From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============2826111480472754692==" MIME-Version: 1.0 From: Fengguang Wu To: lkp@lists.01.org Subject: [ext4] 71d4f7d0321: -49.6% xfstests.generic.274.seconds Date: Thu, 21 Aug 2014 22:30:06 +0800 Message-ID: <20140821143006.GA19943@localhost> List-Id: --===============2826111480472754692== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Ted, We noticed increased xfstests 274's test speed and the first good commit is 71d4f7d032149b935a26eb3ff85c6c837f3714e1 ("ext4: remove metadata reservation checks"). test case: snb-drag/xfstests/4HDD-ext4-generic-slow2 snb-drag is a Sandy Bridge PC with 6G memory. d5e03cbb0c88cd1 71d4f7d032149b935a26eb3ff = --------------- ------------------------- = 51 =C2=B1 2% -49.6% 25 =C2=B1 1% TOTAL xfstests.generi= c.274.seconds 817 =C2=B1 1% -3.0% 792 =C2=B1 1% TOTAL time.elapsed_ti= me xfstests.generic.274.seconds 60 ++--------------------------------------------------------------------= -+ | = | 55 ++ .*..*.. *.. *.. = | | .*. . .. .. = | 50 *+.*..*. *..*..*..* *..*..*..*..* * = | | = | 45 ++ = | | = | 40 ++ = | | = | 35 ++ = | | = | 30 ++ = | | = | 25 O+-O--O--O--O--O---O--O--O--O--O--O--O--O--O--O--O--O---O--O--O--O--O-= -O [*] bisect-good sample [O] bisect-bad sample Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. Thanks, Fengguang --===============2826111480472754692== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTAvY3B1ZnJlcS9z Y2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2Nw dS9jcHUxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9k ZXZpY2VzL3N5c3RlbS9jcHUvY3B1Mi9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKZWNobyBwZXJm b3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTMvY3B1ZnJlcS9zY2FsaW5nX2dv dmVybm9yCm1rZnMgLXQgZXh0NCAtcSAvZGV2L3NkYTcKbWtmcyAtdCBleHQ0IC1xIC9kZXYvc2Rh MTAKbWtmcyAtdCBleHQ0IC1xIC9kZXYvc2RhNgpta2ZzIC10IGV4dDQgLXEgL2Rldi9zZGE1Cm1v dW50IC10IGV4dDQgL2Rldi9zZGExMCAvZnMvc2RhMTAKbW91bnQgLXQgZXh0NCAvZGV2L3NkYTUg L2ZzL3NkYTUKbW91bnQgLXQgZXh0NCAvZGV2L3NkYTYgL2ZzL3NkYTYKbW91bnQgLXQgZXh0NCAv ZGV2L3NkYTcgL2ZzL3NkYTcKZXhwb3J0IFRFU1RfRElSPS9mcy9zZGExMApleHBvcnQgVEVTVF9E RVY9L2Rldi9zZGExMApleHBvcnQgU0NSQVRDSF9NTlQ9L2ZzL3NjcmF0Y2gKbWtkaXIgL2ZzL3Nj cmF0Y2ggLXAKZXhwb3J0IFNDUkFUQ0hfREVWPS9kZXYvc2RhNwouL2NoZWNrIGdlbmVyaWMvMjI0 IGdlbmVyaWMvMjMxIGdlbmVyaWMvMjc0IGdlbmVyaWMvMjk5IGdlbmVyaWMvMzAwCg== --===============2826111480472754692==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755253AbaHUO36 (ORCPT ); Thu, 21 Aug 2014 10:29:58 -0400 Received: from mga01.intel.com ([192.55.52.88]:39621 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755018AbaHUO35 (ORCPT ); Thu, 21 Aug 2014 10:29:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,909,1400050800"; d="scan'208";a="579904626" Date: Thu, 21 Aug 2014 22:30:06 +0800 From: Fengguang Wu To: "Theodore Ts'o" Cc: ext4@mail.home.local, LKML , lkp@01.org Subject: [ext4] 71d4f7d0321: -49.6% xfstests.generic.274.seconds Message-ID: <20140821143006.GA19943@localhost> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="xHFwDpU9dbj6ez1V" Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Heirloom mailx 12.5 6/20/10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Hi Ted, We noticed increased xfstests 274's test speed and the first good commit is 71d4f7d032149b935a26eb3ff85c6c837f3714e1 ("ext4: remove metadata reservation checks"). test case: snb-drag/xfstests/4HDD-ext4-generic-slow2 snb-drag is a Sandy Bridge PC with 6G memory. d5e03cbb0c88cd1 71d4f7d032149b935a26eb3ff --------------- ------------------------- 51 ± 2% -49.6% 25 ± 1% TOTAL xfstests.generic.274.seconds 817 ± 1% -3.0% 792 ± 1% TOTAL time.elapsed_time xfstests.generic.274.seconds 60 ++---------------------------------------------------------------------+ | | 55 ++ .*..*.. *.. *.. | | .*. . .. .. | 50 *+.*..*. *..*..*..* *..*..*..*..* * | | | 45 ++ | | | 40 ++ | | | 35 ++ | | | 30 ++ | | | 25 O+-O--O--O--O--O---O--O--O--O--O--O--O--O--O--O--O--O---O--O--O--O--O--O [*] bisect-good sample [O] bisect-bad sample Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Fengguang --xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=reproduce echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor mkfs -t ext4 -q /dev/sda7 mkfs -t ext4 -q /dev/sda10 mkfs -t ext4 -q /dev/sda6 mkfs -t ext4 -q /dev/sda5 mount -t ext4 /dev/sda10 /fs/sda10 mount -t ext4 /dev/sda5 /fs/sda5 mount -t ext4 /dev/sda6 /fs/sda6 mount -t ext4 /dev/sda7 /fs/sda7 export TEST_DIR=/fs/sda10 export TEST_DEV=/dev/sda10 export SCRATCH_MNT=/fs/scratch mkdir /fs/scratch -p export SCRATCH_DEV=/dev/sda7 ./check generic/224 generic/231 generic/274 generic/299 generic/300 --xHFwDpU9dbj6ez1V--