commit:     f670c8d44348e03d4d3f1e349aa39843cafb5608
Author:     Anthony G. Basile <blueness <AT> gentoo <DOT> org>
AuthorDate: Tue Jun 28 17:48:17 2016 +0000
Commit:     Anthony G. Basile <blueness <AT> gentoo <DOT> org>
CommitDate: Tue Jun 28 17:48:17 2016 +0000
URL:        https://gitweb.gentoo.org/repo/proj/ppc64le.git/commit/?id=f670c8d4

dev-utils/perf: copy from tree

 dev-utils/perf/Manifest                      |  10 ++
 dev-utils/perf/files/perf-4.1.5-prefix.patch |  43 ++++++
 dev-utils/perf/metadata.xml                  |  29 ++++
 dev-utils/perf/perf-3.12.ebuild              | 178 +++++++++++++++++++++++++
 dev-utils/perf/perf-3.13.1-r1.ebuild         | 183 +++++++++++++++++++++++++
 dev-utils/perf/perf-3.15.5.ebuild            | 183 +++++++++++++++++++++++++
 dev-utils/perf/perf-3.8-r1.ebuild            | 170 ++++++++++++++++++++++++
 dev-utils/perf/perf-4.1.5-r1.ebuild          | 191 +++++++++++++++++++++++++++
 dev-utils/perf/perf-4.4.4.ebuild             | 185 ++++++++++++++++++++++++++
 9 files changed, 1172 insertions(+)

diff --git a/dev-utils/perf/Manifest b/dev-utils/perf/Manifest
new file mode 100644
index 0000000..e756632
--- /dev/null
+++ b/dev-utils/perf/Manifest
@@ -0,0 +1,10 @@
+DIST linux-3.12.tar.bz2 91111381 SHA256 
43129defd9079c99cf5e57506d36b6b01614c734a5ed9e604d3a7c1510ab8b22 SHA512 
bea14d044c8a0257d8312f45db6a39ca4f9dffe8ac32a11198e90762ee1735c8b6975bb81c635a4755d451793fa7c7e5b2d7d692c9e57133b15b4cdc941febf1
 WHIRLPOOL 
1889c3f689cf305856112f350e3901175b9f6c4f1e4143d62b40e502000685ade3e75b211a8a9fd948f6225e1c57a68cae10ceb649ff7976981089290d562926
+DIST linux-3.13.tar.xz 77187032 SHA256 
4d5e5eee5f276424c32e9591f1b6c971baedc7b49f28ce03d1f48b1e5d6226a2 SHA512 
1ba223bb4b885d691a67196d86a8aaf7b4a1c351bf2a762f50f1b0c32da00dd0c28895872a66b49e8d244498d996876609268e64861d28ac4048886ef9f79b87
 WHIRLPOOL 
2992257a17e85b3eb16fcaf21678fa6dbf31f80c2099fd1ad0ff9852ac1d16122ac8e2c0b46421d8895d4368253a724e439cd625307ee7af7bd1e50cb2c9b62a
+DIST linux-3.15.tar.xz 79676484 SHA256 
c3927e87be4040fa8aca1b58663dc0776aaf00485604ff88a623be2f3fb07794 SHA512 
d5dc477cad4584e56e2e2ef9e0950c2b22e76e5cf5090a896ba099cb7c5e5db1853a4aeb96b199189653dc66d461557e95198e37516a619f7ddc01ba6b308e02
 WHIRLPOOL 
7f3dfde1a23aab75b7f40770ae2ca77c1b28f845e4abe6296b2aec9b56fe94f7afa76b00eb6cc7475305c31b726ebeb4643107dd48c12ac04c933cf1856b8e77
+DIST linux-3.8.tar.bz2 84623657 SHA256 
fce774b5313e73949cb35f128e91e7b2ccd7fa2438abc5cff69267e504395a45 SHA512 
966a3b08aecc4b135a48ea73ba3326e1710c455e6da29693479e9d1a56663fc10f569e2342fa861486d39d4ea5c2af406d1bd40613c15555acffdba160ef7ba9
 WHIRLPOOL 
a83baa904c78f71fed5e4cf2607b8e6d1db70a4137b5c00b3cc5f60f04042724faa3cfec36a781417d483548ba0c811f559e82146806edacd1c2fe90bd398e64
+DIST linux-4.1.tar.xz 83017828 SHA256 
caf51f085aac1e1cea4d00dbbf3093ead07b551fc07b31b2a989c05f8ea72d9f SHA512 
168ef84a4e67619f9f53f3574e438542a5747f9b43443363cb83597fcdac9f40d201625c66e375a23226745eaada9176eb006ca023613cec089349e91751f3c0
 WHIRLPOOL 
85fcfdb67ea7f865272a85d3b4c3ec1f5a1267f4664bf073c562bb3875e9d96ad68486259d8866a9aced98c95de16840ec531d89745aec75b7315a64ebe650b8
+DIST linux-4.4.tar.xz 87295988 SHA256 
401d7c8fef594999a460d10c72c5a94e9c2e1022f16795ec51746b0d165418b2 SHA512 
13c8459933a8b80608e226a1398e3d1848352ace84bcfb7e6a4a33cb230bbe1ab719d4b58e067283df91ce5311be6d2d595fc8c19e2ae6ecc652499415614b3e
 WHIRLPOOL 
02abc203d867404b9934aaa4c1e5b5dcbb0b0021e91a03f3a7e7fd224eed106821d8b4949f32a590536db150e5a88c16fcde88538777a26d0c17900f0257b1bc
+DIST patch-3.13.1.xz 2884 SHA256 
74a093b2cacddac0a105e0989b7bf0e9829b9923e2d71ca10382e90324a17e74 SHA512 
164235a15e6a984e9aeaf9fe475a8b2975d5e4c4b28dd4ecf99064b0f0c72eea766d925340f1a7232cabcbd23d26773527c300b6d995bf5cde18a276208fdccc
 WHIRLPOOL 
0ea0118960970b7d6465445252e7a21a6aeb494c0afefec5f52a68c0b7e0d63fd2ed59a3877fbe9ebd282ac03812235b021534866efa8f46d549b6f70228e4b6
+DIST patch-3.15.5.xz 122232 SHA256 
9b0d000e0bdec7a25ee6303afdab8d2af77439995876eadd6ce248e5c954037d SHA512 
