--- /dev/null
+################################################################################
+#
+# perf
+#
+################################################################################
+
+# Source taken from the Linux kernel tree
+PERF_SOURCE =
+PERF_VERSION = $(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
+
+PERF_DEPENDENCIES = linux host-flex host-bison
+
+PERF_MAKE_FLAGS = \
+ $(LINUX_MAKE_FLAGS) \
+ NO_LIBAUDIT=1 \
+ NO_NEWT=1 \
+ NO_GTK2=1 \
+ NO_LIBPERL=1 \
+ NO_LIBPYTHON=1 \
+ DESTDIR=$(TARGET_DIR) \
+ prefix=/usr \
+ WERROR=0 \
+ ASCIIDOC=
+
+# The call to backtrace() function fails for ARC, because for some
+# reason the unwinder from libgcc returns early. Thus the usage of
+# backtrace() should be disabled in perf explicitly: at build time
+# backtrace() appears to be available, but it fails at runtime: the
+# backtrace will contain only several functions from the top of stack,
+# instead of the complete backtrace.
+ifeq ($(BR2_arc),y)
+PERF_MAKE_FLAGS += NO_BACKTRACE=1
+endif
+
+ifeq ($(BR2_PACKAGE_ELFUTILS),y)
+PERF_DEPENDENCIES += elfutils
+else
+PERF_MAKE_FLAGS += NO_LIBELF=1 NO_DWARF=1
+endif
+
+define PERF_BUILD_CMDS
+ $(Q)if test ! -f $(LINUX_DIR)/tools/perf/Makefile ; then \
+ echo "Your kernel version is too old and does not have the perf tool." ; \
+ echo "At least kernel 2.6.31 must be used." ; \
+ exit 1 ; \
+ fi
+ $(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
+ if ! grep -q NO_LIBELF $(LINUX_DIR)/tools/perf/Makefile* ; then \
+ if ! test -r $(LINUX_DIR)/tools/perf/config/Makefile ; then \
+ echo "The perf tool in your kernel cannot be built without libelf." ; \
+ echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
+ exit 1 ; \
+ fi \
+ fi \
+ fi
+ $(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR)/tools/perf \
+ $(PERF_MAKE_FLAGS) O=$(@D)
+endef
+
+# After installation, we remove the Perl and Python scripts from the
+# target.
+define PERF_INSTALL_TARGET_CMDS
+ $(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR)/tools/perf \
+ $(PERF_MAKE_FLAGS) O=$(@D) install
+ $(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/scripts/
+endef
+
+$(eval $(generic-package))