Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp5169213imu; Tue, 8 Jan 2019 12:48:52 -0800 (PST) X-Google-Smtp-Source: ALg8bN4RQXKK40ovP94begTP1Nv5c9ZSr9g+iz6McIcFPT+29dmjWB57qqw07lh2Gy1ahO2+GJx1 X-Received: by 2002:a17:902:7005:: with SMTP id y5mr3311487plk.7.1546980532573; Tue, 08 Jan 2019 12:48:52 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1546980532; cv=none; d=google.com; s=arc-20160816; b=SNExwhg5il5HkKm0pI/lJtm4fNtW2sjRL9jFJ6kcOIPL0S2QdXK+UWPDQG1nWySJ9U w+r+rkrZW59WKs32XGMSnqpz2z7ucNQlhC6pCzrCgYVhnai6xDL2651CIJy6lHhbLjZh J8zCdz6mHSVfN4UPY03ECV0dmvN+/F4YhqRLkDTenpgI29r6ev8JPra+vh53brAyicPE m9M+dWM6jOHXSJQdrjd5KD1aqwKeLfwfXB8CJ9EG6dJdS1p6ntyGY3FpxkRIaxRa1csk SW90hCMA41AjF7A3iQosCaJi5yHx7VNwEiunFS+/1N5JMefl5mih/dODdDntIrTKlL8V uZKQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:spamdiagnosticmetadata:spamdiagnosticoutput :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature :dkim-signature; bh=XSg3vuTFrc7QLeVh9twoJ7MBZtBF7cAQMHeTx6wOV0Q=; b=c02atJRtkLOB2+c8eCCItdlq2Y1VqyHTLSXS/80sKFMU0qzDt5DTf3kojdw33TQUel 2itAjmzF04zXQgcm6+QfSSBM7e6f3FSCasfr4dBTc4ooy7IKKvhiz5LMlr1xT8kIDi9Z dJ55owu2c8Sws94ZHLEZFHN/38qZWu20r/gNcXn7fWTGX/ENwvulR4CNWY4xN+yXFSBe cuEf79WvMRxfzixaOf1ILcH6p64d1v0okEaJpTebsyb+CLchFzpuSb2PbD6jQipJgBnu zs7oCOhyn6i6nw0lQqLKqfyAzQQCcACUT7GlKLIr6BqplS8A8cqYJjWH9ntjQLz6nubG 96xw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@fb.com header.s=facebook header.b=efjbNIgK; dkim=pass header.i=@fb.onmicrosoft.com header.s=selector1-fb-com header.b=GA2tJO5y; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=fb.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r8si9208345plo.203.2019.01.08.12.48.30; Tue, 08 Jan 2019 12:48:52 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@fb.com header.s=facebook header.b=efjbNIgK; dkim=pass header.i=@fb.onmicrosoft.com header.s=selector1-fb-com header.b=GA2tJO5y; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=fb.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729467AbfAHUpz (ORCPT + 99 others); Tue, 8 Jan 2019 15:45:55 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:41040 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728723AbfAHUpz (ORCPT ); Tue, 8 Jan 2019 15:45:55 -0500 Received: from pps.filterd (m0001255.ppops.net [127.0.0.1]) by mx0b-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x08Kb7AN023428; Tue, 8 Jan 2019 12:45:24 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=facebook; bh=XSg3vuTFrc7QLeVh9twoJ7MBZtBF7cAQMHeTx6wOV0Q=; b=efjbNIgK31awvY9IMELCxmCso6APWBNUjAm0I0R8aR8SFtYsXfINQUcGrZCk5xXuO4z7 KX6p7xKsZPjnF4gsZAZsuY3TUrnrSwnkPzHxC1dI1kZLhmDhQcNkIELwoZlQl1F7yAXz gpglRiyMSq3DlXSgsHO9dp/pMId5pI3PlqU= Received: from mail.thefacebook.com ([199.201.64.23]) by mx0b-00082601.pphosted.com with ESMTP id 2pw1hrrbx9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 08 Jan 2019 12:45:24 -0800 Received: from prn-mbx03.TheFacebook.com (2620:10d:c081:6::17) by prn-hub06.TheFacebook.com (2620:10d:c081:35::130) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1531.3; Tue, 8 Jan 2019 12:45:23 -0800 Received: from prn-hub01.TheFacebook.com (2620:10d:c081:35::125) by prn-mbx03.TheFacebook.com (2620:10d:c081:6::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1531.3; Tue, 8 Jan 2019 12:45:22 -0800 Received: from NAM03-DM3-obe.outbound.protection.outlook.com (192.168.54.28) by o365-in.thefacebook.com (192.168.16.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1531.3 via Frontend Transport; Tue, 8 Jan 2019 12:45:22 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector1-fb-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XSg3vuTFrc7QLeVh9twoJ7MBZtBF7cAQMHeTx6wOV0Q=; b=GA2tJO5yoMbg0f8Z5A5RcBVV0bdiL7UMXqZ/YbJRVuSy9b9tqKJhB/kItYCsexk64mtLTHzzurXsIdugJkYtSBP1WLv48VQYkh8OPDaAv7bIN2SZlZheou2KHUfoIoohUpdPnrJYENXb7ygRK3O3STmFnE6y/R+zi3hT+MGxLK4= Received: from BYAPR15MB2501.namprd15.prod.outlook.com (52.135.196.11) by BYAPR15MB2231.namprd15.prod.outlook.com (52.135.196.158) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1495.6; Tue, 8 Jan 2019 20:45:19 +0000 Received: from BYAPR15MB2501.namprd15.prod.outlook.com ([fe80::e12c:c450:3e9f:4ef6]) by BYAPR15MB2501.namprd15.prod.outlook.com ([fe80::e12c:c450:3e9f:4ef6%4]) with mapi id 15.20.1495.011; Tue, 8 Jan 2019 20:45:19 +0000 From: Alexei Starovoitov To: Peter Zijlstra , Song Liu CC: "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "acme@kernel.org" , "ast@kernel.org" , "daniel@iogearbox.net" , Kernel Team Subject: Re: [PATCH v5 perf, bpf-next 3/7] perf, bpf: introduce PERF_RECORD_BPF_EVENT Thread-Topic: [PATCH v5 perf, bpf-next 3/7] perf, bpf: introduce PERF_RECORD_BPF_EVENT Thread-Index: AQHUmJHzTcneBvFiJEmnpKLooFaM96Wl8IGAgAAEeQA= Date: Tue, 8 Jan 2019 20:45:19 +0000 Message-ID: References: <20181220182904.4193196-1-songliubraving@fb.com> <20181220182904.4193196-4-songliubraving@fb.com> <20190108202915.GE30894@hirez.programming.kicks-ass.net> In-Reply-To: <20190108202915.GE30894@hirez.programming.kicks-ass.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MW2PR2101CA0032.namprd21.prod.outlook.com (2603:10b6:302:1::45) To BYAPR15MB2501.namprd15.prod.outlook.com (2603:10b6:a02:88::11) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:200::7:958e] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BYAPR15MB2231;20:pk35UwuCpwtvA8EeUY2Ce/+11iPCFbk0OaW4pc0a/amr1KmLSqmlD7+kOTrk82ZlQ7B0/pOgsveW5/f72ja0gAlle+Q4/D6dMBOOF4ShZFrAnRLaojpNPVm+Q/b2IkpWCKjJWDL9pkR5NeGSqk8zUbkqxqWynaRuSGWYL1dxOlc= x-ms-office365-filtering-correlation-id: 5932dd50-b011-48cd-be42-08d675aa33d8 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600109)(711020)(2017052603328)(7153060)(7193020);SRVR:BYAPR15MB2231; x-ms-traffictypediagnostic: BYAPR15MB2231: x-microsoft-antispam-prvs: x-forefront-prvs: 0911D5CE78 