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From:   Song Liu <songliubraving@fb.com>
To:     Andrii Nakryiko <andrii@kernel.org>
CC:     bpf <bpf@vger.kernel.org>, Networking <netdev@vger.kernel.org>,
        "Alexei Starovoitov" <ast@fb.com>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Kernel Team <Kernel-team@fb.com>,
        open list <linux-kernel@vger.kernel.org>,
        "rafael@kernel.org" <rafael@kernel.org>,
        "jeyu@kernel.org" <jeyu@kernel.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: Re: [PATCH v4 bpf-next 3/5] kbuild: build kernel module BTFs if BTF
 is enabled and pahole supports it
Thread-Topic: [PATCH v4 bpf-next 3/5] kbuild: build kernel module BTFs if BTF
 is enabled and pahole supports it
Thread-Index: AQHWtwBl0rtpue6+O0iiiyvLLCxW2anCH1EA
Date:   Wed, 11 Nov 2020 01:04:53 +0000
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References: <20201110011932.3201430-1-andrii@kernel.org>
 <20201110011932.3201430-4-andrii@kernel.org>
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> On Nov 9, 2020, at 5:19 PM, Andrii Nakryiko <andrii@kernel.org> wrote:

[...]

> SPLIT BTF
> =3D=3D=3D=3D=3D=3D=3D=3D=3D
>=20
> $ for f in $(find . -name '*.ko'); do size -A -d $f | grep BTF | awk '{pr=
int $2}'; done | awk '{ s +=3D $1 } END { print s }'
> 5194047
>=20
> $ for f in $(find . -name '*.ko'); do printf "%s %d\n" $f $(size -A -d $f=
 | grep BTF | awk '{print $2}'); done | sort -nr -k2 | head -n10
> ./drivers/gpu/drm/i915/i915.ko 293206
> ./drivers/gpu/drm/radeon/radeon.ko 282103
> ./fs/xfs/xfs.ko 222150
> ./drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko 198503
> ./drivers/infiniband/hw/mlx5/mlx5_ib.ko 198356
> ./drivers/net/ethernet/broadcom/bnx2x/bnx2x.ko 113444
> ./fs/cifs/cifs.ko 109379
> ./arch/x86/kvm/kvm.ko 100225
> ./drivers/gpu/drm/drm.ko 94827
> ./drivers/infiniband/core/ib_core.ko 91188
>=20
> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
> Signed-off-by: Andrii Nakryiko <andrii@kernel.org>

Acked-by: Song Liu <songliubraving@fb.com>=