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Tue, 24 Nov 2020 23:52:43 +0000 From: Song Liu To: Jiri Olsa CC: open list , Kernel Team , "peterz@infradead.org" , "mingo@redhat.com" , "acme@kernel.org" , "mark.rutland@arm.com" , "alexander.shishkin@linux.intel.com" , "namhyung@kernel.org" Subject: Re: [RFC 1/2] perf: support build BPF skeletons with perf Thread-Topic: [RFC 1/2] perf: support build BPF skeletons with perf Thread-Index: AQHWvi+b1vCwOQIg40KNUQdgLO76QanU0+mAgAMphIA= Date: Tue, 24 Nov 2020 23:52:43 +0000 Message-ID: References: <20201119045046.1491106-1-songliubraving@fb.com> <20201119045046.1491106-2-songliubraving@fb.com> <20201122233521.GD1902740@krava> In-Reply-To: <20201122233521.GD1902740@krava> 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: redhat.com; dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=fb.com; x-originating-ip: [2620:10d:c090:400::5:f2e3] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 382abaf0-96e6-41f6-ecbc-08d890d40927 x-ms-traffictypediagnostic: BYAPR15MB2566: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-fb-source: Internal x-ms-oob-tlc-oobclassifiers: OLM:9508; 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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: 382abaf0-96e6-41f6-ecbc-08d890d40927 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Nov 2020 23:52:43.3243 (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: ptyBlo/dE9y/LDpN7R4YUSyRyFd236ffPwy7fmFZ80XCsYOFfu7DZNfQa5P35Ng/g/kxbcLIB291s5/FvjnR4w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2566 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-24_11:2020-11-24,2020-11-24 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 phishscore=0 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 mlxlogscore=928 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011240139 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Nov 22, 2020, at 3:35 PM, Jiri Olsa wrote: >=20 > On Wed, Nov 18, 2020 at 08:50:45PM -0800, Song Liu wrote: >> BPF programs are useful in perf to profile BPF programs. BPF skeleton is >> by far the easiest way to write BPF tools. Enable building BPF skeletons >> in util/bpf_skel. A dummy bpf skeleton is added. More bpf skeletons will >> be added for different use cases. >=20 > I was just in a place adding bpf program to perf as well, > so this will save me some time ;-) thanks! I'd love to learn about your plan. Maybe we have some similar ideas,=20 and could collaborate on them.=20 Thanks, Song