Re: [PATCH v4 bpf-next 5/6] bpf: runqslower: prefer using local vmlimux to generate vmlinux.h
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From: Andrii Nakryiko <hidden>
Date: 2021-02-23 06:30:38
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On Mon, Feb 22, 2021 at 5:24 PM Song Liu [off-list ref] wrote:
Update the Makefile to prefer using $(O)/mvlinux, $(KBUILD_OUTPUT)/vmlinux (for selftests) or ../../../vmlinux. These two files should have latest definitions for vmlinux.h. Signed-off-by: Song Liu <redacted> ---
Acked-by: Andrii Nakryiko <andrii@kernel.org>
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tools/bpf/runqslower/Makefile | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile index 9d9fb6209be1b..c96ba90c6f018 100644 --- a/tools/bpf/runqslower/Makefile +++ b/tools/bpf/runqslower/Makefile@@ -16,7 +16,10 @@ CFLAGS := -g -Wall # Try to detect best kernel BTF source KERNEL_REL := $(shell uname -r) -VMLINUX_BTF_PATHS := /sys/kernel/btf/vmlinux /boot/vmlinux-$(KERNEL_REL) +VMLINUX_BTF_PATHS := $(if $(O),$(O)/vmlinux) \ + $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ + ../../../vmlinux /sys/kernel/btf/vmlinux \ + /boot/vmlinux-$(KERNEL_REL) VMLINUX_BTF_PATH := $(or $(VMLINUX_BTF),$(firstword \ $(wildcard $(VMLINUX_BTF_PATHS)))) --2.24.1