From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752956Ab3FJU33 (ORCPT ); Mon, 10 Jun 2013 16:29:29 -0400 Received: from ironport2-out.teksavvy.com ([206.248.154.182]:5838 "EHLO ironport2-out.teksavvy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750929Ab3FJU32 (ORCPT ); Mon, 10 Jun 2013 16:29:28 -0400 X-Greylist: delayed 570 seconds by postgrey-1.27 at vger.kernel.org; Mon, 10 Jun 2013 16:29:28 EDT X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjtbABK/CFFFxKyU/2dsb2JhbABEgkADgQWzWoEegnWDcI12oAihIo1hgykDpHqBXoMT X-IPAS-Result: AjtbABK/CFFFxKyU/2dsb2JhbABEgkADgQWzWoEegnWDcI12oAihIo1hgykDpHqBXoMT X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="16066927" Subject: 3.10.0-rcX vmstat regression From: Shane Shrybman To: linux-kernel@vger.kernel.org Content-Type: text/plain Date: Mon, 10 Jun 2013 16:19:56 -0400 Message-Id: <1370895596.4198.17.camel@mars> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, x86_64 with 32 bit user space, seen on all 3.10.0-rc's A typical 'vmstat 1' run looks like this: ~$ vmstat 1 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 3624776 26060 209808 0 0 1232 7 399 463 1 0 81 18 0 0 0 3624816 26060 209856 0 0 0 0 625 526 0 0 100 0 0 0 0 3624612 26064 209852 0 0 4 56 1174 1574 0 0 99 1 1 0 0 3624652 26064 209900 0 0 4 0 1501 2126 0 0 100 0 1 0 0 3624576 26076 209888 0 0 8 132 1299 1941 0 0 98 2 1 0 0 3624044 26088 210268 0 0 380 0 1642 2996 0 0 93 7 1 0 0 3628992 26140 219896 0 0 2783 7 1727 3284 0 0 85 15 0 1 0 3588504 26288 244572 0 0 5955 0 2096 3874 0 0 27 73 1 2 0 3572732 26428 253152 0 0 8792 212 1730 2374 0 0 27 73 1 7 0 3566128 26492 257696 0 0 1915 268 1832 2885 0 0 11 89 5 37 0 3527996 26576 270212 0 0 5668 0 2382 5117 0 0 9 91 3 3 0 3471676 26668 284616 0 0 8504 12 2334 4502 0 0 15 85 1 5 0 3485732 26852 264932 0 0 4556 0 1861 3648 0 0 8 92 3 4 0 3438112 26872 270956 0 0 1822 0 1770 5000 0 0 0 100 5 2 0 3405560 26916 274628 0 0 3413 96 2360 5571 0 0 9 91 5 1 0 3378800 26952 273024 0 0 1805 0 1968 4489 0 0 0 100 Floating point exception Two problems are shown: the floating point exception and the user and system stats are always 0, it looks like us and sys time are showing up as wait time. CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ_COMMON=y # CONFIG_HZ_PERIODIC is not set # CONFIG_NO_HZ_IDLE is not set CONFIG_NO_HZ_FULL=y CONFIG_NO_HZ_FULL_ALL=y CONFIG_NO_HZ=y # CONFIG_HIGH_RES_TIMERS is not set Sorry if this report is a duplicate, Shane