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SUMMARY = "Kernel selftest for Linux"
DESCRIPTION = "Kernel selftest for Linux"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://../COPYING;md5=bbea815ee2795b2f4230826c0c6b8814"
DEPENDS = "rsync-native llvm-native"
# for musl libc
SRC_URI:append:libc-musl = "\
file://userfaultfd.patch \
"
SRC_URI += "file://run-ptest \
file://COPYING \
"
# now we just test bpf and vm
# we will append other kernel selftest in the future
# bpf was added in 4.10 with: https://github.com/torvalds/linux/commit/5aa5bd14c5f8660c64ceedf14a549781be47e53d
# if you have older kernel than that you need to remove it from PACKAGECONFIG
PACKAGECONFIG ??= "firmware"
PACKAGECONFIG:remove:x86 = "bpf"
PACKAGECONFIG:remove:arm = "bpf vm"
# host ptrace.h is used to compile BPF target but mips ptrace.h is needed
# progs/loop1.c:21:9: error: incomplete definition of type 'struct user_pt_regs'
# m = PT_REGS_RC(ctx);
# vm tests need libhugetlbfs starting 5.8+ (https://lkml.org/lkml/2020/4/22/1654)
PACKAGECONFIG:remove:qemumips = "bpf vm"
# riscv does not support libhugetlbfs yet
PACKAGECONFIG:remove:riscv64 = "vm"
PACKAGECONFIG:remove:riscv32 = "vm"
PACKAGECONFIG[bpf] = ",,elfutils libcap libcap-ng rsync-native,"
PACKAGECONFIG[firmware] = ",,libcap, bash"
PACKAGECONFIG[vm] = ",,libcap libhugetlbfs,libgcc bash"
do_patch[depends] += "virtual/kernel:do_shared_workdir"
inherit linux-kernel-base kernel-arch ptest
S = "${WORKDIR}/${BP}"
TEST_LIST = "\
${@bb.utils.filter('PACKAGECONFIG', 'bpf firmware vm', d)} \
rtc \
"
EXTRA_OEMAKE = '\
CROSS_COMPILE=${TARGET_PREFIX} \
ARCH=${ARCH} \
CC="${CC}" \
CLANG="clang -fno-stack-protector -target ${TARGET_ARCH} ${TOOLCHAIN_OPTIONS}" \
AR="${AR}" \
LD="${LD}" \
DESTDIR="${D}" \
MACHINE="${ARCH}" \
'
KERNEL_SELFTEST_SRC ?= "Makefile \
include \
kernel \
lib \
tools \
scripts \
arch \
LICENSES \
"
do_compile() {
if [ ${@bb.utils.contains('PACKAGECONFIG', 'bpf', 'True', 'False', d)} = 'True' ]; then
if [ ${@bb.utils.contains('DEPENDS', 'clang-native', 'True', 'False', d)} = 'False' ]; then
bbwarn "clang >= 6.0 with bpf support is needed with kernel 4.18+ so
either install it and add it to HOSTTOOLS, or add clang-native from meta-clang to dependency"
fi
fi
for i in ${TEST_LIST}
do
oe_runmake -C ${S}/tools/testing/selftests/${i}
done
}
do_install() {
for i in ${TEST_LIST}
do
oe_runmake -C ${S}/tools/testing/selftests/${i} INSTALL_PATH=${D}/usr/kernel-selftest/${i} install
done
if [ -e ${D}/usr/kernel-selftest/bpf/test_offload.py ]; then
sed -i -e '1s,#!.*python3,#! /usr/bin/env python3,' ${D}/usr/kernel-selftest/bpf/test_offload.py
fi
chown root:root -R ${D}/usr/kernel-selftest
}
do_configure() {
install -D -m 0644 ${WORKDIR}/COPYING ${S}/COPYING
}
do_patch[prefuncs] += "copy_kselftest_source_from_kernel remove_unrelated"
python copy_kselftest_source_from_kernel() {
sources = (d.getVar("KERNEL_SELFTEST_SRC") or "").split()
src_dir = d.getVar("STAGING_KERNEL_DIR")
dest_dir = d.getVar("S")
bb.utils.mkdirhier(dest_dir)
for s in sources:
src = oe.path.join(src_dir, s)
dest = oe.path.join(dest_dir, s)
if os.path.isdir(src):
oe.path.copytree(src, dest)
else:
bb.utils.copyfile(src, dest)
}
remove_unrelated() {
if ${@bb.utils.contains('PACKAGECONFIG','bpf','true','false',d)} ; then
test -f ${S}/tools/testing/selftests/bpf/Makefile && \
sed -i -e 's/test_pkt_access.*$/\\/' \
-e 's/test_pkt_md_access.*$/\\/' \
-e 's/sockmap_verdict_prog.*$/\\/' \
${S}/tools/testing/selftests/bpf/Makefile || \
bberror "Your kernel is probably older than 4.10 and doesn't have tools/testing/selftests/bpf/Makefile file from https://github.com/torvalds/linux/commit/5aa5bd14c5f8660c64ceedf14a549781be47e53d, disable bpf PACKAGECONFIG"
fi
}
PACKAGE_ARCH = "${MACHINE_ARCH}"
INHIBIT_PACKAGE_DEBUG_SPLIT="1"
FILES:${PN} += "/usr/kernel-selftest"
RDEPENDS:${PN} += "python3"
# tools/testing/selftests/vm/Makefile doesn't respect LDFLAGS and tools/testing/selftests/Makefile explicitly overrides to empty
INSANE_SKIP:${PN} += "ldflags"
SECURITY_CFLAGS = ""
COMPATIBLE_HOST:libc-musl = 'null'
# It has native clang/llvm dependency, poky distro is reluctant to include them as deps
# this helps with world builds on AB
EXCLUDE_FROM_WORLD = "1"
|
