Received: by 2002:a05:6a10:6d10:0:0:0:0 with SMTP id gq16csp4109672pxb; Tue, 19 Apr 2022 17:22:50 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwC10Z3if8VdCuoANtDN5hmo/aVGtoMRfw3QNTOlo6kJr1GM+qbaNU6ymkYuqFM+G2gvHQv X-Received: by 2002:a05:6402:4404:b0:423:d791:5e64 with SMTP id y4-20020a056402440400b00423d7915e64mr17499543eda.249.1650414170488; Tue, 19 Apr 2022 17:22:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650414170; cv=none; d=google.com; s=arc-20160816; b=tqfYEHJ7tdrLxB1JbI57kmEkmu509efV9Esq8LxSGCcIcTomzXTdNU5Ss2AhLbpHld vAe2zL4olzCElznfKeFt9RfUD1XZBcVU1+Jamsvhtg8tyXhHCUCCFvSotx7IkxWqRGhf V9abv7kbkK2b9iNSGNCc0I0hDBn/FFBUv9OxOlOZAX3Lvi//ys6vAi164bN2fF9rNiPR OkFKXmNmg5cfsABY+nNYSeyLc2ocIcbup3M4oxnv8YZuvU/XVH0ftyu/jbSnKzeNLEEz 9CEhblOjcEul0xFTmxqgTfEywgO/7G+VjjJA8NEZ2vxGXdhrOhcMusbI3mUpXBOYimpP ejPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:in-reply-to:subject :cc:to:dkim-signature:dkim-signature:from; bh=ACSVUlvGnqDZI2n71F28I0TraOl9Yjs3dUvYrfjMAHE=; b=o2/177y45M2QlOsOCc4/rLMOj/Xlc9bfoOap8pVp/hg4w1cyDHAD978ToTWucykK8y pc/nvJdDGWROdF0jq6NesJUayL2coD2wjgdRRx+jBzAjxElYONuLHJp8AID/v4pH4h/D cAV34y/OxqsGaESTWqmg8zKslLjIfXM8jOuPFngqIMDdKrzXheRq2UKRTIWEFJ5pibd6 A+1mq3pZhgYeECbcjGAo8Jnu5Jv91p5H0NwZ3y3pGf+CmMdtNer0OasIbSlJOcrmSYgr hBUz0gc4gwlaWZ44Gg5C7gZT3qVTsbdQ8T2rAK1HoHnUcO64OIi9MLTUacAIjZXoL5jp Jl7g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=gjZOttOH; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b=YwiIFsSM; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id z7-20020a05640235c700b00418c2b5bd43si376530edc.37.2022.04.19.17.22.27; Tue, 19 Apr 2022 17:22:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=gjZOttOH; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b=YwiIFsSM; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357698AbiDSUly (ORCPT + 99 others); Tue, 19 Apr 2022 16:41:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239482AbiDSUlv (ORCPT ); Tue, 19 Apr 2022 16:41:51 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D744240919; Tue, 19 Apr 2022 13:39:07 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1650400746; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=ACSVUlvGnqDZI2n71F28I0TraOl9Yjs3dUvYrfjMAHE=; b=gjZOttOHsTC2IeAYYI8gJJsDMLeapuokRo9d3LngjStAjVCEpz9yeP4wMh3MubEibH/RYo FJB46Yqw3rcAtbObntvaq/MiFTU4L3MnMQvowMGoUtfpzHbGiZMN5wH0Y99pzRScO/wvdz 1e0t6uHj79BlIpFfQEnOeks4CjO0uZDTfAa82mQp+/gmrM+tMhYXBDqqW9DqIe3vtyIAc3 kxBrJCVHLH6V7tKyiqwni2sCDJ9LMnwPxh7EYhQUD8/zvD7HjNh1W/McYT57dqKUBWvyt1 A0EX1iYIIxHKF/SImeyvfd3nTPrT2B05ZnTN+SFKbOk9tmY5gC9Mv143XDabLQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1650400746; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=ACSVUlvGnqDZI2n71F28I0TraOl9Yjs3dUvYrfjMAHE=; b=YwiIFsSMYgXWCova882NKcGbknygqHXvKBp+PcwZxRwR9rm7PQWhBxswoKQ2Z9KyXYmNAH 5gpJlQe6VDxHOWDg== To: Eric Dumazet Cc: LKML , the arch/x86 maintainers , "Rafael J. Wysocki" , linux-pm@vger.kernel.org, "Paul E. McKenney" Subject: Re: [patch 00/10] x86/cpu: Consolidate APERF/MPERF code In-Reply-To: Date: Tue, 19 Apr 2022 22:39:05 +0200 Message-ID: <87ee1svmdy.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric, On Tue, Apr 19 2022 at 08:51, Eric Dumazet wrote: > On Fri, Apr 15, 2022 at 12:19 PM Thomas Gleixner wrote: >> It could be argued that not all APERF/MPERF capable systems have the >> required BIOS information to enable frequency invariance support, but in >> practice most of them do. So the APERF/MPERF sampling can be made >> unconditional and just the frequency scale calculation for the scheduler >> excluded. >> >> The following series consolidates that. >> > > Thanks a lot for working on that Thomas. > > I am not sure I will be able to backport this to a Google prodkernel, > as I guess there will be many merge conflicts. :) > Do you have by any chance this work available in a git branch ? git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/amperf Thanks, tglx