From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============2975616651965693436==" MIME-Version: 1.0 From: Jet Chen To: lkp@lists.01.org Subject: [vfs] 662aa027bda: -7.2% will-it-scale.scalability Date: Tue, 27 May 2014 23:58:44 +0800 Message-ID: <5384B634.7080902@intel.com> List-Id: --===============2975616651965693436== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Miklos, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs.v22 commit 662aa027bdaa082aa3dd21886830c97a1dd4c184 ("vfs: add RENAME_WHITEOUT") test case: lkp-wsx01/will-it-scale/lseek2 9f498c77b4332b4 662aa027bdaa082aa3dd21886 --------------- ------------------------- 0.63 ~ 0% -7.2% 0.58 ~ 0% TOTAL will-it-scale.scalability 12861563 ~ 0% -1.1% 12715565 ~ 0% TOTAL will-it-scale.per_process= _ops 958 ~11% -16.9% 796 ~18% TOTAL numa-meminfo.node3.PageTa= bles 3013 ~11% +20.9% 3643 ~ 4% TOTAL numa-vmstat.node2.nr_slab= _reclaimable 12055 ~11% +20.9% 14574 ~ 4% TOTAL numa-meminfo.node2.SRecla= imable 1734 ~ 5% -10.6% 1550 ~ 4% TOTAL slabinfo.sock_inode_cache= .active_objs 1734 ~ 5% -10.6% 1550 ~ 4% TOTAL slabinfo.sock_inode_cache= .num_objs Legend: ~XX% - stddev percent [+-]XX% - change percent will-it-scale.scalability 0.63 ++----*---------*--------------*---*--------------*--*--*-----------= -+ | .*. *...*. *..*..*.. + : .*. *..* = | 0.62 *+ + : *..*. = | | * : .. = | | * = | 0.61 ++ = | | = | 0.6 ++ = | | = | 0.59 ++ = | | O O O = | | O O O O O O O O O O O O O = O 0.58 O+ O O O O = | | O = | 0.57 ++------------------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample Thanks, Jet --===============2975616651965693436== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" 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MiAxNiAxIDEwIDIwIDMwIDQwIDYwIDgwCgoK --===============2975616651965693436==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752867AbaE0P6u (ORCPT ); Tue, 27 May 2014 11:58:50 -0400 Received: from mga03.intel.com ([143.182.124.21]:46781 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752415AbaE0P6t (ORCPT ); Tue, 27 May 2014 11:58:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,920,1392192000"; d="scan'208";a="437407070" Message-ID: <5384B634.7080902@intel.com> Date: Tue, 27 May 2014 23:58:44 +0800 From: Jet Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Miklos Szeredi CC: Fengguang Wu , LKML , lkp@01.org Subject: [vfs] 662aa027bda: -7.2% will-it-scale.scalability Content-Type: multipart/mixed; boundary="------------030008020204080708050602" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------030008020204080708050602 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Miklos, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs.v22 commit 662aa027bdaa082aa3dd21886830c97a1dd4c184 ("vfs: add RENAME_WHITEOUT") test case: lkp-wsx01/will-it-scale/lseek2 9f498c77b4332b4 662aa027bdaa082aa3dd21886 --------------- ------------------------- 0.63 ~ 0% -7.2% 0.58 ~ 0% TOTAL will-it-scale.scalability 12861563 ~ 0% -1.1% 12715565 ~ 0% TOTAL will-it-scale.per_process_ops 958 ~11% -16.9% 796 ~18% TOTAL numa-meminfo.node3.PageTables 3013 ~11% +20.9% 3643 ~ 4% TOTAL numa-vmstat.node2.nr_slab_reclaimable 12055 ~11% +20.9% 14574 ~ 4% TOTAL numa-meminfo.node2.SReclaimable 1734 ~ 5% -10.6% 1550 ~ 4% TOTAL slabinfo.sock_inode_cache.active_objs 1734 ~ 5% -10.6% 1550 ~ 4% TOTAL slabinfo.sock_inode_cache.num_objs Legend: ~XX% - stddev percent [+-]XX% - change percent will-it-scale.scalability 0.63 ++----*---------*--------------*---*--------------*--*--*------------+ | .*. *...*. *..*..*.. + : .*. *..* | 0.62 *+ + : *..*. | | * : .. | | * | 0.61 ++ | | | 0.6 ++ | | | 0.59 ++ | | O O O | | O O O O O O O O O O O O O O 0.58 O+ O O O O | | O | 0.57 ++-------------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample Thanks, Jet --------------030008020204080708050602 Content-Type: text/plain; charset=UTF-8; name="reproduce" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce" ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTAvY3B1ZnJl cS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lz dGVtL2NwdS9jcHUxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNl ID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MTAvY3B1ZnJlcS9zY2FsaW5nX2dvdmVy 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