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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B548C433F5 for ; Wed, 3 Nov 2021 22:17:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE3336054E for ; Wed, 3 Nov 2021 22:17:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229893AbhKCWUH (ORCPT ); Wed, 3 Nov 2021 18:20:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:33612 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229698AbhKCWUG (ORCPT ); Wed, 3 Nov 2021 18:20:06 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8D19C6054E; Wed, 3 Nov 2021 22:17:29 +0000 (UTC) Date: Wed, 3 Nov 2021 18:17:26 -0400 From: Steven Rostedt To: "Tzvetomir Stoyanov (VMware)" Cc: y.karadz@gmail.com, linux-trace-devel@vger.kernel.org Subject: Re: [PATCH v3 02/11] libtracefs: New APIs for dynamic events Message-ID: <20211103181726.7c0d87e0@gandalf.local.home> In-Reply-To: <20211103130319.0c932fce@gandalf.local.home> References: <20211103154417.246999-1-tz.stoyanov@gmail.com> <20211103154417.246999-3-tz.stoyanov@gmail.com> <20211103130319.0c932fce@gandalf.local.home> 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-trace-devel@vger.kernel.org On Wed, 3 Nov 2021 13:03:19 -0400 Steven Rostedt wrote: > On Wed, 3 Nov 2021 17:44:08 +0200 > "Tzvetomir Stoyanov (VMware)" wrote: > > > +static int dyn_generic_parse(struct dyn_events_desc *desc, const char *group, > > + char *line, struct tracefs_dynevent **ret_dyn) > > +{ > > + struct tracefs_dynevent *dyn; > > + char *format = NULL; > > + char *address; > > + char *system; > > + char *prefix; > > + char *event; > > + char *sav; > > + > > + if (strncmp(line, desc->prefix, strlen(desc->prefix))) > > + return -1; > > + > > + prefix = strtok_r(line, ":", &sav); > > + if (!prefix) > > + return -1; > > What if the user adds a name for the event? > > p:name system/event > > ? Actually, I'm curious to why we parse the prefix? We have it when it gets called. Why not use it? I'll add more about that in other emails. -- Steve