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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 41F4FE77184 for ; Thu, 19 Dec 2024 18:46:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 01DAF10ED9E; Thu, 19 Dec 2024 18:46:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="H0dkJg8u"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 16B0E10ED9E for ; Thu, 19 Dec 2024 18:46:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1734634002; x=1766170002; h=date:from:to:cc:subject:message-id:references: content-transfer-encoding:in-reply-to:mime-version; bh=nqgJmp4GBxpnfia1AHLmDa+dY5VnEyPdy1OGGOf8QI8=; b=H0dkJg8uOdj8Sa1gedpbX4BV49jocKgmtc89e8Cuu2VMGYQPCQS9Ib4A uyIoXFKPb1nq6BkTOVcwOuqEaq8HGT2l5CFLZbLKehOH1k0DZaF3aMEdF 8xAJkQE1lqmsvQ8XlWwstFvjSxT9Nt/UQufZfOlAhMiNS0Guip88dCNNn IJryVk+whoTebcwXlHq+pFjR0zazBaOCMAGuM29qtz+BmGKcaLsYOsmaX 8QMLweGuUY5YDctrtuwg3lML4a4SeuTr/SiaLRtthgehzXisbS7q54SJ3 tknjync+wiChNM1lay8Sxy2W0iK80eKm48ZsO1V59QoTJE1MsjVZiXAnW Q==; X-CSE-ConnectionGUID: X+C0Px47Qxm+j0XwoO3VFw== X-CSE-MsgGUID: qIJaHARtSAWzIRmp5EeC7w== X-IronPort-AV: E=McAfee;i="6700,10204,11291"; a="38845193" X-IronPort-AV: E=Sophos;i="6.12,248,1728975600"; d="scan'208";a="38845193" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Dec 2024 10:46:41 -0800 X-CSE-ConnectionGUID: LblFKZpgQkqdgCAA/fterg== X-CSE-MsgGUID: rl+Hvx2lS+yhpByYEsv0gw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,248,1728975600"; d="scan'208";a="103153260" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmviesa004.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 19 Dec 2024 10:46:41 -0800 Received: from orsmsx601.amr.corp.intel.com (10.22.229.14) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Thu, 19 Dec 2024 10:46:40 -0800 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44 via Frontend Transport; Thu, 19 Dec 2024 10:46:40 -0800 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (104.47.59.174) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Thu, 19 Dec 2024 10:46:37 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ObNRZa/wEZ4wKTtlI4mlBaYF720nw3cbFIhIjanK2os/e+xBGukhRe2Ek5kRt8teOOuD8g9Vveyv26fCwerzMgmE7juPFAyHCTbCmlX4FSpfjP4zY9mQKhJIwk77O8R8YUtdz7SsqDAT81FU1SAy4WacU2iZ/AvZ7BHpwMTYfTVrKNXziffNwy1PojPdtxMC4VrdX9g1YJ8oZpqOg0D2yDK+zdavVGOqEt3cDepw6ERjYNEpDTPtAkTWxdO70QHZ/Ma3+nJ4RR+QxLYKa7p0jf286Lsud/FmzZqxhShhiqtTXCzr+ssRytauqqQ0EybHwXSd7iqSDlKvoaysduP5zQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=kB6mwQ63CBGs17W8sn/NsM/Gq4vSSKr8YYfow7bQbQ0=; b=enGRwHObg05vCYOoSghYT3hpvEYa8U+a125MIKpX9YCrjd2BGcmJ1aIoRO1ylnb3XcSbJb+nEp1QdcofzwUxTR/fSJLlX0HGGTR1Dn9fZsoYVRyoRrMik+o645J+P2icik2vCqQdiQPKxlpRt0n2TiJ5SFhHeq7HrqrqVNIgdCOPmLqg67yVb1CWDHZ8lYHQOEA78hpnikVGdHZrGLPHIt1OhFJug66Da4fI6N8oG+1axJStzWR+93SSoFOu7Fux7hcLYNBYT72xF9pmaIHpMjPUiqtnc30aStbRuSklIOpsHSFxP+VGEACGyfAtLKWQvDcUD2QORpUVxumLtvOyLg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from DS0PR11MB7408.namprd11.prod.outlook.com (2603:10b6:8:136::15) by CH3PR11MB8775.namprd11.prod.outlook.com (2603:10b6:610:1c7::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8272.14; Thu, 19 Dec 2024 18:46:08 +0000 Received: from DS0PR11MB7408.namprd11.prod.outlook.com ([fe80::6387:4b73:8906:7543]) by DS0PR11MB7408.namprd11.prod.outlook.com ([fe80::6387:4b73:8906:7543%3]) with mapi id 15.20.8272.005; Thu, 19 Dec 2024 18:46:08 +0000 Date: Thu, 19 Dec 2024 10:46:06 -0800 From: Umesh Nerlige Ramappa To: Riana Tauro CC: Lucas De Marchi , , , , , , , , Subject: Re: [PATCH v2 8/8] drm/xe/pmu: Add PMU support for engine busyness Message-ID: References: <20241121063904.3033754-1-riana.tauro@intel.com> <20241121063904.3033754-9-riana.tauro@intel.com> <4k3j4q3sakdke5fd3l25rrntjtdjxcm6447xg66czx6whofjbb@jel5xjc7kf77> <5165cae4-729e-4b78-84d6-fbbbb3470fb9@intel.com> <517cea2a-96ae-4f78-9761-ec3f553516dd@intel.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-ClientProxiedBy: MW4PR04CA0064.namprd04.prod.outlook.com (2603:10b6:303:6b::9) To DS0PR11MB7408.namprd11.prod.outlook.com (2603:10b6:8:136::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR11MB7408:EE_|CH3PR11MB8775:EE_ X-MS-Office365-Filtering-Correlation-Id: 9751f8b2-4779-4c86-807b-08dd205d66d4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?NDBwN2pPOWJsNHdZWEFYUWEyZ2VWNGpQQlhtUGU5Tm5zWVdzajM1V2VyZ1VD?= =?utf-8?B?NlBEWlNIZFdKeGVuOVdqMk4wNEx6UHlQaVJhUHNkZS9zUUJIZTZPSm1IbGx0?= =?utf-8?B?VFV5bDBMV2hPNk9aYVovVkp6RnF0dVprM1lFdFpjV3Z6TFJNd1JzakEvVGtG?= =?utf-8?B?eEYzVW5OYmlaQi93djdreWdaY085cjJibTRGTW50aG1EbVFXdDRteEdHU09a?= =?utf-8?B?YVFkdlpPWkV1SjNCWGcvbCtSMURGTE1ZTFdzb0pHakdGcFVKdUFEc2JJWGVT?= =?utf-8?B?Mlo0bGxQMDVIbWx6ZzJSNGJldzd3WE5kRGx5dGR1ZFF1cHNYcUxsbUJTRktF?= =?utf-8?B?Nk9IUTRoR0w2ZkxLbkJqcnlRa0NIVWViZnlETGU4MjFLR2xrSlMwdk1SYzNU?