diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index a4829b6532d8..44f010b9f562 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -1206,6 +1206,8 @@ ifneq ($(NO_LIBTRACEEVENT),1) LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) + else + $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel) endif endif