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Wed, 9 Dec 2020 23:30:52 +0000 From: Song Liu To: Arnaldo Carvalho de Melo CC: lkml , Kernel Team , "peterz@infradead.org" , "mingo@redhat.com" , "mark.rutland@arm.com" , "alexander.shishkin@linux.intel.com" , "jolsa@redhat.com" , "namhyung@kernel.org" Subject: Re: [PATCH v3 0/2] Introduce perf-stat -b for BPF programs Thread-Topic: [PATCH v3 0/2] Introduce perf-stat -b for BPF programs Thread-Index: AQHWzY5X7fYeXQ1n+0S4TM83rrVmUKnvCIOAgABjCYA= Date: Wed, 9 Dec 2020 23:30:52 +0000 Message-ID: References: <20201208181646.3044417-1-songliubraving@fb.com> <20201209173623.GA185686@kernel.org> In-Reply-To: <20201209173623.GA185686@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; x-originating-ip: [2620:10d:c090:400::5:d023] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a202d464-a317-4b5d-676b-08d89c9a77eb x-ms-traffictypediagnostic: SJ0PR15MB4201: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-fb-source: Internal x-ms-oob-tlc-oobclassifiers: OLM:6790; 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charset="us-ascii" Content-ID: <894D72ADB99B1F4896D42460D2AF0FB1@namprd15.prod.outlook.com> 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: a202d464-a317-4b5d-676b-08d89c9a77eb X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Dec 2020 23:30:52.2168 (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: W91ZEPNFpBYg3L9RLMCe28KO/JveDj8tIvysS23w84NhVssYHjfCYRBv0493SIPYW1EjEdR+A72q+hd4eFdlAg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR15MB4201 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2020-12-09_19:2020-12-09,2020-12-09 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 adultscore=0 mlxlogscore=999 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012090161 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Dec 9, 2020, at 9:36 AM, Arnaldo Carvalho de Melo wr= ote: >=20 > Em Tue, Dec 08, 2020 at 10:16:44AM -0800, Song Liu escreveu: >> This set introduces perf-stat -b option to count events for BPF programs= . >> This is similar to bpftool-prog-profile. But perf-stat makes it much mor= e >> flexible. >>=20 >> Changes v2 =3D> v3: >> 1. Small fixes in Makefile.perf and bpf_counter.c (Jiri) >> 2. Rebased on top of bpf-next. This is because 1/2 conflicts with some >> patches in bpftool/Makefile. >=20 > Can't you split that up so that I can process the perf part and the > bpftool goes via the bpf-next tree? Actually, I can make it conflict-less, so we can route everything together. I also put the change to bpftool/Makefile in a separate patch in v4.=20 Thanks, Song