From patchwork Tue Dec 12 17:34:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neeraj upadhyay X-Patchwork-Id: 13489733 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DlavEJZG" Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2920CB9; Tue, 12 Dec 2023 09:34:37 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id 98e67ed59e1d1-28ac11407cfso360952a91.1; Tue, 12 Dec 2023 09:34:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702402475; x=1703007275; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Iw+CIAg8alL2TfLLUR0OkhwDoqn5kHDhii4hhgbuJek=; b=DlavEJZGBXl+5cmGgQwEmIbxX3ePKQdO3tVf57LJ3ea6fpNAsL0uxMoBj0x/6JuVON IAFaw6Obb553wk4DkVLxVM2/Z3u2+dWQVC3gbvs8Od5Ng3clkQX0RUXmYyy56hv5A2kH LxbImWu9cXjKxj2OCoqpVgAVIyTWZVMliqbGzMjD5962ZmTfjQiQzAx6QkIqIOe047zT lwNFe++RtlMFaaawzqgjN8jZOtFH+/F8OUIEMqDYk5NS5AKWf9FswTyjnW7clLFDM49N eyucsIMCYaJ5Cqpuh1EI0CQ4yZC0H4rfHz24CLMslbhG/9pjzxaVRSwmiNuSkKMkcFYW JPSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702402475; x=1703007275; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Iw+CIAg8alL2TfLLUR0OkhwDoqn5kHDhii4hhgbuJek=; b=lcbk5Um76aqpLyEVKqaY4AOORtdJ3fhdQDrx3uO1x82rbxg1SlB2C2HibfJspQrM0Q 9o8Yy+Kw8OihtJwnStsmIPK3yNR6Bxu3jOPjSEIr2pcGsv6xBqlk29ryJPG9BFjFwmqE t1pSFj0PFe0cb65iCGrDIPj/Y8F253pJo6uE56Lr2KrpdlNuTHr3/Uf2VkYzXSmYlYeo w9KFaiTTN2mDRBUql4ITzqBtBUZBYdL/+JGln6Ug8CiKw/6Hd6ql3Wtrs2+ZF16CxMTu RK3OO3LH2UxEsBFj6LofEGhTr6JZYMBA9SMKAGo8J38O+kYTe93BO9VXPOK7xdSUl38o mx8A== X-Gm-Message-State: AOJu0YxoC/i5CMRrpRdR1VnbXviX5fp0/8kbYC4zwdooDDCAxupCcrcf Z/B8Hjnr0ApnD3AhGeIh7lC8+QDgC8CVyOsx X-Google-Smtp-Source: AGHT+IHdSW8OwThXU0yHzXVEdO4UM7Avlxx8V/jJBruEaZYEjcx6lbfWkqXbvpFhgg4PBpvW+oFCQQ== X-Received: by 2002:a17:90a:3ec1:b0:280:24c7:509 with SMTP id k59-20020a17090a3ec100b0028024c70509mr2932704pjc.46.1702402474615; Tue, 12 Dec 2023 09:34:34 -0800 (PST) Received: from localhost.localdomain ([101.0.63.152]) by smtp.gmail.com with ESMTPSA id nc4-20020a17090b37c400b00285545ac9d2sm9213862pjb.47.2023.12.12.09.34.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Dec 2023 09:34:34 -0800 (PST) From: "Neeraj Upadhyay (AMD)" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, paulmck@kernel.org, Neeraj.Upadhyay@amd.com, Neeraj Upadhyay Subject: [PATCH rcu 3/4] rcutorture: Add mid-sized stall to TREE07 Date: Tue, 12 Dec 2023 23:04:13 +0530 Message-Id: <20231212173414.11602-3-neeraj.iitr10@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231212173334.GA11572@neeraj.linux> References: <20231212173334.GA11572@neeraj.linux> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Paul E. McKenney" There is code in rcu_implicit_dynticks_qs() that checks for the current grace period being halfway to the RCU CPU stall timeout, but rcutorture currently does not test this code. This commit therefore adds a 14-second stall to the TREE07 scenario in order to test this code given the default RCU CPU stall warning timeout of 21 seconds. Signed-off-by: Paul E. McKenney Signed-off-by: Neeraj Upadhyay (AMD) --- tools/testing/selftests/rcutorture/configs/rcu/TREE07.boot | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE07.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE07.boot index d44609937503..979edbf4c820 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE07.boot +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE07.boot @@ -1 +1,4 @@ nohz_full=2-9 +rcutorture.stall_cpu=14 +rcutorture.stall_cpu_holdoff=90 +rcutorture.fwd_progress=0