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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
Date: Wed, 11 Nov 2020 01:04:53 +0000	[thread overview]
Message-ID: <B51AA745-00B6-4F2A-A7F0-461E845C8414@fb.com> (raw)
In-Reply-To: <20201110011932.3201430-4-andrii@kernel.org>



> On Nov 9, 2020, at 5:19 PM, Andrii Nakryiko <andrii@kernel.org> wrote:

[...]

> SPLIT BTF
> =========
> 
> $ for f in $(find . -name '*.ko'); do size -A -d $f | grep BTF | awk '{print $2}'; done | awk '{ s += $1 } END { print s }'
> 5194047
> 
> $ 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
> 
> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
> Signed-off-by: Andrii Nakryiko <andrii@kernel.org>

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

  reply	other threads:[~2020-11-11  1:05 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-10  1:19 [PATCH v4 bpf-next 0/5] Integrate kernel module BTF support Andrii Nakryiko
2020-11-10  1:19 ` [PATCH v4 bpf-next 1/5] bpf: add in-kernel split " Andrii Nakryiko
2020-11-10 17:49   ` Song Liu
2020-11-10 18:31     ` Andrii Nakryiko
2020-11-10 20:14       ` Song Liu
2020-11-10  1:19 ` [PATCH v4 bpf-next 2/5] bpf: assign ID to vmlinux BTF and return extra info for BTF in GET_OBJ_INFO Andrii Nakryiko
2020-11-10 20:24   ` Song Liu
2020-11-10  1:19 ` [PATCH v4 bpf-next 3/5] kbuild: build kernel module BTFs if BTF is enabled and pahole supports it Andrii Nakryiko
2020-11-11  1:04   ` Song Liu [this message]
2020-11-16 19:55     ` Allan, Bruce W
2020-11-16 20:34       ` Andrii Nakryiko
2020-11-16 21:24         ` Jakub Kicinski
2020-11-16 22:35           ` Andrii Nakryiko
2021-11-26 15:16           ` Fabian Grünbichler
2021-12-08  0:08             ` Andrii Nakryiko
2020-11-17  3:44   ` David Ahern
2020-11-10  1:19 ` [PATCH v4 bpf-next 4/5] bpf: load and verify kernel module BTFs Andrii Nakryiko
2020-11-11  7:11   ` kernel test robot
2020-11-11  7:11     ` kernel test robot
2020-11-11 10:13   ` Jessica Yu
2020-11-11 20:11     ` Andrii Nakryiko
2020-11-13 10:31       ` Jessica Yu
2020-11-13 18:54         ` Andrii Nakryiko
2020-11-10  1:19 ` [PATCH v4 bpf-next 5/5] tools/bpftool: add support for in-kernel and named BTF in `btf show` Andrii Nakryiko
2020-11-11  1:15   ` Song Liu
2020-11-11  4:19     ` Andrii Nakryiko
2020-11-11  7:44       ` Song Liu

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