1 files changed, 99 insertions, 99 deletions
diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile
index 2d52ff0bff7d..746ccf2f5808 100644
--- a/tools/tracing/rtla/Makefile
+++ b/tools/tracing/rtla/Makefile
@@ -1,102 +1,102 @@
-NAME	:=	rtla
-VERSION	:=	0.5
-
-# From libtracefs:
-# Makefiles suck: This macro sets a default value of $(2) for the
-# variable named by $(1), unless the variable has been set by
-# environment or command line. This is necessary for CC and AR
-# because make sets default values, so the simpler ?= approach
-# won't work as expected.
-define allow-override
-  $(if $(or $(findstring environment,$(origin $(1))),\
-            $(findstring command line,$(origin $(1)))),,\
-    $(eval $(1) = $(2)))
-endef
-
-# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
-$(call allow-override,CC,$(CROSS_COMPILE)gcc)
-$(call allow-override,AR,$(CROSS_COMPILE)ar)
-$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
-$(call allow-override,PKG_CONFIG,pkg-config)
-$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
-$(call allow-override,LDCONFIG,ldconfig)
-
-INSTALL	=	install
-FOPTS	:=	-flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
-		-fasynchronous-unwind-tables -fstack-clash-protection
-WOPTS	:= 	-Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
-
-TRACEFS_HEADERS	:= $$($(PKG_CONFIG) --cflags libtracefs)
-
-CFLAGS	:=	-O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS)
-LDFLAGS	:=	-ggdb
-LIBS	:=	$$($(PKG_CONFIG) --libs libtracefs) -lprocps
-
-SRC	:=	$(wildcard src/*.c)
-HDR	:=	$(wildcard src/*.h)
-OBJ	:=	$(SRC:.c=.o)
-DIRS	:=	src
-FILES	:=	Makefile README.txt
-CEXT	:=	bz2
-TARBALL	:=	$(NAME)-$(VERSION).tar.$(CEXT)
-TAROPTS	:=	-cvjf $(TARBALL)
-BINDIR	:=	/usr/bin
-DATADIR	:=	/usr/share
-DOCDIR	:=	$(DATADIR)/doc
-MANDIR	:=	$(DATADIR)/man
-LICDIR	:=	$(DATADIR)/licenses
-SRCTREE	:=	$(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
-
-# If running from the tarball, man pages are stored in the Documentation
-# dir. If running from the kernel source, man pages are stored in
-# Documentation/tools/rtla/.
-ifneq ($(wildcard Documentation/.*),)
-DOCSRC	=	Documentation/
+# SPDX-License-Identifier: GPL-2.0-only
+
+ifeq ($(srctree),)
+  srctree	:= $(patsubst %/,%,$(dir $(CURDIR)))
+  srctree	:= $(patsubst %/,%,$(dir $(srctree)))
+  srctree	:= $(patsubst %/,%,$(dir $(srctree)))
+endif
+
+include $(srctree)/tools/scripts/Makefile.include
+
+# O is an alias for OUTPUT
+OUTPUT          := $(O)
+
+ifeq ($(OUTPUT),)
+  OUTPUT        := $(CURDIR)
+else
+  # subdir is used by the ../Makefile in $(call descend,)
+  ifneq ($(subdir),)
+    OUTPUT        := $(OUTPUT)/$(subdir)
+  endif
+endif
+
+ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)
+  OUTPUT        := $(OUTPUT)/
+endif
+
+RTLA		:= $(OUTPUT)rtla
+RTLA_IN		:= $(RTLA)-in.o
+
+VERSION		:= $(shell sh -c "make -sC ../../.. kernelversion | grep -v make")
+DOCSRC		:= ../../../Documentation/tools/rtla/
+
+FEATURE_TESTS	:= libtraceevent
+FEATURE_TESTS	+= libtracefs
+FEATURE_TESTS	+= libcpupower
+FEATURE_TESTS	+= libbpf
+FEATURE_TESTS	+= clang-bpf-co-re
+FEATURE_TESTS	+= bpftool-skeletons
+FEATURE_DISPLAY	:= libtraceevent
+FEATURE_DISPLAY	+= libtracefs
+FEATURE_DISPLAY	+= libcpupower
+FEATURE_DISPLAY	+= libbpf
+FEATURE_DISPLAY	+= clang-bpf-co-re
+FEATURE_DISPLAY	+= bpftool-skeletons
+
+all: $(RTLA)
+
+include $(srctree)/tools/build/Makefile.include
+include Makefile.rtla
+
+# check for dependencies only on required targets
+NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install
+
+config		:= 1
+ifdef MAKECMDGOALS
+ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
+ config		:= 0
+endif
+endif
+
+ifeq ($(config),1)
+  include $(srctree)/tools/build/Makefile.feature
+  include Makefile.config
+endif
+
+CFLAGS		+= $(INCLUDES) $(LIB_INCLUDES)
+
+export CFLAGS OUTPUT srctree
+
+ifeq ($(BUILD_BPF_SKEL),1)
+src/timerlat.bpf.o: src/timerlat.bpf.c
+	$(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@
+
+src/timerlat.skel.h: src/timerlat.bpf.o
+	$(QUIET_GENSKEL)$(SYSTEM_BPFTOOL) gen skeleton $< > $@
 else
-DOCSRC	=	$(SRCTREE)/../../../Documentation/tools/rtla/
+src/timerlat.skel.h:
+	$(Q)echo '/* BPF skeleton is disabled */' > src/timerlat.skel.h
 endif
 
-.PHONY:	all
-all:	rtla
-
-rtla: $(OBJ) doc
-	$(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
-
-static: $(OBJ)
-	$(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
-
-.PHONY: install
-install: doc_install
-	$(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR)
-	$(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
-	$(STRIP) $(DESTDIR)$(BINDIR)/rtla
-	@test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
-	ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise
-	@test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
-	ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat
-
-.PHONY: clean tarball
-clean: doc_clean
-	@test ! -f rtla || rm rtla
-	@test ! -f rtla-static || rm rtla-static
-	@test ! -f src/rtla.o || rm src/rtla.o
-	@test ! -f $(TARBALL) || rm -f $(TARBALL)
-	@rm -rf *~ $(OBJ) *.tar.$(CEXT)
-
-tarball: clean
-	rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
-	cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
-	mkdir $(NAME)-$(VERSION)/Documentation/
-	cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
-	tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
-	rm -rf $(NAME)-$(VERSION)
-
-.PHONY: doc doc_clean doc_install
-doc:
-	$(MAKE) -C $(DOCSRC)
-
-doc_clean:
-	$(MAKE) -C $(DOCSRC) clean
-
-doc_install:
-	$(MAKE) -C $(DOCSRC) install
+$(RTLA): $(RTLA_IN)
+	$(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(EXTLIBS)
+
+static: $(RTLA_IN)
+	$(eval LDFLAGS += -static)
+	$(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN)  $(EXTLIBS)
+
+rtla.%: fixdep FORCE
+	make -f $(srctree)/tools/build/Makefile.build dir=. $@
+
+$(RTLA_IN): fixdep FORCE src/timerlat.skel.h
+	make $(build)=rtla
+
+clean: doc_clean fixdep-clean
+	$(call QUIET_CLEAN, rtla)
+	$(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+	$(Q)rm -f rtla rtla-static fixdep FEATURE-DUMP rtla-*
+	$(Q)rm -rf feature
+	$(Q)rm -f src/timerlat.bpf.o src/timerlat.skel.h
+check: $(RTLA)
+	RTLA=$(RTLA) prove -o -f tests/
+.PHONY: FORCE clean check