# 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 OUTPUTOUTPUT := $(O) ifeq ($(OUTPUT),) OUTPUT := $(CURDIR)else # subdir is used by the ../Makefile in $(call descend,) ifneq ($(subdir),) OUTPUT := $(OUTPUT)/$(subdir) endifendif ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),) OUTPUT := $(OUTPUT)/endif RTLA := $(OUTPUT)rtlaRTLA_IN := $(RTLA)-in.o LIBSUBCMD_DIR = $(srctree)/tools/lib/subcmd/ifneq ($(OUTPUT),) LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmdelse LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmdendifLIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.aLIBSUBCMD_INCLUDES = $(LIBSUBCMD_OUTPUT)/includeLIBSUBCMD_MAKEFLAGS = O=$(LIBSUBCMD_OUTPUT) DESTDIR=$(LIBSUBCMD_OUTPUT) prefix= subdir= TOOLS_INCLUDES = -I$(srctree)/tools/include ifneq ($(OUTPUT),) LIB_OUTPUT = $(abspath $(OUTPUT))/libelse LIB_OUTPUT = $(CURDIR)/libendif LIB_CTYPE = $(LIB_OUTPUT)/ctype.oLIB_CTYPE_SRC = $(srctree)/tools/lib/ctype.c LIB_STRING = $(LIB_OUTPUT)/string.oLIB_STRING_SRC = $(srctree)/tools/lib/string.c LIB_STR_ERROR_R = $(LIB_OUTPUT)/str_error_r.oLIB_STR_ERROR_R_SRC = $(srctree)/tools/lib/str_error_r.c VERSION := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make")DOCSRC := ../../../Documentation/tools/rtla/ FEATURE_TESTS := libtraceeventFEATURE_TESTS += libtracefsFEATURE_TESTS += libcpupowerFEATURE_TESTS += libcheckFEATURE_TESTS += libbpfFEATURE_TESTS += clang-bpf-co-reFEATURE_TESTS += bpftool-skeletonsFEATURE_DISPLAY := libtraceeventFEATURE_DISPLAY += libtracefsFEATURE_DISPLAY += libcpupowerFEATURE_DISPLAY += libcheckFEATURE_DISPLAY += libbpfFEATURE_DISPLAY += clang-bpf-co-reFEATURE_DISPLAY += bpftool-skeletons all: $(RTLA) include $(srctree)/tools/build/Makefile.includeinclude Makefile.rtlainclude tests/unit/Makefile.unit # check for dependencies only on required targetsNON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install config := 1ifdef MAKECMDGOALSifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),) config := 0endifendif ifeq ($(config),1) include $(srctree)/tools/build/Makefile.feature include Makefile.configendif CFLAGS += $(INCLUDES) $(LIB_INCLUDES) $(TOOLS_INCLUDES) -I$(LIBSUBCMD_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 $< > $@ example/timerlat_bpf_action.o: example/timerlat_bpf_action.c $(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@ tests/bpf/bpf_action_map.o: tests/bpf/bpf_action_map.c $(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@elsesrc/timerlat.skel.h: $(Q)echo '/* BPF skeleton is disabled */' > src/timerlat.skel.h example/timerlat_bpf_action.o: example/timerlat_bpf_action.c $(Q)echo "BPF skeleton support is disabled, skipping example/timerlat_bpf_action.o" tests/bpf/bpf_action_map.o: tests/bpf/bpf_action_map.c $(Q)echo "BPF skeleton support is disabled, skipping tests/bpf/bpf_action_map.o"endif $(RTLA): $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R) $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R) $(EXTLIBS) static: $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R) $(eval LDFLAGS += -static) $(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R) $(EXTLIBS) rtla.%: fixdep FORCE make -f $(srctree)/tools/build/Makefile.build dir=. $@ $(RTLA_IN): fixdep FORCE src/timerlat.skel.h $(LIBSUBCMD_INCLUDES) make $(build)=rtla $(LIBSUBCMD_OUTPUT): $(Q)$(MKDIR) -p $@ $(LIBSUBCMD_INCLUDES): FORCE | $(LIBSUBCMD_OUTPUT) $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) $(LIBSUBCMD_MAKEFLAGS) \ install_headers $(LIBSUBCMD): FORCE | $(LIBSUBCMD_OUTPUT) $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) $(LIBSUBCMD_MAKEFLAGS) \ $@ $(LIB_OUTPUT): $(Q)$(MKDIR) -p $@ $(LIB_STR_ERROR_R): $(LIB_STR_ERROR_R_SRC) | $(LIB_OUTPUT) $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< $(LIB_STRING): $(LIB_STRING_SRC) | $(LIB_OUTPUT) $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< $(LIB_CTYPE): $(LIB_CTYPE_SRC) | $(LIB_OUTPUT) $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $< libsubcmd-clean: $(call QUIET_CLEAN, libsubcmd) $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT) lib-clean: $(call QUIET_CLEAN, lib) $(Q)$(RM) -r -- $(LIB_OUTPUT) clean: doc_clean fixdep-clean libsubcmd-clean lib-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 example/timerlat_bpf_action.o $(Q)rm -f $(UNIT_TESTS) check: $(RTLA) tests/bpf/bpf_action_map.o RTLA=$(RTLA) BPFTOOL=$(SYSTEM_BPFTOOL) prove -o -f -v tests/examples: example/timerlat_bpf_action.o.PHONY: FORCE clean check
# SPDX-License-Identifier: GPL-2.0-only
ifeq ($(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