6831200503334e839c3cccdad29058aecc0205171cc5b75205d0a2aada8636633889ebff35d9677d4567bbaeea249efc83571e016104cd67554fe72b3b405755
 WHIRLPOOL 
56e1e817c08b4557e18b34d148d8ffd0f73bf8dec92f2339ca9413ca2143b65ec35f6d48c87e37f140226e57d7df33f06d6c53a48dafa7ddf090a839fdabe024
+DIST patch-4.1.5.xz 170056 SHA256 
b495cf8a7b978986dd2b757b687751c62f635d15cc2228edb80934bc0d449dcc SHA512 
1325cdb35ea1f277d513932af37804f788b96ae63b94cedeb3c9b916ee8963bbd6aca5d0e13279e36a81f1de06005c5f3666ecfc845609932686f261fa4250c5
 WHIRLPOOL 
291ddfcde395c3d201a8172f7281ac560167a8bce78d3196b47e4c7be759545282cc1104fc7b2edc95d90250a834cc23103199275bc8c6974bd4229dd530d1a3
+DIST patch-4.4.4.xz 200972 SHA256 
9061d8f57cc25d760387c4e6b7d5cceacaa808e8784a3e478012e7c2949853c8 SHA512 
c206af7803cb0915fbe2bd27ed33282452db3fbd3070c73e4c7147443efd3c7588fb3be12d0abc08742381fbe892190602b29147684630aa9e6ff5e9efa49dbc
 WHIRLPOOL 
e6a004e32eecca1507354f97d3de85a07c1b9512fe3d4d87173e6d39c02ef1c2411abd0c26b6a077cd5eaefde11dd201445f72b9a0cf185e76635bdcc36df8dd

diff --git a/dev-utils/perf/files/perf-4.1.5-prefix.patch 
b/dev-utils/perf/files/perf-4.1.5-prefix.patch
new file mode 100644
index 0000000..0c4dff0
--- /dev/null
+++ b/dev-utils/perf/files/perf-4.1.5-prefix.patch
@@ -0,0 +1,43 @@
+commit 75e84ab906ef8935cff3df3d8929f1bafea81599
+Author: Lukas Wunner <[email protected]>
+Date:   Thu Jun 18 13:00:32 2015 +0200
+
+    perf tools: Fix build breakage if prefix= is specified
+    
+    Invoking Makefile.perf with prefix= breaks the build since Makefile.perf
+    hands that variable down to Makefile.build where it overrides
+    
+        prefix       := $(subst ./,,$(OUTPUT)$(dir)/)
+    
+    leading to errors like this:
+    
+        No rule to make target '/usrabspath.o', needed by '/usrlibperf-in.o'
+    
+    Signed-off-by: Lukas Wunner <[email protected]>
+    Acked-by: Jiri Olsa <[email protected]>
+    Cc: David Ahern <[email protected]>
+    Fixes: c819e2cf2eb6f65d3208d195d7a0edef6108d5
+    Link: 
http://lkml.kernel.org/r/[email protected]
+    Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
+
+diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
+index 10df572..98cfc38 100644
+--- a/tools/build/Makefile.build
++++ b/tools/build/Makefile.build
+@@ -94,12 +94,12 @@ obj-y        := $(patsubst %/, %/$(obj)-in.o, $(obj-y))
+ subdir-obj-y := $(filter %/$(obj)-in.o, $(obj-y))
+ 
+ # '$(OUTPUT)/dir' prefix to all objects
+-prefix       := $(subst ./,,$(OUTPUT)$(dir)/)
+-obj-y        := $(addprefix $(prefix),$(obj-y))
+-subdir-obj-y := $(addprefix $(prefix),$(subdir-obj-y))
++objprefix    := $(subst ./,,$(OUTPUT)$(dir)/)
++obj-y        := $(addprefix $(objprefix),$(obj-y))
++subdir-obj-y := $(addprefix $(objprefix),$(subdir-obj-y))
+ 
+ # Final '$(obj)-in.o' object
+-in-target := $(prefix)$(obj)-in.o
++in-target := $(objprefix)$(obj)-in.o
+ 
+ PHONY += $(subdir-y)
+ 

diff --git a/dev-utils/perf/metadata.xml b/dev-utils/perf/metadata.xml
new file mode 100644
index 0000000..ec35d2e
--- /dev/null
+++ b/dev-utils/perf/metadata.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd";>
+<pkgmetadata>
+  <maintainer type="person">
+    <email>[email protected]</email>
+  </maintainer>
+  <use>
+    <flag name="demangle">
+      Enable C++ symbol name demangling, using libbfd from
+      <pkg>sys-devel/binutils</pkg>. When this flag is enabled, the
+      package will have to be rebuilt after every version bump of
+      binutils.
+    </flag>
+    <flag name="doc">
+      Build documentation and man pages. With this USE flag disabled,
+      the --help parameter for perf and its sub-tools will not be
+      available. This is optional because it depends on a few
+      documentation handling tools that are not always welcome on user
+      systems.
+    </flag>
+       <flag name="numa">Enable NUMA support</flag>
+    <flag name="perl">
+      Add support for Perl as a scripting language for perf tools.
+    </flag>
+    <flag name="unwind">
+      Use sys-libs/libunwind for frame unwinding support.
