From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFF76433A0; Thu, 14 Mar 2024 09:11:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710407501; cv=none; b=mlGl8FuE8SFd9JKxis5cM5Y+J6U2Ib3dAsM/QOno3eZRPR80efi1rWgFkGSBG7tkayWn30n6AxNn9h8Frs+SX+zww5wlmx0JDJvHJqtX+VjP2cerQBO2GX658NSlb8Mb38QIIGVVmCUf6ut+MbpnqU7ZCUdB8KmradvrNG5QbWU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710407501; c=relaxed/simple; bh=2cJKZBx5PsaaqfUwwITqRaBdcp6gvaVRh9yAv6LGQI4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=dWLMnszku5wEi7nAupkqiI8ruOlqMXqWDrkPAwBCJ6OJGlVWScLvITJ6tA7V1q4THWXH9ym5drooNqeBJSeyUXaSkQi0NQJC8kXoS5Xy5nf1b86JxV6Y76MSQA2v7SpPD6Rol/u9Q/751NxOmoNwsl99PUPLIWFxuhfvFI96hug= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=zVj8vszb; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=yweRirHu; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="zVj8vszb"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="yweRirHu" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1710407497; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=j/D79kxBNVBIRfHA+CVmBNXD66NqkIGVp8XPWqMURUk=; b=zVj8vszbDAduY2HP4b5b5yxdUC+ObYwzypCXBuf4ewS+xK01uchTmQNaWrQUqqkL5q3EQr JF6PceLSHnhIAYw28xk6bYGCsJvEoPa4t8Vi/2yaTRLOcfSl1iXaiBCwxlHfC7y91BF6JB 1ksq2DjL0erAmPPxABETwmpjmAgYBsJrH4Gp882GnD4zFZ0AoPnOYPLPLgNEgizWqG4Ywf qVLWkWq7dQM84f61QlNF4V5ufux1fv5e4y37SGatogNla4nzxgifv3jAsl1McRAN6OS3q3 J1MOhjtXa6CFrBTcU3E0vp9Z8BPjjT2bunxHd1F0ad9/a7P3kSLmljRV65FTEg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1710407497; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=j/D79kxBNVBIRfHA+CVmBNXD66NqkIGVp8XPWqMURUk=; b=yweRirHuPQbIwYpeTuqVvUbjgFdko0pY2NwH2CBSyGvQ1AlYsExCPA5IFncKsTIy5jQz54 QzH/X70YPfAWBsCw== To: Florian Fainelli , Frederic Weisbecker Cc: "Russell King (Oracle)" , Joel Fernandes , Boqun Feng , Anna-Maria Behnsen , Linus Torvalds , linux-kernel@vger.kernel.org, kernel-team@meta.com, paulmck@kernel.org, mingo@kernel.org, rcu@vger.kernel.org, neeraj.upadhyay@amd.com, urezki@gmail.com, qiang.zhang1211@gmail.com, bigeasy@linutronix.de, chenzhongjin@huawei.com, yangjihong1@huawei.com, rostedt@goodmis.org, Justin Chen Subject: Re: Unexplained long boot delays [Was Re: [GIT PULL] RCU changes for v6.9] In-Reply-To: References: <4274be61-60bd-4e1e-9c16-26e6e5e06f65@gmail.com> <2fb110ed-ba04-4320-9ef0-8766c9df5578@gmail.com> <533151c9-afb5-453b-8014-9fbe7c3b26c2@gmail.com> Date: Thu, 14 Mar 2024 10:11:37 +0100 Message-ID: <87le6lmb3q.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Mar 13 2024 at 20:44, Florian Fainelli wrote: > On 3/13/2024 3:52 PM, Frederic Weisbecker wrote: >> Can you please boot with: >> >> trace_event=timer_migration,timer_start,timer_expire_entry,timer_cancel >> >> And add the following and give us the resulting output in dmesg? > > Here are two logs from two different systems that exposed the problem on > boot: > > https://gist.github.com/ffainelli/f0834c52ef6320c9216d879ca29a4b81 > https://gist.github.com/ffainelli/dc838883edb925a77d8eb34c0fe95be0 [ 0.003042] Failed to enable trace event: timer_migration The event option should be: trace_event=timer_migration:*,timer_start,timer_expire_entry,timer_cancel Thanks, tglx