Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932995AbcLIODV (ORCPT ); Fri, 9 Dec 2016 09:03:21 -0500 Received: from smtprelay0210.hostedemail.com ([216.40.44.210]:45819 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751729AbcLIODU (ORCPT ); Fri, 9 Dec 2016 09:03:20 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::,RULES_HIT:41:355:379:541:560:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1539:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2693:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3868:3870:3871:3873:3874:5007:6261:7875:10004:10400:10450:10455:10848:10967:11026:11232:11658:11914:12043:12740:12760:13069:13141:13149:13230:13255:13311:13357:13439:14181:14659:14721:19904:19999:21080:21088:30034:30054:30070:30090:30091,0,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,LFtime:2,LUA_SUMMARY:none X-HE-Tag: cake04_1cd55ffcce514 X-Filterd-Recvd-Size: 1671 Date: Fri, 9 Dec 2016 09:03:16 -0500 From: Steven Rostedt To: Marcin Nowakowski Cc: Ingo Molnar , Subject: Re: [PATCH 1/2] tracing/kprobes: add a helper method to return number of probe hits Message-ID: <20161209090316.41beafcc@gandalf.local.home> In-Reply-To: <20161209090052.106819b2@gandalf.local.home> References: <1481286352-31421-1-git-send-email-marcin.nowakowski@imgtec.com> <20161209090052.106819b2@gandalf.local.home> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; 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 Content-Length: 723 Lines: 20 On Fri, 9 Dec 2016 09:00:52 -0500 Steven Rostedt wrote: > On Fri, 9 Dec 2016 13:25:51 +0100 > Marcin Nowakowski wrote: > > > The number of probe hits is stored in a percpu variable and therefore > > can't be read directly. Add a helper method trace_kprobe_nhit() that > > performs the required calculation. > > Can you please add the "why?" to this change log. Who needs this > functionality, and why? > I should have specified, even if the next patch uses the functionality, each patch's change log should stand on its own. In the future, when people do git blame, they wont be seeing patch series. They will only see the change log of the one change. -- Steve