# Maintainer: Peter Jung ptr1337 # Contributor: Piotr Gorski # Contributor: Jan Alexander Steffens (heftig) # Contributor: Tobias Powalowski # Contributor: Thomas Baechler ### Selecting the CPU scheduler # ATTENTION - one of seven predefined values should be selected! # 'bmq' - select 'BitMap Queue CPU scheduler' # 'pds' - select 'Priority and Deadline based Skip list multiple queue CPU scheduler' # 'cacule' - select 'CacULE scheduler' # 'cacule-rdb' - select 'CacULE-RDB scheduler' # 'bore' - select 'Burst-Oriented Response Enhancer' # 'tt' - select 'Task Type Scheduler by Hamad Marri' # 'cfs' - select 'Completely Fair Scheduler' _cpusched='bore' ### BUILD OPTIONS # Set these variables to ANYTHING that is not null to enable them ### Tweak kernel options prior to a build via nconfig _makenconfig= # NUMA is optimized for multi-socket motherboards. # A single multi-core CPU actually runs slower with NUMA enabled. # See, https://bugs.archlinux.org/task/31187 _NUMAdisable=y ## Enable Anbox _anbox= # Compile ONLY used modules to VASTLYreduce the number of modules built # and the build time. # # To keep track of which modules are needed for your specific system/hardware, # give module_db script a try: https://aur.archlinux.org/packages/modprobed-db # This PKGBUILD read the database kept if it exists # # More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db _localmodcfg= # Use the current kernel's .config file # Enabling this option will use the .config of the RUNNING kernel rather than # the ARCH defaults. Useful when the package gets updated and you already went # through the trouble of customizing your config options. NOT recommended when # a new kernel is released, but again, convenient for package bumps. _use_current= ### Enable KBUILD_CFLAGS -O3 _cc_harder=y ### Set performance governor as default _per_gov=y ### Enable TCP_CONG_BBR2 _tcp_bbr2=y ### Running with a 1000HZ, 750Hz, 600 Hz or 500Hz tick rate _HZ_ticks=750 ## Choose between perodic, tickless idle or full tickless ### Full tickless can give higher performances in various cases but, depending on hardware, lower consistency. _tickrate=full ## Choose between full(low-latency), voluntary or server _preempt=voluntary ### Disable MQ-Deadline I/O scheduler _mq_deadline_disable=y ### Disable Kyber I/O scheduler _kyber_disable=y ### Enable multigenerational LRU _lru_enable=y ## Enable DAMON _damon= ## enable SPECULATIVE_PAGE_FAULT _spf_enable=y ## Enable Linux Random Number Generator _lrng_enable=y ## Apply Kernel automatic Optimization _use_auto_optimization=y ## Apply Kernel Optimization selecting _use_optimization_select= ## Enable zram/zswap ZSTD compression _zstd_compression=y _nf_cone=y # Clang LTO mode, only available with the "llvm" compiler - options are "no", "full" or "thin". # "full: uses 1 thread for Linking, slow and uses more memory, theoretically with the highest performance gains." # "thin: uses multiple threads, faster and uses less memory, may have a lower runtime performance than Full." _use_llvm_lto= ## Change the thin lto cachedir for fixing building several dkms modules including zfs _thin_lto_cachedir= ## Enable it for using the LLVM CFI PATCH for a better security _use_cfi= if [ -n "$_use_llvm_lto" ]; then # pkgbase=linux-cachyos-${_cpusched}-lto pkgbase=linux-cachyos-lto else pkgbase=linux-cachyos fi _major=5.17 _minor=9 #_minorc=$((_minor+1)) #_rcver=rc8 pkgver=${_major}.