From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3250BC3A59E for ; Wed, 21 Aug 2019 16:56:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E071322DD3 for ; Wed, 21 Aug 2019 16:56:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="e36ypw0w"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="LUAuq2xz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729587AbfHUQ4M (ORCPT ); Wed, 21 Aug 2019 12:56:12 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:38220 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728810AbfHUQ4K (ORCPT ); Wed, 21 Aug 2019 12:56:10 -0400 Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.16.0.27/8.16.0.27) with SMTP id x7LGkkXL014193; Wed, 21 Aug 2019 09:54:55 -0700 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=8t1EpPoUxfleunOlM6mhSpWHnlTn9YDr+q9AtRyzrnU=; b=e36ypw0wg0HGQqOYiNgj3KDO7p9XBUAB9uhr2MfUAWQOVW9GhYSHNLOiZ4VNy9t5qqNo WYhK9FlE8BIrpwsEE4qlB1TJEl8O6iEyQ44Hs/O6Fnr2Q3+V1qNWMhib5YTlHXYCKm70 3qHh5lIUSkI/t3nXRmejdAoLvGrJq43K938= Received: from mail.thefacebook.com (mailout.thefacebook.com [199.201.64.23]) by m0001303.ppops.net with ESMTP id 2uh8qcrch4-8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 21 Aug 2019 09:54:54 -0700 Received: from prn-mbx03.TheFacebook.com (2620:10d:c081:6::17) by prn-hub04.TheFacebook.com (2620:10d:c081:35::128) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5; Wed, 21 Aug 2019 09:54:51 -0700 Received: from prn-hub06.TheFacebook.com (2620:10d:c081:35::130) 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 15.1.1713.5; Wed, 21 Aug 2019 09:54:51 -0700 Received: from NAM03-BY2-obe.outbound.protection.outlook.com (192.168.54.28) by o365-in.thefacebook.com (192.168.16.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5 via Frontend Transport; Wed, 21 Aug 2019 09:54:51 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=L9F351kA+kMd6wF0rzDHp7J4oG3vK7zL+vt6PatjliF5LTeiW4kB00vtsTINC29lzA5FA+vfNncFhhT6kcE+wzdlvFUUQnhS++pncrqjv9VpYL+6xr0eWw+N+1Ooint8/V3vy8rmcvPG01i0uj7q1vZw2L/7jHBHsVBlOiEKp0xuGqEt+dAScK2rcEiXbbEUvOnwDBVwt1NFlhzC2n+1SG6DHGl8AV7Zokoz3B1TtvXrxut1XG4zHGWTMZm3NHWk5Mg7JcomIWlxrYF9U+XrTRgZUPKdGSL4az2Dj0LftmtFf/WhIZdtr0H5FEtHeSkEEXR5XpOZo6x6xH2BY2plYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8t1EpPoUxfleunOlM6mhSpWHnlTn9YDr+q9AtRyzrnU=; b=kFhTsH8g4b3wnMYemlqjvM7G