= =?utf-8?B?emFqbXVLS1g1MlFxajQ4cXhwZFpWbzdsbnNvVVc1QmhPQUsxMG82RmhFTmNu?= =?utf-8?B?SEVEWTdnMUlDR3MvdE1vRnNMRS9nNVZldFFCTDNMSnByb012ZHY3dGp6alFY?= =?utf-8?B?L3BCczFqZ3I2N0M1Q3dmTHlhN2dNVjhoTjdNc09hejhNbmhvQis1TmY0b1Y4?= =?utf-8?B?RG1FWU43Z3VVSnNKOHEydVk5eC9OMXFDZ0xYK2czSnhodHhoMUxWWG9kQ0l5?= =?utf-8?B?cCtBSVdEWEtiN1FNSG93V013bTIrdW5yVGlKU2lqUTEzUEM0dzVub1A5UmRU?= =?utf-8?B?YmtLbjZBK0tjOEczTDFtU0RnUk9wSWRVR2dBSzdrRUc5dEZUUExMak9jdEZS?= =?utf-8?B?N2QxV0NtNFMycmVPY0RmRFN2Zk1MV1pwM2tKbW1JZHJISTAzMGlZM085cXpT?= =?utf-8?B?QUE2bFBIN3FEMWpGUC8yNnplREdGTkdEbSt3aE55Q1A2ZEtDNlNDVkFkbWN0?= =?utf-8?B?YmFSTmR2K1ladWhscGZ1UVdZcWRlQ1dYVWExS0Z1L0M4V1VLWHh2aUZnWkhs?= =?utf-8?B?dHpnR0hrTUYwK2xVV1YwaWhKUFBBS01IOTlQODNmMDlzWVl0TTRmektSK2w5?= =?utf-8?B?YURJN1BHS2x2UWxUNDFIZW15WGh1emxzZmkrc0hiNVV3LzNueDhLWWhJR2JU?= =?utf-8?B?M2h3RDNZL0RTaCtFU2JUK0l0b1JIWGlWcUgzdDBnWG15OGk3ZUcvc2dmMnVQ?= =?utf-8?B?b1o0akpiaVJuQVI2SWpDdEpHMXVIOWhGcjdWSGNZeTI2RjR4Y2pmUDNSVUNX?= =?utf-8?B?bWtSbjN1ajlVN2lmSm1OVHBpajA1NU8rTzRteXd4ZXc3VmYrbnBFZXYvQVJu?= =?utf-8?B?dktGY0tkejFJUFpNaXBLdG0vS244NkdoUTdKTlkrajBLV1JZeEFOSXpJb0lx?= =?utf-8?B?dkFRZ0thc0h4WEw2MWs4SkZSbjlCTjVMQnpzYTJ6RVJyQkhHcUdOcVo2Um9P?= =?utf-8?B?UTZveEY4bTc4RVg4OTZJT3B6SVlDWjErdlZxN3JLd3c4VE9yRW56ZXRjS0pi?= =?utf-8?B?YkVieU1sRGNhK1I2ZEVXRG1CWXp3WkQ2U0VzWE1UQm9xMDUvZDJVR1drMjdj?= =?utf-8?B?ejNiajVXblJwN3plMG5NSnU1ZG9XcC9HbUNGNjV5QSs0TXYySXJ2MkJuRnZO?= =?utf-8?B?cFNmY3FQVWN0NW9CKzU4TDdNZXNFZFFTWW44anlKNTUrY2V6QmtVRGZ1S3lQ?= =?utf-8?B?UnZNKzRPOUp5VWNzUTFhZXZpNzZJYWthaVBucUgzVUNMOSs4SlZLQjZXSlN0?= =?utf-8?B?alg0UlBCWkxhaG83K1I1aFQ3Zmw0anc2Yk45L002Z080RFV1UDdzS1FaYkNP?= =?utf-8?B?RDA4VXlDWFNNaGxlemtuaVR2YkRzSzJlQ3h5UVRaL2JBZ0xPZC9JZzVFakZI?= =?utf-8?B?dkVaL21FMTV2MllpZ0ZYSFpMd1FSMXlhSXlpK3lnNVVyN1Y3U2NjRFdJUE1K?= =?utf-8?Q?PcKOVUYEy1rcX?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DS0PR11MB7408.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(1800799024)(376014)(366016); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?eTFxcFFYdFY0N1p3WVJvUlpDWnF0L2tYNnR6V2hxZG5UeUhHQUhPQ241MlRj?= =?utf-8?B?eVVCdWk5cmdvTEVTczI0Mjl3ZVRrckhhdFAveTErNlJrejRLeUdoSC85UTVR?= =?utf-8?B?Q0k2VEs2TjIyRHFRTXNzU2xTZnVYZG5VREFNU3JnYlZxT2lWUXhJcEg4dnJW?= =?utf-8?B?U0hkanJDMk4rbDJDVzBsL3ZWSTBGZCtLVVZucVFsdHk2NEVtRkJIOEcyelhQ?= =?utf-8?B?ejBsckVKQnNzWi9GU2JXeU1YSlNhTk1qVDgreERrKzM0STNGZmlqSGhsd0F6?= =?utf-8?B?U0xsNURrT0pqYkZLaVd2NS85d0M1Yk9SOHM1U2cyTDZpSTF5M3ovWFNuMjd0?