From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f176.google.com (mail-pd0-f176.google.com [209.85.192.176]) by kanga.kvack.org (Postfix) with ESMTP id EF0316B0031 for ; Fri, 4 Apr 2014 20:21:14 -0400 (EDT) Received: by mail-pd0-f176.google.com with SMTP id r10so3991461pdi.7 for ; Fri, 04 Apr 2014 17:21:14 -0700 (PDT) Received: from mga11.intel.com (mga11.intel.com. [192.55.52.93]) by mx.google.com with ESMTP id jg5si388968pbb.383.2014.04.04.17.21.12 for ; Fri, 04 Apr 2014 17:21:14 -0700 (PDT) Date: Fri, 4 Apr 2014 21:59:08 +0800 From: Fengguang Wu 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 Sender: owner-linux-mm@kvack.org List-ID: To: Davidlohr Bueso Cc: Linux Memory Management List , LKML , lkp@01.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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org