| Message ID | 20200722043804.2373298-1-andriin@fb.com |
|---|---|
| State | Accepted |
| Delegated to: | BPF Maintainers |
| Headers | show |
| Series | [bpf-next] tools/bpftool: strip BPF .o files before skeleton generation | expand |
On 22/07/2020 05:38, Andrii Nakryiko wrote: > Strip away DWARF info from .bpf.o files, before generating BPF skeletons. > This reduces bpftool binary size from 3.43MB to 2.58MB. > > Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Quentin Monnet <quentin@isovalent.com>
On Wed, Jul 22, 2020 at 1:21 AM Quentin Monnet <quentin@isovalent.com> wrote: > > On 22/07/2020 05:38, Andrii Nakryiko wrote: > > Strip away DWARF info from .bpf.o files, before generating BPF skeletons. > > This reduces bpftool binary size from 3.43MB to 2.58MB. > > > > Signed-off-by: Andrii Nakryiko <andriin@fb.com> > Acked-by: Quentin Monnet <quentin@isovalent.com> Applied. Thanks
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index 51bd520ed437..8462690a039b 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -59,6 +59,7 @@ endif INSTALL ?= install RM ?= rm -f CLANG ?= clang +LLVM_STRIP ?= llvm-strip FEATURE_USER = .bpftool FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \ @@ -147,7 +148,7 @@ $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF) -I$(srctree)/tools/include/uapi/ \ -I$(LIBBPF_PATH) \ -I$(srctree)/tools/lib \ - -g -O2 -target bpf -c $< -o $@ + -g -O2 -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@ $(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP) $(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
Strip away DWARF info from .bpf.o files, before generating BPF skeletons. This reduces bpftool binary size from 3.43MB to 2.58MB. Signed-off-by: Andrii Nakryiko <andriin@fb.com> --- tools/bpf/bpftool/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)