= =?utf-8?B?L3ovWjhnU1F2Qkl0Wk5ScVRabDlyOE1FQk14MjNmUjFEZWpmSFdqSS9MbW12?= =?utf-8?B?bngzQ3o2ZXFZVGRWTTdzSW1RZ3VPYUptdmtjRXlTeXpPTXpnY2wrQ0RraEsr?= =?utf-8?B?VmRXS29MNlJOWUpiRzl3TTVaMnpFemxNcUYzcndPNVROQ01uWCtiZUFpZi9j?= =?utf-8?B?Q2lkdjdEaVZmUk5kaURHeXlFdDFKb0pocC9ubXd3UFFHSmJSa3NoZlQ1amUr?= =?utf-8?B?V2pNY0ZBeDF4ZWRzWVdHSmEwaFF5MklZU2dLbjk2TDB6ektZR3hwV0JFQ0k3?= =?utf-8?B?ZS80eUl5bDNESWdpS1Z3aWtHT083VVpaekR4WFE3NmhwcS9Eamtqc2M0Q0Qw?= =?utf-8?B?b2NqVXlTQnpzdytlV2pDTjEwbDRNOUZoa3lJMGx2K1hNVWhMYUthQ2RsRHRm?= =?utf-8?B?cHZKVFBndlZrbnRJRXIzaFB6STUzNk5WUjlzSy90bmFpQ200d0pKZ2ZkeGVV?= =?utf-8?B?UzRoNngrQWlrbGswS1gwV1U2Um9tN1RKekkybE9mV1VONmFSbnpOaXdPclBM?= =?utf-8?B?RGUzUjhvelh0THJwdDJETGIxWUZURjh3RDl4TlJkNEFtSnRlUm9wTTNUWmVy?= =?utf-8?B?SE93b2dpR2xLbk5tNi9ZRnBmWk43a2lacU5wMEpJR3Ntb2tGQmtKVzgxb0hS?= =?utf-8?B?dVArNlo2UlZaaitHdVZ4QWp2N0h4YmpmMkRDY1dCdWhVZXhFbjczK1JOV2VM?= =?utf-8?B?V3lBbzZvUlk5YURaMnF6RHlva0JjRHlvZXJJeW45ajY3SU04dHN2Z1RNSXZT?= =?utf-8?B?VVRYbGVkekRqeUJTci9vR1VZZ0d3dWJaL2V5RGE3b3pCOWVBcnNQZnFHaFhq?= =?utf-8?B?TnhUd282TGgrY05yUW5CczFwaisxa3hTWllkWVA2MmRkaDZ4bTRacUpNRmJo?= =?utf-8?B?WWFya0M5WVprejNCSDlBSEROTDd3c3JVV1VTRWd0VWkrdkxtS0E3ZTFicmlr?= =?utf-8?B?MHlScDdsa3p0ZVJuenpHU1B6RDk2bUUxR2dpVzQzWTNsMjk0Z3JmYkV1K2JK?= =?utf-8?B?UXNHb1MwbGFQSXlUTStoQ1A1OUtxZ3RzWDJtaEZJTlNQZWFSdGNiNjhnNEZ4?= =?utf-8?B?Ty9NcVh1RXdXMGlwTnNjaGZkSldEYThCN2xZaW93VWNOUU9uTnRyYklTejhH?= =?utf-8?B?TE9qZFhoTVpmTzJpeGxSZ3d6ellyNmdqN21zUTR2OENJYi9ZM244OFJpeEIy?= =?utf-8?B?Z3FtNTlqNkRjdG94R2tMNjZXNHNHenpwdWxMNis4ZzVjM0NWVmJiSG5VQUQz?= =?utf-8?B?cEk5ZWFUNStrZHhFN2VJWU9vbjIrTGJrMW5zNndNcjF4U1h3dUZXNThRRERn?= =?utf-8?B?Mm9FMzBuRnl4c2htd1AxdDBTMzk3bGhsY2lNWXVMcGtsYm16RG1SdnRRYjYw?= =?utf-8?B?WmdBenVMaUZXUzhwditrVmV2dEdrODdTTkdxMEU3bTl1cnk3ZGc4cG5JNFd5?= =?utf-8?B?NkVITDUvOEZwdjhRUkZCLzMzM29ucE56dkE1VjJKTjRRWFVtMS81ZzRDK3l5?= =?utf-8?B?YmlWeFFpOU55S0tvMjJEQkJuUnVYdFRwWHVLcnBzT1lueU1hVko1KzduUG9n?= =?utf-8?B?UVFYRW9CUjVlU25Ib0NyZngwaXlDbXhRNGRQK3B5Kys1cG5LSDZXSW9IN1lI?= =?utf-8?B?TjdGb0d3TzY2Z0VOOUdUMG1pRzBCZWFVNVdaQjNwdHpoU2ZxTVRUUHZVNW5Q?= =?utf-8?B?blhaMDY2ZXF1QUFFSXFaRXcvRWxVaGk0b3lwSEtmZGdhRVo1ZkNwM0M5aVJW?= =?utf-8?B?aW1NZjhQM3IxSk4rTHRhRktaQnFmeER1dXNTbXBsS2Fuc3g0WkFJdkZvc1A5?= =?utf-8?Q?gy9jIQMxZ9fQBtFqV9aekMU=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 9751f8b2-4779-4c86-807b-08dd205d66d4 X-MS-Exchange-CrossTenant-AuthSource: DS0PR11MB7408.