8CLvSPGiERI0PPbjfEeD2D1cFOtgOuGgeUqAslpvCIRxhdoCmsfXec2gShrQVk3GnEhY6MKSaaX1YznNiUC2i+f9jnQRFRzYfJRNGuf/ZXot/8zZ+WJMJcRP1my5kw36jF0LNYg236tDRnhrUmeFevEfjAInjFaJHV0SLkchtISVQ0TRC5yAudrPmYdHbLH6rwVJVqjTeOJlTTpG+jjYSdjYF8yy3ThUcLDSlH7R9MLkv/22KJjF0eh0SOFrfyZP6j8Jpf+2bw2pp17fdkIo6Q4gPoWA+enJEhUx2zqHeunGM2i/8Bpm12Z0rgjQYg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fb.com; dmarc=pass action=none header.from=fb.com; dkim=pass header.d=fb.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector2-fb-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8t1EpPoUxfleunOlM6mhSpWHnlTn9YDr+q9AtRyzrnU=; b=LUAuq2xzXYWZm3pfC4RD5Br0BmaHqwJjED/myLrsflo3/cpZHKDp+CtCOKW8r/Yi4pFWVJztB3vxWtfWRyXqL8qRhJ0cef35JxMaFoK9DGcDW1OP4Iw/yZWC35RIW2l0YEMsP0kdo8y44CwekZiNRSzZiCGAS5nwBOVNCcG14GU= Received: from BYAPR15MB3384.namprd15.prod.outlook.com (20.179.59.17) by BYAPR15MB2360.namprd15.prod.outlook.com (52.135.198.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2157.23; Wed, 21 Aug 2019 16:54:47 +0000 Received: from BYAPR15MB3384.namprd15.prod.outlook.com ([fe80::d95b:271:fa7e:e978]) by BYAPR15MB3384.namprd15.prod.outlook.com ([fe80::d95b:271:fa7e:e978%5]) with mapi id 15.20.2178.020; Wed, 21 Aug 2019 16:54:47 +0000 From: Yonghong Song To: Peter Zijlstra , Daniel Xu CC: "bpf@vger.kernel.org" , Song Liu , Andrii Nakryiko , "mingo@redhat.com" , "acme@kernel.org" , Alexei Starovoitov , "alexander.shishkin@linux.intel.com" , "jolsa@redhat.com" , "namhyung@kernel.org" , "linux-kernel@vger.kernel.org" , Kernel Team , "Arnaldo Carvalho de Melo" Subject: Re: [PATCH v3 bpf-next 1/4] tracing/probe: Add PERF_EVENT_IOC_QUERY_PROBE ioctl Thread-Topic: [PATCH v3 bpf-next 1/4] tracing/probe: Add PERF_EVENT_IOC_QUERY_PROBE ioctl Thread-Index: AQHVWBDfYHIXKLzjJEaHryqNNkv52KcF0iEA Date: Wed, 21 Aug 2019 16:54:47 +0000 Message-ID: <62874df3-cae0-36a1-357f-b59484459e52@fb.com> References: <20190820144503.GV2332@hirez.programming.kicks-ass.net> <20190821110856.GB2349@hirez.programming.kicks-ass.net> In-Reply-To: <20190821110856.GB2349@hirez.programming.kicks-ass.