diff options
Diffstat (limited to 'tools/tracing/rtla/Makefile')
| -rw-r--r-- | tools/tracing/rtla/Makefile | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile new file mode 100644 index 000000000..387bc6cc1 --- /dev/null +++ b/tools/tracing/rtla/Makefile @@ -0,0 +1,178 @@ +# 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 |