From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D7B13136643; Wed, 3 Jul 2024 22:26:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720045612; cv=none; b=axtVdd4ySRD8+4d7E4hJLSnfZsmmtlTkSimtIDpP1C9PvyuRXXq2Q67HB4LbTBTta8S24I4Zm5I9C4U1Qs26rMUBf+3ON16Qt6wCrYyasoNzL7M99Yp7oiqDFO7N2hGf8Yt8L8R8smbuUUGZG6WBHTfEA7KKIbZnqjRfhmK1PuM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720045612; c=relaxed/simple; bh=oypge0eDe1k0diy+whdltG9WV8gATeebYZ5wxQnvQxI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bclmlOh3AywcSC3FRGztN+wK3DT61sL9WT6f2xJ7juWopunmrtYjFnwPyr4UO8mFss2/LvL4EfvBEfLeUuxZlmQFIs41yIoUXfMsoFvIuzkMqI/+/gMgdAezB/43L0I8Bh4xRW7PP/RJWYA3YksGbAcFm6ubkun4/KZYVCQ6s2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=iYeJHUmc; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="iYeJHUmc" Received: from CPC-beaub-VBQ1L. (unknown [4.155.48.126]) by linux.microsoft.com (Postfix) with ESMTPSA id 6DDD520B7001; Wed, 3 Jul 2024 15:26:50 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 6DDD520B7001 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1720045610; bh=VxOS5jnbA0Lf+6v1MBAkXU6TPJciosuFNl3HvdPNn6c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iYeJHUmcJAvo9XetcxRm48+P4V1WJQBWYGeMQJIVJk11tNhseVXjjCOLPi+V/wKS9 2vKzvOZNl5UoSS+gdJvqbw/oC5yktnm71yqL+g649SzJMcjcbRkw83ATX80eeWuOxA R5dXbgloSUJbwjpZKZ/+eQqNADRGrMf2hQbSngtk= Date: Wed, 3 Jul 2024 22:26:46 +0000 From: Beau Belgrave To: Steven Rostedt Cc: Mathieu Desnoyers , "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: <20240703222646.GA2025-beaub@linux.microsoft.com> 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> <20240702125126.50a6267c@rorschach.local.home> 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-Disposition: inline In-Reply-To: <20240702125126.50a6267c@rorschach.local.home> On Tue, Jul 02, 2024 at 12:51:26PM -0400, Steven Rostedt wrote: > 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 Sure thing, sent one out [1]. Thanks, -Beau 1. https://lore.kernel.org/linux-doc/20240703222501.1547-1-beaub@linux.microsoft.com/