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MWHPR17CA0057.namprd17.prod.outlook.com (2603:10b6:300:93::19) To BYAPR15MB3384.namprd15.prod.outlook.com (2603:10b6:a03:10e::17) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:200::2:f330] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 4d1f7ba8-f8d0-45bd-b892-08d72658460e x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR15MB2360; x-ms-traffictypediagnostic: BYAPR15MB2360: x-ms-exchange-purlcount: 1 x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:207; x-forefront-prvs: 0136C1DDA4 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(136003)(396003)(39860400002)(376002)(366004)(189003)(199004)(71190400001)(86362001)(14454004)(11346002)(5024004)(6306002)(966005)(99286004)(478600001)(66476007)(6506007)(46003)(2616005)(31686004)(6116002)(14444005)(36756003)(386003)(53546011)(102836004)(76176011)(6436002)(6486002)(229853002)(110136005)(54906003)(446003)(66946007)(53936002)(66556008)(476003)(256004)(7416002)(316002)(186003)(64756008)(25786009)(7736002)(6246003)(2906002)(81166006)(66446008)(5660300002)(71200400001)(8676002)(31696002)(81156014)(6512007)(4326008)(8936002)(52116002)(486006)(305945005);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB2360;H:BYAPR15MB3384.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: pYv1XFLjqtI496zsp0dfMFVJa0/2ZKomQlbxFRsO8Mi1goVTsTExbNwI/eLz6ffJM7bbT3hUbTes2E9zz06wxCEua9KoYuV/FeghXtZhnbyHixfActpB8AWiPO6klN8l/X9einKk6X2Vl39jqc9INsLJWfSLj4AFfTaKG7b/h3s6RqiQeSNhycoJhPixfnSVrNahU/F9kwB8iPZ7XRMjGwP+uhUIRuzasatbFwV0vIVtRKJehb27KidZMHFpZiil+lSjLxzUY4xMvTOV9sHww+39pXN+GgOwg+x4lLS4poKrSWlWG6trCpqNP7DZfEy/v03l/bBjLIcG2N96q5/HV9IEoVwwPMUk6kQwZmGs1wbmAgzzLv85pleBjwM2iT5nvTHbdBE8zgwqqBZUiyjpQ5fmqy3b85Sz7M5eAQc6n4I= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 4d1f7ba8-f8d0-45bd-b892-08d72658460e X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Aug 2019 16:54:47.2660 (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: lv3YgNbSJ1wAs52PgIESJbrt9eGBl1VKG03yTdPMkm4F/wqXYhn/GSKbQS/+xkPS X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2360 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-21_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908210173 X-FB-Internal: deliver Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCk9uIDgvMjEvMTkgNDowOCBBTSwgUGV0ZXIgWmlqbHN0cmEgd3JvdGU6DQo+IE9uIFR1ZSwg QXVnIDIwLCAyMDE5IGF0IDEwOjU4OjQ3QU0gLTA3MDAsIERhbmllbCBYdSB3cm90ZToNCj4+IEhp IFBldGVyLA0KPj4NCj4+IE9uIFR1ZSBBdWcgMjAsIDIwMTkgYXQgNDo0NSBQTSBQZXRlciBaaWps c3RyYSB3cm90ZToNCj4+PiBPbiBGcmksIEF1ZyAxNiwgMjAxOSBhdCAwMzozMTo0NlBNIC0wNzAw