From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D20BAC433E1 for ; Sun, 24 May 2020 19:04:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0CE32076C for ; Sun, 24 May 2020 19:04:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388121AbgEXTEj (ORCPT ); Sun, 24 May 2020 15:04:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388009AbgEXTEi (ORCPT ); Sun, 24 May 2020 15:04:38 -0400 Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B3FCC061A0E; Sun, 24 May 2020 12:04:38 -0700 (PDT) Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1jcvue-0005xX-VA; Sun, 24 May 2020 21:03:57 +0200 Date: Sun, 24 May 2020 21:03:56 +0200 From: Sebastian Andrzej Siewior To: "Paul E. McKenney" Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, Ingo Molnar , Steven Rostedt , Will Deacon , Thomas Gleixner , Linus Torvalds , Lai Jiangshan , Josh Triplett , Mathieu Desnoyers , rcu@vger.kernel.org Subject: Re: [PATCH 3/8] srcu: Use local_lock() for per-CPU struct srcu_data access Message-ID: <20200524190356.eqohmrmbilonm4u7@linutronix.de> References: <20200519201912.1564477-1-bigeasy@linutronix.de> <20200519201912.1564477-4-bigeasy@linutronix.de> <20200520102407.GF317569@hirez.programming.kicks-ass.net> <20200520120608.mwros5jurmidxxfv@linutronix.de> <20200520184345.GU2869@paulmck-ThinkPad-P72> <20200522151255.rtqnuk2cl3dpruou@linutronix.de> <20200522173953.GI2869@paulmck-ThinkPad-P72> <20200523150831.wdrthklakwm6wago@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200523150831.wdrthklakwm6wago@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-05-23 17:08:32 [+0200], To Paul E. McKenney wrote: > On 2020-05-22 10:39:53 [-0700], Paul E. McKenney wrote: > > It looks good to me, but I have not yet tested it. (Happy to let you > > take the first crack at rcutorture in any case, scenarios SRCU-P and > > SRCU-N.) > > on it. |tools/testing/selftests/rcutorture/bin/kvm.sh --cpus 32 --duration 240 --configs 8*SRCU-N |SRCU-N ------- 2127126 GPs (147.717/s) [srcu: g26566592 f0x0 ] |SRCU-N.2 ------- 2123520 GPs (147.467/s) [srcu: g26563696 f0x0 ] |SRCU-N.3 ------- 2122181 GPs (147.374/s) [srcu: g26549140 f0x0 ] |SRCU-N.4 ------- 2126099 GPs (147.646/s) [srcu: g26564232 f0x0 ] |SRCU-N.5 ------- 2127107 GPs (147.716/s) [srcu: g26590168 f0x0 ] |SRCU-N.6 ------- 2125489 GPs (147.603/s) [srcu: g26545616 f0x0 ] |SRCU-N.7 ------- 2128308 GPs (147.799/s) [srcu: g26591524 f0x0 ] |SRCU-N.8 ------- 2126432 GPs (147.669/s) [srcu: g26586816 f0x0 ] | |tools/testing/selftests/rcutorture/bin/kvm.sh --cpus 32 --duration 240 --configs 8*SRCU-P |SRCU-P ------- 565751 GPs (39.2883/s) [srcud: g5034676 f0x0 ] |SRCU-P.2 ------- 569508 GPs (39.5492/s) [srcud: g5062872 f0x0 ] |SRCU-P.3 ------- 574240 GPs (39.8778/s) [srcud: g5098488 f0x0 ] |SRCU-P.4 ------- 564376 GPs (39.1928/s) [srcud: g5031244 f0x0 ] |SRCU-P.5 ------- 563705 GPs (39.1462/s) [srcud: g5024720 f0x0 ] |SRCU-P.6 ------- 565043 GPs (39.2391/s) [srcud: g5030272 f0x0 ] |SRCU-P.7 ------- 567450 GPs (39.4062/s) [srcud: g5046392 f0x0 ] |SRCU-P.8 ------- 566496 GPs (39.34/s) [srcud: g5039396 f0x0 ] Results at https://breakpoint.cc/res.tar.xz Sebastian