Re: [PATCH v2 bpf-next 3/4] bpf: runqslower: prefer use local KBUILD_OUTPUT/vmlinux or vmlinux
From: Andrii Nakryiko <hidden>
Date: 2021-01-27 21:25:13
Also in:
bpf, lkml
On Tue, Jan 26, 2021 at 1:11 AM Song Liu [off-list ref] wrote:
quoted hunk
Update the Makefile to prefer using KBUILD_OUTPUT/vmlinux (for selftests) or ../../../vmlinux. These two files should have latest definitions for vmlinux.h. Signed-off-by: Song Liu <redacted> --- tools/bpf/runqslower/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile index 4d5ca54fcd4c8..1f75c95d4d023 100644 --- a/tools/bpf/runqslower/Makefile +++ b/tools/bpf/runqslower/Makefile@@ -19,7 +19,9 @@ 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 $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
O= overrides KBUILD_OUTPUT=, so please handle it first. See selftests/bpf/Makefile.
+ ../../../vmlinux /sys/kernel/btf/vmlinux \
+ /boot/vmlinux-$(KERNEL_REL)
VMLINUX_BTF_PATH := $(or $(VMLINUX_BTF),$(firstword \
$(wildcard $(VMLINUX_BTF_PATHS))))
--
2.24.1