From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756874AbaHHQxH (ORCPT ); Fri, 8 Aug 2014 12:53:07 -0400 Received: from casper.infradead.org ([85.118.1.10]:52587 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750959AbaHHQxE (ORCPT ); Fri, 8 Aug 2014 12:53:04 -0400 Date: Fri, 8 Aug 2014 18:52:51 +0200 From: Peter Zijlstra To: Steven Rostedt Cc: "Paul E. McKenney" , Oleg Nesterov , linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, bobby.prani@gmail.com, masami.hiramatsu.pt@hitachi.com Subject: Re: [PATCH v3 tip/core/rcu 3/9] rcu: Add synchronous grace-period waiting for RCU-tasks Message-ID: <20140808165251.GJ9918@twins.programming.kicks-ass.net> References: <20140807200813.GB3935@laptop> <20140807171823.1a481290@gandalf.local.home> <20140808064020.GZ9918@twins.programming.kicks-ass.net> <20140808101221.21056900@gandalf.local.home> <20140808143413.GB9918@twins.programming.kicks-ass.net> <20140808105858.171da847@gandalf.local.home> <20140808151643.GD9918@twins.programming.kicks-ass.net> <20140808113949.046522c5@gandalf.local.home> <20140808161709.GF9918@twins.programming.kicks-ass.net> <20140808124018.46724b50@gandalf.local.home> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="7T7KKykdtTJNweTu" Content-Disposition: inline In-Reply-To: <20140808124018.46724b50@gandalf.local.home> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --7T7KKykdtTJNweTu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 08, 2014 at 12:40:18PM -0400, Steven Rostedt wrote: > On Fri, 8 Aug 2014 18:17:09 +0200 > Peter Zijlstra wrote: >=20 > > On Fri, Aug 08, 2014 at 11:39:49AM -0400, Steven Rostedt wrote: > > > Also, anyone can register a function handler (perf, systemtap, and ev= en > > > LTTng can). > >=20 > > So how common is it to have more than 1 function event handler, and how > > many of those cases is there significant difference in the actual > > functions? >=20 > For me, it's quite common. Of course, I tend to poweruse function > tracing :-). I do make instances and trace a few functions here and > there, while tracing all functions. Meh, then you have multiple trace files to combine, which makes the entire reading/scripting thing just _that_ much harder. Not useful. --7T7KKykdtTJNweTu Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJT5QBjAAoJEHZH4aRLwOS6tRMP/i7AG66/QIG8wbqXVduqxCCb X2w43Z4fC+ORhXZmDTSyUAaOq/t4u93z2LL8Utu8bRktrzFIEZ6tdUrIM2cc0lRe 4m7Piy6OEBmmdUM+2N9xRojwK62eQjf3Q/ypFjEVq+pSCikHmgNg7Vtv0luBYa4S bVlw0AtZa3YVviPaHfmAswUSPI86rjP032/4whLQtuvYhLKH8dsrcF7/d66baeiD oSlZlC11LZpRkWaA0K0ugyD+8KCRrjLgi76vIqEQSl/xKxJUgcnrdzx4OL1sCPu8 5HkZJSoLQUkGsqaEmmRk1sZXNFKcV4/wQQTCu5PEOz0M4fiy1mIOVYh/XqywsiLv O/BCqweNOMd2OWPeE+RZLDffFSFq+1mNhoIu5b6sUFtotptblZJITLOjkQ+L8VNy GbMi5EEGDMg6h9SAaFwd9Ob8xj8NdVRD2qG+bEmtfefKETYv8hpKaL6XeNVRQN0f PceMVM2big5v98iL6VKOgJPpZKuU8gvrtHOCec8CAVl6U3Rh0pz39HfXiPFy2PCw yhU4Bj55LwuivXRzxAAgYMA0QjssnhtxbxZyaWSOzD7TRcSTraKLvfASi5u1M9B1 cS4D2a6bELSVr4nYEoj6bQJH29aO3DleajicVmqg41Rd5DnBTFl80rqGQOtqVzn3 vMYCK58pHcurDYqm+9cn =SS58 -----END PGP SIGNATURE----- --7T7KKykdtTJNweTu--