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Thu, 10 Dec 2020 00:32:32 +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+0S4TM83rrVmUKnvCIOAgABjCYCAABE7gA== Date: Thu, 10 Dec 2020 00:32:32 +0000 Message-ID: References: <20201208181646.3044417-1-songliubraving@fb.com> <20201209173623.GA185686@kernel.org> In-Reply-To: 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: 516a9edc-e3e2-4846-d3e5-08d89ca3153f x-ms-traffictypediagnostic: BYAPR15MB4247: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-fb-source: Internal x-ms-oob-tlc-oobclassifiers: OLM:6430; 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charset="us-ascii" Content-ID: <7207D2BBA1D8644EBCB8028598970158@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: 516a9edc-e3e2-4846-d3e5-08d89ca3153f X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Dec 2020 00:32:32.1582 (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: 7CMTW7D9XnGkoCf9U90CkQgduo1HfCTxdTd+5nkEr2/Lcchxqih24BqkA7BG0htno1FbGdK88iV9dJMAA1sjSQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB4247 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 phishscore=0 adultscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 mlxlogscore=999 malwarescore=0 impostorscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012100001 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Dec 9, 2020, at 3:30 PM, Song Liu wrote: >=20 >=20 >=20 >> On Dec 9, 2020, at 9:36 AM, Arnaldo Carvalho de Melo w= rote: >>=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 program= s. >>> This is similar to bpftool-prog-profile. But perf-stat makes it much mo= re >>> 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? >=20 > Actually, I can make it conflict-less, so we can route everything togethe= r. > I also put the change to bpftool/Makefile in a separate patch in v4.=20 Well, it is a little tricky. bpf-next renamed the bootstrap version binary,= =20 from bpftool-bootstrap to bootstrap/bpftool. So we will need a follow up=20 patch after the two merge.=20 Song