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=-20.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,USER_AGENT_GIT autolearn=unavailable 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 50D7AC6377B for ; Wed, 21 Jul 2021 21:02:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3918B613C9 for ; Wed, 21 Jul 2021 21:02:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230365AbhGUUVz (ORCPT ); Wed, 21 Jul 2021 16:21:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:33242 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229756AbhGUUVH (ORCPT ); Wed, 21 Jul 2021 16:21:07 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BBC416139A; Wed, 21 Jul 2021 21:01:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626901303; bh=WR0JBuJJ4v+AueQNLDr+YNS6ogvipX34EYylSqPkD0Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lX87yJKfIgN9Ef5f5YkrnrTFUdlFnmFpLezjzarGliAnz+QIHhg0SEV1CKua9RBrT S6tWsbFpAuHLfBtK60BGuZP4Uh7lh/LGtqZQyyGYyy1XzdxD4/GKHBsY3FFKHoog24 I+ZU4PmkLesXGSrbYkdz8wUoc+2qpnBGzwwzn3BW7ve/5p/UC2FLYNTH3OeZ1kxqeJ dmGYjMrW5ZSNRZwuiPh9/RUOtkTKpwKG5/9eqFtCWnnnV7Y+jU9kr2aZcc0JxdKp6X imY+0TwGZaH/vuR2NYLRTEnNkkGChBsjzwNPVVuDEjdk6G4OeYM7L5j+tH5xCHmSV2 5Xo9xX34GQr4Q== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id E44A55C22E5; Wed, 21 Jul 2021 14:01:42 -0700 (PDT) From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH rcu 15/21] rcutorture: Upgrade two-CPU scenarios to four CPUs Date: Wed, 21 Jul 2021 14:01:34 -0700 Message-Id: <20210721210140.787717-15-paulmck@kernel.org> X-Mailer: git-send-email 2.31.1.189.g2e36527f23 In-Reply-To: <20210721205511.GA786917@paulmck-ThinkPad-P17-Gen-1> References: <20210721205511.GA786917@paulmck-ThinkPad-P17-Gen-1> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no way to place the vCPUs in a two-CPU rcutorture scenario to get variable memory latency. This commit therefore upgrades the current two-CPU rcutorture scenarios to four CPUs. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/rcu/RUDE01 | 2 +- tools/testing/selftests/rcutorture/configs/rcu/TASKS01 | 2 +- tools/testing/selftests/rcutorture/configs/rcu/TASKS03 | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/rcutorture/configs/rcu/RUDE01 b/tools/testing/selftests/rcutorture/configs/rcu/RUDE01 index bafe94cbd7390..3ca112444ce77 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/RUDE01 +++ b/tools/testing/selftests/rcutorture/configs/rcu/RUDE01 @@ -1,5 +1,5 @@ CONFIG_SMP=y -CONFIG_NR_CPUS=2 +CONFIG_NR_CPUS=4 CONFIG_HOTPLUG_CPU=y CONFIG_PREEMPT_NONE=n CONFIG_PREEMPT_VOLUNTARY=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TASKS01 b/tools/testing/selftests/rcutorture/configs/rcu/TASKS01 index bafe94cbd7390..3ca112444ce77 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TASKS01 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TASKS01 @@ -1,5 +1,5 @@ CONFIG_SMP=y -CONFIG_NR_CPUS=2 +CONFIG_NR_CPUS=4 CONFIG_HOTPLUG_CPU=y CONFIG_PREEMPT_NONE=n CONFIG_PREEMPT_VOLUNTARY=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TASKS03 b/tools/testing/selftests/rcutorture/configs/rcu/TASKS03 index ea4399020c6c1..dc02083803ce5 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TASKS03 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TASKS03 @@ -1,5 +1,5 @@ CONFIG_SMP=y -CONFIG_NR_CPUS=2 +CONFIG_NR_CPUS=4 CONFIG_PREEMPT_NONE=n CONFIG_PREEMPT_VOLUNTARY=n CONFIG_PREEMPT=y -- 2.31.1.189.g2e36527f23