Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932589Ab0BYNbW (ORCPT ); Thu, 25 Feb 2010 08:31:22 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52265 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932519Ab0BYNbR (ORCPT ); Thu, 25 Feb 2010 08:31:17 -0500 From: Masami Hiramatsu Subject: [PATCH -tip v3&10 11/18] perf probe: Update perf probe document To: Ingo Molnar , Frederic Weisbecker , Ananth N Mavinakayanahalli , lkml Cc: systemtap , DLE , Masami Hiramatsu , Ingo Molnar , Frederic Weisbecker , Arnaldo Carvalho de Melo , Peter Zijlstra , Paul Mackerras , Mike Galbraith , "K.Prasad" Date: Thu, 25 Feb 2010 08:35:19 -0500 Message-ID: <20100225133519.6725.58816.stgit@localhost6.localdomain6> In-Reply-To: <20100225133342.6725.26971.stgit@localhost6.localdomain6> References: <20100225133342.6725.26971.stgit@localhost6.localdomain6> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2435 Lines: 84 Update perf-probe.txt to suit to current perf-probe command and add some examples. Signed-off-by: Masami Hiramatsu Cc: Ingo Molnar Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith Cc: K.Prasad --- tools/perf/Documentation/perf-probe.txt | 28 ++++++++++++++++++++++++++-- 1 files changed, 26 insertions(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index 2de3407..5fe63c0 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -41,7 +41,8 @@ OPTIONS -d:: --del=:: - Delete a probe event. + Delete probe events. This accepts glob wildcards('*', '?') and character + classes(e.g. [a-z], [!A-Z]). -l:: --list:: @@ -50,7 +51,11 @@ OPTIONS -L:: --line=:: Show source code lines which can be probed. This needs an argument - which specifies a range of the source code. + which specifies a range of the source code. (see LINE SYNTAX for detail) + +-f:: +--force:: + Forcibly add events with existing name. PROBE SYNTAX ------------ @@ -76,6 +81,25 @@ and 'ALN2' is end line number in the file. It is also possible to specify how many lines to show by using 'NUM'. So, "source.c:100-120" shows lines between 100th to l20th in source.c file. And "func:10+20" shows 20 lines from 10th line of func function. +EXAMPLES +-------- +Display which lines in schedule() can be probed: + + ./perf probe --line schedule + +Add a probe on schedule() function 12th line with recording cpu local variable: + + ./perf probe schedule:12 cpu + or + ./perf probe --add='schedule:12 cpu' + + this will add one or more probes which has the name start with "schedule". + +Delete all probes on schedule(). + + ./perf probe --del='schedule*' + + SEE ALSO -------- linkperf:perf-trace[1], linkperf:perf-record[1] -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/