 --:--:-- 24252 Comparing package sizes... Change Local Remote Package +271 51386 51115 base-files +123 705241 705118 bnx2-firmware +86 17209 17123 fstools +22 47989 47967 procd +21 208311 208290 busybox +19 67181 67162 netifd ``` I plan to integrate this script into the CI so we have a summary how sizes change over different architectures. Signed-off-by: Paul Spooren <mail@aparcar.org>
152 lines
4.2 KiB
Bash
Executable File
152 lines
4.2 KiB
Bash
Executable File
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (C) 2020 Paul Spooren <mail@aparcar.org>
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#
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###
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### size_compare - compare size of OpenWrt packages against upstream
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###
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### The script compares locally compiled package with the package indexes
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### available upstream. This way the storage impact of optimizations or
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### feature modifiactions is easy to see.
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###
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### If no environmental variables are set the scritp reads the current
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### .config file. The evaluated env variables are the following:
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###
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### TARGET SUBTARGET ARCH PACKAGES BIN_DIR BASE_URL CHECK_INSTALLED
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###
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### Usage:
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### ./scripts/size_compare.sh
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###
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### Options:
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### -p --package-size Check IPK package size and not installed size
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### -h --help This message
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CONFIG_TARGET=$(sed -n 's/^CONFIG_TARGET_BOARD="\(.*\)"$/\1/p' .config)
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CONFIG_SUBTARGET=$(sed -n 's/^CONFIG_TARGET_SUBTARGET="\(.*\)"$/\1/p' .config)
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CONFIG_ARCH=$(sed -n 's/^CONFIG_TARGET_ARCH_PACKAGES="\(.*\)"$/\1/p' .config)
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CONFIG_PACKAGES=$(sed -n 's/^CONFIG_PACKAGE_\(.*\)=y$/\1/p' .config | tr '\n' ' ')
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CONFIG_BIN_DIR=$(sed -n 's/^CONFIG_BINARY_DIR="\(.*\)"$/\1/p' .config)
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TARGET=${TARGET:-$CONFIG_TARGET}
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SUBTARGET=${SUBTARGET:-$CONFIG_SUBTARGET}
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ARCH=${ARCH:-$CONFIG_ARCH}
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PACKAGES=${PACKAGES:-$CONFIG_PACKAGES}
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BIN_DIR=${CONFIG_BIN_DIR:-./bin}
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BASE_URL="${BASE_URL:-https://downloads.openwrt.org/snapshots}"
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CHECK_INSTALLED="${CHECK_INSTALLED:-y}"
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TARGET_URL="$BASE_URL/targets/$TARGET/$SUBTARGET/packages/Packages.gz"
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CONFIG_URL="$BASE_URL/targets/$TARGET/$SUBTARGET/config.buildinfo"
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PACKAGES_URL="$BASE_URL/packages/$ARCH/base/Packages.gz"
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if command -v curl > /dev/null; then
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DOWNLOAD_METHOD="curl"
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else
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DOWNLOAD_METHOD="wget --output-document=-"
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fi
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help() {
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sed -rn 's/^### ?//;T;p' "$0"
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}
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package_size () {
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FOUND_PACKAGE=
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if [ -z "$CHECK_INSTALLED" ]; then
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SEARCH_PATTERN="Size"
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else
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SEARCH_PATTERN="Installed-Size"
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fi
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while IFS= read -r line; do
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if [ "$line" = "Package: $2" ]; then
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FOUND_PACKAGE=y
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fi
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if [ -n "$FOUND_PACKAGE" ]; then
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case $line in
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"$SEARCH_PATTERN"*)
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echo "$line" | cut -d ' ' -f 2
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break
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;;
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esac
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fi
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done < "$1"
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}
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compare_sizes () {
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for PACKAGE in $PACKAGES; do
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if [ "$PACKAGE" = "libc" ]; then
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continue
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fi
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PACKAGE_FILE=$(find "$BIN_DIR/packages/$ARCH/" \
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"$BIN_DIR/targets/$TARGET/$SUBTARGET/" \
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-name "${PACKAGE}_*.ipk" 2>/dev/null | head -n1)
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if [ -z "$PACKAGE_FILE" ]; then
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continue
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fi
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if [ -z "$CHECK_INSTALLED" ]; then
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SIZE_LOCAL=$(stat -c '%s' "$PACKAGE_FILE")
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else
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SIZE_LOCAL=$(tar tzvf "$PACKAGE_FILE" ./data.tar.gz | awk '{ print $3 }')
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fi
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SIZE_UPSTREAM=$(package_size "$TMP_INDEX" "$PACKAGE")
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SIZE_DIFF="$((SIZE_LOCAL-SIZE_UPSTREAM))"
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if [ "$SIZE_DIFF" -gt 0 ]; then
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SIZE_DIFF="+$SIZE_DIFF"
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fi
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if [ -n "$SIZE_UPSTREAM" ]; then
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echo "${SIZE_DIFF} ${SIZE_LOCAL} ${SIZE_UPSTREAM} $PACKAGE"
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else
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echo "$PACKAGE is missing upstream"
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fi
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done
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}
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if [ "$1" = "-h" ]; then
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help
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exit 0
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fi
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if [ "$1" = "-p" ]; then
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CHECK_INSTALLED=
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fi
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echo "Compare packages of $TARGET/$SUBTARGET/$ARCH":
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echo "$PACKAGES"
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echo
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echo "Checking configuration difference"
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TMP_CONFIG=$(mktemp /tmp/config.XXXXXX)
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sed -n 's/^ \+config \(.*\)/\1/p' config/Config-build.in config/Config-devel.in > "${TMP_CONFIG}-FOCUS"
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sort .config | grep -f "${TMP_CONFIG}-FOCUS" | grep -v "^#" | sort > "${TMP_CONFIG}-LOCAL"
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mv .config .config.bak
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"$DOWNLOAD_METHOD" "$CONFIG_URL" > .config
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make defconfig > /dev/null 2> /dev/null
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grep -f "${TMP_CONFIG}-FOCUS" .config | grep -v "^#" | sort > "${TMP_CONFIG}-UPSTREAM"
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mv .config.bak .config
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echo
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echo " --- start config diff ---"
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diff -u "${TMP_CONFIG}-LOCAL" "${TMP_CONFIG}-UPSTREAM"
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echo " --- end config diff ---"
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rm "${TMP_CONFIG}-FOCUS" "${TMP_CONFIG}-UPSTREAM" "${TMP_CONFIG}-LOCAL"
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echo
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if [ -z "$CHECK_INSTALLED" ]; then
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echo "Checking IPK package size"
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else
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echo "Checking installed size"
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fi
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echo
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echo "Fetching latest package indexes..."
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TMP_INDEX=$(mktemp /tmp/size_compare_package_index.XXXXXX)
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"$DOWNLOAD_METHOD" "$TARGET_URL" | gzip -d > "$TMP_INDEX" || exit 1
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"$DOWNLOAD_METHOD" "$PACKAGES_URL" | gzip -d >> "$TMP_INDEX" || exit 1
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echo
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echo "Comparing package sizes..."
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echo "Change Local Remote Package"
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compare_sizes | sort -g -r
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rm "$TMP_INDEX"
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