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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 ACEEBC31E49 for ; Mon, 17 Jun 2019 01:31:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 718A82089E for ; Mon, 17 Jun 2019 01:31:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727538AbfFQBbo (ORCPT ); Sun, 16 Jun 2019 21:31:44 -0400 Received: from foss.arm.com ([217.140.110.172]:32866 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727382AbfFQBbo (ORCPT ); Sun, 16 Jun 2019 21:31:44 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 73BDD28; Sun, 16 Jun 2019 18:31:43 -0700 (PDT) Received: from [10.162.42.123] (p8cg001049571a15.blr.arm.com [10.162.42.123]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6CA773F246; Sun, 16 Jun 2019 18:31:41 -0700 (PDT) Subject: Re: LTP hugemmap05 test case failure on arm64 with linux-next (next-20190613) To: Qian Cai , Will Deacon Cc: Catalin Marinas , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , linux-arm-kernel@lists.infradead.org References: <1560461641.5154.19.camel@lca.pw> <20190614102017.GC10659@fuggles.cambridge.arm.com> <1560514539.5154.20.camel@lca.pw> From: Anshuman Khandual Message-ID: <054b6532-a867-ec7c-0a72-6a58d4b2723e@arm.com> Date: Mon, 17 Jun 2019 07:02:02 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1560514539.5154.20.camel@lca.pw> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Qian, On 06/14/2019 05:45 PM, Qian Cai wrote: > On Fri, 2019-06-14 at 11:20 +0100, Will Deacon wrote: >> Hi Qian, >> >> On Thu, Jun 13, 2019 at 05:34:01PM -0400, Qian Cai wrote: >>> LTP hugemmap05 test case [1] could not exit itself properly and then degrade >>> the >>> system performance on arm64 with linux-next (next-20190613). The bisection >>> so >>> far indicates, >>> >>> BAD:  30bafbc357f1 Merge remote-tracking branch 'arm64/for-next/core' >>> GOOD: 0c3d124a3043 Merge remote-tracking branch 'arm64-fixes/for-next/fixes' >> >> Did you finish the bisection in the end? Also, what config are you using >> (you usually have something fairly esoteric ;)? > > No, it is still running. > > https://raw.githubusercontent.com/cailca/linux-mm/master/arm64.config > Were you able to bisect the problem till a particular commit ? - Anshuman