From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752726AbbIORBz (ORCPT ); Tue, 15 Sep 2015 13:01:55 -0400 Received: from smtprelay0169.hostedemail.com ([216.40.44.169]:50613 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752545AbbIORBx (ORCPT ); Tue, 15 Sep 2015 13:01:53 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1537:1561:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:3138:3139:3140:3141:3142:3622:3865:3867:3871:3872:5007:6261:7514:7875:10004:10400:10848:10967:11026:11232:11658:11914:12438:12517:12519:12740:13069:13311:13357:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: dog48_4a7eb15930b27 X-Filterd-Recvd-Size: 1428 Date: Tue, 15 Sep 2015 13:01:50 -0400 From: Steven Rostedt To: Minfei Huang Cc: Minfei Huang , mingo@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [REPOST PATCH] ftrace: Remove the unused variant ftrace_update_time Message-ID: <20150915130150.2e5ba2fa@gandalf.local.home> In-Reply-To: <20150915163202.GB14393@t440s.lenovo> References: <1442301043-635-1-git-send-email-mhuang@redhat.com> <20150915093556.2f2148be@gandalf.local.home> <20150915153739.GA5896@t440s.lenovo> <20150915115057.2b9bea60@gandalf.local.home> <20150915160046.GA14393@t440s.lenovo> <20150915121226.2121424f@gandalf.local.home> <20150915163202.GB14393@t440s.lenovo> X-Mailer: Claws Mail 3.12.0 (GTK+ 2.24.28; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 16 Sep 2015 00:32:02 +0800 Minfei Huang wrote: > There is one more confusion. Is it valuable to export such info to > userspace? What does user do, if kernel exports this? Nothing. The dyn_ftrace_total_info is purely for debugging ftrace. It's something I use. -- Steve