${_minor} _stable=${_major}.${_minor} #_stable=${_major} #_stablerc=${_major}-${_rcver} _srcname=linux-${_stable} #_srcname=linux-${_major} arch=(x86_64 x86_64_v3) pkgdesc='Linux BORE scheduler Kernel by CachyOS with other patches and improvements' pkgrel=2 arch=('x86_64' 'x86_64_v3') url="https://github.com/CachyOS/linux-cachyos" license=('GPL2') options=('!strip') makedepends=('bc' 'texlive-latexextra' 'libelf' 'pahole' 'cpio' 'perl' 'tar' 'xz' 'zstd' 'xmlto' 'git' 'gcc' 'gcc-libs' 'glibc' 'binutils' 'make' 'patch') if [ -n "$_use_llvm_lto" ]; then makedepends+=(clang llvm lld python) fi _patchsource="https://raw.githubusercontent.com/ptr1337/kernel-patches/master/${_major}" source=( "https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.xz" "config" ) if [ "$_cpusched" = "bmq" ]; then source+=("${_patchsource}/sched/0001-prjc.patch") fi if [ "$_cpusched" = "pds" ]; then source+=("${_patchsource}/sched/0001-prjc.patch") fi if [ "$_cpusched" = "cacule" ]; then source+=("${_patchsource}/sched/0001-cacULE.patch") fi if [ "$_cpusched" = "cacule-rdb" ]; then source+=("${_patchsource}/sched/0001-cacULE.patch") fi if [ "$_cpusched" = "tt" ]; then source+=("${_patchsource}/sched/0001-tt.patch") fi if [ "$_cpusched" = "bore" ]; then source+=("${_patchsource}/sched/0001-bore-sched.patch") fi source+=( "${_patchsource}/0001-arch.patch" "${_patchsource}/0001-latency_nice.patch" "${_patchsource}/0002-anbox.patch" "${_patchsource}/0003-bbr2.patch" "${_patchsource}/0004-cachy.patch" "${_patchsource}/0005-migrate.patch" "${_patchsource}/0006-clearlinux.patch" "${_patchsource}/0007-cpu.patch" "${_patchsource}/0008-fixes-miscellaneous.patch" "${_patchsource}/0009-fs-patches.patch" "${_patchsource}/0010-hwmon.patch" "${_patchsource}/0011-lru-le9.patch" "${_patchsource}/0012-spf-lru.patch" "${_patchsource}/0013-xanmod.patch" "${_patchsource}/0014-lrng.patch" "${_patchsource}/0015-ck-hrtimer.patch" "${_patchsource}/0016-futex-winesync.patch" "auto-cpu-optimization.sh" ) if [ -n "$_use_llvm_lto" ]; then BUILD_FLAGS=( LLVM=1 LLVM_IAS=1 ) fi export KBUILD_BUILD_HOST=archlinux export KBUILD_BUILD_USER=$pkgbase export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})" prepare() { cd $_srcname echo "Setting version..." scripts/setlocalversion --save-scmversion echo "-$pkgrel" > localversion.10-pkgrel echo "${pkgbase#linux}" > localversion.20-pkgname local src for src in "${source[@]}"; do src="${src%%::*}" src="${src##*/}" [[ $src = *.patch ]] || continue echo "Applying patch $src..." patch -Np1 < "../$src" done echo "Setting config..." cp ../config .config if [ -n "$_use_auto_optimization" ]; then "${srcdir}"/auto-cpu-optimization.sh fi if [ -n "$_use_optimization_select" ]; then source "${startdir}"/configure cpu_arch fi ### Selecting the CPU scheduler if [ "$_cpusched" = "bmq" ]; then