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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 31F4FC0650E for ; Wed, 3 Jul 2019 20:45:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 095D3218A3 for ; Wed, 3 Jul 2019 20:45:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726902AbfGCUp4 (ORCPT ); Wed, 3 Jul 2019 16:45:56 -0400 Received: from mga04.intel.com ([192.55.52.120]:61753 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726739AbfGCUp4 (ORCPT ); Wed, 3 Jul 2019 16:45:56 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jul 2019 13:45:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,448,1557212400"; d="p7s'?scan'208";a="158091772" Received: from orsmsx105.amr.corp.intel.com ([10.22.225.132]) by orsmga008.jf.intel.com with ESMTP; 03 Jul 2019 13:45:55 -0700 Received: from orsmsx109.amr.corp.intel.com ([169.254.11.17]) by ORSMSX105.amr.corp.intel.com ([169.254.2.207]) with mapi id 14.03.0439.000; Wed, 3 Jul 2019 13:45:54 -0700 From: "Pandruvada, Srinivas" To: "linux-pm@vger.kernel.org" , "amit.kucheria@linaro.org" CC: "Zhang, Rui" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" Subject: Re: Thermal microconference proposal @ LPC Thread-Topic: Thermal microconference proposal @ LPC Thread-Index: AQHVMeBO0uydloMs3EKoLil3NaMA4A== Date: Wed, 3 Jul 2019 20:45:54 +0000 Message-ID: <8d4b31d46c5a3ee1f79eb65cbe03bc2065ce8696.camel@intel.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.252.137.68] Content-Type: multipart/signed; micalg=sha-1; protocol="application/x-pkcs7-signature"; boundary="=-yBMAxz+iSOiZJdADkXz/" MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org --=-yBMAxz+iSOiZJdADkXz/ Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Amit, On Mon, 2019-06-24 at 19:22 +0530, Amit Kucheria wrote: > Hi all, >=20 > We've proposed a thermal microconf at LPC again this year. I've > bcc'ed > a few people who were interested last year. We already have the > following topics listed for the proposal but could certainly use more > topics especially from the non-mobile Linux community. >=20 Thermal/Power mitigation on high powered laptops Some of the high powered laptops released with KabyLake and later generations of processors can reach more than 50W with some busy workloads like kernel compilation. This results in CPU temperature to quickly reach close to the critical temperature. To avoid this OEM=E2=80=99= s have used a very conservative power limits by default. But this results in a bad performance on Linux laptops compared to other operating systems. We have implemented a solution for Linux to mitigate this. This quick presentation will show the approach Linux users particularly kernel developers can use to get a very high performance from these laptops. This should be a quick 5-10 min talk. Thanks, Srinivas > - Samsung: Thermal aware scheduling (Lukasz Luba) > - Linaro: Combining idle and freq change for cpu cooling (Daniel > Lezcano) > - ARM: Discriminating thermal throttling (Volker Eckert) > - IBM: Sustain turbo mode (Parth Shah) > - QCOM/Linaro: Make thermal framework easier to use in products (Amit > Kucheria) >=20 > Please help bring this to the attention of those who might be > interested in talking about thermal-related problems at the > conference. >=20 > Thanks. >=20 > Regards, > Amit Kucheria & Daniel Lezcano --=-yBMAxz+iSOiZJdADkXz/ Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIKhTCCBOsw ggPToAMCAQICEDabxALowUBS+21KC0JI8fcwDQYJKoZIhvcNAQEFBQAwbzELMAkGA1UEBhMCU0Ux FDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5hbCBUVFAgTmV0 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