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-rw-r--r--tools/tracing/rtla/Makefile152
1 files changed, 152 insertions, 0 deletions
diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile
new file mode 100644
index 0000000000..2456a399eb
--- /dev/null
+++ b/tools/tracing/rtla/Makefile
@@ -0,0 +1,152 @@
+NAME := rtla
+# Follow the kernel version
+VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make)
+
+# 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
+MKDIR = mkdir
+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 := $$($(PKG_CONFIG) --cflags libtracefs)
+
+CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS)
+LDFLAGS := -ggdb $(EXTRA_LDFLAGS)
+LIBS := $$($(PKG_CONFIG) --libs libtracefs)
+
+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 := $(or $(BUILD_SRC),$(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/
+else
+DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/
+endif
+
+LIBTRACEEVENT_MIN_VERSION = 1.5
+LIBTRACEFS_MIN_VERSION = 1.3
+
+.PHONY: all warnings show_warnings
+all: warnings rtla
+
+TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
+ifeq ("$(TEST_LIBTRACEEVENT)", "n")
+WARNINGS = show_warnings
+MISSING_LIBS += echo "** libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher";
+MISSING_PACKAGES += "libtraceevent-devel"
+MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
+endif
+
+TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n")
+ifeq ("$(TEST_LIBTRACEFS)", "n")
+WARNINGS = show_warnings
+MISSING_LIBS += echo "** libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher";
+MISSING_PACKAGES += "libtracefs-devel"
+MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ ";
+endif
+
+define show_dependencies
+ @echo "********************************************"; \
+ echo "** NOTICE: Failed build dependencies"; \
+ echo "**"; \
+ echo "** Required Libraries:"; \
+ $(MISSING_LIBS) \
+ echo "**"; \
+ echo "** Consider installing the latest libtracefs from your"; \
+ echo "** distribution, e.g., 'dnf install $(MISSING_PACKAGES)' on Fedora,"; \
+ echo "** or from source:"; \
+ echo "**"; \
+ $(MISSING_SOURCE) \
+ echo "**"; \
+ echo "********************************************"
+endef
+
+show_warnings:
+ $(call show_dependencies);
+
+ifneq ("$(WARNINGS)", "")
+ERROR_OUT = $(error Please add the necessary dependencies)
+
+warnings: $(WARNINGS)
+ $(ERROR_OUT)
+endif
+
+rtla: $(OBJ)
+ $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
+
+static: $(OBJ)
+ $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
+
+.PHONY: install
+install: doc_install
+ $(MKDIR) -p $(DESTDIR)$(BINDIR)
+ $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
+ $(STRIP) $(DESTDIR)$(BINDIR)/rtla
+ @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
+ ln -s rtla $(DESTDIR)$(BINDIR)/osnoise
+ @test ! -f $(DESTDIR)$(BINDIR)/hwnoise || rm $(DESTDIR)$(BINDIR)/hwnoise
+ ln -s rtla $(DESTDIR)$(BINDIR)/hwnoise
+ @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
+ ln -s 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)
+ echo $(VERSION) > $(NAME)-$(VERSION)/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