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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 A1DABC43381 for ; Fri, 15 Mar 2019 13:34:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A68820854 for ; Fri, 15 Mar 2019 13:34:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729140AbfCONet (ORCPT ); Fri, 15 Mar 2019 09:34:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43504 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727705AbfCONet (ORCPT ); Fri, 15 Mar 2019 09:34:49 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 49DFA3002DC6; Fri, 15 Mar 2019 13:34:49 +0000 (UTC) Received: from krava (unknown [10.43.17.124]) by smtp.corp.redhat.com (Postfix) with SMTP id E749A61369; Fri, 15 Mar 2019 13:34:44 +0000 (UTC) Date: Fri, 15 Mar 2019 14:34:43 +0100 From: Jiri Olsa To: Jin Yao Cc: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com Subject: Re: [PATCH v1 0/3] perf: Support a new coresum event qualifier Message-ID: <20190315133443.GA5200@krava> References: <1552665856-27741-1-git-send-email-yao.jin@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1552665856-27741-1-git-send-email-yao.jin@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Fri, 15 Mar 2019 13:34:49 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Mar 16, 2019 at 12:04:13AM +0800, Jin Yao wrote: > The coresum event qualifier which sums up the event counts for both > hardware threads in a core. For example, > > perf stat -e cpu/event=0,umask=0x3,coresum=1/,cpu/event=0,umask=0x3/ > > In this example, we count the event 'ref-cycles' per-core and per-CPU in > one perf stat command-line. > > We can already support per-core counting with --per-core, but it's > often useful to do this together with other metrics that are collected > per CPU (per hardware thread). So this patch series supports this > per-core counting on a event level. seems useful, but perhaps we should follow the --per-core option we already have and call it 'per-core' instead of coresum jirka > > Jin Yao (3): > perf: Add a coresum event qualifier > perf stat: Support coresum event qualifier > perf test: Add a simple test for term coresum > > tools/perf/Documentation/perf-stat.txt | 4 ++ > tools/perf/builtin-stat.c | 21 +++++++ > tools/perf/tests/parse-events.c | 10 ++- > tools/perf/util/evsel.c | 2 + > tools/perf/util/evsel.h | 3 + > tools/perf/util/parse-events.c | 27 +++++++++ > tools/perf/util/parse-events.h | 1 + > tools/perf/util/parse-events.l | 1 + > tools/perf/util/stat-display.c | 108 ++++++++++++++++++++++++--------- > tools/perf/util/stat.c | 8 ++- > 10 files changed, 151 insertions(+), 34 deletions(-) > > -- > 2.7.4 >