Re: [PATCH liburing] tests: test io_uring bpf ops

[Pavel Begunkov <asml.silence@gmail.com>]

On 2/24/26 13:37, Pavel Begunkov wrote:
> Add a BPF struct ops io_uring example issuing nop requests in a loop. It
> needs clang, llvm, bpftool, libbpf, etc. to compile so it's gated on
> passing BPF_TESTS to make. The Makefile change looks sane but maybe
> there are better ways, starting with probing all the toolchain
> availability.
> 
> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
> ---
>   test/Makefile                  | 44 ++++++++++++++-
>   test/bpf-nops.c                | 99 ++++++++++++++++++++++++++++++++++
>   test/bpf-progs/nops_loop.bpf.c | 99 ++++++++++++++++++++++++++++++++++
>   3 files changed, 240 insertions(+), 2 deletions(-)
>   create mode 100644 test/bpf-nops.c
>   create mode 100644 test/bpf-progs/nops_loop.bpf.c
> 
> diff --git a/test/Makefile b/test/Makefile
> index 1bbae1cc..0a4f275a 100644
> --- a/test/Makefile
> +++ b/test/Makefile
> @@ -1,6 +1,12 @@
>   prefix ?= /usr
>   datadir ?= $(prefix)/share
>   
> +CLANG ?= clang
> +BPFTOOL ?= bpftool
> +BPF_PROGS_DIR = bpf-progs
> +BPF_OUTPUT = output/bpf/
> +BPF_VMLINUX ?= /sys/kernel/btf/vmlinux
> +
>   INSTALL=install
>   
>   ifneq ($(MAKECMDGOALS),clean)
> @@ -298,6 +304,17 @@ ifdef CONFIG_HAVE_CXX
>   endif
>   all_targets += sq-full-cpp.t
>   
> +bpf_tests := bpf-nops.c
> +opt_deps :=
> +
> +ifdef BPF_TESTS
> +	override CFLAGS += -I$(BPF_OUTPUT)
> +	override LDFLAGS += -lbpf
> +	test_srcs += $(bpf_tests)
> +	opt_deps += bpf-progs
> +endif
> +
> +$(info flags $(CFLAGS))

Some garbage output slipped through, I'll resend

-- 
Pavel Begunkov