port perf utility shipped with kernel tree

package/perf/Makefile

@@ -0,0 +1,37 @@
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+
+include $(ADK_TOPDIR)/rules.mk
+include $(ADK_TOPDIR)/mk/kernel-ver.mk
+
+PKG_NAME:=		perf
+PKG_VERSION:=		${KERNEL_VERSION}
+PKG_RELEASE:=		1
+PKG_DESCR:=		Userland tools for Linux Performance Counters
+PKG_SECTION:=		app/debug
+PKG_DEPENDS:=		elfutils newt
+PKG_URL:=		https://perf.wiki.kernel.org/index.php/Main_Page
+
+NO_DISTFILES:=		1
+
+include $(ADK_TOPDIR)/mk/package.mk
+include ${ADK_TOPDIR}/mk/kernel-vars.mk
+
+$(eval $(call PKG_template,PERF,$(PKG_NAME),$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
+
+CONFIG_STYLE:=		manual
+BUILD_STYLE:=		manual
+INSTALL_STYLE:=		manual
+
+do-build:
+	${KERNEL_MAKE_ENV} GCC_HONOUR_COPTS=0 ${MAKE} \
+		${KERNEL_MAKE_OPTS} WERROR=0 -C "${LINUX_DIR}/tools/perf" all
+
+do-install:
+	${KERNEL_MAKE_ENV} GCC_HONOUR_COPTS=0 ${MAKE} \
+		${KERNEL_MAKE_OPTS} WERROR=0 -C "${LINUX_DIR}/tools/perf" \
+		prefix="${WRKINST}" install
+	${INSTALL_DIR} ${IDIR_PERF}/usr/bin
+	${INSTALL_BIN} ${WRKINST}/bin/perf ${IDIR_PERF}/usr/bin
+
+include ${ADK_TOPDIR}/mk/pkg-bottom.mk