LIBSUBCMD_DIR = $(srctree)/tools/lib/subcmd/
ifneq ($(OUTPUT),)
LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
else
LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd
endif
LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
LIBSUBCMD_INCLUDES = $(LIBSUBCMD_OUTPUT)/include
LIBSUBCMD_MAKEFLAGS = O=$(LIBSUBCMD_OUTPUT) DESTDIR=$(LIBSUBCMD_OUTPUT) prefix= subdir=
TOOLS_INCLUDES = -I$(srctree)/tools/include
ifneq ($(OUTPUT),)
LIB_OUTPUT = $(abspath $(OUTPUT))/lib
else
LIB_OUTPUT = $(CURDIR)/lib
endif
LIB_CTYPE = $(LIB_OUTPUT)/ctype.o
LIB_CTYPE_SRC = $(srctree)/tools/lib/ctype.c
LIB_STRING = $(LIB_OUTPUT)/string.o
LIB_STRING_SRC = $(srctree)/tools/lib/string.c
LIB_STR_ERROR_R = $(LIB_OUTPUT)/str_error_r.o
LIB_STR_ERROR_R_SRC = $(srctree)/tools/lib/str_error_r.c
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 += libcheck
FEATURE_TESTS += libbpf
FEATURE_TESTS += clang-bpf-co-re
FEATURE_TESTS += bpftool-skeletons
FEATURE_DISPLAY := libtraceevent
FEATURE_DISPLAY += libtracefs
FEATURE_DISPLAY += libcpupower
FEATURE_DISPLAY += libcheck
FEATURE_DISPLAY += libbpf
FEATURE_DISPLAY += clang-bpf-co-re
FEATURE_DISPLAY += bpftool-skeletons
all: $(RTLA)
include $(srctree)/tools/build/Makefile.include
include Makefile.rtla
include tests/unit/Makefile.unit
# check for dependencies only on required targets
NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install
config := 1
ifdef MAKECMDGOALS
ifeq ($(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) $(TOOLS_INCLUDES) -I$(LIBSUBCMD_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 $< > $@
example/timerlat_bpf_action.o: example/timerlat_bpf_action.c
$(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@
tests/bpf/bpf_action_map.o: tests/bpf/bpf_action_map.c
$(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@
else
src/timerlat.skel.h:
$(Q)echo '/* BPF skeleton is disabled */' > src/timerlat.skel.h
example/timerlat_bpf_action.o: example/timerlat_bpf_action.c
$(Q)echo "BPF skeleton support is disabled, skipping example/timerlat_bpf_action.o"
tests/bpf/bpf_action_map.o: tests/bpf/bpf_action_map.c
$(Q)echo "BPF skeleton support is disabled, skipping tests/bpf/bpf_action_map.o"
endif
$(RTLA): $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R)
$(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R) $(EXTLIBS)
static: $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R)
$(eval LDFLAGS += -static)
$(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN) $(LIBSUBCMD) $(LIB_CTYPE) $(LIB_STRING) $(LIB_STR_ERROR_R) $(EXTLIBS)
rtla.%: fixdep FORCE
make -f $(srctree)/tools/build/Makefile.build dir=. $@
$(RTLA_IN): fixdep FORCE src/timerlat.skel.h $(LIBSUBCMD_INCLUDES)
make $(build)=rtla
$(LIBSUBCMD_OUTPUT):
$(Q)$(MKDIR) -p $@
$(LIBSUBCMD_INCLUDES): FORCE | $(LIBSUBCMD_OUTPUT)
$(Q)$(MAKE) -C $(LIBSUBCMD_DIR) $(LIBSUBCMD_MAKEFLAGS) \
install_headers
$(LIBSUBCMD): FORCE | $(LIBSUBCMD_OUTPUT)
$(Q)$(MAKE) -C $(LIBSUBCMD_DIR) $(LIBSUBCMD_MAKEFLAGS) \
$@
$(LIB_OUTPUT):
$(Q)$(MKDIR) -p $@
$(LIB_STR_ERROR_R): $(LIB_STR_ERROR_R_SRC) | $(LIB_OUTPUT)
$(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<
$(LIB_STRING): $(LIB_STRING_SRC) | $(LIB_OUTPUT)
$(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<
$(LIB_CTYPE): $(LIB_CTYPE_SRC) | $(LIB_OUTPUT)
$(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<
libsubcmd-clean:
$(call QUIET_CLEAN, libsubcmd)
$(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT)
lib-clean:
$(call QUIET_CLEAN, lib)
$(Q)$(RM) -r -- $(LIB_OUTPUT)
clean: doc_clean fixdep-clean libsubcmd-clean lib-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 example/timerlat_bpf_action.o
$(Q)rm -f $(UNIT_TESTS)
check: $(RTLA) tests/bpf/bpf_action_map.o
RTLA=$(RTLA) BPFTOOL=$(SYSTEM_BPFTOOL) prove -o -f -v tests/
examples: example/timerlat_bpf_action.o
.PHONY: FORCE clean check