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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 9AC10C4742C for ; Thu, 5 Nov 2020 23:47:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D90C22201 for ; Thu, 5 Nov 2020 23:47:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604620056; bh=y9+008TcZ5dQEv4McswveXEpGGU4MHFSE/f1o4sTv98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qJzU2TFkcHEkp4ObSGpcpfirPrjoSXyNO1DS4GR6DrHXCbFNaO/AbX2Hnk6K6zJum Hsy3qNjUY7RYYd++CwA02he8MsSq0QOLNXvWOw4cEaTb4enFO64tGzzYjdw+Wh+iGw NVPdEzv8EVXrQRnC9jz9Q9eL67G2/L3tkQkbzizE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732865AbgKEXrf (ORCPT ); Thu, 5 Nov 2020 18:47:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:45970 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732656AbgKEXr0 (ORCPT ); Thu, 5 Nov 2020 18:47:26 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-104-11.bvtn.or.frontiernet.net [50.39.104.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 74B0A20759; Thu, 5 Nov 2020 23:47:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604620045; bh=y9+008TcZ5dQEv4McswveXEpGGU4MHFSE/f1o4sTv98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sbnXjKQy4XB1XzgrzCQeICtIqUlpRQrcsWBP6FNBxZFKlwd9o/0pNllpruMTmbBiE T37jA8pFNzU5AAAE1I9Dravuq6gxQjYHTtGVK1301Ajna3mZWSkYpPD7X0GfNXzmwD 9KfiXmJ3mwnDcRtBH7x/jV6Y6hQ3MSPa1Uqm1Whw= 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 09/28] torture: Exclude "NOHZ tick-stop error" from fatal errors Date: Thu, 5 Nov 2020 15:47:00 -0800 Message-Id: <20201105234719.23307-9-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20201105234658.GA23142@paulmck-ThinkPad-P72> References: <20201105234658.GA23142@paulmck-ThinkPad-P72> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" The "NOHZ tick-stop error: Non-RCU local softirq work is pending" warning happens frequently and appears to be irrelevant to the various torture tests. This commit therefore filters it out. If there proves to be a need to pay attention to it a later commit will add an "advice" category to allow the user to immediately see that although something happened, it was not an indictment of the system being tortured. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/bin/console-badness.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/rcutorture/bin/console-badness.sh b/tools/testing/selftests/rcutorture/bin/console-badness.sh index 0e4c0b2..80ae7f0 100755 --- a/tools/testing/selftests/rcutorture/bin/console-badness.sh +++ b/tools/testing/selftests/rcutorture/bin/console-badness.sh @@ -13,4 +13,5 @@ egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for|!!!' | grep -v 'ODEBUG: ' | grep -v 'This means that this is a DEBUG kernel and it is' | -grep -v 'Warning: unable to open an initial console' +grep -v 'Warning: unable to open an initial console' | +grep -v 'NOHZ tick-stop error: Non-RCU local softirq work is pending, handler' -- 2.9.5