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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 EFAB4C38A2D for ; Fri, 17 Apr 2020 09:09:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CBE16207FC for ; Fri, 17 Apr 2020 09:09:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="i+qpCyA1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730194AbgDQJJT (ORCPT ); Fri, 17 Apr 2020 05:09:19 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:28502 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730169AbgDQJJR (ORCPT ); Fri, 17 Apr 2020 05:09:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587114556; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2cCOf6XJLp8oVY3ARJuZvdamGJsDNMFwpwD+jmxrCyc=; b=i+qpCyA1wuhio4PheKZiow/KpwSdGwSzeRdUSknjf+g6shwm4c1MChNNAFwvPJwnhaeFpU Vb4VdvftfH8vypCjN0ycfzD/+VyD6gCtFjiKhKMsEZXxgPnqoUSwpYbJ9CpW0TOfdvwmQ+ YtfqdRjTcB2WoUitqMi0ARDhs8eBVa0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-271-H6wdLbRDNBil-5rkjGT0_Q-1; Fri, 17 Apr 2020 05:09:11 -0400 X-MC-Unique: H6wdLbRDNBil-5rkjGT0_Q-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E6B5A107ACC4; Fri, 17 Apr 2020 09:09:07 +0000 (UTC) Received: from krava (unknown [10.40.195.134]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C7C8E100EBA4; Fri, 17 Apr 2020 09:08:12 +0000 (UTC) Date: Fri, 17 Apr 2020 11:08:10 +0200 From: Jiri Olsa To: Ian Rogers Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Namhyung Kim , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Yonghong Song , Andrii Nakryiko , Greg Kroah-Hartman , Thomas Gleixner , Igor Lubashev , Alexey Budankov , Florian Fainelli , Adrian Hunter , Andi Kleen , Jiwei Sun , yuzhoujian , Kan Liang , Jin Yao , Leo Yan , John Garry , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, Stephane Eranian Subject: Re: [PATCH v11 0/4] perf tools: add support for libpfm4 Message-ID: <20200417090810.GA468827@krava> References: <20200416221457.46710-1-irogers@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200416221457.46710-1-irogers@google.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 16, 2020 at 03:14:53PM -0700, Ian Rogers wrote: > This patch links perf with the libpfm4 library if it is available > and NO_LIBPFM4 isn't passed to the build. The libpfm4 library > contains hardware event tables for all processors supported by > perf_events. It is a helper library that helps convert from a > symbolic event name to the event encoding required by the > underlying kernel interface. This library is open-source and > available from: http://perfmon2.sf.net. > > With this patch, it is possible to specify full hardware events > by name. Hardware filters are also supported. Events must be > specified via the --pfm-events and not -e option. Both options > are active at the same time and it is possible to mix and match: > > $ perf stat --pfm-events inst_retired:any_p:c=1:i -e cycles .... > > v11 reformats the perf list output to be: > List of pre-defined events (to be used in -e): > > branch-instructions OR branches [Hardware event] > branch-misses [Hardware event] > ... > > List of pre-defined events (to be used in --pfm-events): > > ix86arch: > UNHALTED_CORE_CYCLES > [count core clock cycles whenever the clock signal on the specific core is running (not halted)] > INSTRUCTION_RETIRED > [count the number of instructions at retirement. For instructions that consists of multiple mic> > ... > skx: > UNHALTED_CORE_CYCLES > [Count core clock cycles whenever the clock signal on the specific core is running (not halted)] > ... > BACLEARS > [Branch re-steered] > BACLEARS:ANY > [Number of front-end re-steers due to BPU misprediction] > ... Acked-by: Jiri Olsa thanks, jirka