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(39860400002)(346002)(136003)(376002)(366004)(189003)(199004)(478600001)(31696002)(99286004)(6246003)(316002)(31686004)(575784001)(86362001)(229853002)(105586002)(76176011)(6506007)(14454004)(6512007)(36756003)(7736002)(305945005)(4326008)(52116002)(53936002)(110136005)(54906003)(25786009)(6486002)(106356001)(6436002)(2616005)(53546011)(11346002)(446003)(6116002)(8676002)(2906002)(386003)(81166006)(81156014)(71190400001)(71200400001)(8936002)(6636002)(486006)(256004)(476003)(5660300001)(97736004)(68736007)(46003)(102836004)(186003);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB2231;H:BYAPR15MB2501.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: XgNyjwZeXIBwspQyU3Jf+4eKWCq003BE1MGbHvUTd/XhGvU8g6ELjmHNHaabAmXB7M+q1UbaH+lP1Ronw7RO8z7ra0w/o3j5i/tfOlqsOG2b6ZBCw5wYQ2+p7MzVr9Y2U3Ongu2tFkpmLxbHJcoEItxsJAKJSuzFCyVMP0cHWJkcHGYwbM+TDTW0UomlHt7U3z/eGQKvUb066Mpcum4ZTc7dfu2cIXygyqv+/Fi6o+5d2RjV9l04lidxPDkwc5BbgHQ4DHte/o+kulgBDTlwu8dDLCzYjQu/Cw++o8Kh4AAoHVXojiN8Nrc2gu8XOSUv spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 5932dd50-b011-48cd-be42-08d675aa33d8 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jan 2019 20:45:19.7048 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2231 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-01-08_11:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gMS84LzE5IDEyOjI5IFBNLCBQZXRlciBaaWpsc3RyYSB3cm90ZToNCj4gT24gVGh1LCBEZWMg MjAsIDIwMTggYXQgMTA6Mjk6MDBBTSAtMDgwMCwgU29uZyBMaXUgd3JvdGU6DQo+PiBUaGUgZm9s bG93aW5nIGV4YW1wbGUgc2hvd3Mga2VybmVsIHN5bWJvbHMgZm9yIGEgQlBGIHByb2dyYW0gd2l0 aCA3DQo+PiBzdWIgcHJvZ3JhbXM6DQo+Pg0KPj4gICAgICBmZmZmZmZmZmEwMjU3Y2Y5IHQgYnBm X3Byb2dfYjA3Y2NiODkyNjdjZjI0Ml9GDQo+PiAgICAgIGZmZmZmZmZmYTAyNTkyZTEgdCBicGZf cHJvZ18yZGNlY2MxODA3MjYyM2ZjX0YNCj4+ICAgICAgZmZmZmZmZmZhMDI1YjBlOSB0IGJwZl9w cm9nX2JiN2E0MDVlYmFlYzVkNWNfRg0KPj4gICAgICBmZmZmZmZmZmEwMjVkZDJjIHQgYnBmX3By b2dfYTc1NDBkNGEzOWVjMWZjN19GDQo+PiAgICAgIGZmZmZmZmZmYTAyNWZjY2EgdCBicGZfcHJv Z18wNTc2MmQ0YWRlMGUzNzM3X0YNCj4+ICAgICAgZmZmZmZmZmZhMDI2MTA4ZiB0IGJwZl9wcm9n X2RiNGJkMTFlMzVkZjkwZDRfRg0KPj4gICAgICBmZmZmZmZmZmEwMjYzZjAwIHQgYnBmX3Byb2df ODlkNjRlNGFiZjBmMDEyNl9GDQo+PiAgICAgIGZmZmZmZmZmYTAyNTdjZjkgdCBicGZfcHJvZ19h ZTMxNjI5MzIyYzRiMDE4X19kdW1teV90cmFjZXBvaQ0KPiANCj4gV2Ugc2hvdWxkIHByb2JhYmx5 IHNwZWNpZnkgc29tZXdoZXJlIHRoYXQgdGhlIG5hbWUgY2FuIGluY2x1ZGUgYQ0KPiAnW21vZHVs ZV0nIHBhcnQganVzdCBsaWtlIG5vcm1hbCBrYWxsc3ltcy4gRXZlbiB0aG91Z2ggeW91IGRvbid0 DQo+IGN1cnJlbnRseSB1c2UgdGhhdC4NCg0KdGhlcmUgaXMgbm8gW21vZHVsZV0gZXF1aXZhbGVu dCBpbiBicGYgbGFuZC4NClRoZSBwcm9ncyBsb2FkZWQgYnkgZGlmZmVyZW50IHVzZXJzIGNhbiBi ZSBzaGFyZWQuDQpUaGVyZSBpcyBubyBzdHJpY3QgdHJlZSBoaWVyYXJjaHkgKGxpa2UgaW4gbW9k dWxlcykNCndoZXJlIHRoZXJlIGlzIG9uZSByb290IGFuZCBhIGJ1bmNoIG9mIGZ1bmN0aW9uIHVu ZGVybmVhdGguDQpJbiBicGYgYWxsIHRoZXNlIGZ1bmN0aW9ucyBmb3JtIGEgZ3JhcGggYW5kIGNh biBjYWxsIGVhY2ggb3RoZXIuDQpTYW1lIHdpdGggbWFwcyB0aGF0IGFyZSBzaGFyZWQgYnkgZGlm ZmVyZW50IHByb2dzIG9mIGRpZmZlcmVudCB0eXBlcy4NCkxpa2UgbmV0d29ya2luZyBwcm9nIGFu ZCB0cmFjaW5nIHByb2cgY2FuIHNoYXJlIGNvbW1vbiBtYXAuDQo=