LCBEYW5pZWwgWHUgd3JvdGU6DQo+Pj4+IEl0J3MgdXNlZnVsIHRvIGtub3cgW3VrXXByb2JlJ3Mg bm1pc3NlZCBhbmQgbmhpdCBzdGF0cy4gRm9yIGV4YW1wbGUgd2l0aA0KPj4+PiB0cmFjaW5nIHRv b2xzLCBpdCdzIGltcG9ydGFudCB0byBrbm93IHdoZW4gZXZlbnRzIG1heSBoYXZlIGJlZW4gbG9z dC4NCj4+Pj4gZGVidWdmcyBjdXJyZW50bHkgZXhwb3NlcyBhIGNvbnRyb2wgZmlsZSB0byBnZXQg dGhpcyBpbmZvcm1hdGlvbiwgYnV0DQo+Pj4+IGl0IGlzIG5vdCBjb21wYXRpYmxlIHdpdGggcHJv YmVzIHJlZ2lzdGVyZWQgd2l0aCB0aGUgcGVyZiBBUEkuDQo+Pj4NCj4+PiBXaGF0IGlzIHRoaXMg bm1pc3NlZCBhbmQgbmhpdCBzdHVmZj8NCj4+DQo+PiBubWlzc2VkIGlzIHRoZSBudW1iZXIgb2Yg dGltZXMgdGhlIHByb2JlJ3MgaGFuZGxlciBzaG91bGQgaGF2ZSBiZWVuIHJ1bg0KPj4gYnV0IGRp ZG4ndC4gbmhpdCBpcyB0aGUgbnVtYmVyIG9mIHRpbWVzIHRoZSBwcm9iZXMgaGFuZGxlciBoYXMg cnVuLiBJJ3ZlDQo+PiBkb2N1bWVudGVkIHRoaXMgaW5mb3JtYXRpb24gaW4gdGhlIHVhcGkgaGVh ZGVyLiBJZiB5b3UnZCBsaWtlLCBJIGNhbiBwdXQNCj4+IGl0IGluIHRoZSBjb21taXQgbWVzc2Fn ZSB0b28uDQo+IA0KPiBUaGF0IGNvbW1lbnQganVzdCBzYXlzOiAnbnVtYmVyIG9mIHRpbWVzIHRo aXMgcHJvYmUgd2FzIHRlbXBvcmFyaWx5DQo+IGRpc2FibGVkJywgd2hpY2ggc2F5cyBleGFjdGx5 IG5vdGhpbmcuDQo+IA0KPiBCdXQgcmVhZGluZyB0aGUga3Byb2JlIGNvZGUgc2VlbXMgdG8gc3Vn Z2VzdCB0aGlzIGhhcHBlbnMgb24gcmVjdXJzaXZlDQo+IGtwcm9iZXMsIHdoaWNoIEknbSB0aGlu a2luZyBpcyBhIGRvZGd5IHNpdHVhdGlvbiBpbiB0aGUgZmlyc3QgcGxhY2UuDQo+IA0KPiBmdHJh Y2UgYW5kIHBlcmYgaW4gZ2VuZXJhbCBkb24ndCBrZWVwIGNvdW50cyBvZiBldmVudHMgbG9zdCBk dWUgdG8NCj4gcmVjdXJzaW9uLCBzbyB3aHkgc2hvdWxkIHdlIGRvIHRoaXMgZm9yIGtwcm9iZXM/ IEFsc28sIHdoaWxlIHlvdSB3cml0ZQ0KPiB0byBzdXBwb3J0IHVwcm9iZXMsIGl0IGRvZXNuJ3Qg YWN0dWFsbHkgc3VmZmVyIGZyb20gdGhpcyAoaXQgY2Fubm90LA0KPiB1cHJvYmVzIGNhbm5vdCBy ZWN1cnNlKSwgc28gc3VwcG9ydGluZyBpdCBtYWtlcyBubyBzZW5zZS4NCj4gDQo+IEFuZCB3aXRo IHRoYXQsIHRoZSBuYW1lIFFVRVJZX1BST0JFIGFsc28gbWFrZXMgbm8gc2Vuc2UsIGJlY2F1c2Ug aXQgaXMNCj4gbm90IHNwZWNpZmljIHRvIFt1a11wcm9iZXMsIGFsbCBzb2Z0d2FyZSBldmVudHMg c3VmZmVyIHRoaXMuDQo+IA0KPiBBbmQgSSdtIG5vdCBzdXJlIGFuIGFkZGl0aW9uYWwgaW9jdGwo KSBpcyB0aGUgcmlnaHQgd2F5LCBzdXBwb3Npbmcgd2UNCj4gd2FudCB0byBleHBvc2UgdGhpcyBh dCBhbGwuIFlvdSd2ZSBtZW50aW9uZWQgbm8gYWx0ZXJuYXRpdmUgYXBwcm9hY2hlZCwNCj4gSSdt IHRoaW5raW5nIFBFUkZfRk9STUFUX0xPU1QgbWlnaHQgYmUgcG9zc2libGUsIG9yIG1heWJlIGEN Cj4gUEVSRl9SRUNPUkRfTE9TVCBleHRlbnRpb24uDQoNClRoaW5ncyBnZXQgbW9yZSBjb21wbGlj YXRlZCB3aGVuIGJwZiBwcm9ncmFtIGlzIGV4ZWN1dGluZyB0byByZXBsYWNlDQpyaW5nIGJ1ZmZl ciBvdXRwdXQuDQoNCkN1cnJlbnRseSwgaW4ga2VybmVsL3RyYWNlL2JwZl90cmFjZS5jLCB3ZSBo