+    </flag>
+  </use>
+</pkgmetadata>

diff --git a/dev-utils/perf/perf-3.12.ebuild b/dev-utils/perf/perf-3.12.ebuild
new file mode 100644
index 0000000..17af617
--- /dev/null
+++ b/dev-utils/perf/perf-3.12.ebuild
@@ -0,0 +1,178 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 )
+inherit versionator eutils toolchain-funcs python-single-r1 linux-info
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Userland tools for Linux Performance Counters"
+HOMEPAGE="https://perf.wiki.kernel.org/";
+
+LINUX_V="${PV:0:1}.x"
+if [[ ${PV/_rc} != ${PV} ]] ; then
+       LINUX_VER=$(get_version_component_range 
1-2).$(($(get_version_component_range 3)-1))
+       PATCH_VERSION=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV//_/-}.bz2
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
+               
mirror://kernel/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
+elif [[ $(get_version_component_count) == 4 ]] ; then
+       # stable-release series
+       LINUX_VER=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV}.bz2
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+else
+       LINUX_VER=${PV}
+       SRC_URI=""
+fi
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.bz2"
+SRC_URI+=" mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~ppc ~x86"
+IUSE="audit +demangle +doc perl python slang unwind"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="audit? ( sys-process/audit )
+       demangle? ( sys-devel/binutils )
+       perl? ( dev-lang/perl )
+       slang? ( dev-libs/newt )
+       unwind? ( sys-libs/libunwind )
+       dev-libs/elfutils"
+DEPEND="${RDEPEND}
+       ${LINUX_PATCH+dev-util/patchutils}
+       sys-devel/bison
+       sys-devel/flex
+       doc? (
+               app-text/asciidoc
+               app-text/sgml-common
+               app-text/xmlto
+               sys-process/time
+       )
+       python? ( ${PYTHON_DEPS} )"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/perf"
+
+CONFIG_CHECK="~PERF_EVENTS ~KALLSYMS"
+
+pkg_setup() {
+       linux-info_pkg_setup
+       use python && python-single-r1_pkg_setup
+}
+
+src_unpack() {
+       local paths=( tools/perf tools/scripts tools/lib include lib 
"arch/*/include" "arch/*/lib" )
+
+       # We expect the tar implementation to support the -j option (both
+       # GNU tar and libarchive's tar support that).
+       echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+       tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+               "${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               eshopts_push -o noglob
+               ebegin "Filtering partial source patch"
+               filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} 
> ${P}.patch || die
+               eend $? || die "filterdiff failed"
+               eshopts_pop
+       fi
+
+       local a
+       for a in ${A}; do
+               [[ ${a} == ${LINUX_SOURCES} ]] && continue
+               [[ ${a} == ${LINUX_PATCH} ]] && continue
+               unpack ${a}
+       done
+}
+
+src_prepare() {
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               cd "${S_K}"
+               epatch "${WORKDIR}"/${P}.patch
+       fi
+
+       # Drop some upstream too-developer-oriented flags and fix the
+       # Makefile in general
+       sed -i \
+               -e 's:-Werror::' \
+               -e 's:-ggdb3::' \
+               -e 's:-fstack-protector-all::' \
+               -e 's:^LDFLAGS =:EXTLIBS +=:' \
+               -e '/\(PERL\|PYTHON\)_EMBED_LDOPTS/s:ALL_LDFLAGS +=:EXTLIBS 
+=:' \
+               -e '/-x c - /s:\$(ALL_LDFLAGS):\0 $(EXTLIBS):' \
+               -e '/^ALL_CFLAGS =/s:$: $(CFLAGS_OPTIMIZE):' \
+               -e '/^ALL_LDFLAGS =/s:$: $(LDFLAGS_OPTIMIZE):' \
+               -e 
's:$(sysconfdir_SQ)/bash_completion.d:/usr/share/bash-completion:' \
+               "${S}"/Makefile || die
+       sed -i -e 's:-Werror::' "${S_K}"/tools/lib/lk/Makefile || die
+       sed -i \
+               -e '/.FORCE-PERF-VERSION-FILE/s,.FORCE-PERF-VERSION-FILE,,g' \
+               "${S}"/Makefile \
+               "${S}"/Documentation/Makefile || die
+
+       # Avoid the call to make kernelversion
+       echo "#define PERF_VERSION \"${MY_PV}\"" > PERF-VERSION-FILE
+
+       # The code likes to compile local assembly files which lack ELF 
markings.
+       find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' 
{} +
+}
+
+puse() { usex $1 "" no; }
+perf_make() {
+       # The arch parsing is a bit funky.  The perf tools package is integrated
+       # into the kernel, so it wants an ARCH that looks like the kernel arch,
+       # but it also wants to know about the split value -- i386/x86_64 vs just
+       # x86.  We can get that by telling the func to use an older linux 
version.
+       # It's kind of a hack, but not that bad ...
+       local arch=$(KV=2.6.23 tc-arch-kernel)
+       emake -j1 V=1 \
+               CC="$(tc-getCC)" AR="$(tc-getAR)" \
+               prefix="/usr" bindir_relative="sbin" \
+               CFLAGS_OPTIMIZE="${CFLAGS}" \
+               LDFLAGS_OPTIMIZE="${LDFLAGS}" \
+               ARCH="${arch}" \
+               NO_DEMANGLE=$(puse demangle) \
+               NO_LIBAUDIT=$(puse audit) \
+               NO_LIBPERL=$(puse perl) \
+               NO_LIBPYTHON=$(puse python) \
+               NO_LIBUNWIND=$(puse unwind) \
+               NO_NEWT=$(puse slang) \
+               WERROR=0 \
+               "$@"
+}
+
+src_compile() {
+       perf_make
+       use doc && perf_make -C Documentation
+}
+
+src_test() {
+       :
+}
+
+src_install() {
+       perf_make install DESTDIR="${D}"
+
+       dodoc CREDITS
+
+       dodoc *txt Documentation/*.txt
+       if use doc ; then
+               dohtml Documentation/*.html
+               doman Documentation/*.1
+       fi
+}
+
+pkg_postinst() {
+       if ! use doc ; then
+               elog "Without the doc USE flag you won't get any documentation 
nor man pages."
+               elog "And without man pages, you won't get any --help output 
for perf and its"
+               elog "sub-tools."
