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commit
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bin/
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compiled/
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output/
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#!/bin/bash
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#
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# compile.sh
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# Copyright (C) 2020 pavle <pavle.portic@tilda.center>
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#
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# Distributed under terms of the BSD 3-Clause license.
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#
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export MAKEFLAGS='-j16'
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version='5.5.2'
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cd config
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configs=$(ls -1 config_* | sed 's#^config_\(.\+\)#\1#')
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cd ..
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mkdir -p compiled
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for c in $configs; do
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if ls -1 compiled | grep $c >/dev/null; then
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continue
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fi
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cp config/config_$c linux/config
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cd linux
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makepkg -sf
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cp linux-$version*.pkg.tar.zst ../compiled/linux-$version-$c.pkg.tar.zst
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cd ..
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done
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# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
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pkgbase=linux
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pkgver=5.5.2.arch2
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pkgrel=2
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pkgdesc='Linux'
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_srctag=v${pkgver%.*}-${pkgver##*.}
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url="https://git.archlinux.org/linux.git/log/?h=$_srctag"
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arch=(x86_64)
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license=(GPL2)
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makedepends=(
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bc kmod libelf
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xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick
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git
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)
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options=('!strip')
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_srcname=archlinux-linux
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source=(
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"$_srcname::git+https://git.archlinux.org/linux.git?signed#tag=$_srctag"
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config # the main kernel config file
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)
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validpgpkeys=(
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'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
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'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
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'8218F88849AAC522E94CF470A5E9288C4FA415FA' # Jan Alexander Steffens (heftig)
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)
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sha256sums=('SKIP'
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'SKIP')
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export KBUILD_BUILD_HOST=archlinux
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export KBUILD_BUILD_USER=$pkgbase
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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prepare() {
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cd $_srcname
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echo "Setting version..."
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scripts/setlocalversion --save-scmversion
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echo "-$pkgrel" > localversion.10-pkgrel
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echo "${pkgbase#linux}" > localversion.20-pkgname
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local src
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for src in "${source[@]}"; do
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src="${src%%::*}"
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src="${src##*/}"
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[[ $src = *.patch ]] || continue
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echo "Applying patch $src..."
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patch -Np1 < "../$src"
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done
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echo "Setting config..."
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cp ../config .config
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# make olddefconfig
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make oldconfig
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make -s kernelrelease > version
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echo "Prepared $pkgbase version $(<version)"
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}
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build() {
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cd $_srcname
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make bzImage modules htmldocs
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}
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_package() {
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pkgdesc="The $pkgdesc kernel and modules"
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depends=(coreutils kmod initramfs)
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optdepends=('crda: to set the correct wireless channels of your country'
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'linux-firmware: firmware images needed for some devices')
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cd $_srcname
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local kernver="$(<version)"
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local modulesdir="$pkgdir/usr/lib/modules/$kernver"
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echo "Installing boot image..."
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# systemd expects to find the kernel here to allow hibernation
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# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
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install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
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# Used by mkinitcpio to name the kernel
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echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
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echo "Installing modules..."
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make INSTALL_MOD_PATH="$pkgdir/usr" modules_install
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# remove build and source links
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rm "$modulesdir"/{source,build}
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echo "Fixing permissions..."
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chmod -Rc u=rwX,go=rX "$pkgdir"
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}
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_package-headers() {
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pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
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cd $_srcname
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local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
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echo "Installing build files..."
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install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
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localversion.* version vmlinux
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install -Dt "$builddir/kernel" -m644 kernel/Makefile
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install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
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cp -t "$builddir" -a scripts
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# add objtool for external module building and enabled VALIDATION_STACK option
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install -Dt "$builddir/tools/objtool" tools/objtool/objtool
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# add xfs and shmem for aufs building
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mkdir -p "$builddir"/{fs/xfs,mm}
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echo "Installing headers..."
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cp -t "$builddir" -a include
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cp -t "$builddir/arch/x86" -a arch/x86/include
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install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
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install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
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install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
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# http://bugs.archlinux.org/task/13146
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install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
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# http://bugs.archlinux.org/task/20402
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install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
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install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
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install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
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echo "Installing KConfig files..."
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find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
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echo "Removing unneeded architectures..."
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local arch
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for arch in "$builddir"/arch/*/; do
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[[ $arch = */x86/ ]] && continue
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echo "Removing $(basename "$arch")"
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rm -r "$arch"
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done
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echo "Removing documentation..."
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rm -r "$builddir/Documentation"
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echo "Removing broken symlinks..."
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find -L "$builddir" -type l -printf 'Removing %P\n' -delete
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echo "Removing loose objects..."
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find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
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echo "Stripping build tools..."
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local file
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while read -rd '' file; do
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case "$(file -bi "$file")" in
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application/x-sharedlib\;*) # Libraries (.so)
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strip -v $STRIP_SHARED "$file" ;;
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application/x-archive\;*) # Libraries (.a)
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strip -v $STRIP_STATIC "$file" ;;
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application/x-executable\;*) # Binaries
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strip -v $STRIP_BINARIES "$file" ;;
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application/x-pie-executable\;*) # Relocatable binaries
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strip -v $STRIP_SHARED "$file" ;;
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esac
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done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
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echo "Adding symlink..."
