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=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 66D18C33C9E for ; Fri, 17 Jan 2020 21:16:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E2C420748 for ; Fri, 17 Jan 2020 21:16:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="mnpD91qS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726587AbgAQVQl (ORCPT ); Fri, 17 Jan 2020 16:16:41 -0500 Received: from mail-pj1-f53.google.com ([209.85.216.53]:38668 "EHLO mail-pj1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726554AbgAQVQk (ORCPT ); Fri, 17 Jan 2020 16:16:40 -0500 Received: by mail-pj1-f53.google.com with SMTP id l35so3882375pje.3 for ; Fri, 17 Jan 2020 13:16:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=4+z/de1l+k9mLOLCf59mF0vCL8+HYdQeSPSYZkj7J1U=; b=mnpD91qSdBfL0TCATzTR/YTVE0BwCKm6ryki9nHrCutZtbLKcxxPeWaEhTmKTSQ7cN 572Dpem/6cqDaH1j2C1CKfklJ35f2+95fIvI8Ru6/qE7QYdyabSAtxkXDUimwwEhQuW8 Iy0HmkgNwKk//dP9rN4JwlkQHIiiiyCpgLTJQb7uUEqnmdaiHWLbPgrsn1b7TOCI45v/ mq0HhQE8g/8+6bOKWOUyEQua+MleriK8czV1nqvoME5IaZIJMZ9yZctvZZeqgjYI5MwQ FDfa7tvm28oAdlqsIEszPqEJf91q7P7jvdEmDp8i9KapO/K2zjph1EFiySyhVAgA7OtY Elhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=4+z/de1l+k9mLOLCf59mF0vCL8+HYdQeSPSYZkj7J1U=; b=nTayPwsgKe4ISwqLi1ExS9HW/arU3irnKa2XDIZ1c1xy7XFEszOimrpBVXR45IC1S9 TTekuStuSlbVUytnypbz2MzQ78isolCZ6yPh5krZ3pquC2DJC9hh+I2Bk3WFk4hlYt5z 6VGANa5BzoBNTjjAl5zHIHpI8NqvlUxRkcGjT50kf0qYdPuajU2q5YAxoKggwf70RgAG FN45Xyq4p6TF8sxYEsrSMtBOK1G6FBT+lfBJt5k9FflXKa69oGH0VrwMVTo/KeT/Kxk1 W+IAjlClWUT6hMSvbTJfmanj8ab5nh2gLB0yyXDoeFL4FKjVNkK30UiEXnoJNiVl4tBZ z98g== X-Gm-Message-State: APjAAAWx5XL8vO3cWvhZHLixk0tPeFjJzyvvs+BQ2XWhcqPz5FNTEWAB fvbp5NP5JwPZlMwAjWjM7TedkGjLSVY= X-Google-Smtp-Source: APXvYqyYc5RBl3cu8hZbRP/JP2JWj9U2O1xJF5YXL4Pg1FLySou54fr8pAHdXnfhxNseseDxCghWSw== X-Received: by 2002:a17:90a:31cf:: with SMTP id j15mr8225631pjf.120.1579295799659; Fri, 17 Jan 2020 13:16:39 -0800 (PST) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id m14sm3689554pjf.3.2020.01.17.13.16.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Jan 2020 13:16:39 -0800 (PST) Subject: Re: [RFC] io-uring madvise To: Pavel Begunkov , io-uring References: <69c3d3e4-8ed2-3925-b109-04318a8f97a7@gmail.com> From: Jens Axboe Message-ID: <6cf9d621-5c94-3112-4bf1-9f570040e042@kernel.dk> Date: Fri, 17 Jan 2020 14:16:38 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <69c3d3e4-8ed2-3925-b109-04318a8f97a7@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 1/17/20 2:14 PM, Pavel Begunkov wrote: > FYI, liburing tests showed the results below for yesterday's for-next kernel, > though it's not reproducible. > > Running test ./madvise > Suspicious timings > Test ./madvise failed with ret 1 Yeah, I need to improve that test, it's not very reliable/ -- Jens Axboe