+       fi
+}

diff --git a/dev-utils/perf/perf-3.13.1-r1.ebuild 
b/dev-utils/perf/perf-3.13.1-r1.ebuild
new file mode 100644
index 0000000..e11af3b
--- /dev/null
+++ b/dev-utils/perf/perf-3.13.1-r1.ebuild
@@ -0,0 +1,183 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 )
+inherit versionator eutils toolchain-funcs python-single-r1 linux-info
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Userland tools for Linux Performance Counters"
+HOMEPAGE="https://perf.wiki.kernel.org/";
+
+LINUX_V="${PV:0:1}.x"
+if [[ ${PV} == *_rc* ]] ; then
+       LINUX_VER=$(get_version_component_range 
1-2).$(($(get_version_component_range 3)-1))
+       PATCH_VERSION=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV//_/-}.xz
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
+               
mirror://kernel/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
+else
+       VER_COUNT=$(get_version_component_count)
+       if [[ ${VER_COUNT} -gt 2 ]] ; then
+               # stable-release series
+               LINUX_VER=$(get_version_component_range 1-2)
+               LINUX_PATCH=patch-${PV}.xz
+               
SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+       else
+               LINUX_VER=${PV}
+               SRC_URI=""
+       fi
+fi
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
+SRC_URI+=" mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~mips ~ppc ~x86"
+IUSE="audit +demangle +doc gtk perl python slang unwind"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="audit? ( sys-process/audit )
+       demangle? ( sys-devel/binutils )
+       gtk? ( x11-libs/gtk+:2 )
+       perl? ( dev-lang/perl )
+       slang? ( dev-libs/newt )
+       unwind? ( sys-libs/libunwind )
+       dev-libs/elfutils"
+DEPEND="${RDEPEND}
+       ${LINUX_PATCH+dev-util/patchutils}
+       sys-devel/bison
+       sys-devel/flex
+       doc? (
+               app-text/asciidoc
+               app-text/sgml-common
+               app-text/xmlto
+               sys-process/time
+       )
+       python? ( ${PYTHON_DEPS} )"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/perf"
+
+CONFIG_CHECK="~PERF_EVENTS ~KALLSYMS"
+
+pkg_setup() {
+       linux-info_pkg_setup
+       use python && python-single-r1_pkg_setup
+}
+
+src_unpack() {
+       local paths=( tools/perf tools/scripts tools/lib include lib 
"arch/*/include" "arch/*/lib" )
+
+       # We expect the tar implementation to support the -j option (both
+       # GNU tar and libarchive's tar support that).
+       echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+       tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+               "${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               eshopts_push -o noglob
+               ebegin "Filtering partial source patch"
+               filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} 
> ${P}.patch || die
+               eend $? || die "filterdiff failed"
+               eshopts_pop
+       fi
+
+       local a
+       for a in ${A}; do
+               [[ ${a} == ${LINUX_SOURCES} ]] && continue
+               [[ ${a} == ${LINUX_PATCH} ]] && continue
+               unpack ${a}
+       done
+}
+
+src_prepare() {
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               cd "${S_K}"
+               epatch "${WORKDIR}"/${P}.patch
+       fi
+
+       # Drop some upstream too-developer-oriented flags and fix the
+       # Makefile in general
+       sed -i \
+               -e 's:-Werror::' \
+               -e 's:-ggdb3::' \
+               -e 's:-fstack-protector-all::' \
+               -e 's:^LDFLAGS =:EXTLIBS +=:' \
+               -e '/\(PERL\|PYTHON\)_EMBED_LDOPTS/s:ALL_LDFLAGS +=:EXTLIBS 
+=:' \
+               -e '/-x c - /s:\$(ALL_LDFLAGS):\0 $(EXTLIBS):' \
+               -e '/^ALL_CFLAGS =/s:$: $(CFLAGS_OPTIMIZE):' \
+               -e '/^ALL_LDFLAGS =/s:$: $(LDFLAGS_OPTIMIZE):' \
+               -e 
's:$(sysconfdir_SQ)/bash_completion.d:/usr/share/bash-completion:' \
+               "${S}"/Makefile || die
+       sed -i -e 's:-Werror::' "${S_K}"/tools/lib/lk/Makefile || die
+       sed -i \
+               -e '/.FORCE-PERF-VERSION-FILE/s,.FORCE-PERF-VERSION-FILE,,g' \
+               "${S}"/Makefile \
+               "${S}"/Documentation/Makefile || die
+
+       # Avoid the call to make kernelversion
+       echo "#define PERF_VERSION \"${MY_PV}\"" > PERF-VERSION-FILE
+
+       # The code likes to compile local assembly files which lack ELF 
markings.
+       find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' 
{} +
+}
+
+puse() { usex $1 "" no; }
+perf_make() {
+       # The arch parsing is a bit funky.  The perf tools package is integrated
+       # into the kernel, so it wants an ARCH that looks like the kernel arch,
+       # but it also wants to know about the split value -- i386/x86_64 vs just
+       # x86.  We can get that by telling the func to use an older linux 
version.
+       # It's kind of a hack, but not that bad ...
+       local arch=$(KV=2.6.23 tc-arch-kernel)
+       emake V=1 \
+               CC="$(tc-getCC)" AR="$(tc-getAR)" \
+               prefix="/usr" bindir_relative="bin" \
+               CFLAGS_OPTIMIZE="${CFLAGS}" \
+               LDFLAGS_OPTIMIZE="${LDFLAGS}" \
+               ARCH="${arch}" \
+               NO_DEMANGLE=$(puse demangle) \
+               NO_GTK2=$(puse gtk) \
+               NO_LIBAUDIT=$(puse audit) \
+               NO_LIBPERL=$(puse perl) \
+               NO_LIBPYTHON=$(puse python) \
+               NO_LIBUNWIND=$(puse unwind) \
+               NO_NEWT=$(puse slang) \
+               WERROR=0 \
+               "$@"
+}
+
+src_compile() {
+       perf_make -f Makefile.perf
+       use doc && perf_make -C Documentation
+}
+
+src_test() {
+       :
+}
+
+src_install() {
+       perf_make -f Makefile.perf install DESTDIR="${D}"
+
+       dodoc CREDITS
+
+       dodoc *txt Documentation/*.txt
+       if use doc ; then
+               dohtml Documentation/*.html
+               doman Documentation/*.1
+       fi
+}
+
+pkg_postinst() {
+       if ! use doc ; then
+               elog "Without the doc USE flag you won't get any documentation 
nor man pages."
+               elog "And without man pages, you won't get any --help output 
for perf and its"
+               elog "sub-tools."