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mkdir -p "$pkgdir/usr/src"
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ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
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echo "Fixing permissions..."
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chmod -Rc u=rwX,go=rX "$pkgdir"
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}
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_package-docs() {
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pkgdesc="Documentation for the $pkgdesc kernel"
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cd $_srcname
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local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
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echo "Installing documentation..."
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local src dst
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while read -rd '' src; do
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dst="${src#Documentation/}"
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dst="$builddir/Documentation/${dst#output/}"
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install -Dm644 "$src" "$dst"
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done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
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echo "Adding symlink..."
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mkdir -p "$pkgdir/usr/share/doc"
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ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
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echo "Fixing permissions..."
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chmod -Rc u=rwX,go=rX "$pkgdir"
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}
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pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
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for _p in "${pkgname[@]}"; do
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eval "package_$_p() {
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$(declare -f "_package${_p#$pkgbase}")
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_package${_p#$pkgbase}
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}"
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done
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# vim:set ts=8 sts=2 sw=2 et:
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#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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# vim:fenc=utf-8
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import logging
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import re
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import subprocess
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from csv import DictWriter
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CONFIGS = [
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'DEFAULT',
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'HARDENED_USERCOPY',
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'MEMCG',
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'PAGE_TABLE_ISOLATION',
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'RETPOLINE',
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'SLAB_FREELIST_RANDOM',
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'TRANSPARENT_HUGEPAGE_ALWAYS',
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'USERFAULTFD',
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]
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PASSES = 5
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VERSION = '5.5.2'
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pattern = re.compile(r'(\w+) ?(.*) (\d+)us')
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def load_current():
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with open('current', 'r') as f:
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return f.read()
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def set_current(current):
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with open('current', 'w') as f:
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return f.write(current)
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def run_bench_script():
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result = subprocess.run(['bash', 'run_bench.sh'], capture_output=True)
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return result.stdout.decode('UTF-8')
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def parse_results(output):
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results = {}
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for line in output.split('\n'):
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matches = pattern.match(line.strip())
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if matches is None:
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continue
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results[matches.group(1)] = {
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'params': matches.group(2),
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'time': int(matches.group(3)),
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}
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return results
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def accumulate(accumulated_results, results):
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for key, value in results.items():
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if key in accumulated_results:
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accumulated_results[key]['time'] += value['time']
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else:
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accumulated_results[key] = value.copy()
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def average(accumulated_results):
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results = []
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for key, value in accumulated_results.items():
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results.append({
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'name': key,
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'params': value['params'],
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'time': int(value['time'] / PASSES),
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})
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return results
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def save_results(current, results):
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logging.info(f'saving results: {results}')
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with open(f'output/{current}.csv', 'w', newline='') as csvfile:
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fieldnames = ['name', 'params', 'time']
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writer = DictWriter(csvfile, fieldnames=fieldnames, delimiter=',')
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writer.writeheader()
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writer.writerows(results)
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def prepare_next(current):
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current_index = CONFIGS.index(current)
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if current_index == len(CONFIGS) - 1:
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return False
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next = CONFIGS[current_index + 1]
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logging.info(f'Setting {next} as next config')
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package = f'/home/pavle/compiled/linux-{VERSION}-{next}.pkg.tar.zst'
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set_current(next)
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subprocess.run(['sudo', 'pacman', '-U', '--noconfirm', package])
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subprocess.run(['sudo', 'efibootmgr', '-n', '0007'])
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return True
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def run_benchmark(current):
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accumulated_results = {}
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for i in range(PASSES):
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logging.info(f'pass {i+1} of {PASSES}')
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output = run_bench_script()
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logging.debug(f'raw benchmark output: {output}')
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results = parse_results(output)
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accumulate(accumulated_results, results)
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logging.debug(f'pass results: {results}')
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logging.debug(f'accumulated results: {accumulated_results}')
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final_results = average(accumulated_results)
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logging.debug(f'Final results: {final_results}')
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save_results(current, final_results)
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def main():
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current = load_current()
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logging.info(f'Current config: {current}')
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run_benchmark(current)
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if prepare_next(current):
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subprocess.run(['sudo', 'reboot'])
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if __name__ == '__main__':
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logging.basicConfig(level=logging.INFO)
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main()
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@ -0,0 +1,27 @@
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#!/bin/bash
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# THREAD number_of_threads
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bin/thread 100000
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# FORK number_of_forks
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bin/fork 16 | tail -n 1
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# READ number_of_reads
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bin/read 10000000
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# WRITTE number_of_writtes
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bin/write 10000000
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# MMAP_MUNMAP number_of_maps/unmaps number_of_pages
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bin/mmap_munmap 10000000 1
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# RECV
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bin/recv &
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sleep 1
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# SEND number_of_messages text
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bin/send 10000000 a
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# PAGE_FAULT number_of_faults
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bin/page_fault 1000000
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