diff --git a/firmware/Makefile b/firmware/Makefile
index a22d6ac563..c7726dfa37 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -409,3 +409,7 @@ openblt_clean:
 
 # Enable precompiled header
 include rusefi_pch.mk
+
+POST_MAKE_ALL_RULE_HOOK: $(BUILDDIR)/$(PROJECT).elf
+	@java -jar ../java_tools/gcc_map_reader.jar $(BUILDDIR)/$(PROJECT).map | grep Total || echo Unable to run gcc_map_reader
+	@$(TRGT)objdump -h $(BUILDDIR)/$(PROJECT).elf | grep -w ram4