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=-3.2 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,FREEMAIL_REPLYTO_END_DIGIT, 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 6844CC433DF for ; Wed, 26 Aug 2020 13:18:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4387B2080C for ; Wed, 26 Aug 2020 13:18:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730218AbgHZNSs (ORCPT ); Wed, 26 Aug 2020 09:18:48 -0400 Received: from mga12.intel.com ([192.55.52.136]:47198 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728132AbgHZNSm (ORCPT ); Wed, 26 Aug 2020 09:18:42 -0400 IronPort-SDR: wZD6jzhinBVtLnBzsd/8zqTaWa82fyBxNTa4PWyaJUHaoFhWh9miD5GfaIbjpww0B9K9+HQkBB uhA0AstcNS4w== X-IronPort-AV: E=McAfee;i="6000,8403,9724"; a="135837237" X-IronPort-AV: E=Sophos;i="5.76,355,1592895600"; d="scan'208";a="135837237" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2020 06:18:36 -0700 IronPort-SDR: uE+qHqDiCg9W9XDdg+m8z1p3BaNNeyBJW2xC69uEujGqtb8m5zht3Flwsty/tl7Ne56q0xmMGS fKpquV164qJQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,355,1592895600"; d="scan'208";a="323188157" Received: from linux.intel.com ([10.54.29.200]) by fmsmga004.fm.intel.com with ESMTP; 26 Aug 2020 06:18:36 -0700 Received: from abityuts-desk1.fi.intel.com (abityuts-desk1.fi.intel.com [10.237.72.186]) by linux.intel.com (Postfix) with ESMTP id B6AAA5805ED; Wed, 26 Aug 2020 06:18:34 -0700 (PDT) Message-ID: Subject: Re: [PATCH] intel_idle: Add ICL support From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Guilhem Lettron , "Rafael J. Wysocki" Cc: Jacob Pan , Len Brown , Linux PM , Linux Kernel Mailing List Date: Wed, 26 Aug 2020 16:18:33 +0300 In-Reply-To: References: <20200826120421.44356-1-guilhem@barpilot.io> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.32.5 (3.32.5-1.fc30) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2020-08-26 at 16:16 +0300, Artem Bityutskiy wrote: > Just get a reasonably new turbostat (it is part of the kernel tree, you > can compile it yourself) and run it for few seconds (like 'turbostat > sleep 10'), get the output (will be a lot of it), and we can check what > is actually going on with regards to C-states. Oh, and if you could do that with and without your patch, we could even compare things. But try to do it at least with the default (acpi_idle) configuration. Artem.