Commit 4b0d2d41 authored Feb 25, 2021 by Song Liu Committed by Alexei Starovoitov Feb 26, 2021

bpf: runqslower: Prefer using local vmlimux to generate vmlinux.h



Update the Makefile to prefer using $(O)/vmlinux, $(KBUILD_OUTPUT)/vmlinux
(for selftests) or ../../../vmlinux. These two files should have latest
definitions for vmlinux.h.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210225234319.336131-6-songliubraving@fb.com

parent c540957a

tools/bpf/runqslower/Makefile

+4 −1

Original line number	Diff line number	Diff line
		@@ -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))))