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[209.132.180.67]) by mx.google.com with ESMTP id e24si31641420pgh.403.2019.04.11.17.58.06; Thu, 11 Apr 2019 17:58:22 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726748AbfDLA52 (ORCPT + 99 others); Thu, 11 Apr 2019 20:57:28 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:2477 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726661AbfDLA52 (ORCPT ); Thu, 11 Apr 2019 20:57:28 -0400 Received: from dggeml406-hub.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id BFC2B3EA51BC2F215F54; Fri, 12 Apr 2019 08:57:25 +0800 (CST) Received: from DGGEML502-MBX.china.huawei.com ([169.254.2.153]) by dggeml406-hub.china.huawei.com ([10.3.17.50]) with mapi id 14.03.0415.000; Fri, 12 Apr 2019 08:57:24 +0800 From: Linhaifeng To: "linux-perf-users@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: perf tools:Is there any tools to found out the max latency by irq or cpu idle Thread-Topic: perf tools:Is there any tools to found out the max latency by irq or cpu idle Thread-Index: AdTwypFCWbA+6SJGRxm1JN4pevZ4ZA== Date: Fri, 12 Apr 2019 00:57:24 +0000 Message-ID: <4099DE2E54AFAD489356C6C9161D53339591D64A@DGGEML502-MBX.china.huawei.com> Accept-Language: en-GB, zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.177.20.223] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksIA0KSSBoYXZlIGEgc2luZ2xlIHRocmVhZCBhcHBsaWNhdGlvbiBsaWtlIHRoaXM6DQoNCldo aWxlICgxKSB7DQrCoMKgwqAgc3RhcnQgPSByZHRzYygpOw0KwqDCoMKgIHNxcnQgKDEwMjQpO8Kg wqDCoMKgwqAgDQrjgIDjgIBlbmQgPSByZHRzYygpOw0K44CA44CAY3ljbGVzID0gZW5kIOKAkyBz dGFydDsNCuOAgOOAgHByaW50ZigiY3ljbGVzOiAlZC0lMDJkLSUwMmQgJTAyZDolMDJkOiUwMmQ6 ICVsdVxuIiwgDQrjgIDjgIDjgIDjgIDjgIDjgIAxOTAwK3RpbWVpbmZvLT50bV95ZWFyLCAxK3Rp bWVpbmZvLT50bV9tb24sIHRpbWVpbmZvLT50bV9tZGF5LCB0aW1laW5mby0+dG1faG91ciwgdGlt ZWluZm8tPnRtX21pbiwgdGltZWluZm8tPnRtX3NlYywNCuOAgOOAgOOAgOOAgOOAgOOAgGN5Y2xl cyk7DQp9DQpJdCBwcmludCB0aGUgY3ljbGVzIG9mIHNxcnQgZXZlcnkgc2Vjb25kIGFuZCBydW4g d2l0aCB0YXNrc2V0IOKAk2MgMSAuL3NxcnQuDQpUaGUgcmVzdWx0IG9mIHRlc3QgaXM6DQoNCnNx cnQgMjAxOS0wNC0xMCAyMzo1Mzo1MDogNDM5NjgNCnNxcnQgMjAxOS0wNC0xMCAyMzo1Mzo1MTog NDQwNjANCnNxcnQgMjAxOS0wNC0xMCAyMzo1Mzo1MjogNDkwMTINCnNxcnQgMjAxOS0wNC0xMCAy Mzo1Mzo1MzogMzgxNzINCnNxcnQgMjAxOS0wNC0xMCAyMzo1Mzo1NDogMTMxMDgxNDA4DQpzcXJ0 IDIwMTktMDQtMTAgMjM6NTM6NTU6IDQzNjAwDQpzcXJ0IDIwMTktMDQtMTAgMjM6NTM6NTY6IDQ2 NzA0DQpzcXJ0IDIwMTktMDQtMTAgMjM6NTM6NTc6IDQ2ODgwDQpzcXJ0IDIwMTktMDQtMTAgMjM6 NTM6NTg6IDQ0MzMyDQrigKbigKYNCnNxcnQgMjAxOS0wNC0xMCAwMjoxNzoxNTogMTMxMDgxNDA4 DQrigKbigKYNCnNxcnQgMjAxOS0wNC0xMCAwNDo0MDozNTogMTMxMDgxNDA4DQrigKbigKYNCg0K RXZlcnkgMmhvdXIyM21pbiB0aGVyZSB3b3VsZCBiZSBhIGxhcmdlIGN5Y2xlcy4gSSB1c2UgcGVy ZiBzY2hlZCBub3QgZm91bmQgYW55IHNjaGVkX3N3aXRjaCBldmVudHMuDQoNCkwyR1dfMjY4MDov aG9tZS9mc3Avem4gIyBwZXJmIHNjaGVkIHJlY29yZCAtQyA2LTExIC1vIHBlcmYuc2NoZWQNCl5D WyBwZXJmIHJlY29yZDogV29rZW4gdXAgNjQgdGltZXMgdG8gd3JpdGUgZGF0YSBdDQpbIHBlcmYg cmVjb3JkOiBDYXB0dXJlZCBhbmQgd3JvdGUgMjA0Ljg3OCBNQiBwZXJmLnNjaGVkICgxOTExMTg5 IHNhbXBsZXMpIF0NCg0KTDJHV18yNjgwOi9ob21lL2ZzcC96biAjIHBlcmYgc2NoZWQgbGF0ZW5j eSAtaSBwZXJmLnNjaGVkIA0KDQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLQ0KwqAgVGFza8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgfMKgwqAgUnVudGltZSBtc8KgIHwgU3dpdGNoZXMgfCBBdmVyYWdlIGRlbGF5IG1zIHwg TWF4aW11bSBkZWxheSBtcyB8IE1heGltdW0gZGVsYXkgYXTCoMKgwqDCoMKgwqAgfA0KLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCi0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tDQrCoCBU T1RBTDrCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgfMKgwqDCoMKgwqAgMC4wMDAgbXMg fCDCoMKgwqDCoMKgwqDCoDAgfA0KLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tDQoNCg0KDQpJcyB0aGVyZSBhbnkgb3RoZXIgdG9vbHMgb2YgcGVyZiB0 byBmb3VuZCBvdXQgdGhlIG1heCBsYXRlbmN5IGJ5IGlycSBvciBjcHUgaWRsZSA/DQoNCg0K