echo "Selecting BMQ CPU scheduler..." scripts/config --enable SCHED_ALT \ --enable SCHED_BMQ \ --disable SCHED_PDS elif [ "$_cpusched" = "pds" ]; then echo "Selecting PDS CPU scheduler..." scripts/config --enable SCHED_ALT \ --disable SCHED_BMQ \ --enable SCHED_PDS elif [ "$_cpusched" = "cacule" ]; then echo "Selecting CacULE scheduler..." scripts/config --enable CACULE_SCHED \ --disable CACULE_RDB elif [ "$_cpusched" = "cacule-rdb" ]; then echo "Selecting CacULE-RDB scheduler..." scripts/config --enable CACULE_SCHED \ --enable CACULE_RDB \ --set-val RDB_INTERVAL 19 elif [ "$_cpusched" = "tt" ]; then echo "Enable TT CPU scheduler..." scripts/config --enable TT_SCHED \ --enable TT_ACCOUNTING_STATS elif [ "$_cpusched" = "bore" ]; then echo "Selecting BORE Scheduler..." scripts/config --enable SCHED_BORE elif [ "$_cpusched" = "cfs" ]; then echo "Selecting Completely Fair Scheduler..." else if [ -n "$_cpusched" ]; then error "The value $_cpusched is invalid. Choose the correct one again." else error "The value is empty. Choose the correct one again." fi error "Selecting the CPU scheduler failed!" exit fi # if [ -n "$_use_cfi" ] && [ -n "$_use_llvm_lto" ]; then # echo "Enabling CFI" # scripts/config --enable ARCH_SUPPORTS_CFI_CLANG \ # --enable CFI_CLANG # fi if [ "$_use_llvm_lto" = "thin" ]; then echo "Enabling LLVM THIN LTO..." scripts/config --disable LTO_NONE \ --enable LTO \ --enable LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG_THIN \ --enable HAS_LTO_CLANG \ --enable LTO_CLANG_THIN \ --enable HAVE_GCC_PLUGINS elif [ "$_use_llvm_lto" = "full" ]; then echo "Enabling LLVM FULL LTO..." scripts/config --disable LTO_NONE \ --enable LTO \ --enable LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG \ --enable ARCH_SUPPORTS_LTO_CLANG_THIN \ --enable HAS_LTO_CLANG \ --enable LTO_CLANG \ --enable LTO_CLANG_FULL \ --enable HAVE_GCC_PLUGINS else scripts/config --enable LTO_NONE fi if [ "$_HZ_ticks" = "1000" ]; then echo "Setting tick rate to 1k Hz..." scripts/config --disable HZ_300 \ --enable HZ_1000 \ --set-val HZ 1000 elif [ "$_HZ_ticks" = "750" ]; then echo "Setting tick rate to 750Hz..." scripts/config --disable HZ_300 \ --enable HZ_750 \ --set-val HZ 750 elif [ "$_HZ_ticks" = "600" ]; then echo "Setting tick rate to 600Hz..." scripts/config --disable HZ_300 \ --enable HZ_600 \ --set-val HZ 600 elif [ "$_HZ_ticks" = "500" ]; then echo "Setting tick rate to 500Hz..." scripts/config --disable HZ_300 \ --enable HZ_500 \ --set-val HZ 500 elif [ "$_HZ_ticks" = "300" ]; then echo "Setting tick rate to 300Hz..." fi if [ -n "$_NUMAdisable" ]; then echo "Disabling NUMA from kernel config..." scripts/config --disable NUMA \ --disable AMD_NUMA \ --disable X86_64_ACPI_NUMA \ --disable NODES_SPAN_OTHER_NODES \ --disable NUMA_EMU \ --disable NEED_MULTIPLE_NODES \ --disable USE_PERCPU_NUMA_NODE_ID \ --disable ACPI_NUMA \ --disable ARCH_SUPPORTS_NUMA_BALANCING \ --disable NODES_SHIFT \ --undefine NODES_SHIFT \ --disable NEED_MULTIPLE_NODES fi if [ -n "$_mq_deadline_disable" ]; then echo "Disabling MQ-Deadline I/O scheduler..." scripts/config --disable