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 2F31AC2D0EF for ; Thu, 16 Apr 2020 09:55:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0AA682078B for ; Thu, 16 Apr 2020 09:55:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZNck3riq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2504428AbgDPJz0 (ORCPT ); Thu, 16 Apr 2020 05:55:26 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:32348 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2504147AbgDPJzT (ORCPT ); Thu, 16 Apr 2020 05:55:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587030918; 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=uzkUV3nQdx/hoYoZQDt470t93oI86X5pG7zK+r/DONM=; b=ZNck3riqJ74S2YXFcz6g2MRgHiXBoLAChjgWzNxV1ryUutUxHmACkIeMQHOI2uRA5E07Bz 5md455D1e6+/Vy1ojlHROIuUqqJvrfqMA47ELsyiSWtK1IfffptG4zAgmapKH8lo7ZH7zL QyO51XTwTItHaO70QHehAZdPBUSgP44= 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-176-zDLWURH8Neyn4RNTbgME8g-1; Thu, 16 Apr 2020 05:55:14 -0400 X-MC-Unique: zDLWURH8Neyn4RNTbgME8g-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 09C6013FE; Thu, 16 Apr 2020 09:55:11 +0000 (UTC) Received: from krava (unknown [10.40.195.119]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B4FC9118DF1; Thu, 16 Apr 2020 09:55:04 +0000 (UTC) Date: Thu, 16 Apr 2020 11:55:01 +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 v9 4/4] perf tools: add support for libpfm4 Message-ID: <20200416095501.GC369437@krava> References: <20200416063551.47637-1-irogers@google.com> <20200416063551.47637-5-irogers@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200416063551.47637-5-irogers@google.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 15, 2020 at 11:35:51PM -0700, Ian Rogers wrote: > From: Stephane Eranian > > 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 .... > > Signed-off-by: Stephane Eranian > Reviewed-by: Ian Rogers # perf list ... perf_raw pfm-events r0000 [perf_events raw event syntax: r[0-9a-fA-F]+] skl pfm-events UNHALTED_CORE_CYCLES [Count core clock cycles whenever the clock signal on the specific core is running (not halted)] UNHALTED_REFERENCE_CYCLES please add ':' behind the '* pfm-events' label jirka From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Olsa Subject: Re: [PATCH v9 4/4] perf tools: add support for libpfm4 Date: Thu, 16 Apr 2020 11:55:01 +0200 Message-ID: <20200416095501.GC369437@krava> References: <20200416063551.47637-1-irogers@google.com> <20200416063551.47637-5-irogers@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20200416063551.47637-5-irogers@google.com> Sender: netdev-owner@vger.kernel.org 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 , yuzhouji List-Id: linux-perf-users.vger.kernel.org On Wed, Apr 15, 2020 at 11:35:51PM -0700, Ian Rogers wrote: > From: Stephane Eranian > > 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 .... > > Signed-off-by: Stephane Eranian > Reviewed-by: Ian Rogers # perf list ... perf_raw pfm-events r0000 [perf_events raw event syntax: r[0-9a-fA-F]+] skl pfm-events UNHALTED_CORE_CYCLES [Count core clock cycles whenever the clock signal on the specific core is running (not halted)] UNHALTED_REFERENCE_CYCLES please add ':' behind the '* pfm-events' label jirka