Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp655014pxk; Thu, 3 Sep 2020 09:14:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzZTACjTNBsqLhcQVk0xxEjYjdVulsHuNMGebCzXvlRnRqdyODCb10aonbGzHeOLs/X718M X-Received: by 2002:a50:fb0e:: with SMTP id d14mr4151803edq.172.1599149688087; Thu, 03 Sep 2020 09:14:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599149688; cv=none; d=google.com; s=arc-20160816; b=y4IUjK9p8d3NY5orNb4Etmrq4XlBKPwSLvU7XOcql53/ntFbuQ2q+7QNzgJsl4kkDp K7vm7wSiX4KPI2nm0Qzam0VTzgRuZOPtz+FVLBG7kMRMNsD18K+lr8q/PfRkpFkiGblR gCXrRQXrw3PIJb0s99UffCyQHZZO4o4Ga9uNeDaBLImcp7yePglE+fUmfbcwbtEeY9z+ 0v4LTkwT59pUiA2ZqjD/WzsTU85eFcTx4Dy61HTpQEjg1L3kKAL+UiD8T3qybKloqmXr dcP0Pq2YMRi4vNgYXAHIC8gMFuoJ9pk235tVhVeuvcenfMlFO1DYQL9snCRro608umvD uOag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:to:reply-to:from:subject :message-id:ironport-sdr:ironport-sdr; bh=ZCOcvYwe8YoGEvVmqp9pl881omT6Ro1OfBA1QM6kWXE=; b=aruXMYGkvzdmjogzezsAHYXsm5PR+kS3dM69GANUb30g6bXjFp8zdR6y9zcmAdH4EV ljHT0R2pxfI+Z4SFGo1NIuKhGCUfilz0dXEOB0HZ7EAmmEJHbCTNxm0yunsn8RtfXWtU ozA7UYP+Mfq5zFfr2IRw8AoqWJNxngXIfzFI9ICSzQ8MxaemeP0cCSZ3E7F7KbMa7LTF 7dK0Oup8mopKPjU2YL1ngWN8faS9vde1ZhFua76nYFXVkx9zmyhd2xU+B9PJaDCEdovh xQWiTWJz67P0BUhshK31OO71mW3M5uivDuOzpSuIjGGz9Tw/6v/xkXRQymMMUiIRTvR0 NY6A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q24si2210110edi.78.2020.09.03.09.14.23; Thu, 03 Sep 2020 09:14:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728969AbgICQN0 (ORCPT + 99 others); Thu, 3 Sep 2020 12:13:26 -0400 Received: from mga14.intel.com ([192.55.52.115]:51539 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728575AbgICQNU (ORCPT ); Thu, 3 Sep 2020 12:13:20 -0400 IronPort-SDR: SEn1VCuIgsSlG4ssSl4gkLqRSlIVgUEbUNeVCbYmj9ma/kuteeNfItz+Nevx6P9/Werl/LkiwM yHstA9pgaOVA== X-IronPort-AV: E=McAfee;i="6000,8403,9733"; a="156874695" X-IronPort-AV: E=Sophos;i="5.76,387,1592895600"; d="scan'208";a="156874695" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2020 09:13:19 -0700 IronPort-SDR: fk5N31e8TGXqszp/hkGx3Y27Do4CNUaLdLlqnJp1760vL/L5dq2hrU3xSP3351G+w/bgBSa+0U R2mw+5q6ydyw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,387,1592895600"; d="scan'208";a="331834658" Received: from linux.intel.com ([10.54.29.200]) by orsmga008.jf.intel.com with ESMTP; 03 Sep 2020 09:13:19 -0700 Received: from abityuts-desk1.ger.corp.intel.com (abityuts-desk1.ger.corp.intel.com [10.237.72.186]) by linux.intel.com (Postfix) with ESMTP id 247D458079D; Thu, 3 Sep 2020 09:13:15 -0700 (PDT) Message-ID: <515651b2caa08799df03f07dcc429321b4dcc05e.camel@gmail.com> Subject: Re: [RFC v4 1/1] selftests/cpuidle: Add support for cpuidle latency measurement From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Pratik Sampat , rjw@rjwysocki.net, daniel.lezcano@linaro.org, srivatsa@csail.mit.edu, shuah@kernel.org, npiggin@gmail.com, ego@linux.vnet.ibm.com, svaidy@linux.ibm.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, pratik.r.sampat@gmail.com Date: Thu, 03 Sep 2020 19:13:15 +0300 In-Reply-To: <9c5156274a86573ad592e6e431f3cbee8135b736.camel@gmail.com> References: <20200902114506.45809-1-psampat@linux.ibm.com> <20200902114506.45809-2-psampat@linux.ibm.com> <9c5156274a86573ad592e6e431f3cbee8135b736.camel@gmail.com> 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 Thu, 2020-09-03 at 17:50 +0300, Artem Bityutskiy wrote: > Well, things depend on platform, it is really "void", it is just > different and it measures an optimized case. The result may be smaller > observed latency. Sorry, I meant to say it is _not_ really "void".