Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp5245675pxb; Mon, 15 Feb 2021 13:56:59 -0800 (PST) X-Google-Smtp-Source: ABdhPJwB/MZTir0Gjr7vgvJ9uRJH0dbYQCijZacOx/ZEUi1RfSNYFIuUXtR6T4FcuSWeqKwEDRT7 X-Received: by 2002:a17:906:40f:: with SMTP id d15mr17761990eja.522.1613426218842; Mon, 15 Feb 2021 13:56:58 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1613426218; cv=pass; d=google.com; s=arc-20160816; b=O7wIcfXekNOM1GerTeINFAqlx0sJb+5sDCeBvXmnHao+0lI9eGuFakZvqOh0ddK9Sr wkV6ZpJpkg4MD3ruUiOhENi662XuMxPZyl/SAGKmlunUhEr3Yd3HG+WGcT3ndSvd3HE9 2EF3dae5qSTL5VML5qXUxvemZbdjLc7aEJ4lztIc+ikaqfHuwtATqjgVDgC+n2yRFVH0 gDZHvGH2gyjz5AzCm41VY+oAvWdzi2Ldk617EzrEyswBLvbAx3OiPQGhaJPfcNt2t749 Kb7dzcx15U5lh6DAGN3kNjDt8Bv4bDqPBW7G2EXJP9dqYAaUACceUbUsx400I33yTvEd vsjQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-language :content-transfer-encoding:in-reply-to:user-agent:date:message-id :from:references:cc:to:subject:dkim-signature:dkim-signature; bh=5TcrC9CRttlghKdwb1T/jMH/Irp34EOihRLM/Z4mHX4=; b=urw8Wl2/Lz/JTmlul7bZfKfAjlF+zk71z/L3QiX3aWPXwbPx5gxM2yFCHnIDS3As4E 7LMqE2qgRsRaML2ogf2UjbJNXbRSJWnkMyCqjGEgqM2VDQfwHLGRqQol+QO5XmExFxvE EgPdw+L9E5VMblGz0AJAMmJJRhLQxUGS1JzCfuBhwvTqRBaxUapoy+f/YwpZiKLiFEHq /dTeuXDanMOnsuiHmg5MIIfmHLaUk3NNyYxz7lveOSvvFLYWzAduHrAeFi2jpdfYKHS1 JtlPeL3cN41RupKwVqTNIBZPJY00X9eE5AXnNVJI35d97+mDRXxH+Ac6PwnYi9pFg363 YLrg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=czj40iN7; dkim=pass header.i=@oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=cweXIZ8A; arc=pass (i=1 spf=pass spfdomain=oracle.com dkim=pass dkdomain=oracle.com dmarc=pass fromdomain=oracle.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s9si1886875ejj.412.2021.02.15.13.56.35; Mon, 15 Feb 2021 13:56:58 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=czj40iN7; dkim=pass header.i=@oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=cweXIZ8A; arc=pass (i=1 spf=pass spfdomain=oracle.com dkim=pass dkdomain=oracle.com dmarc=pass fromdomain=oracle.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229520AbhBOVzM (ORCPT + 99 others); Mon, 15 Feb 2021 16:55:12 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:51348 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229662AbhBOVzJ (ORCPT ); Mon, 15 Feb 2021 16:55:09 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 11FLjSDL133829; Mon, 15 Feb 2021 21:54:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2020-01-29; bh=5TcrC9CRttlghKdwb1T/jMH/Irp34EOihRLM/Z4mHX4=; b=czj40iN734tbMeCZq+3V1KMFMRGNV5N/MHCLJ6C1PF7CMGpUMu3bVjQIEhgAd/CTejS2 u2qbGARJF5kSF4tzQhUkvUau9WLhgG26jH2LpOe0UTZ1d2oAAqpA0pCUfESpfqyVi2K9 XriISX4EXz4AtUg8xuOmNjNaL2hgbzy+s9+oP0t72DGNvQsISYADVh+IVwVouAwDyqfW aXGKoANyNInGstmhuztDTHJSjyEL4RDrE9vsdz5WkwG3/NlV+ScccDv+6pDKu5HpPCYQ 4p3oOBKF6dpa8JXauXwvqVpoR+Ec1nQGlS6TS1c4IDgHElhK80uitrRPbT4IhDp5kq7k Mg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2130.oracle.com with ESMTP id 36p66qw4cd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Feb 2021 21:54:21 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 11FLk3dk072646; Mon, 15 Feb 2021 21:54:20 GMT Received: from nam02-sn1-obe.outbound.protection.outlook.com (mail-sn1nam02lp2055.outbound.protection.outlook.com [104.47.36.55]) by aserp3020.oracle.com with ESMTP id 36prnx835m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Feb 2021 21:54:20 