From 303dcc25b5c782547eb13b9f29426de843dd6f34 Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Tue, 2 Mar 2021 16:40:10 -0800 Subject: tools/runqslower: Allow substituting custom vmlinux.h for the build Just like was done for bpftool and selftests in ec23eb705620 ("tools/bpftool: Allow substituting custom vmlinux.h for the build") and ca4db6389d61 ("selftests/bpf: Allow substituting custom vmlinux.h for selftests build"), allow to provide pre-generated vmlinux.h for runqslower build. Signed-off-by: Andrii Nakryiko Acked-by: Martin KaFai Lau Acked-by: Yonghong Song Link: https://lore.kernel.org/bpf/20210303004010.653954-1-andrii@kernel.org --- tools/bpf/runqslower/Makefile | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'tools/bpf/runqslower/Makefile') diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile index c96ba90c6f01..3818ec511fd2 100644 --- a/tools/bpf/runqslower/Makefile +++ b/tools/bpf/runqslower/Makefile @@ -69,12 +69,16 @@ $(OUTPUT) $(BPFOBJ_OUTPUT) $(BPFTOOL_OUTPUT): $(QUIET_MKDIR)mkdir -p $@ $(OUTPUT)/vmlinux.h: $(VMLINUX_BTF_PATH) | $(OUTPUT) $(BPFTOOL) +ifeq ($(VMLINUX_H),) $(Q)if [ ! -e "$(VMLINUX_BTF_PATH)" ] ; then \ echo "Couldn't find kernel BTF; set VMLINUX_BTF to" \ "specify its location." >&2; \ exit 1;\ fi $(QUIET_GEN)$(BPFTOOL) btf dump file $(VMLINUX_BTF_PATH) format c > $@ +else + $(Q)cp "$(VMLINUX_H)" $@ +endif $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(BPFOBJ_OUTPUT) $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(BPFOBJ_OUTPUT) $@ -- cgit v1.2.3