From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755514AbaLVTqE (ORCPT ); Mon, 22 Dec 2014 14:46:04 -0500 Received: from e37.co.us.ibm.com ([32.97.110.158]:47420 "EHLO e37.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754869AbaLVTqB (ORCPT ); Mon, 22 Dec 2014 14:46:01 -0500 Date: Mon, 22 Dec 2014 11:45:27 -0800 From: Sukadev Bhattiprolu To: Jiri Olsa Cc: Arnaldo Carvalho de Melo , Michael Ellerman , Paul Mackerras , dev@codyps.com, peterz@infradead.org, hbabu@us.ibm.com, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v6 4/4] tools/perf: Document parameterized and symbolic events Message-ID: <20141222194527.GA23294@us.ibm.com> References: <1419234567-22784-1-git-send-email-sukadev@linux.vnet.ibm.com> <1419234567-22784-5-git-send-email-sukadev@linux.vnet.ibm.com> <20141222144315.GC29096@krava.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141222144315.GC29096@krava.brq.redhat.com> X-Operating-System: Linux 2.0.32 on an i486 User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14122219-0025-0000-0000-000007276681 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jiri Olsa [jolsa@redhat.com] wrote: | > + values for each of 'config', 'config1' and 'config2' are defined by | > + corresponding entries in /sys/bus/event_sources/devices//format/* | > + param1 and param2 are defined as formats for the PMU in: | > + /sys/bus/event_sources/devices//format/* | | ^^^^ misaligned tab Thanks, Fixed the typos and alignment below. --- >>From 1fdb5012081903172c11a41f9edb0d51525ba500 Mon Sep 17 00:00:00 2001 From: Cody P Schafer Date: Wed, 24 Sep 2014 12:27:23 -0700 Subject: [PATCH v6 4/4] tools/perf: Document parameterized and symbolic events Changelog[v6]: - [Sukadev Bhattiprolu]: Update documentation of perf-list and perf-record; Added documentation for perf-stat. - [Jiri Olsa] Fix some typos/formatting CC: Haren Myneni CC: Cody P Schafer Signed-off-by: Cody P Schafer Signed-off-by: Sukadev Bhattiprolu --- tools/perf/Documentation/perf-list.txt | 13 +++++++++++++ tools/perf/Documentation/perf-record.txt | 12 ++++++++++++ tools/perf/Documentation/perf-stat.txt | 20 ++++++++++++++++---- 3 files changed, 41 insertions(+), 4 deletions(-) diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt index cbb4f74..3e2aec9 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -89,6 +89,19 @@ raw encoding of 0x1A8 can be used: You should refer to the processor specific documentation for getting these details. Some of them are referenced in the SEE ALSO section below. +PARAMETERIZED EVENTS +-------------------- + +Some pmu events listed by 'perf-list' will be displayed with '?' in them. For +example: + + hv_gpci/dtbp_ptitc,phys_processor_idx=?/ + +This means that when provided as an event, a value for '?' must +also be supplied. For example: + + perf stat -C 0 -e 'hv_gpci/dtbp_ptitc,phys_processor_idx=0x2/' ... + OPTIONS ------- diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index af9a54e..7d8df2e 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -33,6 +33,18 @@ OPTIONS - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - 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_sources/devices//format/*. + + - a symbolically formed event like 'pmu/config=M,config1=N,config3=K/' + + where M, N, K are numbers (in decimal, hex, octal format). Acceptable + values for each of 'config', 'config1' and 'config2' are defined by + corresponding entries in /sys/bus/event_sources/devices//format/* + param1 and param2 are defined as formats for the PMU in: + /sys/bus/event_sources/devices//format/* + - a hardware breakpoint event in the form of '\mem:addr[:access]' where addr is the address in memory you want to break in. Access is the memory access type (read, write, execute) it can diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 29ee857..04e150d 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -25,10 +25,22 @@ OPTIONS -e:: --event=:: - Select the PMU event. Selection can be a symbolic event name - (use 'perf list' to list all events) or a raw PMU - event (eventsel+umask) in the form of rNNN where NNN is a - hexadecimal event descriptor. + Select the PMU event. Selection can be: + + - a symbolic event name (use 'perf list' to list all events) + + - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a + hexadecimal event descriptor. + + - 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/* + + - a symbolically formed event like 'pmu/config=M,config1=N,config2=K/' + where M, N, K are numbers (in decimal, hex, octal format). + Acceptable values for each of 'config', 'config1' and 'config2' + parameters are defined by corresponding entries in + /sys/bus/event_sources/devices//format/* -i:: --no-inherit:: -- 1.8.3.1