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339 lines
8.9 KiB
339 lines
8.9 KiB
# Copyright 1999-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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PYTHON_COMPAT=( python3_{10..12} )
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inherit bash-completion-r1 estack flag-o-matic linux-info llvm toolchain-funcs python-r1
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DESCRIPTION="Userland tools for Linux Performance Counters"
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HOMEPAGE="https://perf.wiki.kernel.org/"
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LINUX_V="${PV:0:1}.x"
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if [[ ${PV} == *_rc* ]] ; then
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LINUX_VER=$(ver_cut 1-2).$(($(ver_cut 3)-1))
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PATCH_VERSION=$(ver_cut 1-3)
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LINUX_PATCH=patch-${PV//_/-}.xz
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SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
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https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
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elif [[ ${PV} == *.*.* ]] ; then
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# stable-release series
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LINUX_VER=$(ver_cut 1-2)
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LINUX_PATCH=patch-${PV}.xz
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SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
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else
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LINUX_VER=${PV}
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fi
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LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
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SRC_URI+=" https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
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S_K="${WORKDIR}/linux-${LINUX_VER}"
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S="${S_K}/tools/perf"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux"
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IUSE="abi_mips_o32 abi_mips_n32 abi_mips_n64 audit babeltrace big-endian bpf caps crypt debug +doc gtk java libpfm +libtraceevent +libtracefs lzma numa perl python slang systemtap tcmalloc unwind zstd"
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REQUIRED_USE="
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${PYTHON_REQUIRED_USE}
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"
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# setuptools (and Python) are always needed even if not building Python bindings
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BDEPEND="
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${LINUX_PATCH+dev-util/patchutils}
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${PYTHON_DEPS}
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>=app-arch/tar-1.34-r2
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dev-python/setuptools[${PYTHON_USEDEP}]
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app-alternatives/yacc
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app-alternatives/lex
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virtual/pkgconfig
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doc? (
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app-text/asciidoc
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app-text/sgml-common
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app-text/xmlto
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sys-process/time
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)
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"
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RDEPEND="
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audit? ( sys-process/audit )
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babeltrace? ( dev-util/babeltrace:0/1 )
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bpf? (
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dev-libs/libbpf
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dev-util/bpftool
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dev-util/pahole
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)
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caps? ( sys-libs/libcap )
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bpf? (
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sys-devel/clang:=
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sys-devel/llvm:=
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)
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crypt? ( dev-libs/openssl:= )
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gtk? ( x11-libs/gtk+:2 )
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java? ( virtual/jre:* )
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libpfm? ( dev-libs/libpfm:= )
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libtraceevent? ( dev-libs/libtraceevent )
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libtracefs? ( dev-libs/libtracefs )
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lzma? ( app-arch/xz-utils )
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numa? ( sys-process/numactl )
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perl? ( dev-lang/perl:= )
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python? ( ${PYTHON_DEPS} )
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slang? ( sys-libs/slang )
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systemtap? ( dev-debug/systemtap )
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tcmalloc? ( dev-util/google-perftools )
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unwind? ( sys-libs/libunwind:= )
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zstd? ( app-arch/zstd:= )
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dev-libs/elfutils
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sys-libs/binutils-libs:=
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sys-libs/zlib
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virtual/libcrypt
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"
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DEPEND="${RDEPEND}
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>=sys-kernel/linux-headers-5.10
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java? ( virtual/jdk )
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"
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QA_FLAGS_IGNORED=(
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'usr/bin/perf-read-vdso32' # not linked with anything except for libc
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'usr/libexec/perf-core/dlfilters/.*' # plugins
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)
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pkg_pretend() {
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if ! use doc ; then
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ewarn "Without the doc USE flag you won't get any documentation nor man pages."
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ewarn "And without man pages, you won't get any --help output for perf and its"
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ewarn "sub-tools."
