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=-11.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 3B38AC4332B for ; Thu, 19 Mar 2020 04:15:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F8A2206D7 for ; Thu, 19 Mar 2020 04:15:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="CwG+gh5s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726666AbgCSEPc (ORCPT ); Thu, 19 Mar 2020 00:15:32 -0400 Received: from mail-qk1-f193.google.com ([209.85.222.193]:46860 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726589AbgCSEPa (ORCPT ); Thu, 19 Mar 2020 00:15:30 -0400 Received: by mail-qk1-f193.google.com with SMTP id f28so1129425qkk.13 for ; Wed, 18 Mar 2020 21:15:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ACBUKYFz56rYSMbOM+EDRADHwdlHl87he6dVYm6MK9o=; b=CwG+gh5sXV9wy+tdYlPTnwWLm7qgqOCz3P6COc+q7457NMW2P3ILqA9s/+6QWv+8vy 8poFHRcQ2iyu2WQoT18uwC8irch5rPRHfJfOodCtaENVCtj6wEn968TulTeVlJv+TbHa lSCnkp95AKtM8YcmZIgPfhV9Ao1mY69toKjri1Jvi/ZmATilfCNSDhkj4YI5/KwutmEx RqV0jUabNY0F8wmHlO0NXWuLke34ieFdeKAnbh5MQqOM67EM1lw8qUc5GpJ0NEEICGhy o2slQW9GqFNFy49gCEo1pT+d3GSIbd1sz30KuWJzFArsch87jxN8L7VJ0JIh/rAjUCU1 CO1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ACBUKYFz56rYSMbOM+EDRADHwdlHl87he6dVYm6MK9o=; b=J/MJ8ZhaiYQfDLzB4fm53aBeMkxOrg82C2smqSosl2FepB6ttgv+jv8OQjj1nWTQy8 n6FHGHQoKFOEAEZ2VFWNhcYll2gaP3O4uf9w0SLfTnlgatB5riMF1WKazI0QpF7QlsLj O/5e1jCgKqLgxtJIlkSbEkv3bKbr2mRWpIf3Bh2myDO1PnZYPAH8SjEYLjkpIJaZBZJ/ H8yQSLRtVoUvmtXjb780JzI0+PDpPFQAehZNYOdZiPfBuN7A2VhEZGJRIL48s8P5VC5X EnEKg22or+a0XKWKSp7SZKI/mJmGd+BUD8fC2HTjQzuCW5tUAtyoPBRUGnlm+GIHgFK4 UCIg== X-Gm-Message-State: ANhLgQ082iwVmyz/s4ViJDVafkE50BYLj1STE3J4ARNqAGtiqSqc7za5 VkFb1KrDF97iFAycwzW7fgonV7L7T/7FXEs5GRzZGg== X-Google-Smtp-Source: ADFU+vudYeq0nk20DXy4ZGbabaOUyEUw0/1aXSBXmC1cJBFh0dfvNlUlDrZx/nKddUUhI80erV587MhYrbNlUcW6c2Q= X-Received: by 2002:a25:bb89:: with SMTP id y9mr1675045ybg.324.1584591327469; Wed, 18 Mar 2020 21:15:27 -0700 (PDT) MIME-Version: 1.0 References: <20200311213613.210749-1-irogers@google.com> <20200318102254.GC821557@krava> In-Reply-To: <20200318102254.GC821557@krava> From: Ian Rogers Date: Wed, 18 Mar 2020 21:15:16 -0700 Message-ID: Subject: Re: [PATCH v3] perf tools: add support for libpfm4 To: Jiri Olsa 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 , LKML , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, Stephane Eranian Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 18, 2020 at 3:23 AM Jiri Olsa wrote: > > On Wed, Mar 11, 2020 at 02:36:13PM -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 .... > > > > v3 is against acme/perf/core removes a diagnostic warning > > v2 of this patch makes the --pfm-events man page documentation > > conditional on libpfm4 behing configured. It tidies some of the > > documentation and adds the feature test missed in the v1 patch. > > > > Author: Stephane Eranian > > Signed-off-by: Ian Rogers > > hi, > is this the latest version? I can't apply it on Arnaldo's perf/core > > jirka Sorry, I'd failed to re-add the feature test when I shifted branches. The complete patch should be here: https://lkml.org/lkml/2020/3/19/4 Thanks, Ian