1 files changed, 100 insertions, 0 deletions
diff --git a/tools/tracing/rtla/Makefile.config b/tools/tracing/rtla/Makefile.config
new file mode 100644
index 000000000000..5f2231d8d626
--- /dev/null
+++ b/tools/tracing/rtla/Makefile.config
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+STOP_ERROR :=
+
+LIBTRACEEVENT_MIN_VERSION = 1.5
+LIBTRACEFS_MIN_VERSION = 1.6
+
+define lib_setup
+  $(eval LIB_INCLUDES += $(shell sh -c "$(PKG_CONFIG) --cflags lib$(1)"))
+  $(eval LDFLAGS += $(shell sh -c "$(PKG_CONFIG) --libs-only-L lib$(1)"))
+  $(eval EXTLIBS += $(shell sh -c "$(PKG_CONFIG) --libs-only-l lib$(1)"))
+endef
+
+$(call feature_check,libtraceevent)
+ifeq ($(feature-libtraceevent), 1)
+  $(call detected,CONFIG_LIBTRACEEVENT)
+
+  TEST = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 && echo y || echo n")
+  ifeq ($(TEST),n)
+    $(info libtraceevent version is too low, it must be at least $(LIBTRACEEVENT_MIN_VERSION))
+    STOP_ERROR := 1
+  endif
+
+  $(call lib_setup,traceevent)
+else
+  STOP_ERROR := 1
+  $(info libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel)
+endif
+
+$(call feature_check,libtracefs)
+ifeq ($(feature-libtracefs), 1)
+  $(call detected,CONFIG_LIBTRACEFS)
+
+  TEST = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 && echo y || echo n")
+  ifeq ($(TEST),n)
+    $(info libtracefs version is too low, it must be at least $(LIBTRACEFS_MIN_VERSION))
+    STOP_ERROR := 1
+  endif
+
+  $(call lib_setup,tracefs)
+else
+  STOP_ERROR := 1
+  $(info libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
+endif
+
+$(call feature_check,libcpupower)
+ifeq ($(feature-libcpupower), 1)
+  $(call detected,CONFIG_LIBCPUPOWER)
+  CFLAGS += -DHAVE_LIBCPUPOWER_SUPPORT
+  EXTLIBS += -lcpupower
+else
+  $(info libcpupower is missing, building without --deepest-idle-state support.)
+  $(info Please install libcpupower-dev/kernel-tools-libs-devel)
+endif
+
+ifndef BUILD_BPF_SKEL
+  # BPF skeletons are used to implement improved sample collection, enable
+  # them by default.
+  BUILD_BPF_SKEL := 1
+endif
+
+ifeq ($(BUILD_BPF_SKEL),0)
+  $(info BPF skeleton support disabled, building without BPF skeleton support.)
+endif
+
+$(call feature_check,libbpf)
+ifeq ($(feature-libbpf), 1)
+  $(call detected,CONFIG_LIBBPF)
+else
+  $(info libbpf is missing, building without BPF skeleton support.)
+  $(info Please install libbpf-dev/libbpf-devel)
+  BUILD_BPF_SKEL := 0
+endif
+
+$(call feature_check,clang-bpf-co-re)
+ifeq ($(feature-clang-bpf-co-re), 1)
+  $(call detected,CONFIG_CLANG_BPF_CO_RE)
+else
+  $(info clang is missing or does not support BPF CO-RE, building without BPF skeleton support.)
+  $(info Please install clang)
+  BUILD_BPF_SKEL := 0
+endif
+
+$(call feature_check,bpftool-skeletons)
+ifeq ($(feature-bpftool-skeletons), 1)
+  $(call detected,CONFIG_BPFTOOL_SKELETONS)
+else
+  $(info bpftool is missing or not supporting skeletons, building without BPF skeleton support.)
+  $(info Please install bpftool)
+  BUILD_BPF_SKEL := 0
+endif
+
+ifeq ($(BUILD_BPF_SKEL),1)
+  CFLAGS += -DHAVE_BPF_SKEL
+  EXTLIBS += -lbpf
+endif
+
+ifeq ($(STOP_ERROR),1)
+  $(error Please, check the errors above.)
+endif