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SUMMARY = "Performance analysis tools for Linux"
DESCRIPTION = "Performance counters for Linux are a new kernel-based \
subsystem that provide a framework for all things \
performance analysis. It covers hardware level \
(CPU/PMU, Performance Monitoring Unit) features \
and software features (software counters, tracepoints) \
as well."
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
PR = "r8"
require perf-features.inc
BUILDPERF_libc-uclibc = "no"
TUI_DEPENDS = "${@perf_feature_enabled('perf-tui', 'libnewt', '',d)}"
SCRIPTING_DEPENDS = "${@perf_feature_enabled('perf-scripting', 'perl python', '',d)}"
DEPENDS = "virtual/kernel \
virtual/${MLPREFIX}libc \
${MLPREFIX}elfutils \
${MLPREFIX}binutils \
${TUI_DEPENDS} \
${SCRIPTING_DEPENDS} \
bison flex \
"
SCRIPTING_RDEPENDS = "${@perf_feature_enabled('perf-scripting', 'perl perl-modules python', '',d)}"
RDEPENDS_${PN} += "elfutils bash ${SCRIPTING_RDEPENDS}"
PROVIDES = "virtual/perf"
inherit linux-kernel-base kernel-arch pythonnative
# needed for building the tools/perf Python bindings
inherit python-dir
export STAGING_INCDIR
export STAGING_LIBDIR
export BUILD_SYS
export HOST_SYS
#kernel 3.1+ supports WERROR to disable warnings as errors
export WERROR = "0"
do_populate_lic[depends] += "virtual/kernel:do_populate_sysroot"
# needed for building the tools/perf Perl binding
inherit perlnative cpan-base
# Env var which tells perl if it should use host (no) or target (yes) settings
export PERLCONFIGTARGET = "${@is_target(d)}"
export PERL_INC = "${STAGING_LIBDIR}${PERL_OWN_DIR}/perl/${@get_perl_version(d)}/CORE"
export PERL_LIB = "${STAGING_LIBDIR}${PERL_OWN_DIR}/perl/${@get_perl_version(d)}"
export PERL_ARCHLIB = "${STAGING_LIBDIR}${PERL_OWN_DIR}/perl/${@get_perl_version(d)}"
S = "${STAGING_KERNEL_DIR}"
# The source should be ready after the do_unpack
do_unpack[depends] += "virtual/kernel:do_populate_sysroot"
B = "${WORKDIR}/${BPN}-${PV}"
SCRIPTING_DEFINES = "${@perf_feature_enabled('perf-scripting', '', 'NO_LIBPERL=1 NO_LIBPYTHON=1',d)}"
TUI_DEFINES = "${@perf_feature_enabled('perf-tui', '', 'NO_NEWT=1',d)}"
# The LDFLAGS is required or some old kernels fails due missing
# symbols and this is preferred than requiring patches to every old
# supported kernel.
LDFLAGS="-ldl -lutil"
EXTRA_OEMAKE = \
'-C ${S}/tools/perf \
O=${B} \
CROSS_COMPILE=${TARGET_PREFIX} \
ARCH=${ARCH} \
CC="${CC}" \
AR="${AR}" \
perfexecdir=${libexecdir} \
NO_GTK2=1 ${TUI_DEFINES} NO_DWARF=1 ${SCRIPTING_DEFINES} \
'
EXTRA_OEMAKE += "\
'prefix=${prefix}' \
'bindir=${bindir}' \
'sharedir=${datadir}' \
'sysconfdir=${sysconfdir}' \
'perfexecdir=${libexecdir}/perf-core' \
\
'ETC_PERFCONFIG=${@oe.path.relative(prefix, sysconfdir)}' \
'sharedir=${@oe.path.relative(prefix, datadir)}' \
'mandir=${@oe.path.relative(prefix, mandir)}' \
'infodir=${@oe.path.relative(prefix, infodir)}' \
"
# PPC64 uses long long for u64 in the kernel, but powerpc's asm/types.h
# prevents 64-bit userland from seeing this definition, instead defaulting
# to u64 == long in userspace. Define __SANE_USERSPACE_TYPES__ to get
# int-ll64.h included. And MIPS64 has the same issue.
EXTRA_OEMAKE_append_powerpc64 = ' CFLAGS=-D__SANE_USERSPACE_TYPES__'
EXTRA_OEMAKE_append_mips64 = ' CFLAGS=-D__SANE_USERSPACE_TYPES__'
PARALLEL_MAKE = ""
do_compile() {
# Linux kernel build system is expected to do the right thing
unset CFLAGS
oe_runmake all
}
do_install() {
# Linux kernel build system is expected to do the right thing
unset CFLAGS
oe_runmake DESTDIR=${D} install
# we are checking for this make target to be compatible with older perf versions
if [ "${@perf_feature_enabled('perf-scripting', 1, 0, d)}" = "1" -a $(grep install-python_ext ${S}/tools/perf/Makefile) = "0"]; then
oe_runmake DESTDIR=${D} install-python_ext
fi
}
do_configure_prepend () {
#kernels before 3.1 do not support WERROR env variable
sed -i 's,-Werror ,,' ${S}/tools/perf/Makefile
}
python do_package_prepend() {
bb.data.setVar('PKGV', get_kernelversion('${S}').split("-")[0], d)
}
PACKAGE_ARCH = "${MACHINE_ARCH}"
FILES_${PN} += "${libexecdir}/perf-core"
FILES_${PN}-dbg += "${libdir}/python*/site-packages/.debug"
FILES_${PN} += "${libdir}/python*/site-packages"
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