From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754532AbaLWDK0 (ORCPT ); Mon, 22 Dec 2014 22:10:26 -0500 Received: from mga02.intel.com ([134.134.136.20]:64711 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754462AbaLWDKT (ORCPT ); Mon, 22 Dec 2014 22:10:19 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="yaml'?scan'208";a="432401352" Message-ID: <1419304217.26403.44.camel@intel.com> Subject: [LKP] [ftrace] fef5aeeee9e: -27.2% boot-slabinfo.num_objs From: Huang Ying To: "Steven Rostedt (Red Hat)" Cc: LKML , LKP ML Date: Tue, 23 Dec 2014 11:10:17 +0800 Content-Type: multipart/mixed; boundary="=-gJdUyqXFQfrzHs3XUnQj" X-Mailer: Evolution 3.12.9-1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-gJdUyqXFQfrzHs3XUnQj Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit FYI, we noticed the below changes on commit fef5aeeee9e3717e7aea991a7ae9ff6a7a2d4c85 ("ftrace: Replace tramp_hash with old_*_hash to save space") testbox/testcase/testparams: vm-kbuild-4G/boot/1 e1effa0144a1ddf5 fef5aeeee9e3717e7aea991a7a ---------------- -------------------------- %stddev %change %stddev \ | \ 437752 ± 0% -27.2% 318545 ± 0% boot-slabinfo.num_objs vm-kbuild-4G: qemu-system-x86_64 -enable-kvm Memory: 4G boot-slabinfo.num_objs 440000 *+*--*-*-*------*----*-*-*--*--------*-*--*-*-*--*-----------------+ | *.* *. *.*..* | 420000 ++ | | | 400000 ++ | | | 380000 ++ | | | 360000 ++ | | | 340000 ++ | | | 320000 O+O O O O O O O O O O O O O O O O O O O O O O O O O O | O O O | 300000 ++-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml 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, Huang, Ying --=-gJdUyqXFQfrzHs3XUnQj Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="job.yaml" Content-Transfer-Encoding: 7bit --- testcase: boot default_monitors: boottime: kernel-size: default_watchdogs: watch-oom: watchdog: cpufreq_governor: model: qemu-system-x86_64 -enable-kvm nr_vm: 8 nr_cpu: 4 memory: 4G rootfs: debian-x86_64.cgz hdd_partitions: "/dev/vda /dev/vdb /dev/vdc /dev/vdd" swap_partitions: "/dev/vde" boot-meminfo: boot-slabinfo: boot-memory: memmap: bootmem: sleep: 1 branch: linus/master commit: b2776bf7149bddd1f4161f14f79520f17fc1d71d testbox: vm-kbuild-4G-1 tbox_group: vm-kbuild-4G kconfig: x86_64-allyesdebian enqueue_time: 2014-12-15 07:00:22.267392531 +08:00 kernel: "/kernel/x86_64-allyesdebian/b2776bf7149bddd1f4161f14f79520f17fc1d71d/vmlinuz-3.18.0" user: lkp queue: rand result_root: "/result/vm-kbuild-4G/boot/1/debian-x86_64.cgz/x86_64-allyesdebian/b2776bf7149bddd1f4161f14f79520f17fc1d71d/0" job_file: "/lkp/scheduled/vm-kbuild-4G-1/rand_boot-1-debian-x86_64.cgz-x86_64-allyesdebian-b2776bf7149bddd1f4161f14f79520f17fc1d71d-0.yaml" dequeue_time: 2014-12-15 07:01:52.000092900 +08:00 job_state: finished loadavg: 2.54 1.47 0.58 2/196 5734 start_time: '1418598302' end_time: '1418598303' version: "/lkp/lkp/.src-20141214-133531" --=-gJdUyqXFQfrzHs3XUnQj Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable _______________________________________________ LKP mailing list LKP@linux.intel.com =0D --=-gJdUyqXFQfrzHs3XUnQj--