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=-5.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2A336C43613 for ; Fri, 21 Jun 2019 00:48:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 08F2C2084E for ; Fri, 21 Jun 2019 00:48:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726169AbfFUAsG (ORCPT ); Thu, 20 Jun 2019 20:48:06 -0400 Received: from mga09.intel.com ([134.134.136.24]:47231 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725869AbfFUAsG (ORCPT ); Thu, 20 Jun 2019 20:48:06 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jun 2019 17:48:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,398,1557212400"; d="scan'208";a="311842325" Received: from yhuang-dev.sh.intel.com (HELO yhuang-dev) ([10.239.159.29]) by orsmga004.jf.intel.com with ESMTP; 20 Jun 2019 17:48:04 -0700 From: "Huang\, Ying" To: Josef Bacik Cc: kernel test robot , David Sterba , , Linus Torvalds , LKML Subject: Re: [LKP] [btrfs] c8eaeac7b7: aim7.jobs-per-min -11.7% regression References: <20190513025004.GG31424@shao2-debian> <87blzl7itt.fsf@yhuang-dev.intel.com> <87v9xdymdg.fsf@yhuang-dev.intel.com> Date: Fri, 21 Jun 2019 08:48:03 +0800 In-Reply-To: <87v9xdymdg.fsf@yhuang-dev.intel.com> (Ying Huang's message of "Tue, 11 Jun 2019 08:52:11 +0800") Message-ID: <877e9fahmk.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=ascii Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Huang, Ying" writes: > "Huang, Ying" writes: > >> Hi, Josef, >> >> kernel test robot writes: >> >>> Greeting, >>> >>> FYI, we noticed a -11.7% regression of aim7.jobs-per-min due to commit: >>> >>> >>> commit: c8eaeac7b734347c3afba7008b7af62f37b9c140 ("btrfs: reserve >>> delalloc metadata differently") >>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master >>> >>> in testcase: aim7 >>> on test machine: 40 threads Intel(R) Xeon(R) CPU E5-2690 v2 @ 3.00GHz with 384G memory >>> with following parameters: >>> >>> disk: 4BRD_12G >>> md: RAID0 >>> fs: btrfs >>> test: disk_rr >>> load: 1500 >>> cpufreq_governor: performance >>> >>> test-description: AIM7 is a traditional UNIX system level benchmark >>> suite which is used to test and measure the performance of multiuser >>> system. >>> test-url: https://sourceforge.net/projects/aimbench/files/aim-suite7/ >> >> Here's another regression, do you have time to take a look at this? > > Ping Ping again ... Best Regards, Huang, Ying