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=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 10AC8C433E3 for ; Mon, 24 Aug 2020 10:49:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD7422071E for ; Mon, 24 Aug 2020 10:49:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="EXPALbqE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727821AbgHXKtf (ORCPT ); Mon, 24 Aug 2020 06:49:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725999AbgHXKtQ (ORCPT ); Mon, 24 Aug 2020 06:49:16 -0400 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7791C061573 for ; Mon, 24 Aug 2020 03:49:10 -0700 (PDT) Received: by mail-pj1-x1032.google.com with SMTP id ep8so3995759pjb.3 for ; Mon, 24 Aug 2020 03:49:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=sjkxxuC1szwGHRNIyVmrAyGGddXINTGLjaWFX2iRopg=; b=EXPALbqEGdBWrXZTav4s+et5rfg6rS58r3zndXrp+McI35Rm83F6MQet+ZJy/fFXwF E/O0zJWQxixcmZZTaShryTlt7My52xNjF/PBJ69jLrkw0IBZcal/OMqJmZNWtmgRM5QD a6uhQCPw9/1Hwtqgsp5pyof9VCZmq8WOKqrusIdddSS1ywA7L2H6a9LO2NtCLWWHWkuf D9uc/hWb33nHXL35O/bS+wcsPstSY3cF6LEecILry2tb2UhS5oJiKjgl7slUeo/M1WCj 0e99UmInpKq/3ws3OeQBZWXuiGoEQz0TObC1XwUvRTYwEXUJy0jPYRaMNrHmo8HYKK9D ZePA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=sjkxxuC1szwGHRNIyVmrAyGGddXINTGLjaWFX2iRopg=; b=adJ50GX/VQ8pSZ3QqUgt6hgTgNiWysqRe1Q7sCKwTTdcVRySCvlVkio6zX1K+DNSU2 mhDaSgpDXI3ZrQOvSIRyurxfhpgT5vxGCHSTx5CWxS/F9QbJoFyeF0GZQM5fmawztu1u Q/2aIJASed1BUF3xlkiAQFhwScIFj15UXoD7nky+mwIAgGR5ebiCH7ICERFkTUj8uXge zSziqrwZkK1ZrBy53ZbBtOFkncrRzOLl6p8+PwLAEebJHkEiaWeS8wRr2w93sHprMZ0X b5zYusemXCUpLMl+o2sX9cv1z1OtmZswe2hGgEI4ksbpyPdjd0ZMh1DvMWLc1FFtBRdH kcjw== X-Gm-Message-State: AOAM532pNmR1IiR5ojx3F5cFFfdus6xymLZ/FSw7ULB3Y6q3CIm1ZACf hgAFWVgBsaRJOVdWLx6KU/gc3Q== X-Google-Smtp-Source: ABdhPJx+vU36rrPlrMYKD5y8C78AstfN/rXHjPa8ivCIrsANOcEK8dlK1TG599BP5mpzzd1DRLnbMg== X-Received: by 2002:a17:90b:4b03:: with SMTP id lx3mr4070886pjb.143.1598266148651; Mon, 24 Aug 2020 03:49:08 -0700 (PDT) Received: from localhost ([122.172.43.13]) by smtp.gmail.com with ESMTPSA id r91sm9435704pja.56.2020.08.24.03.49.07 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Aug 2020 03:49:07 -0700 (PDT) Date: Mon, 24 Aug 2020 16:19:06 +0530 From: Viresh Kumar To: Vincent Guittot Cc: Ionela Voinescu , Ben Segall , Catalin Marinas , Dietmar Eggemann , Greg Kroah-Hartman , Ingo Molnar , Juri Lelli , Mel Gorman , Peter Zijlstra , "Rafael J. Wysocki" , "Rafael J. Wysocki" , Steven Rostedt , Sudeep Holla , Will Deacon , Peter Puhov , LAK , linux-kernel , "open list:THERMAL" Subject: Re: [RFC 0/3] cpufreq: cppc: Add support for frequency invariance Message-ID: <20200824104905.vui6bdcpsmxluj4m@vireshk-i7> References: <20200709124349.GA15342@arm.com> <20200710030032.3yq3lqqybhy5m744@vireshk-i7> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716-391-311a52 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24-07-20, 11:38, Vincent Guittot wrote: > Yeah it's exactly the same behavior as x86 and re using the same > mechanism seems the best solution > > The main problem is that AMU currently assumes that it will be the > only to support such tick based mechanism whereas others like cppc can > provides similar information Ionela do you have some feedback to Vincent's email? We can't handle this apart from the tick handler, i.e. capture this data at every tick like it is done for x86 or AMU. -- viresh 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=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 2E3C5C433DF for ; Mon, 24 Aug 2020 10:50:27 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EF4882071E for ; Mon, 24 Aug 2020 10:50:26 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Mon, 24 Aug 2020 03:49:08 -0700 (PDT) Received: from localhost ([122.172.43.13]) by smtp.gmail.com with ESMTPSA id r91sm9435704pja.56.2020.08.24.03.49.07 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Aug 2020 03:49:07 -0700 (PDT) Date: Mon, 24 Aug 2020 16:19:06 +0530 From: Viresh Kumar To: Vincent Guittot Subject: Re: [RFC 0/3] cpufreq: cppc: Add support for frequency invariance Message-ID: <20200824104905.vui6bdcpsmxluj4m@vireshk-i7> References: <20200709124349.GA15342@arm.com> <20200710030032.3yq3lqqybhy5m744@vireshk-i7> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716-391-311a52 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200824_064910_876047_DB2132A2 X-CRM114-Status: GOOD ( 13.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , Will Deacon , "Rafael J. Wysocki" , Peter Zijlstra , Catalin Marinas , "open list:THERMAL" , Sudeep Holla , "Rafael J. Wysocki" , linux-kernel , Steven Rostedt , Ben Segall , Ingo Molnar , Mel Gorman , Greg Kroah-Hartman , Peter Puhov , Ionela Voinescu , Dietmar Eggemann , LAK Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 24-07-20, 11:38, Vincent Guittot wrote: > Yeah it's exactly the same behavior as x86 and re using the same > mechanism seems the best solution > > The main problem is that AMU currently assumes that it will be the > only to support such tick based mechanism whereas others like cppc can > provides similar information Ionela do you have some feedback to Vincent's email? We can't handle this apart from the tick handler, i.e. capture this data at every tick like it is done for x86 or AMU. -- viresh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel