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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 E7457C5ACD6 for ; Wed, 18 Mar 2020 10:23:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BEC6720775 for ; Wed, 18 Mar 2020 10:23:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NssB5sto" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727600AbgCRKXU (ORCPT ); Wed, 18 Mar 2020 06:23:20 -0400 Received: from us-smtp-delivery-74.mimecast.com ([216.205.24.74]:26304 "EHLO us-smtp-delivery-74.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727566AbgCRKXS (ORCPT ); Wed, 18 Mar 2020 06:23:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584526996; 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=eQbwZedV0nkhvYUGX8gyCaRA65cSElbfrTc3COHZe40=; b=NssB5stoXkLQkgz2JhASD4iASesdHOYCptlWu6GZM4mbf4uH+c4LfOKGNrdLwkIkebXcBl 6z1XPsNYGVdNyvSd4nmURU+hHZxovg2v0dFXqo5eCZq4r0GN4GmRcoaNDZ7DJgxBvcnsEm BVLy5i3ZxKoSs6NU3jwr2OYmPFN8I9M= 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-127-GKAGB1blMR6bANhmUOdkxw-1; Wed, 18 Mar 2020 06:23:12 -0400 X-MC-Unique: GKAGB1blMR6bANhmUOdkxw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3CBAF800D54; Wed, 18 Mar 2020 10:23:09 +0000 (UTC) Received: from krava (unknown [10.40.195.82]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AD4A25C1BB; Wed, 18 Mar 2020 10:22:58 +0000 (UTC) Date: Wed, 18 Mar 2020 11:22:54 +0100 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 v3] perf tools: add support for libpfm4 Message-ID: <20200318102254.GC821557@krava> References: <20200311213613.210749-1-irogers@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200311213613.210749-1-irogers@google.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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