From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B85AC433F4 for ; Mon, 24 Sep 2018 07:03:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F1D32145D for ; Mon, 24 Sep 2018 07:03:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5F1D32145D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727649AbeIXNEB (ORCPT ); Mon, 24 Sep 2018 09:04:01 -0400 Received: from mga01.intel.com ([192.55.52.88]:60524 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726072AbeIXNEA (ORCPT ); Mon, 24 Sep 2018 09:04:00 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Sep 2018 00:03:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,296,1534834800"; d="scan'208";a="265154756" Received: from linux.intel.com ([10.54.29.200]) by fmsmga005.fm.intel.com with ESMTP; 24 Sep 2018 00:03:00 -0700 Received: from [10.125.252.28] (abudanko-mobl.ccr.corp.intel.com [10.125.252.28]) by linux.intel.com (Postfix) with ESMTP id 8465C580117; Mon, 24 Sep 2018 00:02:58 -0700 (PDT) Subject: Re: [RFCv2 00/48] perf tools: Add threads to record command To: Jiri Olsa Cc: Jiri Olsa , Arnaldo Carvalho de Melo , lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Andi Kleen References: <20180913125450.21342-1-jolsa@kernel.org> <20180914082653.GG24224@krava> <20180914082858.GH24224@krava> <71153c79-f0b9-4bf7-7491-202f46c6b5ed@linux.intel.com> <4f63c3d5-2a33-28ed-4e45-086045e9ab50@linux.intel.com> <20180923193001.GD30923@krava> From: Alexey Budankov Organization: Intel Corp. Message-ID: <15042139-23ee-3bb7-4307-276e505a4607@linux.intel.com> Date: Mon, 24 Sep 2018 10:02:56 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180923193001.GD30923@krava> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 23.09.2018 22:30, Jiri Olsa wrote: > On Fri, Sep 21, 2018 at 09:13:08AM +0300, Alexey Budankov wrote: > > SNIP > >> Events: >> cpu/period=P,event=0x3c/Duk;CPU_CLK_UNHALTED.THREAD >> cpu/period=P,umask=0x3/Duk;CPU_CLK_UNHALTED.REF_TSC >> cpu/period=P,event=0xc0/Duk;INST_RETIRED.ANY >> cpu/period=0xaae61,event=0xc2,umask=0x10/uk;UOPS_RETIRED.ALL >> cpu/period=0x11171,event=0xc2,umask=0x20/uk;UOPS_RETIRED.SCALAR_SIMD >> cpu/period=0x11171,event=0xc2,umask=0x40/uk;UOPS_RETIRED.PACKED_SIMD >> >> ================================================= >> >> Command: >> /usr/bin/time /tmp/vtune_amplifier_2019.574715/bin64/perf.thr record --threads=T \ >> -a -N -B -T -R --call-graph dwarf,1024 --user-regs=ip,bp,sp \ >> -e cpu/period=P,event=0x3c/Duk,\ >> cpu/period=P,umask=0x3/Duk,\ >> cpu/period=P,event=0xc0/Duk,\ >> cpu/period=0x30d40,event=0xc2,umask=0x10/uk,\ >> cpu/period=0x4e20,event=0xc2,umask=0x20/uk,\ >> cpu/period=0x4e20,event=0xc2,umask=0x40/uk \ >> --clockid=monotonic_raw -- ./matrix.(icc|gcc) > > hum, so I guess the results suck because of the -a option, > getting extra samples for all the perf record threads > > could you try without the -a? you monitor only user events, > so you're interested only in ./matrix.* samples, right? Ok, trying without -a, in per-process mode. VTune collects as user as kernel mode samples, using /uk modifiers set. The set can be extended to collect in VM host and guests as well. Thanks, Alexey > > thanks, > jirka >