Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755341AbbGZXsm (ORCPT ); Sun, 26 Jul 2015 19:48:42 -0400 Received: from mx2.suse.de ([195.135.220.15]:36300 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754448AbbGZXsl (ORCPT ); Sun, 26 Jul 2015 19:48:41 -0400 Message-ID: <1437954503.25997.4.camel@stgolabs.net> Subject: Re: [PATCH v3 2/7] locking/pvqspinlock: Add pending bit support From: Davidlohr Bueso To: Waiman Long Cc: Peter Zijlstra , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org, Scott J Norton , Douglas Hatch Date: Sun, 26 Jul 2015 16:48:23 -0700 In-Reply-To: <1437595962-21472-3-git-send-email-Waiman.Long@hp.com> References: <1437595962-21472-1-git-send-email-Waiman.Long@hp.com> <1437595962-21472-3-git-send-email-Waiman.Long@hp.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 851 Lines: 25 On Wed, 2015-07-22 at 16:12 -0400, Waiman Long wrote: > Using a locking microbenchmark on the same system, the locking > rates in (kops/s) were: > > Threads Rate w/o patch Rate with patch > ------- -------------- --------------- > 2 (same socket) 6,515,265 7,077,476 > 2 (diff sockets) 2,967,145 4,353,851 At this level stddev would be nice to have, as these sort of things have a lot of variation. Out of general interest, are these microbenchmarks available? Would you care to add something like that to perf-bench? I assume they would probably be x86 specific. Thanks, Davidlohr -- 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/