Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752680Ab3F1TWi (ORCPT ); Fri, 28 Jun 2013 15:22:38 -0400 Received: from mga09.intel.com ([134.134.136.24]:48713 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750981Ab3F1TWg (ORCPT ); Fri, 28 Jun 2013 15:22:36 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,961,1363158000"; d="scan'208";a="337184581" Message-ID: <51CDE273.9080209@intel.com> Date: Fri, 28 Jun 2013 22:22:27 +0300 From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Peter Zijlstra CC: Ingo Molnar , Thomas Gleixner , H Peter Anvin , Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Jiri Olsa , Mike Galbraith , Namhyung Kim , Paul Mackerras , Stephane Eranian Subject: Re: [PATCH 0/5] perf: add two new features References: <1372425741-1676-1-git-send-email-adrian.hunter@intel.com> <20130628152745.GH6626@twins.programming.kicks-ass.net> In-Reply-To: <20130628152745.GH6626@twins.programming.kicks-ass.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 815 Lines: 18 On 28/06/2013 6:27 p.m., Peter Zijlstra wrote: > On Fri, Jun 28, 2013 at 04:22:16PM +0300, Adrian Hunter wrote: >> Hi >> >> Please consider these two new perf features: >> x86: add ability to calculate TSC from perf sample timestamps >> perf: add 'keep tracking' flag to PERF_EVENT_IOC_DISABLE > > Please explain to us why you'd like to do this.. I will see what information I can dig up. The short answer is that I need to disable and re-enable a perf event but still be able to map IPs to their DSOs and symbols - which means not losing mmap events. -- 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/