From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 24FAF1BC08A; Tue, 2 Jul 2024 16:51:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719939090; cv=none; b=oVAK04xAfrwUD0zun3BZemPiyIpCT+cALWn7N8uZk8hwjcvYhqYQ9JKlis338arSac7vPuIR1QEeUOO+AFWT0fZyYQNMXEHed/J077zokD6SzrENirl1v40pYI6UUcvg87ecbWyOLsx7Na8xg3VnvCRcQ8OaU0XKhqa312sLmCg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719939090; c=relaxed/simple; bh=ICrjSB/puKn4FpfGSe2MZmByySg0y3v/6MkyAa0VOnY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cSvaQ9sTJ0SwCefC42V+JNmXdpzbrAq+AsWmqkAHX40H9pgztuIDULLnXWFOo81jRBDH8DlV0gK1yGqG0OYNQZ41f33W3I1a8aqArSCls7JpH2GloAkx+nJUVI6VIp0J5AmFIldN1dOfIUPRSAu2//yj8LNrmiUefMZzmx6uwOU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBB78C116B1; Tue, 2 Jul 2024 16:51:27 +0000 (UTC) Date: Tue, 2 Jul 2024 12:51:26 -0400 From: Steven Rostedt To: Mathieu Desnoyers Cc: Beau Belgrave , "Dmitry V. Levin" , Vincent Donnefort , mhiramat@kernel.org, kernel-team@android.com, rdunlap@infradead.org, rppt@kernel.org, david@redhat.com, linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds Subject: Re: [PATCH v23 3/5] tracing: Allow user-space mapping of the ring-buffer Message-ID: <20240702125126.50a6267c@rorschach.local.home> In-Reply-To: References: <20240510140435.3550353-1-vdonnefort@google.com> <20240510140435.3550353-4-vdonnefort@google.com> <20240630105322.GA17573@altlinux.org> <20240630084053.0b506916@rorschach.local.home> <9a9c8ea4-8e17-4e7e-95fe-7b51441a228c@efficios.com> <20240702111807.13d2dd2c@rorschach.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 2 Jul 2024 11:32:53 -0400 Mathieu Desnoyers wrote: > If we use '*' for user events already, perhaps we'd want to consider > using the same range for the ring buffer ioctls ? Arguably one is > about instrumentation and the other is about ring buffer interaction > (data transport), but those are both related to tracing. Yeah, but I still rather keep them separate. Beau, care to send a patch adding an entry into that ioctl document for user events? -- Steve