From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756879Ab0JXJni (ORCPT ); Sun, 24 Oct 2010 05:43:38 -0400 Received: from hera.kernel.org ([140.211.167.34]:56007 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755256Ab0JXJng (ORCPT ); Sun, 24 Oct 2010 05:43:36 -0400 Date: Sun, 24 Oct 2010 09:42:58 GMT From: tip-bot for Sonny Rao Cc: acme@redhat.com, linux-kernel@vger.kernel.org, paulus@samba.org, hpa@zytor.com, mingo@redhat.com, a.p.zijlstra@chello.nl, sonnyrao@linux.vnet.ibm.com, robert.richter@amd.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, paulus@samba.org, linux-kernel@vger.kernel.org, acme@redhat.com, robert.richter@amd.com, a.p.zijlstra@chello.nl, tglx@linutronix.de, sonnyrao@linux.vnet.ibm.com, mingo@elte.hu In-Reply-To: <1287107460-12112-1-git-send-email-sonnyrao@linux.vnet.ibm.com> References: <1287107460-12112-1-git-send-email-sonnyrao@linux.vnet.ibm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Document event modifiers Message-ID: Git-Commit-ID: ffec516976f64b4e3e59ba1bb8a5020008cc678a X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Sun, 24 Oct 2010 09:43:00 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: ffec516976f64b4e3e59ba1bb8a5020008cc678a Gitweb: http://git.kernel.org/tip/ffec516976f64b4e3e59ba1bb8a5020008cc678a Author: Sonny Rao AuthorDate: Thu, 14 Oct 2010 20:51:00 -0500 Committer: Arnaldo Carvalho de Melo CommitDate: Sat, 23 Oct 2010 15:31:20 -0200 perf tools: Document event modifiers Existing documentation doesn't discuss event modifiers, so add a description of what's currently possible to the documentation of perf-list. Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Robert Richter LKML-Reference: <1287107460-12112-1-git-send-email-sonnyrao@linux.vnet.ibm.com> Signed-off-by: Sonny Rao Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-list.txt | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt index 43e3dd2..399751b 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -15,6 +15,23 @@ DESCRIPTION This command displays the symbolic event types which can be selected in the various perf commands with the -e option. +EVENT MODIFIERS +--------------- + +Events can optionally have a modifer by appending a colon and one or +more modifiers. Modifiers allow the user to restrict when events are +counted with 'u' for user-space, 'k' for kernel, 'h' for hypervisor. + +The 'p' modifier can be used for specifying how precise the instruction +address should be. The 'p' modifier is currently only implemented for +Intel PEBS and can be specified multiple times: + 0 - SAMPLE_IP can have arbitrary skid + 1 - SAMPLE_IP must have constant skid + 2 - SAMPLE_IP requested to have 0 skid + 3 - SAMPLE_IP must have 0 skid + +The PEBS implementation now supports up to 2. + RAW HARDWARE EVENT DESCRIPTOR ----------------------------- Even when an event is not available in a symbolic form within perf right now,