From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756153Ab0JODNa (ORCPT ); Thu, 14 Oct 2010 23:13:30 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:59199 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756119Ab0JODN0 (ORCPT ); Thu, 14 Oct 2010 23:13:26 -0400 X-Sieve: CMU Sieve 2.3 X-Spam-TestScore: ALL_TRUSTED=-1.44,DNS_FROM_RFC_ABUSE=0.479 X-Spam-TokenSummary: Bayes not run. X-Spam-Relay-Country: From: Sonny Rao To: linux-kernel@vger.kernel.org Cc: Sonny Rao , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Robert Richter Subject: [PATCH] perf, document event modifiers Date: Thu, 14 Oct 2010 20:51:00 -0500 Message-Id: <1287107460-12112-1-git-send-email-sonnyrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.5.6.5 X-Xagent-From: sonnyrao@linux.vnet.ibm.com X-Xagent-To: sonnyrao@linux.vnet.ibm.com X-Xagent-Gateway: vmsdvm4.vnet.ibm.com (XAGENTU at VMSDVM4) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Existing documentation doesn't discuss event modifiers, so add a description of what's currently possible to the documentation of perf-list. Signed-off-by: Sonny Rao --- 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, -- 1.5.6.5