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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B9A0FCDB46F for ; Mon, 22 Jun 2026 13:08:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Wl8mD9+xZA8nx14eIBmWbrmAKkBoa2SL0k1i5niNjQs=; b=Ceq2Q8bu4xuNEVRW3XWhqcJnyi ENu3i1mZuEzjkgynftYZ4aAJANjAg2N1sG0qOq5JSDLla5XUWj2/WUkdC4i2WshAFBUkECjZ3O9GH /kGhyKC/9qF5wZ0T+TmsvW439h2d8DS+Vjq2wT1+2A+oSNGyavvqIJsuYzsZjzm+4XjLyqJ1ifyVS qBBwZ7p5D1BUxEBROgHWiKWQ7unmrUocLuc4oFUNIPbisW6Vd3dtlTVaWp9CEh9StbxrmjhMtGmt5 dyfo6qhm3h3oQYocN4erVwL4RedZh5FsAxz+0g/YVkH8EyBYtSC4JfhyJZ0fx924O9sn9POiyglY8 0sgDKQAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wbeOD-00000004zyE-2r6w; Mon, 22 Jun 2026 13:08:37 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wbeOC-00000004zxp-16HF for linux-arm-kernel@lists.infradead.org; Mon, 22 Jun 2026 13:08:36 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 4C8B5601F0; Mon, 22 Jun 2026 13:08:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5FB651F000E9; Mon, 22 Jun 2026 13:08:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782133715; bh=Wl8mD9+xZA8nx14eIBmWbrmAKkBoa2SL0k1i5niNjQs=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=a20FWXNV5UIOVvZQK3oYlnmbhvnGanajAqGfPBzgq1mtLmcUE0p/4+x6YU7Shadgl mqi/3qM8CCBEc0VEfdgQBopeHXXuKfZG+uiDCEbuCYUpTv0SvsiCbiGCb/9bB4KhEW DRUlVIjPKW+wSj99mCg6leZnz6Tlv8BmEwq+uZD69jaXsaAzuDy40c4nJO/LtwTgIV HkMCM8iVWaXizhCkYCbfvhIXZ4Fc2dHPUyzviYNP1yPfWv5E/7zB3cUSfjt3Sls1ya Bk1Z9eNqEc0O10dh8knMYEWL3e8V2fAD+NW45w3IWR+66cvzU66jHpfTiQOKBsif7e TuRZv2ou5tdjQ== Date: Mon, 22 Jun 2026 09:08:26 -0400 From: Steven Rostedt To: "Christophe Leroy (CS GROUP)" Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Linus Torvalds , Sebastian Andrzej Siewior , John Ogness , Thomas Gleixner , Peter Zijlstra , Julia Lawall , Yury Norov , linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-rdma@vger.kernel.org, linux-usb@vger.kernel.org, linux-ext4@vger.kernel.org, linux-nfs@vger.kernel.org, kvm@vger.kernel.org, intel-gfx@lists.freedesktop.org Subject: Re: [PATCH 0/2] tracing: Move trace_printk.h out of kernel.h Message-ID: <20260622090826.20efadb3@fedora> In-Reply-To: References: <20260621093430.264983361@kernel.org> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 22 Jun 2026 10:05:13 +0200 "Christophe Leroy (CS GROUP)" wrote: > > There's been complaints about trace_printk() being defined in kernel.h as it > > can increase the compilation time. As it is only used by some developers for > > debugging purposes, it should not be in kernel.h causing lots of wasted CPU > > cycles for those that do not ever care about it. > > Do we have a measurement of the increased compilation time ? I believe Yury does. -- Steve