Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933524AbaGUSoa (ORCPT ); Mon, 21 Jul 2014 14:44:30 -0400 Received: from mga11.intel.com ([192.55.52.93]:65473 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933237AbaGUSo2 (ORCPT ); Mon, 21 Jul 2014 14:44:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,703,1400050800"; d="scan'208";a="565079475" Message-ID: <53CD5F84.30700@intel.com> Date: Mon, 21 Jul 2014 21:44:20 +0300 From: Adrian Hunter User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: David Ahern , Andi Kleen CC: Jiri Olsa , linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Corey Ashford , Frederic Weisbecker , Ingo Molnar , Jean Pihet , Namhyung Kim , Paul Mackerras , Peter Zijlstra Subject: Re: [PATCHv3 00/19] perf tools: Factor ordered samples queue References: <1405893363-21967-1-git-send-email-jolsa@kernel.org> <53CCB6AE.6020505@intel.com> <20140721080219.GA4183@krava.redhat.com> <53CCD3A7.5070002@intel.com> <20140721095415.GB8865@krava.redhat.com> <87d2cy3c7m.fsf@tassilo.jf.intel.com> <53CD5AB5.3000307@intel.com> <53CD5DC6.3030605@gmail.com> In-Reply-To: <53CD5DC6.3030605@gmail.com> 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 On 21/07/2014 9:36 p.m., David Ahern wrote: > On 7/21/14, 12:23 PM, Adrian Hunter wrote: >> On 21/07/2014 7:31 p.m., Andi Kleen wrote: >>> Jiri Olsa writes: >>>> >>>> [jolsa@ibm-x3650m4-01 perf]$ sudo ./perf report --stdio >>>> Timestamp below last timeslice flush >>>> 0x2276f58 [0x68]: failed to process type: 9 >>> >>> FWIW we're seeing this frequently too. >> >> Jiri's example didn't work for me. Do you have one? > > $ perf sched record -m 8192 -- perf bench sched all > # Running sched/messaging benchmark... > # 20 sender and receiver processes per group > # 10 groups == 400 processes run > > Total time: 0.087 [sec] > > # Running sched/pipe benchmark... > # Executed 1000000 pipe operations between two processes > > Total time: 12.043 [sec] > > 12.043779 usecs/op > 83030 ops/sec > > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 289.549 MB perf.data (~12650569 samples) ] > 0x54b4828 [0]: failed to process type: 0 > > No overload condition, no dropped chunks message - yet can't process events. Actually, it was the "Timestamp below last timeslice flush" that I was interested in. -- 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/