From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933682Ab3HHB44 (ORCPT ); Wed, 7 Aug 2013 21:56:56 -0400 Received: from mail-pa0-f41.google.com ([209.85.220.41]:38241 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932294Ab3HHB4v (ORCPT ); Wed, 7 Aug 2013 21:56:51 -0400 From: David Ahern To: acme@ghostprotocols.net, linux-kernel@vger.kernel.org Cc: David Ahern , Ingo Molnar , Frederic Weisbecker , Peter Zijlstra , Jiri Olsa , Namhyung Kim , Xiao Guangrong , Runzhen Wang Subject: [PATCH 2/2] perf kvm: Update documentation with live command Date: Wed, 7 Aug 2013 21:56:39 -0400 Message-Id: <1375926999-75129-2-git-send-email-dsahern@gmail.com> X-Mailer: git-send-email 1.7.10.1 In-Reply-To: <1375926999-75129-1-git-send-email-dsahern@gmail.com> References: <1375926999-75129-1-git-send-email-dsahern@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update perf-kvm documentation with new live subcommand. Add -p/--pid option for perf-kvm-stat-report as well. Signed-off-by: David Ahern Cc: Arnaldo Carvalho de Melo Cc: Ingo Molnar Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Namhyung Kim Cc: Xiao Guangrong Cc: Runzhen Wang --- tools/perf/Documentation/perf-kvm.txt | 46 +++++++++++++++++++++++++++++++-- 1 file changed, 44 insertions(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt index 326f2cb..ac84db2 100644 --- a/tools/perf/Documentation/perf-kvm.txt +++ b/tools/perf/Documentation/perf-kvm.txt @@ -13,6 +13,7 @@ SYNOPSIS {top|record|report|diff|buildid-list} 'perf kvm' [--host] [--guest] [--guestkallsyms= --guestmodules= | --guestvmlinux=] {top|record|report|diff|buildid-list|stat} +'perf kvm stat [record|report|live] [] DESCRIPTION ----------- @@ -50,6 +51,10 @@ There are a couple of variants of perf kvm: 'perf kvm stat report' reports statistical data which includes events handled time, samples, and so on. + 'perf kvm stat live' reports statistical data in a live mode (similar to + record + report but with statistical data updated live at a given display + rate). + OPTIONS ------- -i:: @@ -85,13 +90,50 @@ STAT REPORT OPTIONS --vcpu=:: analyze events which occures on this vcpu. (default: all vcpus) ---events=:: - events to be analyzed. Possible values: vmexit, mmio, ioport. +--event=:: + event to be analyzed. Possible values: vmexit, mmio, ioport. (default: vmexit) -k:: --key=:: Sorting key. Possible values: sample (default, sort by samples number), time (sort by average time). +-p:: +--pid=:: + Analyze events only for given process ID(s) (comma separated list). + +STAT LIVE OPTIONS +----------------- +-d:: +--display:: + Time in seconds between display updates + +-m:: +--mmap-pages=:: + Number of mmap data pages. Must be a power of two. + +-a:: +--all-cpus:: + System-wide collection from all CPUs. + +-p:: +--pid=:: + Analyze events only for given process ID(s) (comma separated list). + +--vcpu=:: + analyze events which occures on this vcpu. (default: all vcpus) + + +--event=:: + event to be analyzed. Possible values: vmexit, mmio, ioport. + (default: vmexit) + +-k:: +--key=:: + Sorting key. Possible values: sample (default, sort by samples + number), time (sort by average time). + +--duration=:: + Show events other than HLT that take longer than duration usecs. SEE ALSO -------- -- 1.7.10.1