MQ_IOSCHED_DEADLINE fi if [ -n "$_kyber_disable" ]; then echo "Disabling Kyber I/O scheduler..." scripts/config --disable MQ_IOSCHED_KYBER fi if [ -n "$_per_gov" ]; then echo "Setting performance governor..." scripts/config --disable CPU_FREQ_DEFAULT_GOV_SCHEDUTIL \ --enable CPU_FREQ_DEFAULT_GOV_PERFORMANCE \ --enable PCIEASPM \ --enable PCIEASPM_PERFORMANCE \ --enable PCIE_BUS_PERFORMANCE fi if [ "$_tickrate" = "perodic" ]; then echo "Enabling periodic ticks..." scripts/config --disable NO_HZ_IDLE \ --disable NO_HZ_FULL \ --disable NO_HZ \ --disable NO_HZ_COMMON \ --enable HZ_PERIODIC elif [ "$_tickrate" = "idle" ]; then echo "Enabling tickless idle..." scripts/config --disable HZ_PERIODIC \ --disable NO_HZ_FULL \ --enable NO_HZ_IDLE \ --enable NO_HZ \ --enable NO_HZ_COMMON elif [ "$_tickrate" = "full" ]; then echo "Enabling tickless idle..." scripts/config --disable HZ_PERIODIC \ --disable NO_HZ_IDLE \ --disable CONTEXT_TRACKING_FORCE \ --enable NO_HZ_FULL_NODEF \ --enable NO_HZ_FULL \ --enable NO_HZ \ --enable NO_HZ_COMMON \ --enable CONTEXT_TRACKING fi if [ "$_preempt" = "full" ]; then echo "Enabling low latency preempt..." scripts/config --enable PREEMPT_BUILD \ --disable PREEMPT_NONE \ --disable PREEMPT_VOLUNTARY \ --enable PREEMPT \ --enable PREEMPT_COUNT \ --enable PREEMPTION \ --enable PREEMPT_DYNAMIC elif [ "$_preempt" = "voluntary" ]; then echo "Enabling tickless idle..." scripts/config --enable PREEMPT_BUILD \ --disable PREEMPT_NONE \ --enable PREEMPT_VOLUNTARY \ --disable PREEMPT \ --enable PREEMPT_COUNT \ --enable PREEMPTION \ --enable PREEMPT_DYNAMIC elif [ "$_tickrate" = "server" ]; then echo "Enabling tickless idle..." scripts/config --enable PREEMPT_NONE_BUILD \ --enable PREEMPT_NONE \ --disable PREEMPT_VOLUNTARY \ --disable PREEMPT \ --disable PREEMPT_COUNT \ --disable PREEMPTION \ --disable PREEMPT_DYNAMIC fi if [ -n "$_cc_harder" ]; then echo "Enabling KBUILD_CFLAGS -O3..." scripts/config --disable CC_OPTIMIZE_FOR_PERFORMANCE \ --enable CC_OPTIMIZE_FOR_PERFORMANCE_O3 fi if [ -n "$_tcp_bbr2" ]; then echo "Disabling TCP_CONG_CUBIC..." scripts/config --module TCP_CONG_CUBIC \ --disable DEFAULT_CUBIC \ --enable TCP_CONG_BBR2 \ --enable DEFAULT_BBR2 \ --set-str DEFAULT_TCP_CONG bbr2 fi if [ -n "$_nf_cone" ]; then echo "Enabling FULLCONENAT..." scripts/config --module IP_NF_TARGET_FULLCONENAT \ --module NETFILTER_XT_TARGET_FULLCONENAT fi if [ -n "$_spf_enable" ]; then echo "Enabling SPECULATIVE_PAGE_FAULT LRU..." scripts/config --enable SPECULATIVE_PAGE_FAULT fi if [ -n "$_lru_enable" ]; then echo "Enabling multigenerational LRU..." scripts/config --enable ARCH_HAS_NONLEAF_PMD_YOUNG \ --enable LRU_GEN \ --enable LRU_GEN_ENABLED \ --disable LRU_GEN_STATS fi if [ -n "$_damon" ]; then echo "Enabling DAMON..." scripts/config --enable DAMON \ --disable DAMON_VADDR \ --disable DAMON_DBGFS \ --enable DAMON_PADDR \ --enable DAMON_RECLAIM fi if [ -n "$_lrng_enable" ]; then echo "Enabling Linux Random Number Generator ..." scripts/config --disable RANDOM_DEFAULT_IMPL \ --enable LRNG \ --enable LRNG_OVERSAMPLE_ENTROPY_SOURCES \ --set-val LRNG_OVERSAMPLE_ES_BITS 