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fi
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}
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pkg_setup() {
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local CONFIG_CHECK="
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~DEBUG_INFO
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~FTRACE
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~FTRACE_SYSCALLS
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~FUNCTION_TRACER
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~KALLSYMS
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~KALLSYMS_ALL
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~KPROBES
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~KPROBE_EVENTS
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~PERF_EVENTS
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~UPROBES
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~UPROBE_EVENTS
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"
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use bpf && llvm_pkg_setup
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# We enable python unconditionally as libbpf always generates
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# API headers using python script
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python_setup
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if use bpf ; then
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CONFIG_CHECK+="~BPF ~BPF_EVENTS ~BPF_SYSCALL ~DEBUG_INFO_BTF ~HAVE_EBPF_JIT"
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fi
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linux-info_pkg_setup
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}
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# src_unpack and src_prepare are copied to dev-util/bpftool since
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# it's building from the same tarball, please keep it in sync with bpftool
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src_unpack() {
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local paths=(
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kernel/bpf tools/{arch,bpf,build,include,lib,perf,scripts}
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scripts include lib "arch/*/lib" "arch/*/tools"
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)
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# We expect the tar implementation to support the -j option (both
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# GNU tar and libarchive's tar support that).
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echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
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gtar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
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"${paths[@]/#/linux-${LINUX_VER}/}" || die
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if [[ -n ${LINUX_PATCH} ]] ; then
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eshopts_push -o noglob
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ebegin "Filtering partial source patch"
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filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} \
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> ${P}.patch
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eend $? || die "filterdiff failed"
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eshopts_pop
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fi
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local a
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for a in ${A}; do
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[[ ${a} == ${LINUX_SOURCES} ]] && continue
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[[ ${a} == ${LINUX_PATCH} ]] && continue
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unpack ${a}
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done
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}
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src_prepare() {
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default
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if [[ -n ${LINUX_PATCH} ]] ; then
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pushd "${S_K}" >/dev/null || die
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eapply "${WORKDIR}"/${P}.patch
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popd || die
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fi
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pushd "${S_K}" >/dev/null || die
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eapply "${FILESDIR}"/perf-6.4-libtracefs.patch
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eapply "${FILESDIR}"/perf-6.7-expr.patch
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popd || die
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# Drop some upstream too-developer-oriented flags and fix the
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# Makefile in general
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sed -i \
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-e "s@\$(sysconfdir_SQ)/bash_completion.d@$(get_bashcompdir)@" \
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"${S}"/Makefile.perf || die
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# A few places still use -Werror w/out $(WERROR) protection.
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sed -i -e 's@-Werror@@' \
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"${S}"/Makefile.perf "${S_K}"/tools/lib/bpf/Makefile \
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"${S_K}"/tools/lib/perf/Makefile || die
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# Avoid the call to make kernelversion
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sed -i -e '/PERF-VERSION-GEN/d' Makefile.perf || die
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echo "#define PERF_VERSION \"${PV}\"" > PERF-VERSION-FILE
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# The code likes to compile local assembly files which lack ELF markings.
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find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' {} +
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}
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puse() { usex $1 "" 1; }
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perf_make() {
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# The arch parsing is a bit funky. The perf tools package is integrated
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# into the kernel, so it wants an ARCH that looks like the kernel arch,
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# but it also wants to know about the split value -- i386/x86_64 vs just
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# x86. We can get that by telling the func to use an older linux version.
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# It's kind of a hack, but not that bad ...
