summaryrefslogtreecommitdiff
blob: 67d7db55b84d4a411e4e5a254dca67ac4dba65c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-libs/libhugetlbfs/libhugetlbfs-2.17.ebuild,v 1.1 2013/11/10 03:36:05 radhermit Exp $

EAPI="4"

inherit eutils multilib toolchain-funcs

DESCRIPTION="easy hugepage access"
HOMEPAGE="http://libhugetlbfs.sourceforge.net/"
SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~ppc64 ~x86"
IUSE="static-libs"

src_prepare() {
	epatch "${FILESDIR}"/${PN}-2.9-build.patch #332517
	epatch "${FILESDIR}"/${PN}-2.6-noexec-stack.patch
	epatch "${FILESDIR}"/${PN}-2.6-fixup-testsuite.patch
	sed -i \
		-e '/^PREFIX/s:/local::' \
		-e '1iBUILDTYPE = NATIVEONLY' \
		-e '1iV = 1' \
		-e "/^LIB\(32\)/s:=.*:= $(get_libdir):" \
		-e '/^CC\(32\|64\)/s:=.*:= $(CC):' \
		Makefile
	if [ "$(get_libdir)" == "lib64" ]; then
		sed -i \
			-e "/^LIB\(32\)/s:=.*:= lib32:" \
				Makefile
	fi
}

src_compile() {
	tc-export AR
	emake CC="$(tc-getCC)" libs tools
}

src_install() {
	default
	use static-libs || rm -f "${D}"/usr/$(get_libdir)/*.a
	rm "${D}"/usr/bin/oprofile* || die
}

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 || die "Failed to build tests"

	hugeadm='obj/hugeadm'
	allocated=''
	rc=0
	# the testcases need 64MiB per pagesize.
	MIN_HUGEPAGE_RAM=$((64*1024*1024))

	einfo "Planning allocation"
	PAGESIZES="$(${hugeadm} --page-sizes-all)"

	# Need to do this before we can create the mountpoints.
	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
		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}"
	# 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
}