+       fi
+}

diff --git a/dev-utils/perf/perf-3.15.5.ebuild 
b/dev-utils/perf/perf-3.15.5.ebuild
new file mode 100644
index 0000000..ee4515c
--- /dev/null
+++ b/dev-utils/perf/perf-3.15.5.ebuild
@@ -0,0 +1,183 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 )
+inherit versionator eutils toolchain-funcs python-single-r1 linux-info
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Userland tools for Linux Performance Counters"
+HOMEPAGE="https://perf.wiki.kernel.org/";
+
+LINUX_V="${PV:0:1}.x"
+if [[ ${PV} == *_rc* ]] ; then
+       LINUX_VER=$(get_version_component_range 
1-2).$(($(get_version_component_range 3)-1))
+       PATCH_VERSION=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV//_/-}.xz
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
+               
mirror://kernel/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
+else
+       VER_COUNT=$(get_version_component_count)
+       if [[ ${VER_COUNT} -gt 2 ]] ; then
+               # stable-release series
+               LINUX_VER=$(get_version_component_range 1-2)
+               LINUX_PATCH=patch-${PV}.xz
+               
SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+       else
+               LINUX_VER=${PV}
+               SRC_URI=""
+       fi
+fi
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
+SRC_URI+=" mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~ppc ~x86"
+IUSE="audit debug +demangle +doc gtk perl python slang unwind"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="audit? ( sys-process/audit )
+       demangle? ( sys-devel/binutils )
+       gtk? ( x11-libs/gtk+:2 )
+       perl? ( dev-lang/perl )
+       slang? ( dev-libs/newt )
+       unwind? ( sys-libs/libunwind )
+       dev-libs/elfutils"
+DEPEND="${RDEPEND}
+       ${LINUX_PATCH+dev-util/patchutils}
+       sys-devel/bison
+       sys-devel/flex
+       doc? (
+               app-text/asciidoc
+               app-text/sgml-common
+               app-text/xmlto
+               sys-process/time
+       )
+       python? ( ${PYTHON_DEPS} )"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/perf"
+
+CONFIG_CHECK="~PERF_EVENTS ~KALLSYMS"
+
+pkg_setup() {
+       linux-info_pkg_setup
+       use python && python-single-r1_pkg_setup
+}
+
+src_unpack() {
+       local paths=( tools/perf tools/scripts tools/include tools/lib include 
lib "arch/*/include" "arch/*/lib" )
+
+       # We expect the tar implementation to support the -j option (both
+       # GNU tar and libarchive's tar support that).
+       echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+       tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+               "${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               eshopts_push -o noglob
+               ebegin "Filtering partial source patch"
+               filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} 
> ${P}.patch || die
+               eend $? || die "filterdiff failed"
+               eshopts_pop
+       fi
+
+       local a
+       for a in ${A}; do
+               [[ ${a} == ${LINUX_SOURCES} ]] && continue
+               [[ ${a} == ${LINUX_PATCH} ]] && continue
+               unpack ${a}
+       done
+}
+
+src_prepare() {
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               cd "${S_K}"
+               epatch "${WORKDIR}"/${P}.patch
+       fi
+
+       # Drop some upstream too-developer-oriented flags and fix the
+       # Makefile in general
+       sed -i \
+               -e 's:-Werror::' \
+               -e 's:-ggdb3::' \
+               -e 's:-fstack-protector-all::' \
+               -e 's:^LDFLAGS =:EXTLIBS +=:' \
+               -e '/\(PERL\|PYTHON\)_EMBED_LDOPTS/s:ALL_LDFLAGS +=:EXTLIBS 
+=:' \
+               -e '/-x c - /s:\$(ALL_LDFLAGS):\0 $(EXTLIBS):' \
+               -e '/^ALL_CFLAGS =/s:$: $(CFLAGS_OPTIMIZE):' \
+               -e '/^ALL_LDFLAGS =/s:$: $(LDFLAGS_OPTIMIZE):' \
+               -e 
's:$(sysconfdir_SQ)/bash_completion.d:/usr/share/bash-completion:' \
+               "${S}"/Makefile || die
+       sed -i -e 's:-Werror::' "${S_K}"/tools/lib/api/Makefile || die
+       sed -i \
+               -e '/.FORCE-PERF-VERSION-FILE/s,.FORCE-PERF-VERSION-FILE,,g' \
+               "${S}"/Makefile \
+               "${S}"/Documentation/Makefile || die
+
+       # Avoid the call to make kernelversion
+       echo "#define PERF_VERSION \"${MY_PV}\"" > PERF-VERSION-FILE
+
+       # The code likes to compile local assembly files which lack ELF 
markings.
+       find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' 
{} +
+}
+
+puse() { usex $1 "" no; }
+perf_make() {
+       # The arch parsing is a bit funky.  The perf tools package is integrated
+       # into the kernel, so it wants an ARCH that looks like the kernel arch,
+       # but it also wants to know about the split value -- i386/x86_64 vs just
+       # x86.  We can get that by telling the func to use an older linux 
version.
+       # It's kind of a hack, but not that bad ...
+       local arch=$(KV=2.6.23 tc-arch-kernel)
+       emake V=1 \
+               CC="$(tc-getCC)" AR="$(tc-getAR)" \
+               prefix="/usr" bindir_relative="bin" \
+               CFLAGS_OPTIMIZE="${CFLAGS}" \
+               LDFLAGS_OPTIMIZE="${LDFLAGS}" \
+               ARCH="${arch}" \
+               NO_DEMANGLE=$(puse demangle) \
+               NO_GTK2=$(puse gtk) \
+               NO_LIBAUDIT=$(puse audit) \
+               NO_LIBPERL=$(puse perl) \
+               NO_LIBPYTHON=$(puse python) \
+               NO_LIBUNWIND=$(puse unwind) \
+               NO_NEWT=$(puse slang) \
+               WERROR=0 \
+               "$@"
+}
+
+src_compile() {
+       perf_make -f Makefile.perf
+       use doc && perf_make -C Documentation
+}
+
+src_test() {
+       :
+}
+
+src_install() {
+       perf_make -f Makefile.perf install DESTDIR="${D}"
+
+       dodoc CREDITS
+
+       dodoc *txt Documentation/*.txt
+       if use doc ; then
+               dohtml Documentation/*.html
+               doman Documentation/*.1
+       fi
+}
+
+pkg_postinst() {
+       if ! use doc ; then
+               elog "Without the doc USE flag you won't get any documentation 
nor man pages."
+               elog "And without man pages, you won't get any --help output 
for perf and its"
+               elog "sub-tools."
