From patchwork Mon Jul 17 18:08:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 12161 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp1274771vqt; Mon, 17 Jul 2023 11:25:23 -0700 (PDT) X-Google-Smtp-Source: APBJJlFnkuwxJuqskOIxvdVvrMhLGb8JOGYn2UVtsXVMNFydWkk8XhSSGbeLwxbICXTocxvhj6mW X-Received: by 2002:a05:6512:b85:b0:4f8:442c:de25 with SMTP id b5-20020a0565120b8500b004f8442cde25mr9799325lfv.5.1689618322940; Mon, 17 Jul 2023 11:25:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689618322; cv=none; d=google.com; s=arc-20160816; b=G3KtfFPvQQWCsxyKf18+/6wT5c+7Rh+0FZR9qQSwH7NWX8cp4ytNrnNz4PhZ3YbmyO 4UKRPB1gSdE7xB15Bpu8TmxuVmlkEm2BJod6G3UaSQrlI8oiJX59guFayi0947WFizLq fBuHhTHt1iN25hMLNxDPW/pkQtsWwMOXuQYnAGif7fq4uv+5JBIPvMa97/l8tslT4nn0 KgqeY8KH76CaOv/8DiyyPCGERkq7WDgALV/nhD3pq2D0iEB118l7ryMdm0/BJhkdHLS5 Je7bjbWqk4W5Hzww9OVLoDqNvChJFb5N2rn4HGTdZDvWeDBPBO50FngPOi1/KSO33yJC 8r2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-disposition:mime-version:reply-to :message-id:subject:cc:to:from:date:dkim-signature; bh=fWj65rF+fLTFTQnOgrN9kHijOxPy1OLNW4MxC85t1cA=; fh=4Ax6M8yfdib5s4Mo8hkymO5N/GzErc/2IqDC41w0gCs=; b=pEX2/UbR44yWjzk4SCWcYV3kfcGCZiEdcUnUaPriqJgmHcLf8a9Bf9zCM9MfNZqoEK w5Cl5Iwr3rId/nMSR2t8zyv/KzHIdXHRSLs/Ow0hCqAfWppyAKR1mkTBlTX5KAkveXh6 bYa3nSHsq5ZtjR5MeJi3U2hAEfkJ54dIuL9hgBe9wprWeavETUDia7yTlAE9qiMSNw45 WurbZgni3l/E9EYMAZy3edVBJ6hZjkTq31xyRnQagXYXxKAoLAnLb3Ntdfa+iKSe8Gs9 kjDchzhfbsGklQsn7s9iFURlh4UrSD4K0rHuHteX3xTloEWKIWgthQNwGQq7x3Aslr3B TwEg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=BgScox2C; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id r4-20020aa7cb84000000b0051dff4f3c97si14218402edt.132.2023.07.17.11.24.58; Mon, 17 Jul 2023 11:25:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=BgScox2C; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229818AbjGQSIo (ORCPT + 99 others); Mon, 17 Jul 2023 14:08:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229449AbjGQSIm (ORCPT ); Mon, 17 Jul 2023 14:08:42 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B7E6AF; Mon, 17 Jul 2023 11:08:42 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C47B2611BF; Mon, 17 Jul 2023 18:08:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39BE3C433C8; Mon, 17 Jul 2023 18:08:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689617321; bh=j3LiqcbdyR4pUyr/8vAguOUbJf46aGe4ZoMPIdgaxWo=; h=Date:From:To:Cc:Subject:Reply-To:From; b=BgScox2CtKAHHP8gx5IkjM1adHNRwbtYKX9xLv9nd8Eol32/Q5xbv1JvGGa72BPDk Bc1Icg56OA8wJjhpuScHnGmRA+r8HLsT0CpB6h0KvyFJAzIxHSlwePIzOTVjLwS+vu EL0BKmrpomtOeVICBuT3GwCOQ1IX0NkVnqhldLkC1PyCJyzc4s7vcuQn+GBRzjTDet ans4LI8SPV7NFVrcRsQw/aQIB/uvdgikxxfdn1V5demSfKraYYSwIxRgBfTNVCgOYw j6hTX4tAjOThjfTCo0Y5hqe0+pKavBrbV5xErXVEFPZoV+I0I760Y2ccFESgKsoZPW Td9yCZisnCfVg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id E011ACE03F1; Mon, 17 Jul 2023 11:08:40 -0700 (PDT) Date: Mon, 17 Jul 2023 11:08:40 -0700 From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org Subject: [PATCH rcu 0/13] RCU update-side scalability test updates for v6.6 Message-ID: Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Disposition: inline X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771693222526578888 X-GMAIL-MSGID: 1771693222526578888 Hello! This series contains update-side RCU scalability tests: 1. Permit blocking delays between writers. 2. Add CONFIG_PREEMPT_DYNAMIC=n to NOPREEMPT scenario. 3. Fix gp_async_max typo: s/reader/writer/. 4. Fix uninitalized use of wait_queue_head_t, courtesy of Waiman Long. 5. Add minruntime module parameter. 6. Add a "jiffies" test. 7. Print out full set of module parameters. 8. Print out full set of kfree_rcu parameters. 9. Measure grace-period kthread CPU time. 10. Add kfree_by_call_rcu and kfree_mult to documentation. 11. Print grace-period kthread CPU time, if recorded. 12. Measure RCU Tasks Trace grace-period kthread CPU time. 13. Add RCU Tasks Rude testing. 14. fix building with RCU_TINY, courtesy of Arnd Bergmann. 15. Move rcu_scale_writer() schedule_timeout_uninterruptible() to _idle(), courtesy of Zqiang. 16. Add CONFIG_PREEMPT_DYNAMIC=n to TRACE01 scenario. Thanx, Paul ------------------------------------------------------------------------ Documentation/admin-guide/kernel-parameters.txt | 17 +- b/Documentation/admin-guide/kernel-parameters.txt | 5 b/include/linux/rcupdate_trace.h | 1 b/kernel/rcu/rcu.h | 3 b/kernel/rcu/rcuscale.c | 4 b/kernel/rcu/refscale.c | 3 b/kernel/rcu/tasks.h | 6 b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuscale.sh | 8 b/tools/testing/selftests/rcutorture/configs/rcuscale/CFcommon | 2 b/tools/testing/selftests/rcutorture/configs/rcuscale/TRACE01 | 2 b/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT | 1 kernel/rcu/rcu.h | 17 +- kernel/rcu/rcuscale.c | 83 +++++++++- kernel/rcu/refscale.c | 34 +++- kernel/rcu/tasks.h | 13 + 15 files changed, 180 insertions(+), 19 deletions(-)