Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753657AbaDEAVO (ORCPT ); Fri, 4 Apr 2014 20:21:14 -0400 Received: from mga11.intel.com ([192.55.52.93]:61940 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751215AbaDEAVM (ORCPT ); Fri, 4 Apr 2014 20:21:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,798,1389772800"; d="scan'208";a="507336610" Date: Fri, 4 Apr 2014 21:59:08 +0800 From: Fengguang Wu To: Davidlohr Bueso Cc: Linux Memory Management List , LKML , lkp@01.org Subject: [mm] e04ddfd12aa: +9.4% ebizzy.throughput Message-ID: <20140404135908.GB22386@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Davidlohr, FYI, there are noticeable ebizzy throughput increases on commit e04ddfd12aa03471eff7daf3bc2435c7cea8e21f ("mm: per-thread vma caching") test case: lkp-st02/micro/ebizzy/200%-100-10 700141f349f2b05 e04ddfd12aa03471eff7daf3b --------------- ------------------------- 23726 ~ 0% +9.4% 25955 ~ 0% TOTAL ebizzy.throughput 1525 ~ 0% +9.3% 1667 ~ 0% TOTAL ebizzy.throughput.per_thread.max 1428 ~ 0% +9.1% 1558 ~ 0% TOTAL ebizzy.throughput.per_thread.min 14.42 ~ 0% +8.1% 15.59 ~ 0% TOTAL ebizzy.time.user 65.29 ~ 0% -1.8% 64.12 ~ 0% TOTAL ebizzy.time.sys 4290 ~17% -28.4% 3073 ~22% TOTAL slabinfo.buffer_head.active_objs 4313 ~17% -28.8% 3073 ~22% TOTAL slabinfo.buffer_head.num_objs 165372 ~ 0% +9.2% 180527 ~ 0% TOTAL vmstat.system.in 1443 ~ 0% +8.1% 1560 ~ 0% TOTAL time.user_time 6529 ~ 0% -1.8% 6413 ~ 0% TOTAL time.system_time Legend: ~XX% - stddev percent [+-]XX% - change percent ebizzy.throughput 26500 ++O-----------O---O------------------------------------------------+ O O O O O O O O O O O | 26000 ++ O O O O O | | O O O | | | 25500 ++ | | | 25000 ++ | | | 24500 ++ | | | *.*.*. .*. .*.*.*. .*.*. *.*.*.*. | 24000 ++ *.* * *.* *.*.*.* *.*.*.*.*.*. | | *.*.*.*.*.*.* 23500 ++-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/