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=-3.8 required=3.0 tests=BAYES_00, 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 0EF7EC433DB for ; Fri, 5 Mar 2021 17:14:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF1AF650AB for ; Fri, 5 Mar 2021 17:14:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229669AbhCERNt (ORCPT ); Fri, 5 Mar 2021 12:13:49 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:48507 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230053AbhCERNg (ORCPT ); Fri, 5 Mar 2021 12:13:36 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mtapsc-1-9u1wbWfNOlK990iK9I15eQ-1; Fri, 05 Mar 2021 17:13:27 +0000 X-MC-Unique: 9u1wbWfNOlK990iK9I15eQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 5 Mar 2021 17:13:27 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Fri, 5 Mar 2021 17:13:27 +0000 From: David Laight To: 'Nick Desaulniers' , Josh Don CC: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , "Mel Gorman" , Daniel Bristot de Oliveira , Nathan Chancellor , LKML , clang-built-linux , Clement Courbet , Oleg Rombakh , Bill Wendling Subject: RE: [PATCH v2] sched: Optimize __calc_delta. Thread-Topic: [PATCH v2] sched: Optimize __calc_delta. Thread-Index: AQHXER0S0FxH/KQD/0qlH7RDSaPhE6p1opJQ Date: Fri, 5 Mar 2021 17:13:26 +0000 Message-ID: References: <20210303224653.2579656-1-joshdon@google.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBIaSBKb3NoLCBUaGFua3MgZm9yIGhlbHBpbmcgZ2V0IHRoaXMgcGF0Y2ggYWNyb3NzIHRoZSBm aW5pc2ggbGluZS4NCj4gV291bGQgeW91IG1pbmQgdXBkYXRpbmcgdGhlIGNvbW1pdCBtZXNzYWdl IHRvIHBvaW50IHRvDQo+IGh0dHBzOi8vYnVncy5sbHZtLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjAx OTc/DQoNCklzIGl0IHdvcnRoIGFuIGF1ZGl0IG9mIGFsbCB0aGUgYXNtKCkgY29uc3RyYWludHMN CmFuZCBwb3RlbnRpYWxseSBjaGFuZ2luZyBhbGwgdGhlICJtciIgdG8gInIiIGZvciBjbGFuZz8N Cg0KVGhlIGV4cGxpY2l0ICdsb2FkIGludG8gYSByZWdpc3Rlcicgd29uJ3QgbWFrZSBtdWNoDQpk aWZmZXJlbmNlIGV2ZW4gaWYgYSBkaXJlY3QgIm0iIG9wZXJhbmQgY291bGQgYmUgdXNlZCBvbiB4 ODYuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkg Um9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlv biBObzogMTM5NzM4NiAoV2FsZXMpDQo=