64 \ --set-val LRNG_SEED_BUFFER_INIT_ADD_BITS 128 \ --enable LRNG_IRQ \ --enable LRNG_CONTINUOUS_COMPRESSION_ENABLED \ --disable LRNG_CONTINUOUS_COMPRESSION_DISABLED \ --enable LRNG_ENABLE_CONTINUOUS_COMPRESSION \ --enable LRNG_SWITCHABLE_CONTINUOUS_COMPRESSION \ --disable LRNG_COLLECTION_SIZE_512 \ --enable LRNG_COLLECTION_SIZE_1024 \ --disable LRNG_COLLECTION_SIZE_2048 \ --disable LRNG_COLLECTION_SIZE_4096 \ --disable LRNG_COLLECTION_SIZE_8192 \ --set-val LRNG_COLLECTION_SIZE 1024 \ --enable LRNG_HEALTH_TESTS \ --set-val LRNG_RCT_CUTOFF 31 \ --set-val LRNG_APT_CUTOFF 325 \ --set-val LRNG_IRQ_ENTROPY_RATE 256 \ --enable LRNG_JENT \ --set-val LRNG_JENT_ENTROPY_RATE 16 \ --enable LRNG_CPU \ --set-val LRNG_CPU_ENTROPY_RATE 8 \ --enable LRNG_DRNG_SWITCH \ --enable LRNG_KCAPI_HASH \ --module LRNG_DRBG \ --module LRNG_KCAPI \ --enable LRNG_TESTING_MENU \ --disable LRNG_RAW_HIRES_ENTROPY \ --disable LRNG_RAW_JIFFIES_ENTROPY \ --disable LRNG_RAW_IRQ_ENTROPY \ --disable LRNG_RAW_IRQFLAGS_ENTROPY \ --disable LRNG_RAW_RETIP_ENTROPY \ --disable LRNG_RAW_REGS_ENTROPY \ --disable LRNG_RAW_ARRAY \ --disable LRNG_IRQ_PERF \ --disable LRNG_ACVT_HASH \ --enable LRNG_RUNTIME_ES_CONFIG \ --disable LRNG_RUNTIME_MAX_WO_RESEED_CONFIG \ --disable LRNG_TEST_CPU_ES_COMPRESSION \ --enable LRNG_SELFTEST \ --disable LRNG_SELFTEST_PANIC fi if [ -n "$_zstd_swap_compression" ]; then echo "Enabling zram ZSTD compression..." scripts/config --disable ZRAM_DEF_COMP_LZORLE \ --enable ZRAM_DEF_COMP_ZSTD \ --set-str ZRAM_DEF_COMP zstd \ --disable ZSWAP_COMPRESSOR_DEFAULT_LZ4 \ --enable ZSWAP_COMPRESSOR_DEFAULT_ZSTD \ --set-str ZSWAP_COMPRESSOR_DEFAULT zstd fi if [ -n "$_anbox" ]; then echo "Enable Anbox..." scripts/config --enable ASHMEM \ --enable ANDROID \ --enable ANDROID_BINDER_IPC \ --enable ANDROID_BINDERFS \ --enable ANDROID_BINDER_DEVICES="binder,hwbinder,vndbinder" fi scripts/config --disable DEBUG_INFO \ --disable DEBUG_INFO_BTF \ --disable DEBUG_INFO_DWARF4 \ --disable PAHOLE_HAS_SPLIT_BTF \ --disable DEBUG_INFO_BTF_MODULES echo "Enable USER_NS_UNPRIVILEGED" scripts/config --enable USER_NS echo "Enable WINE FASTSYNC" scripts/config --enable WINESYNC ### Optionally use running kernel's config # code originally by nous; http://aur.archlinux.org/packages.php?ID=40191 if [ -n "$_use_current" ]; then if [[ -s /proc/config.gz ]]; then echo "Extracting config from /proc/config.gz..." # modprobe configs zcat /proc/config.gz > ./.config else warning "Your kernel was not compiled with IKPROC!" warning "You cannot read the current config!" warning "Aborting!" exit fi fi ### Optionally load needed modules for the make localmodconfig # See https://aur.archlinux.org/packages/modprobed-db if [ -n "$_localmodcfg" ]; then if [ -e $HOME/.config/modprobed.db ]; then echo "Running Steven Rostedt's make localmodconfig now" make ${BUILD_FLAGS[*]} LSMOD=$HOME/.config/modprobed.db localmodconfig else echo "No modprobed.db data found" exit fi fi echo "Applying default config..." make ${BUILD_FLAGS[*]} olddefconfig make ${BUILD_FLAGS[*]} -s kernelrelease > version echo "Prepared $pkgbase version $(