+       fi
+}

diff --git a/dev-utils/perf/perf-3.8-r1.ebuild 
b/dev-utils/perf/perf-3.8-r1.ebuild
new file mode 100644
index 0000000..1f72038
--- /dev/null
+++ b/dev-utils/perf/perf-3.8-r1.ebuild
@@ -0,0 +1,170 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="4"
+
+PYTHON_DEPEND="python? 2"
+inherit versionator eutils toolchain-funcs python linux-info
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Userland tools for Linux Performance Counters"
+HOMEPAGE="https://perf.wiki.kernel.org/";
+
+LINUX_V="${PV:0:1}.x"
+if [[ ${PV/_rc} != ${PV} ]] ; then
+       LINUX_VER=$(get_version_component_range 
1-2).$(($(get_version_component_range 3)-1))
+       PATCH_VERSION=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV//_/-}.bz2
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
+               
mirror://kernel/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
+elif [[ $(get_version_component_count) == 4 ]] ; then
+       # stable-release series
+       LINUX_VER=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV}.bz2
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+else
+       LINUX_VER=${PV}
+       SRC_URI=""
+fi
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.bz2"
+SRC_URI+=" mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~mips ~ppc ~x86"
+IUSE="audit +demangle +doc perl python slang unwind"
+
+RDEPEND="audit? ( sys-process/audit )
+       demangle? ( sys-devel/binutils )
+       perl? ( dev-lang/perl )
+       slang? ( dev-libs/newt )
+       unwind? ( sys-libs/libunwind )
+       dev-libs/elfutils"
+DEPEND="${RDEPEND}
+       ${LINUX_PATCH+dev-util/patchutils}
+       sys-devel/bison
+       sys-devel/flex
+       doc? (
+               app-text/asciidoc
+               app-text/sgml-common
+               app-text/xmlto
+               sys-process/time
+       )"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/perf"
+
+CONFIG_CHECK="~PERF_EVENTS ~KALLSYMS"
+
+pkg_setup() {
+       linux-info_pkg_setup
+       use python && python_set_active_version 2
+}
+
+src_unpack() {
+       local paths=( tools/perf tools/scripts tools/lib include lib 
"arch/*/include" "arch/*/lib" )
+
+       # We expect the tar implementation to support the -j option (both
+       # GNU tar and libarchive's tar support that).
+       echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+       tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+               "${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               eshopts_push -o noglob
+               ebegin "Filtering partial source patch"
+               filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} 
> ${P}.patch || die
+               eend $? || die "filterdiff failed"
+               eshopts_pop
+       fi
+
+       local a
+       for a in ${A}; do
+               [[ ${a} == ${LINUX_SOURCES} ]] && continue
+               [[ ${a} == ${LINUX_PATCH} ]] && continue
+               unpack ${a}
+       done
+}
+
+src_prepare() {
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               cd "${S_K}"
+               epatch "${WORKDIR}"/${P}.patch
+       fi
+
+       # Drop some upstream too-developer-oriented flags and fix the
+       # Makefile in general
+       sed -i \
+               -e 's:-Werror::' \
+               -e 's:-ggdb3::' \
+               -e 's:-fstack-protector-all::' \
+               -e 's:^LDFLAGS =:EXTLIBS +=:' \
+               -e '/\(PERL\|PYTHON\)_EMBED_LDOPTS/s:ALL_LDFLAGS +=:EXTLIBS 
+=:' \
+               -e '/-x c - /s:\$(ALL_LDFLAGS):\0 $(EXTLIBS):' \
+               -e '/^ALL_CFLAGS =/s:$: $(CFLAGS_OPTIMIZE):' \
+               -e '/^ALL_LDFLAGS =/s:$: $(LDFLAGS_OPTIMIZE):' \
+               -e 
's:$(sysconfdir_SQ)/bash_completion.d:/usr/share/bash-completion:' \
+               "${S}"/Makefile
+       sed -i \
+               -e '/.FORCE-PERF-VERSION-FILE/s,.FORCE-PERF-VERSION-FILE,,g' \
+               "${S}"/Makefile \
+               "${S}"/Documentation/Makefile
+
+       # Avoid the call to make kernelversion
+       echo "PERF_VERSION = ${MY_PV}" > PERF-VERSION-FILE
+
+       # The code likes to compile local assembly files which lack ELF 
markings.
+       find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' 
{} +
+}
+
+puse() { usex $1 "" no; }
+perf_make() {
+       local arch=$(tc-arch)
+       [[ "${arch}" == "amd64" ]] && arch="x86_64"
+       emake -j1 V=1 \
+               CC="$(tc-getCC)" AR="$(tc-getAR)" \
+               prefix="/usr" bindir_relative="sbin" \
+               CFLAGS_OPTIMIZE="${CFLAGS}" \
+               LDFLAGS_OPTIMIZE="${LDFLAGS}" \
+               ARCH="${arch}" \
+               NO_DEMANGLE=$(puse demangle) \
+               NO_LIBAUDIT=$(puse audit) \
+               NO_LIBPERL=$(puse perl) \
+               NO_LIBPYTHON=$(puse python) \
+               NO_LIBUNWIND=$(puse unwind) \
+               NO_NEWT=$(puse slang) \
+               "$@"
+}
+
+src_compile() {
+       perf_make
+       use doc && perf_make -C Documentation
+}
+
+src_test() {
+       :
+}
+
+src_install() {
+       perf_make install DESTDIR="${D}"
+
+       dodoc CREDITS
+
+       dodoc *txt Documentation/*.txt
+       if use doc ; then
+               dohtml Documentation/*.html
+               doman Documentation/*.1
+       fi
+}
+
+pkg_postinst() {
+       if ! use doc ; then
+               elog "Without the doc USE flag you won't get any documentation 
nor man pages."
+               elog "And without man pages, you won't get any --help output 
for perf and its"
+               elog "sub-tools."