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UkcAOqKxAmzYpl2tzY+z8JFdlfPvYeckKd75UukjvbjrRYy76+GtWhZgSMmc+YV+DpHjefgvIm7yDDm+oZGJ1jJVh9untA4HdSeuEvqqDufrM6lHCQfHX3c90sP12U0HOELl4wxMeZBCRP9JWyQg6kaLfqf1iZiYMKOa0LRyHuoe3lbrg/kEvgf//Qvgy1xmdSrdb/MzbQN0rSV7kdkkErtU/GfQ/lr4A0PcdB2ThOenrNtQEOro99EaByo3VXhgQ6avMpx+l2E8ufUjW5A3GQgbGv4h9yXuuozUVsHEcI0wcNQxBA90zMW80ftGAJOYkCueRLvcVbJV3VTRzVDTlw== 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=5TcrC9CRttlghKdwb1T/jMH/Irp34EOihRLM/Z4mHX4=; b=cf2P/50/wB/odezndYa5vPjakowfkbjtsdPO2vFvhlQTh7saw7FhgzWwvR3RoZaAv/xNwWLbWfbMXfKMXf6JRW3OJ7FAeTWpmDWpQGP8prEvsFBTtBtGUo7j8w1CMD4TpXVQkijUhpRfrYbdwPV32WlaODSMpPOmIbHWhYiufk0XT0tGRUw/hF4+VL569st4L5Ub50gqK9N0ZIaRQWSPE7gKrzjrqjzbyzWFBXIRNMstCouvsk/wadDFcIs1Ea4fvfSQt9I7aPU8g6fJePj08ZP3j3UXPGoYnVK+WSMQBsw6/rEdiNoQaNKWu9SFHtmz3sblLcGGAIJ0FFqlSeLVKw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5TcrC9CRttlghKdwb1T/jMH/Irp34EOihRLM/Z4mHX4=; b=cweXIZ8A3uqyPARtmwYe4vBNHOxtv6H6DD08vp7s8vPyUvdQWaBQFRdUANICqfc5eQbHh0E5daL6+d/2625MDG1qv/wcBevd4mUxrjkvzIbf+3YmYOCYh8ro3jjnRNci0eCcAM2U+dvn9TdCY3y8QdxgWcVKfKJjU0x98/h0EcQ= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=oracle.com; Received: from BYAPR10MB3288.namprd10.prod.outlook.com (2603:10b6:a03:156::21) by SJ0PR10MB4557.namprd10.prod.outlook.com (2603:10b6:a03:2d4::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3846.29; Mon, 15 Feb 2021 21:54:19 +0000 Received: from BYAPR10MB3288.namprd10.prod.outlook.com ([fe80::f489:4e25:63e0:c721]) by BYAPR10MB3288.namprd10.prod.outlook.com ([fe80::f489:4e25:63e0:c721%7]) with mapi id 15.20.3846.042; Mon, 15 Feb 2021 21:54:19 +0000 Subject: Re: [PATCH v2 6/8] xen/events: add per-xenbus device event statistics and settings To: Juergen Gross , xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Stefano Stabellini References: <20210211101616.13788-1-jgross@suse.com> <20210211101616.13788-7-jgross@suse.com> From: Boris Ostrovsky Message-ID: Date: Mon, 15 Feb 2021 16:54:15 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 In-Reply-To: <20210211101616.13788-7-jgross@suse.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [138.3.200.49] X-ClientProxiedBy: BY3PR05CA0036.namprd05.prod.outlook.com (2603:10b6:a03:39b::11) To BYAPR10MB3288.namprd10.prod.outlook.com (2603:10b6:a03:156::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.74.96.113] (138.3.200.49) by BY3PR05CA0036.namprd05.prod.outlook.com (2603:10b6:a03:39b::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3868.11 via Frontend Transport; Mon, 15 Feb 2021 21:54:18 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: afbbd218-c6af-45e4-5216-08d8d1fc3eeb X-MS-TrafficTypeDiagnostic: SJ0PR10MB4557: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:475; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR10MB3288.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(39860400002)(396003)(376002)(136003)(346002)(4326008)(26005)(44832011)(16526019)(6666004)(478600001)(2616005)(956004)(66556008)(31696002)(66476007)(66946007)(8676002)(186003)(8936002)(86362001)(2906002)(31686004)(5660300002)(4744005)(316002)(16576012)(6486002)(36756003)(53546011)(45980500001)(43740500002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?blVYMlRKUkhzOGphODBSY2lrVlo1TktrSVJydGRVOFRGUmE1ME51Qk5yUlNY?= =?utf-8?B?QzU1bWtublpQdTJPaDFRM1hCMHU4QVU1NjFsSk9PTlBGdHBONmZ6QkkyWXlQ?