Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08AEEC636D7 for ; Thu, 16 Feb 2023 21:08:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230134AbjBPVIm (ORCPT ); Thu, 16 Feb 2023 16:08:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230127AbjBPVIk (ORCPT ); Thu, 16 Feb 2023 16:08:40 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F4DE3B86D; Thu, 16 Feb 2023 13:08:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 264C260A65; Thu, 16 Feb 2023 21:08:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65FADC433D2; Thu, 16 Feb 2023 21:08:30 +0000 (UTC) Date: Thu, 16 Feb 2023 16:08:28 -0500 From: Steven Rostedt To: Ross Zwisler Cc: linux-kernel@vger.kernel.org, Ross Zwisler , Paolo Bonzini , kvm@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH v2 4/6] tools/kvm_stat: use canonical ftrace path Message-ID: <20230216160828.085c0852@rorschach.local.home> In-Reply-To: <20230215223350.2658616-5-zwisler@google.com> References: <20230215223350.2658616-1-zwisler@google.com> <20230215223350.2658616-5-zwisler@google.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 15 Feb 2023 15:33:48 -0700 Ross Zwisler wrote: > The canonical location for the tracefs filesystem is at /sys/kernel/tracing. > > But, from Documentation/trace/ftrace.rst: > > Before 4.1, all ftrace tracing control files were within the debugfs > file system, which is typically located at /sys/kernel/debug/tracing. > For backward compatibility, when mounting the debugfs file system, > the tracefs file system will be automatically mounted at: > > /sys/kernel/debug/tracing > > A comment in kvm_stat still refers to this older debugfs path, so let's > update it to avoid confusion. > > Signed-off-by: Ross Zwisler Reviewed-by: Steven Rostedt (Google) -- Steve