From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752242AbcEKKGF (ORCPT ); Wed, 11 May 2016 06:06:05 -0400 Received: from mga11.intel.com ([192.55.52.93]:8488 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752026AbcEKKGD (ORCPT ); Wed, 11 May 2016 06:06:03 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,608,1455004800"; d="scan'208";a="973359194" From: Alexander Shishkin To: Peter Zijlstra Cc: Thomas Gleixner , x86@kernel.org, Borislav Petkov , Ingo Molnar , linux-kernel@vger.kernel.org, vince@deater.net, eranian@google.com, Arnaldo Carvalho de Melo Subject: Re: [PATCH 2/2] perf: Disable the event on a truncated AUX record In-Reply-To: <20160511094931.GD3190@twins.programming.kicks-ass.net> References: <1462886313-13660-1-git-send-email-alexander.shishkin@linux.intel.com> <1462886313-13660-3-git-send-email-alexander.shishkin@linux.intel.com> <20160511091333.GA3190@twins.programming.kicks-ass.net> <874ma5ue2g.fsf@ashishki-desk.ger.corp.intel.com> <20160511094931.GD3190@twins.programming.kicks-ass.net> User-Agent: Notmuch/0.21 (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu) Date: Wed, 11 May 2016 13:05:56 +0300 Message-ID: <87y47gucxn.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Peter Zijlstra writes: > On Wed, May 11, 2016 at 12:41:27PM +0300, Alexander Shishkin wrote: >> Peter Zijlstra writes: >> > >> > Does the userspace tool know how to deal with this and re-enable it? >> >> Yes, it knows to ioctl(EVENT_ENABLE). Also, we're already doing the >> disabling for the no-room-in-buffer condition in >> perf_aux_output_begin(). > > Awesome; gots them queued. Much thanks! Regards, -- Alex