+       fi
+}

diff --git a/dev-utils/perf/perf-4.1.5-r1.ebuild 
b/dev-utils/perf/perf-4.1.5-r1.ebuild
new file mode 100644
index 0000000..f502d10
--- /dev/null
+++ b/dev-utils/perf/perf-4.1.5-r1.ebuild
@@ -0,0 +1,191 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 )
+inherit versionator eutils toolchain-funcs python-single-r1 linux-info
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Userland tools for Linux Performance Counters"
+HOMEPAGE="https://perf.wiki.kernel.org/";
+
+LINUX_V="${PV:0:1}.x"
+if [[ ${PV} == *_rc* ]] ; then
+       LINUX_VER=$(get_version_component_range 
1-2).$(($(get_version_component_range 3)-1))
+       PATCH_VERSION=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV//_/-}.xz
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
+               
mirror://kernel/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
+else
+       VER_COUNT=$(get_version_component_count)
+       if [[ ${VER_COUNT} -gt 2 ]] ; then
+               # stable-release series
+               LINUX_VER=$(get_version_component_range 1-2)
+               LINUX_PATCH=patch-${PV}.xz
+               
SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+       else
+               LINUX_VER=${PV}
+               SRC_URI=""
+       fi
+fi
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
+SRC_URI+=" mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~ppc ~x86"
+IUSE="audit debug +demangle +doc gtk numa perl python slang unwind"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="audit? ( sys-process/audit )
+       demangle? ( sys-devel/binutils:= )
+       gtk? ( x11-libs/gtk+:2 )
+       numa? ( sys-process/numactl )
+       perl? ( dev-lang/perl )
+       slang? ( dev-libs/newt )
+       unwind? ( sys-libs/libunwind )
+       dev-libs/elfutils"
+DEPEND="${RDEPEND}
+       ${LINUX_PATCH+dev-util/patchutils}
+       sys-devel/bison
+       sys-devel/flex
+       doc? (
+               app-text/asciidoc
+               app-text/sgml-common
+               app-text/xmlto
+               sys-process/time
+       )
+       python? ( ${PYTHON_DEPS} )"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/perf"
+
+CONFIG_CHECK="~PERF_EVENTS ~KALLSYMS"
+
+pkg_setup() {
+       linux-info_pkg_setup
+       use python && python-single-r1_pkg_setup
+}
+
+src_unpack() {
+       local paths=(
+               tools/build tools/include tools/lib tools/perf tools/scripts
+               include lib "arch/*/include" "arch/*/lib"
+       )
+
+       # We expect the tar implementation to support the -j option (both
+       # GNU tar and libarchive's tar support that).
+       echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+       tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+               "${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               eshopts_push -o noglob
+               ebegin "Filtering partial source patch"
+               filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} 
\
+                       > ${P}.patch || die
+               eend $? || die "filterdiff failed"
+               eshopts_pop
+       fi
+
+       local a
+       for a in ${A}; do
+               [[ ${a} == ${LINUX_SOURCES} ]] && continue
+               [[ ${a} == ${LINUX_PATCH} ]] && continue
+               unpack ${a}
+       done
+}
+
+src_prepare() {
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               cd "${S_K}"
+               epatch "${WORKDIR}"/${P}.patch
+       fi
+
+       epatch "${FILESDIR}"/${P}-prefix.patch
+
+       # Drop some upstream too-developer-oriented flags and fix the
+       # Makefile in general
+       sed -i \
+               -e 's:-Werror::' \
+               -e 's:-ggdb3::' \
+               -e 's:-fstack-protector-all::' \
+               -e 's:^LDFLAGS =:EXTLIBS +=:' \
+               -e '/\(PERL\|PYTHON\)_EMBED_LDOPTS/s:ALL_LDFLAGS +=:EXTLIBS 
+=:' \
+               -e '/-x c - /s:\$(ALL_LDFLAGS):\0 $(EXTLIBS):' \
+               -e '/^ALL_CFLAGS =/s:$: $(CFLAGS_OPTIMIZE):' \
+               -e '/^ALL_LDFLAGS =/s:$: $(LDFLAGS_OPTIMIZE):' \
+               -e 
's:$(sysconfdir_SQ)/bash_completion.d:/usr/share/bash-completion:' \
+               "${S}"/Makefile || die
+       sed -i -e 's:-Werror::' "${S_K}"/tools/lib/api/Makefile || die
+       sed -i \
+               -e '/.FORCE-PERF-VERSION-FILE/s,.FORCE-PERF-VERSION-FILE,,g' \
+               "${S}"/Makefile \
+               "${S}"/Documentation/Makefile || die
+
+       # Avoid the call to make kernelversion
+       echo "#define PERF_VERSION \"${MY_PV}\"" > PERF-VERSION-FILE
+
+       # The code likes to compile local assembly files which lack ELF 
markings.
+       find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' 
{} +
+}
+
+puse() { usex $1 "" no; }
+perf_make() {
+       # The arch parsing is a bit funky.  The perf tools package is integrated
+       # into the kernel, so it wants an ARCH that looks like the kernel arch,
+       # but it also wants to know about the split value -- i386/x86_64 vs just
+       # x86.  We can get that by telling the func to use an older linux 
version.
+       # It's kind of a hack, but not that bad ...
+       local arch=$(tc-arch-kernel)
+       emake V=1 \
+               CC="$(tc-getCC)" AR="$(tc-getAR)" \
+               prefix="/usr" bindir_relative="bin" \
+               CFLAGS_OPTIMIZE="${CFLAGS}" \
+               LDFLAGS_OPTIMIZE="${LDFLAGS}" \
+               ARCH="${arch}" \
+               NO_DEMANGLE=$(puse demangle) \
+               NO_GTK2=$(puse gtk) \
+               NO_LIBAUDIT=$(puse audit) \
+               NO_LIBPERL=$(puse perl) \
+               NO_LIBPYTHON=$(puse python) \
+               NO_LIBUNWIND=$(puse unwind) \
+               NO_NEWT=$(puse slang) \
+               NO_LIBNUMA=$(puse numa) \
+               WERROR=0 \
+               "$@"
+}
+
+src_compile() {
+       perf_make -f Makefile.perf
+       use doc && perf_make -C Documentation
+}
+
+src_test() {
+       :
+}
+
+src_install() {
+       perf_make -f Makefile.perf install DESTDIR="${D}"
+
+       dodoc CREDITS
+
+       dodoc *txt Documentation/*.txt
+       if use doc ; then
+               dohtml Documentation/*.html
+               doman Documentation/*.1
+       fi
+}
+
+pkg_postinst() {
+       if ! use doc ; then
+               elog "Without the doc USE flag you won't get any documentation 
nor man pages."
+               elog "And without man pages, you won't get any --help output 
for perf and its"
+               elog "sub-tools."
