Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932143Ab1BRJ6N (ORCPT ); Fri, 18 Feb 2011 04:58:13 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:60090 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754369Ab1BRJ6L (ORCPT ); Fri, 18 Feb 2011 04:58:11 -0500 Date: Fri, 18 Feb 2011 10:58:03 +0100 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= To: Steven Rostedt , Grant Likely Cc: linux-kernel@vger.kernel.org, David Brownell Subject: Re: [PATCH] gpio: add trace events for setting direction and value Message-ID: <20110218095803.GY22310@pengutronix.de> References: <1297875784-2302-1-git-send-email-u.kleine-koenig@pengutronix.de> <1297876371.26768.7235.camel@fedora> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1297876371.26768.7235.camel@fedora> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1172 Lines: 34 Hi Steven, hi Grant, On Wed, Feb 16, 2011 at 12:12:51PM -0500, Steven Rostedt wrote: > Note: to save the memory footprint of these tracepoints, you can use > DEFINE_EVENT_PRINT(). You can see the usage for this in the > include/trace/events/kmem.h. > But to do this, you will need to have a single TP_STRUCT__entry() for > both. Not sure if this is what you want. > > TP_STRUCT__entry( > __field(unsigned, gpiq) > __field(int, get_in) > __field(int, value_err) > > ?? > > Just a suggestion, but may not be worth it. Yeah, I saw that, still I think it's sane to keep them seperated. Or how much would we save? Can you estimate that? @Grant: Steven told me this should go via your tree, so if you are OK with the change, feel free to take it. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-K?nig | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/