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Wed, 11 Nov 2020 01:04:53 +0000 From: Song Liu To: Andrii Nakryiko CC: bpf , Networking , "Alexei Starovoitov" , Daniel Borkmann , Kernel Team , open list , "rafael@kernel.org" , "jeyu@kernel.org" , Arnaldo Carvalho de Melo , Greg Kroah-Hartman , Masahiro Yamada 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 Message-ID: References: <20201110011932.3201430-1-andrii@kernel.org> <20201110011932.3201430-4-andrii@kernel.org> In-Reply-To: <20201110011932.3201430-4-andrii@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3608.120.23.2.4) authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=fb.com; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB2999.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a32ac7cf-8e1b-415a-a893-08d885ddcc45 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Nov 2020 01:04:53.3779 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6qynP8IRSmmaXrlpI9vHVYGPmBKFt9NkcXlD4apc3lf8asD3DLqDFE2PHEbtXCHnLHIuws01PH3ZA9tyjVZtMA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB3047 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-10_09:2020-11-10,2020-11-10 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 spamscore=0 bulkscore=0 malwarescore=0 phishscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011110002 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org > On Nov 9, 2020, at 5:19 PM, Andrii Nakryiko 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 > Signed-off-by: Andrii Nakryiko Acked-by: Song Liu =