+       fi
+}

diff --git a/dev-utils/perf/perf-4.4.4.ebuild b/dev-utils/perf/perf-4.4.4.ebuild
new file mode 100644
index 0000000..18dd89e
--- /dev/null
+++ b/dev-utils/perf/perf-4.4.4.ebuild
@@ -0,0 +1,185 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 )
+inherit versionator eutils toolchain-funcs python-single-r1 linux-info
+
+MY_PV="${PV/_/-}"
+MY_PV="${MY_PV/-pre/-git}"
+
+DESCRIPTION="Userland tools for Linux Performance Counters"
+HOMEPAGE="https://perf.wiki.kernel.org/";
+
+LINUX_V="${PV:0:1}.x"
+if [[ ${PV} == *_rc* ]] ; then
+       LINUX_VER=$(get_version_component_range 
1-2).$(($(get_version_component_range 3)-1))
+       PATCH_VERSION=$(get_version_component_range 1-3)
+       LINUX_PATCH=patch-${PV//_/-}.xz
+       SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
+               
mirror://kernel/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
+else
+       VER_COUNT=$(get_version_component_count)
+       if [[ ${VER_COUNT} -gt 2 ]] ; then
+               # stable-release series
+               LINUX_VER=$(get_version_component_range 1-2)
+               LINUX_PATCH=patch-${PV}.xz
+               
SRC_URI="mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
+       else
+               LINUX_VER=${PV}
+               SRC_URI=""
+       fi
+fi
+
+LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
+SRC_URI+=" mirror://kernel/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~ppc ~x86"
+IUSE="audit debug +demangle +doc gtk numa perl python slang unwind"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="audit? ( sys-process/audit )
+       demangle? ( sys-devel/binutils:= )
+       gtk? ( x11-libs/gtk+:2 )
+       numa? ( sys-process/numactl )
+       perl? ( dev-lang/perl )
+       slang? ( dev-libs/newt )
+       unwind? ( sys-libs/libunwind )
+       dev-libs/elfutils"
+DEPEND="${RDEPEND}
+       >=sys-kernel/linux-headers-4.4
+       ${LINUX_PATCH+dev-util/patchutils}
+       sys-devel/bison
+       sys-devel/flex
+       doc? (
+               app-text/asciidoc
+               app-text/sgml-common
+               app-text/xmlto
+               sys-process/time
+       )
+       python? ( ${PYTHON_DEPS} )"
+
+S_K="${WORKDIR}/linux-${LINUX_VER}"
+S="${S_K}/tools/perf"
+
+CONFIG_CHECK="~PERF_EVENTS ~KALLSYMS"
+
+pkg_setup() {
+       linux-info_pkg_setup
+       use python && python-single-r1_pkg_setup
+}
+
+src_unpack() {
+       local paths=(
+               tools/arch tools/build tools/include tools/lib tools/perf 
tools/scripts
+               include lib "arch/*/lib"
+       )
+
+       # We expect the tar implementation to support the -j option (both
+       # GNU tar and libarchive's tar support that).
+       echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
+       tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
+               "${paths[@]/#/linux-${LINUX_VER}/}" || die
+
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               eshopts_push -o noglob
+               ebegin "Filtering partial source patch"
+               filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} 
\
+                       > ${P}.patch || die
+               eend $? || die "filterdiff failed"
+               eshopts_pop
+       fi
+
+       local a
+       for a in ${A}; do
+               [[ ${a} == ${LINUX_SOURCES} ]] && continue
+               [[ ${a} == ${LINUX_PATCH} ]] && continue
+               unpack ${a}
+       done
+}
+
+src_prepare() {
+       if [[ -n ${LINUX_PATCH} ]] ; then
+               cd "${S_K}"
+               epatch "${WORKDIR}"/${P}.patch
+       fi
+
+       # Drop some upstream too-developer-oriented flags and fix the
+       # Makefile in general
+       sed -i \
+               -e 's:-Werror::' \
+               -e 's:-ggdb3::' \
+               -e 's:-fstack-protector-all::' \
+               -e 's:^LDFLAGS =:EXTLIBS +=:' \
+               -e '/\(PERL\|PYTHON\)_EMBED_LDOPTS/s:ALL_LDFLAGS +=:EXTLIBS 
+=:' \
+               -e '/-x c - /s:\$(ALL_LDFLAGS):\0 $(EXTLIBS):' \
+               "${S}"/config/Makefile || die
+       sed -i \
+               -e 
's:$(sysconfdir_SQ)/bash_completion.d:/usr/share/bash-completion:' \
+               "${S}"/Makefile.perf || die
+       sed -i -e 's:-Werror::' "${S_K}"/tools/lib/api/Makefile || die
+
+       # Avoid the call to make kernelversion
+       echo "#define PERF_VERSION \"${MY_PV}\"" > PERF-VERSION-FILE
+
+       # The code likes to compile local assembly files which lack ELF 
markings.
+       find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' 
{} +
+}
+
+puse() { usex $1 "" no; }
+perf_make() {
+       # The arch parsing is a bit funky.  The perf tools package is integrated
+       # into the kernel, so it wants an ARCH that looks like the kernel arch,
+       # but it also wants to know about the split value -- i386/x86_64 vs just
+       # x86.  We can get that by telling the func to use an older linux 
version.
+       # It's kind of a hack, but not that bad ...
+       local arch=$(tc-arch-kernel)
+       emake V=1 \
+               CC="$(tc-getCC)" AR="$(tc-getAR)" LD="$(tc-getLD)" \
+               prefix="/usr" bindir_relative="bin" \
+               EXTRA_CFLAGS="${CFLAGS}" \
+               ARCH="${arch}" \
+               NO_DEMANGLE=$(puse demangle) \
+               NO_GTK2=$(puse gtk) \
+               NO_LIBAUDIT=$(puse audit) \
+               NO_LIBPERL=$(puse perl) \
+               NO_LIBPYTHON=$(puse python) \
+               NO_LIBUNWIND=$(puse unwind) \
+               NO_NEWT=$(puse slang) \
+               NO_LIBNUMA=$(puse numa) \
+               WERROR=0 \
+               "$@"
+}
+
+src_compile() {
+       perf_make -f Makefile.perf
+       use doc && perf_make -C Documentation
+}
+
+src_test() {
+       :
+}
+
+src_install() {
+       perf_make -f Makefile.perf install DESTDIR="${D}"
+
+       dodoc CREDITS
+
+       dodoc *txt Documentation/*.txt
+       if use doc ; then
+               dohtml Documentation/*.html
+               doman Documentation/*.1
+       fi
+}
+
+pkg_postinst() {
+       if ! use doc ; then
+               elog "Without the doc USE flag you won't get any documentation 
nor man pages."
+               elog "And without man pages, you won't get any --help output 
for perf and its"
+               elog "sub-tools."
+       fi
+}

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