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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 E2652C433E2 for ; Fri, 11 Sep 2020 17:20:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1915221E7 for ; Fri, 11 Sep 2020 17:20:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599844859; bh=2KyM0zyTyAF7Q0cHjuH0ooZbkjR8Hm3BGkhz+dWheOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wJ2sPZM+ATPQ5zCgVlpewh0ogC1Kd7KYcy5zp6LQ1TklK279XRR6lpl6Dzer6LoFg JGljZ1nyGY9QIlZF280sVWCVw2i/0nHCpwd0dRDOyghFf0nfRkgperhQQoNjrHaqbT PuYdRYtgEnIP/I1+5aKnluCrjn6e9UYRQ4q7sU5g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726377AbgIKRUt (ORCPT ); Fri, 11 Sep 2020 13:20:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:53998 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726156AbgIKNBU (ORCPT ); Fri, 11 Sep 2020 09:01:20 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4144622273; Fri, 11 Sep 2020 12:56:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599829010; bh=2KyM0zyTyAF7Q0cHjuH0ooZbkjR8Hm3BGkhz+dWheOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f9FhIvEGqm/BJhJGeQkC3q3JLdvUKqdMV1MdIz8QdU3des/1ARC8bOv2PfRrQSnQo yRU+ue9TImGLpRQ0AOUdIyFNgGFEk205Pc/73ehEn1INGbO6mIHJHl9nXua80GTrzw 56Nqe3uW3D1KqOckV9zbMO3977yqKw90NLgnx/Tk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kim Phillips , Adrian Hunter , Alexander Shishkin , Alexey Budankov , Ian Rogers , Jin Yao , Jiri Olsa , Mark Rutland , Namhyung Kim , Paul Clarke , Peter Zijlstra , Stephane Eranian , Tony Jones , Arnaldo Carvalho de Melo Subject: [PATCH 4.9 03/71] perf record/stat: Explicitly call out event modifiers in the documentation Date: Fri, 11 Sep 2020 14:45:47 +0200 Message-Id: <20200911122505.108443345@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200911122504.928931589@linuxfoundation.org> References: <20200911122504.928931589@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kim Phillips commit e48a73a312ebf19cc3d72aa74985db25c30757c1 upstream. Event modifiers are not mentioned in the perf record or perf stat manpages. Add them to orient new users more effectively by pointing them to the perf list manpage for details. Fixes: 2055fdaf8703 ("perf list: Document precise event sampling for AMD IBS") Signed-off-by: Kim Phillips Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Ian Rogers Cc: Jin Yao Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Paul Clarke Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Tony Jones Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20200901215853.276234-1-kim.phillips@amd.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- tools/perf/Documentation/perf-record.txt | 4 ++++ tools/perf/Documentation/perf-stat.txt | 4 ++++ 2 files changed, 8 insertions(+) --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -33,6 +33,10 @@ OPTIONS - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolic or raw PMU event followed by an optional colon + and a list of event modifiers, e.g., cpu-cycles:p. See the + linkperf:perf-list[1] man page for details on event modifiers. + - a symbolically formed PMU event like 'pmu/param1=0x3,param2/' where 'param1', 'param2', etc are defined as formats for the PMU in /sys/bus/event_source/devices//format/*. --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -39,6 +39,10 @@ report:: - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolic or raw PMU event followed by an optional colon + and a list of event modifiers, e.g., cpu-cycles:p. See the + linkperf:perf-list[1] man page for details on event modifiers. + - a symbolically formed event like 'pmu/param1=0x3,param2/' where param1 and param2 are defined as formats for the PMU in /sys/bus/event_sources/devices//format/*