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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{8..10} )
inherit toolchain-funcs python-any-r1
DESCRIPTION="Easy hugepage access"
HOMEPAGE="https://github.com/libhugetlbfs/libhugetlbfs"
SRC_URI="https://github.com/libhugetlbfs/libhugetlbfs/archive/${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~s390 ~x86"
IUSE="static-libs test"
RESTRICT="!test? ( test )"
BDEPEND="test? ( ${PYTHON_DEPS} )"
PATCHES=(
"${FILESDIR}"/${PN}-2.6-fixup-testsuite.patch
"${FILESDIR}"/${PN}-2.23-uncompressed-man-pages.patch
"${FILESDIR}"/${PN}-2.23-allow-building-against-glibc-2.34.patch
)
src_prepare() {
default
sed -i \
-e '/^PREFIX/s:/local::' \
-e '1iBUILDTYPE = NATIVEONLY' \
-e '1iV = 1' \
-e '/gzip.*MANDIR/d' \
-e "/^LIB\(32\)/s:=.*:= $(get_libdir):" \
-e '/^CC\(32\|64\)/s:=.*:= $(CC):' \
-e 's@^\(ARCH\) ?=@\1 =@' \
Makefile || die "sed failed"
if [[ "$(get_libdir)" == "lib64" ]]; then
sed -i \
-e "/^LIB\(32\)/s:=.*:= lib32:" \
Makefile
fi
# Tarballs from github don't have the version set.
# https://github.com/libhugetlbfs/libhugetlbfs/issues/7
[[ -f version ]] || echo "${PV}" > version
}
src_test_alloc_one() {
hugeadm="${1}"
sign="${2}"
pagesize="${3}"
pagecount="${4}"
${hugeadm} \
--pool-pages-max ${pagesize}:${sign}${pagecount} \
&& \
${hugeadm} \
--pool-pages-min ${pagesize}:${sign}${pagecount}
return $?
}
# die is NOT allowed in this src_test block after the marked point, so that we
# can clean up memory allocation. You'll leak at LEAST 64MiB per run otherwise.
src_test() {
[[ ${UID} -eq 0 ]] || die "Need FEATURES=-userpriv to run this testsuite"
einfo "Building testsuite"
emake -j1 tests
local hugeadm='obj/hugeadm'
local allocated=''
local rc=0
# the testcases need 64MiB per pagesize.
local MIN_HUGEPAGE_RAM=$((64*1024*1024))
einfo "Planning allocation"
local PAGESIZES="$(${hugeadm} --page-sizes-all)"
# Need to do this before we can create the mountpoints.
local pagesize pagecount
for pagesize in ${PAGESIZES} ; do
# The kernel depends on the location :-(
mkdir -p /var/lib/hugetlbfs/pagesize-${pagesize}
addwrite /var/lib/hugetlbfs/pagesize-${pagesize}
done
addwrite /proc/sys/vm/
addwrite /proc/sys/kernel/shmall
addwrite /proc/sys/kernel/shmmax
addwrite /proc/sys/kernel/shmmni
einfo "Checking HugeTLB mountpoints"
${hugeadm} --create-mounts || die "Failed to set up hugetlb mountpoints."
# -----------------------------------------------------
# --------- die is unsafe after this point. -----------
# -----------------------------------------------------
einfo "Starting allocation"
for pagesize in ${PAGESIZES} ; do
pagecount=$((${MIN_HUGEPAGE_RAM}/${pagesize}))
einfo " ${pagecount} @ ${pagesize}"
addwrite /var/lib/hugetlbfs/pagesize-${pagesize}
src_test_alloc_one "${hugeadm}" "+" "${pagesize}" "${pagecount}"
rc=$?
if [[ ${rc} -eq 0 ]]; then
allocated="${allocated} ${pagesize}:${pagecount}"
else
eerror "Failed to add ${pagecount} pages of size ${pagesize}"
fi
done
einfo "Allocation status"
${hugeadm} --pool-list
if [[ -n "${allocated}" ]]; then
# All our allocations worked, so time to run.
einfo "Starting tests"
cd "${S}"/tests || die
local TESTOPTS="-t func"
case ${ARCH} in
amd64|ppc64)
TESTOPTS="${TESTOPTS} -b 64"
;;
x86)
TESTOPTS="${TESTOPTS} -b 32"
;;
esac
# This needs a bit of work to give a nice exit code still.
./run_tests.py ${TESTOPTS}
rc=$?
else
eerror "Failed to make HugeTLB allocations."
rc=1
fi
einfo "Cleaning up memory"
cd "${S}" || die
# Cleanup memory allocation
for alloc in ${allocated} ; do
pagesize="${alloc/:*}"
pagecount="${alloc/*:}"
einfo " ${pagecount} @ ${pagesize}"
src_test_alloc_one "${hugeadm}" "-" "${pagesize}" "${pagecount}"
done
# ---------------------------------------------------------
# --------- die is safe again after this point. -----------
# ---------------------------------------------------------
return ${rc}
}
src_compile() {
tc-export AR
emake CC="$(tc-getCC)" libs tools
}
src_install() {
default
use static-libs || rm -f "${ED}"/usr/$(get_libdir)/*.a
}
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