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# LIBDIR sets a search path of perf-gtk.so. Bug 515954
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local arch=$(tc-arch-kernel)
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local java_dir
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use java && java_dir="${EPREFIX}/etc/java-config-2/current-system-vm"
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# sync this with the whitelist in tools/perf/Makefile.config
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local disable_libdw
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if ! use amd64 && ! use x86 && \
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! use arm && \
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! use arm64 && \
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! use ppc && ! use ppc64 \
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! use s390 && \
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! use riscv && \
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! use loong
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then
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disable_libdw=1
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fi
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# perf directly invokes LD for linking without going through CC, on mips
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# it is required to specify the emulation. port of below buildroot patch
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# https://patchwork.ozlabs.org/project/buildroot/patch/20170217105905.32151-1-Vincent.Riera@imgtec.com/
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local linker="$(tc-getLD)"
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if use mips
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then
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if use big-endian
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then
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use abi_mips_n64 && linker+=" -m elf64btsmip"
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use abi_mips_n32 && linker+=" -m elf32btsmipn32"
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use abi_mips_o32 && linker+=" -m elf32btsmip"
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else
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use abi_mips_n64 && linker+=" -m elf64ltsmip"
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use abi_mips_n32 && linker+=" -m elf32ltsmipn32"
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use abi_mips_o32 && linker+=" -m elf32ltsmip"
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fi
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fi
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# FIXME: NO_CORESIGHT
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local emakeargs=(
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V=1 VF=1
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HOSTCC="$(tc-getBUILD_CC)" HOSTLD="$(tc-getBUILD_LD)"
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CC="$(tc-getCC)" CXX="$(tc-getCXX)" AR="$(tc-getAR)" LD="${linker}" NM="$(tc-getNM)"
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PKG_CONFIG="$(tc-getPKG_CONFIG)"
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prefix="${EPREFIX}/usr" bindir_relative="bin"
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tipdir="share/doc/${PF}"
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EXTRA_CFLAGS="${CFLAGS}"
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EXTRA_LDFLAGS="${LDFLAGS}"
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ARCH="${arch}"
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BUILD_BPF_SKEL=$(usex bpf 1 "") \
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BUILD_NONDISTRO=1
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JDIR="${java_dir}"
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CORESIGHT=
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GTK2=$(usex gtk 1 "")
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feature-gtk2-infobar=$(usex gtk 1 "")
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NO_AUXTRACE=
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NO_BACKTRACE=
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NO_DEMANGLE=
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NO_JEVENTS=$(puse python)
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NO_JVMTI=$(puse java)
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NO_LIBAUDIT=$(puse audit)
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NO_LIBBABELTRACE=$(puse babeltrace)
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NO_LIBBIONIC=1
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NO_LIBBPF=$(puse bpf)
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NO_LIBCAP=$(puse caps)
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NO_LIBCRYPTO=$(puse crypt)
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NO_LIBDW_DWARF_UNWIND="${disable_libdw}"
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NO_LIBELF=
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NO_LIBNUMA=$(puse numa)
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NO_LIBPERL=$(puse perl)
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NO_LIBPFM4=$(puse libpfm)
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NO_LIBPYTHON=$(puse python)
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NO_LIBTRACEEVENT=$(puse libtraceevent)
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NO_LIBUNWIND=$(puse unwind)
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NO_LIBZSTD=$(puse zstd)
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NO_SDT=$(puse systemtap)
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NO_SLANG=$(puse slang)
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NO_LZMA=$(puse lzma)
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NO_ZLIB=
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TCMALLOC=$(usex tcmalloc 1 "")
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WERROR=0
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LIBDIR="/usr/libexec/perf-core"
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libdir="${EPREFIX}/usr/$(get_libdir)"
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plugindir="${EPREFIX}/usr/$(get_libdir)/perf/plugins"
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"$@"
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)
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emake "${emakeargs[@]}"
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}
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src_compile() {
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filter-lto
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perf_make -f Makefile.perf
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use doc && perf_make -C Documentation man
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}
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src_test() {
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:
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}
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src_install() {
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_install_python_ext() {
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perf_make -f Makefile.perf install-python_ext DESTDIR="${D}"
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}
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perf_make -f Makefile.perf install DESTDIR="${D}"
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if use python; then
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python_foreach_impl _install_python_ext
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fi
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if use gtk; then
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local libdir
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libdir="$(get_libdir)"
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# on some arches it ends up in lib even on 64bit, ppc64 for instance.
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[[ -f "${ED}"/usr/lib/libperf-gtk.so ]] && libdir="lib"
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mv "${ED}"/usr/${libdir}/libperf-gtk.so \
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"${ED}"/usr/libexec/perf-core || die
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fi
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dodoc CREDITS
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dodoc *txt Documentation/*.txt
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# perf needs this decompressed to print out tips for users
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docompress -x /usr/share/doc/${PF}/tips.txt
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if use doc ; then
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doman Documentation/*.1
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fi
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}
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