$(QEMU_PROG).stp-installed: $(SRC_PATH)/trace-events
$(call quiet-command,$(TRACETOOL) \
--format=stap \
- --backend=$(TRACE_BACKEND) \
+ --backends=$(TRACE_BACKENDS) \
--binary=$(bindir)/$(QEMU_PROG) \
--target-name=$(TARGET_NAME) \
--target-type=$(TARGET_TYPE) \
$(QEMU_PROG).stp: $(SRC_PATH)/trace-events
$(call quiet-command,$(TRACETOOL) \
--format=stap \
- --backend=$(TRACE_BACKEND) \
+ --backends=$(TRACE_BACKENDS) \
--binary=$(realpath .)/$(QEMU_PROG) \
--target-name=$(TARGET_NAME) \
--target-type=$(TARGET_TYPE) \