xref: /linux/tools/tracing/rtla/Makefile (revision ef59e454156eb068ba3f2d9e14b397fd7953f65a) 
1# SPDX-License-Identifier: GPL-2.0-only
2
3ifeq ($(srctree),)
4  srctree	:= $(patsubst %/,%,$(dir $(CURDIR)))
5  srctree	:= $(patsubst %/,%,$(dir $(srctree)))
6  srctree	:= $(patsubst %/,%,$(dir $(srctree)))
7endif
8
9include $(srctree)/tools/scripts/Makefile.include
10
11# O is an alias for OUTPUT
12OUTPUT          := $(O)
13
14ifeq ($(OUTPUT),)
15  OUTPUT        := $(CURDIR)
16else
17  # subdir is used by the ../Makefile in $(call descend,)
18  ifneq ($(subdir),)
19    OUTPUT        := $(OUTPUT)/$(subdir)
20  endif
21endif
22
23ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)
24  OUTPUT        := $(OUTPUT)/
25endif
26
27RTLA		:= $(OUTPUT)rtla
28RTLA_IN		:= $(RTLA)-in.o
29
30VERSION		:= $(shell sh -c "make -sC ../../.. kernelversion | grep -v make")
31DOCSRC		:= ../../../Documentation/tools/rtla/
32
33FEATURE_TESTS	:= libtraceevent
34FEATURE_TESTS	+= libtracefs
35FEATURE_TESTS	+= libcpupower
36FEATURE_TESTS	+= libcheck
37FEATURE_TESTS	+= libbpf
38FEATURE_TESTS	+= clang-bpf-co-re
39FEATURE_TESTS	+= bpftool-skeletons
40FEATURE_DISPLAY	:= libtraceevent
41FEATURE_DISPLAY	+= libtracefs
42FEATURE_DISPLAY	+= libcpupower
43FEATURE_DISPLAY	+= libcheck
44FEATURE_DISPLAY	+= libbpf
45FEATURE_DISPLAY	+= clang-bpf-co-re
46FEATURE_DISPLAY	+= bpftool-skeletons
47
48all: $(RTLA)
49
50include $(srctree)/tools/build/Makefile.include
51include Makefile.rtla
52include tests/unit/Makefile.unit
53
54# check for dependencies only on required targets
55NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install
56
57config		:= 1
58ifdef MAKECMDGOALS
59ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
60 config		:= 0
61endif
62endif
63
64ifeq ($(config),1)
65  include $(srctree)/tools/build/Makefile.feature
66  include Makefile.config
67endif
68
69CFLAGS		+= $(INCLUDES) $(LIB_INCLUDES)
70
71export CFLAGS OUTPUT srctree
72
73ifeq ($(BUILD_BPF_SKEL),1)
74src/timerlat.bpf.o: src/timerlat.bpf.c
75	$(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@
76
77src/timerlat.skel.h: src/timerlat.bpf.o
78	$(QUIET_GENSKEL)$(SYSTEM_BPFTOOL) gen skeleton $< > $@
79
80example/timerlat_bpf_action.o: example/timerlat_bpf_action.c
81	$(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@
82
83tests/bpf/bpf_action_map.o: tests/bpf/bpf_action_map.c
84	$(QUIET_CLANG)$(CLANG) -g -O2 -target bpf -c $(filter %.c,$^) -o $@
85else
86src/timerlat.skel.h:
87	$(Q)echo '/* BPF skeleton is disabled */' > src/timerlat.skel.h
88
89example/timerlat_bpf_action.o: example/timerlat_bpf_action.c
90	$(Q)echo "BPF skeleton support is disabled, skipping example/timerlat_bpf_action.o"
91
92tests/bpf/bpf_action_map.o: tests/bpf/bpf_action_map.c
93	$(Q)echo "BPF skeleton support is disabled, skipping tests/bpf/bpf_action_map.o"
94endif
95
96$(RTLA): $(RTLA_IN)
97	$(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(EXTLIBS)
98
99static: $(RTLA_IN)
100	$(eval LDFLAGS += -static)
101	$(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN)  $(EXTLIBS)
102
103rtla.%: fixdep FORCE
104	make -f $(srctree)/tools/build/Makefile.build dir=. $@
105
106$(RTLA_IN): fixdep FORCE src/timerlat.skel.h
107	make $(build)=rtla
108
109clean: doc_clean fixdep-clean
110	$(call QUIET_CLEAN, rtla)
111	$(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
112	$(Q)rm -f rtla rtla-static fixdep FEATURE-DUMP rtla-*
113	$(Q)rm -rf feature
114	$(Q)rm -f src/timerlat.bpf.o src/timerlat.skel.h example/timerlat_bpf_action.o
115	$(Q)rm -f $(UNIT_TESTS)
116
117check: $(RTLA) tests/bpf/bpf_action_map.o
118	RTLA=$(RTLA) BPFTOOL=$(SYSTEM_BPFTOOL) prove -o -f -v tests/
119examples: example/timerlat_bpf_action.o
120.PHONY: FORCE clean check
121