= =?utf-8?B?WVhySWRDZ0tWeitDT2Mzc1ZMaTFZSzFYUThWRDF0NGdXMzdwTndJaTRBalF6?= =?utf-8?B?MnJIaXJBVTlPUDNWWkcvb0lvUXhpRmw2amdpMG1wT1JWdHFyY21OSGxJRE43?= =?utf-8?B?ZmxXcU1VckoyUlYvamJtb3l1dDVXQjU4RVVpSjZOc3M2N01mTFZaRXI3RHhE?= =?utf-8?B?M0FQSHhpZVdyUzNsdjJVTkVhNXozdUNtYzAydzVnS3dqVkkzSnJ2b01aRzJk?= =?utf-8?B?L28ydEZvYnVoUzVvb25jenpCbXZwVDk3MlRLYjF2ZFQrVUgxQU1mcnQwdStp?= =?utf-8?B?eU40ZlFGblkxVzRQbi9lbUt2V2MrR0xQMzBwdHFCMmZncGZPZXNISDRMYVJr?= =?utf-8?B?UTYwMzVRblpURjdpOEgzOVN4TGNTSVVCSXZLeHBBKytqQWdXaUVlakwzUlhJ?= =?utf-8?B?Q1p6TWZOUEVLQ01jUGpMeEFlZmVLL0drUVR3aXhqdVRwblFIUEIrV2RkcStB?= =?utf-8?B?bnRxRktGZEZpVm1Pbms0SERWVmFqaWROanljYjFwMFp4bWduUFpLTGZPY3VN?= =?utf-8?B?QjEwQjdoeVBmakc3TlVDZ01XN0FtN1JHUUx4dVVVbm8xcWR1OUVrWkpwam5Q?= =?utf-8?B?aXo4eDZEMHBOdVhGQVRXVDlUODVDdVhJeHdMWVZPeWZ3WHRVR0tOa2VZQXBp?= =?utf-8?B?cUlISFFkK1BucnVuNXZkbVoza1hmODBqcjVKZE1JYTgwVlhQQjhZRlZaMzR6?= =?utf-8?B?L2VZNnpKN1MyL1RlTHp2SVo2d0JXQjJLUzVsZzByaUwxekdVVVliTmpWd1pj?= =?utf-8?B?TXRaYlF3VXFKamFMVm9WaDZmZ3E4QXNpekRKeWQ5L0VZclQ2dkJtakp2dE8z?= =?utf-8?B?NHVIUWhwM0w1aGFSYzk5c28rV3hZVUdJL0xkSnQvcFd4bWJ0VXhvVzkvVGFY?= =?utf-8?B?NHlmNDMvSXFNMzlwblJQeUtPNFczbkFBVm14ZnQvcGJ3SlIwQ09yTVQ2dWNw?= =?utf-8?B?WGVNMVpOTWcwV3N4OVpTM3M3U1pCenRPTFJjNmtCNFF4aUhTWE04MlNucFl5?= =?utf-8?B?Y0RwTHRENm9JZEs0aWIrRmtwc1huRTkvelUrZ1BQWFp3NGVNV0JKRkNoRVdN?= =?utf-8?B?ZkRmNWtUbThIdjRncVNiNFRqcFgxOU1JWW9ydHl4citmbGpybDR6YmJXLzlP?= =?utf-8?B?MWpnVndTenJKWjI2aGVvRVBSV1BOekNGaWlMbzBINi85Z01FTEZLb0I3clkw?= =?utf-8?B?WGVSTWlocU1KaDlrSERwTm9nLzRGYzBHSzVPcHM0TFNqRkQvYnVlMTZZRkoy?= =?utf-8?B?U1dVaVF6OFlXckszNGxNZFZIdlFCdjNSbDJUMUIvVVV2Q0I0WUVmV0pVMDg2?= =?utf-8?B?R1ZsNHphVVdFZHBBcEx5T2RYOGlOZ0p0eEc0WkMzb0xhYndTb3hiOUpmRTlU?= =?utf-8?B?am9ZZTliZTBrTkRWZlQ4Y3VLai91OWJZd1NIb1JKQ2duRk1iSTRDaWtGZVpJ?= =?utf-8?B?NVl4WG5DWGJXSG5KQk5rV3g3akpwQnNXWEJXUFZrUWd4WGhBNUk5ckhPbFFL?= =?utf-8?B?bnpQTisvMFZ4NzY1N0hEQjdWTnd1K3F0UUFhYnEwVmo1cEhnSXJWcVpwZDJT?= =?utf-8?B?TVRvQ2JpOWo5blBQZnFmd0MzWEk2UXhQblZ6SXZnUnRuODh5aG43Z0tvaHRj?= =?utf-8?Q?WnIK42xs7OTdgLzhIzTkwqDBPnElkupX28unS+g?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: afbbd218-c6af-45e4-5216-08d8d1fc3eeb X-MS-Exchange-CrossTenant-AuthSource: BYAPR10MB3288.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Feb 2021 21:54:19.2367 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ZZ9rz2CfcbWokm7kPZfiB7bUaUxKtH5lnTNKecce84RAU2NVx+TrZqlLEwSiCOJ+XqSm5M9uqrXxsnDvI8qwxKxbEqY+xvGWooIXjCS/8GA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB4557 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9896 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 mlxlogscore=999 bulkscore=0 suspectscore=0 spamscore=0 malwarescore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102150166 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9896 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 priorityscore=1501 clxscore=1015 spamscore=0 mlxscore=0 phishscore=0 malwarescore=0 bulkscore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102150166 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/11/21 5:16 AM, Juergen Gross wrote: > Add syfs nodes for each xenbus device showing event statistics (number > of events and spurious events, number of associated event channels) > and for setting a spurious event threshold in case a frontend is > sending too many events without being rogue on purpose. > > Signed-off-by: Juergen Gross Reviewed-by: Boris Ostrovsky