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Dec 2024 18:46:08.7280 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MQmx8yq+oxAUINbkIQ6POEtg5TIroRbe/jRTNgJfJSneL8P0EzH9v3+fawgJ0EM2qiiAHkgHf9UUoX9PA8oviJCJMwcjD7htFwkd0AJAe24= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR11MB8775 X-OriginatorOrg: intel.com X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On Thu, Dec 19, 2024 at 11:17:16AM +0530, Riana Tauro wrote: > > >On 12/18/2024 8:21 PM, Riana Tauro wrote: >> >> >>On 12/18/2024 7:43 PM, Lucas De Marchi wrote: >>>On Wed, Dec 18, 2024 at 10:42:53AM +0530, Riana Tauro wrote: >>>>Hi Lucas >>>> >>>>On 12/13/2024 11:28 AM, Lucas De Marchi wrote: >>>>>On Thu, Nov 21, 2024 at 12:09:04PM +0530, Riana Tauro wrote: >>>>>>PMU provides two counters (-busy-ticks-gt, >>>>>>-total-ticks-gt) to calculate engine busyness. >>>>>>When querying >>>>>>engine busyness, user must group these 2 counters using the perf_event >>>>>>group mechanism to ensure both counters are sampled together. >>>>>> >>>>>>To list engine busyness counters use the following >>>>>> >>>>>>./perf list >>>>>> xe_0000_03_00.0/bcs0-busy-ticks-gt0/               [Kernel PMU event] >>>>> >>>>>this will need a rebase on latest versions of the pmu patches as we >>>>>moved to have gt as a param rather than mangling the event name. >>>> >>>>In case of multiple gts, there might be different engines for each gt >>>>So should we display a common name and unsupported in case the >>>>engine does not belong to the gt? >>>> >>>>sudo ./perf stat -e xe_0000_00_02.0/vcs0-busy-ticks,gt_id=0/ -I 1000 >>> >>>why is engine not a param, like gt? >Wouldn't it be better to have engine name in the event name? Otherwise >anyone using perf tool needs to find the engine class to name mapping > >@Umesh any inputs here? sorry, I am not clear on how even gt_id is being passed here. How does the gt_id fit into the struct perf_event_attr {} that we pass as the event configuration? Are we using the config1/config2 fields to pass these additional params? fwiu, whether we pass engine as a parameter or use the name in the event, we would still need to validate if the engine belongs to that gt. Thanks, Umesh >>are you suggesting to have both engine and instance too as parameters? >>Something like this? >> >>xe_0000_00_02.0/busy-ticks,engine_class=1,engine_instance=0,gt_id=0/ >> >> >>> >>>Lucas De Marchi >> >