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=-2.3 required=3.0 tests=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 4859AC18E5A for ; Tue, 10 Mar 2020 22:19:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 159F0208E4 for ; Tue, 10 Mar 2020 22:19:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgCJWTC (ORCPT ); Tue, 10 Mar 2020 18:19:02 -0400 Received: from mga03.intel.com ([134.134.136.65]:3387 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726283AbgCJWTC (ORCPT ); Tue, 10 Mar 2020 18:19:02 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Mar 2020 15:19:01 -0700 X-IronPort-AV: E=Sophos;i="5.70,538,1574150400"; d="scan'208";a="242472808" Received: from rchatre-mobl.amr.corp.intel.com (HELO [10.251.10.135]) ([10.251.10.135]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 10 Mar 2020 15:19:01 -0700 Subject: Re: [PATCH V1 12/13] selftests/resctrl: Dynamically select buffer size for CAT test To: Sai Praneeth Prakhya , shuah@kernel.org, linux-kselftest@vger.kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, tony.luck@intel.com, babu.moger@amd.com, james.morse@arm.com, ravi.v.shankar@intel.com, fenghua.yu@intel.com, x86@kernel.org, linux-kernel@vger.kernel.org References: <18ab8b47d1d2b6373d7899bdf8df19fa94afcfaa.1583657204.git.sai.praneeth.prakhya@intel.com> From: Reinette Chatre Message-ID: <50e8e1a1-f7ef-2ea8-178e-49adf3373e23@intel.com> Date: Tue, 10 Mar 2020 15:19:00 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <18ab8b47d1d2b6373d7899bdf8df19fa94afcfaa.1583657204.git.sai.praneeth.prakhya@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Sai, On 3/6/2020 7:40 PM, Sai Praneeth Prakhya wrote: > Presently, while running CAT test case, if user hasn't given any input for > '-n' option, the test defaults to 5 bits to determine the buffer size that > is used during test. Instead of statically running always with 5 bits, > change it such that the buffer size is always half of the cache size. This seems more appropriate as a preparation patch to not have to make so many changes on top of the earlier patches included in this series. Reinette