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=-19.0 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_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 EA048C433DB for ; Thu, 4 Mar 2021 01:01:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4B5F64F0D for ; Thu, 4 Mar 2021 01:01:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350752AbhCDBBe (ORCPT ); Wed, 3 Mar 2021 20:01:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:39030 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1452926AbhCDAjh (ORCPT ); Wed, 3 Mar 2021 19:39:37 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5BDCA64F0D; Thu, 4 Mar 2021 00:38:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614818294; bh=iAUyPww0CwqwsPGXyb0IutCV0eWwmE0ObhDkQWjCwXw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GSwRjMlX7ot1ceO3OYtxXKNtO8J6MnA6BURlcLX+0cImt4oyMIj7GeR2jxa4LaLZM z9Ih6RS3tctNwkbgl3HoqCRQ69/ZQD6d8baffPH8q7mNaIKulFvTnlQ3+3k5tI6WrO Kr/rHBxKKTa4kmUfUjo1uzfsVEpIHw068EM47FFEFv0Veqq9bPELnzub5VNkBxsXaX uQi31+cXaqpjF4irzVwulgYuILtYeo+m1cwxPFG8ejUNPVAW16vTJ9ffKHqTP7wyLG 6BS4kTLSPgDH8hkNx1Aq56sd0kBTdG3T3GxnWoVZLxSfZ8AgX860P9XzuDkz8e/i8H w3QYhtZ0quvtg== From: paulmck@kernel.org 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 tip/core/rcu 06/28] refscale: Disable verbose torture-test output Date: Wed, 3 Mar 2021 16:37:50 -0800 Message-Id: <20210304003812.24833-6-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20210304003750.GA24696@paulmck-ThinkPad-P72> References: <20210304003750.GA24696@paulmck-ThinkPad-P72> Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org From: "Paul E. McKenney" Given large numbers of threads, the quantity of torture-test output is sufficient to sometimes result in RCU CPU stall warnings. The probability of these stall warnings was greatly reduced by batching the output, but the warnings were not eliminated. However, the actual test only depends on console output that is printed even when refscale.verbose=0. This commit therefore causes this test to run with refscale.verbose=0. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh index 321e826..f81fa2c 100644 --- a/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh +++ b/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh @@ -12,5 +12,5 @@ # Adds per-version torture-module parameters to kernels supporting them. per_version_boot_params () { echo $1 refscale.shutdown=1 \ - refscale.verbose=1 + refscale.verbose=0 } -- 2.9.5