YXZlDQoNCnVuc2lnbmVkIGludCB0cmFjZV9jYWxsX2JwZihzdHJ1Y3QgdHJhY2VfZXZlbnRfY2Fs bCAqY2FsbCwgdm9pZCAqY3R4KQ0Kew0KICAgICAgICAgdW5zaWduZWQgaW50IHJldDsNCg0KICAg ICAgICAgaWYgKGluX25taSgpKSAvKiBub3Qgc3VwcG9ydGVkIHlldCAqLw0KICAgICAgICAgICAg ICAgICByZXR1cm4gMTsNCg0KICAgICAgICAgcHJlZW1wdF9kaXNhYmxlKCk7DQoNCiAgICAgICAg IGlmICh1bmxpa2VseShfX3RoaXNfY3B1X2luY19yZXR1cm4oYnBmX3Byb2dfYWN0aXZlKSAhPSAx KSkgew0KICAgICAgICAgICAgICAgICAvKg0KICAgICAgICAgICAgICAgICAgKiBzaW5jZSBzb21l IGJwZiBwcm9ncmFtIGlzIGFscmVhZHkgcnVubmluZyBvbiB0aGlzIGNwdSwNCiAgICAgICAgICAg ICAgICAgICogZG9uJ3QgY2FsbCBpbnRvIGFub3RoZXIgYnBmIHByb2dyYW0gKHNhbWUgb3IgZGlm ZmVyZW50KQ0KICAgICAgICAgICAgICAgICAgKiBhbmQgZG9uJ3Qgc2VuZCBrcHJvYmUgZXZlbnQg aW50byByaW5nLWJ1ZmZlciwNCiAgICAgICAgICAgICAgICAgICogc28gcmV0dXJuIHplcm8gaGVy ZQ0KICAgICAgICAgICAgICAgICAgKi8NCiAgICAgICAgICAgICAgICAgcmV0ID0gMDsNCiAgICAg ICAgICAgICAgICAgZ290byBvdXQ7DQogICAgICAgICB9DQouLi4uLg0KDQpJbiB0aGUgYWJvdmUs IHRoZSBldmVudHMgd2l0aCBicGYgcHJvZ3JhbSBhdHRhY2hlZCB3aWxsIGJlIG1pc3NlZA0KaWYg dGhlIGNvbnRleHQgaXMgbm1pIGludGVycnVwdCwgb3IgaWYgc29tZSByZWN1cnNpb24gaGFwcGVu cyBldmVuIHdpdGggDQp0aGUgc2FtZSBvciBkaWZmZXJlbnQgYnBmIHByb2dyYW1zLg0KSW4gY2Fz ZSBvZiByZWN1cnNpb24sIHRoZSBldmVudHMgd2lsbCBub3QgYmUgc2VudCB0byByaW5nIGJ1ZmZl ci4NCg0KQSBsb3Qgb2YgYnBmLWJhc2VkIHRyYWNpbmcgcHJvZ3JhbXMgdXNlcyBtYXBzIHRvIGNv bW11bmljYXRlIGFuZA0KZG8gbm90IGFsbG9jYXRlIHJpbmcgYnVmZmVyIGF0IGFsbC4NCg0KTWF5 YmUgd2UgY2FuIHN0aWxsIHVzZSBpb2N0bCBiYXNlZCBhcHByb2FjaCB3aGljaCBpcyBsaWdodCB3 ZWlnaHRlZA0KY29tcGFyZWQgdG8gcmluZyBidWZmZXIgYXBwcm9hY2g/IElmIGEgZmQgaGFzIGJw ZiBhdHRhY2hlZCwgbmhpdC9ubWlzc2VzDQptZWFucyB0aGUga3Byb2JlIGlzIHByb2Nlc3NlZCBi eSBicGYgcHJvZ3JhbSBvciBub3QuDQoNCkN1cnJlbnRseSwgZm9yIGRlYnVnZnMsIHRoZSBuaGl0 L25taXNzZXMgaW5mbyBpcyBleHBvc2VkIGF0DQp7a3x1fXByb2JlX3Byb2ZpbGUuIEFsdGVybmF0 aXZlLCB3ZSBjb3VsZCBleHBvc2UgdGhlIG5oaXQvbm1pc3Nlcw0KaW4gL3Byb2Mvc2VsZi9mZGlu Zm8vPGZkPi4gVXNlciBjYW4gcXVlcnkgdGhpcyBpbnRlcmZhY2UgdG8NCmdldCBudW1iZXJzLg0K DQpBcm5hbGRvIGhhcyBhIHF1ZXN0aW9uIG9uIGJjYyBtYWlsaW5nIGxpc3QgYWJvdXQgdGhlIGhp dC9taXNzDQpjb3VudGluZyBvZiBicGYgcHJvZ3JhbSBtaXNzZWQgdG8gcHJvY2VzcyBldmVudHMu DQoNCmh0dHBzOi8vbGlzdHMuaW92aXNvci5vcmcvZy9pb3Zpc29yLWRldi9tZXNzYWdlLzE3ODMN Cg0KQ29tbWVudHM/DQoNCg0KPiANCj4gT2YgY291cnNlLCB0aGVuIHlvdSBnZXQgdG8gaW1wbGVt ZW50IGl0IGZvciB0cmFjZXBvaW50cyBhbmQgc29mdHdhcmUNCj4gZXZlbnRzIHRvby4NCj4gDQo=