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Message-Id: <20110920120507.25326.68120.sendpatchset@srdronam.in.ibm.com>
Date: Tue, 20 Sep 2011 17:35:07 +0530
From: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>
Cc: Steven Rostedt <rostedt@...dmis.org>,
Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
Linux-mm <linux-mm@...ck.org>,
Arnaldo Carvalho de Melo <acme@...radead.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andi Kleen <andi@...stfloor.org>,
Hugh Dickins <hughd@...gle.com>,
Christoph Hellwig <hch@...radead.org>,
Jonathan Corbet <corbet@....net>,
Thomas Gleixner <tglx@...utronix.de>,
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
Oleg Nesterov <oleg@...hat.com>,
LKML <linux-kernel@...r.kernel.org>,
Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
Roland McGrath <roland@...k.frob.com>,
Ananth N Mavinakayanahalli <ananth@...ibm.com>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v5 3.1.0-rc4-tip 25/26] perf: Documentation for perf uprobes
Modify perf-probe.txt to include uprobe documentation
Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
---
tools/perf/Documentation/perf-probe.txt | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 800775e..3c98a54 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -78,6 +78,8 @@ OPTIONS
-F::
--funcs::
Show available functions in given module or kernel.
+ With -x/--exec, can also list functions in a user space executable
+ / shared library.
--filter=FILTER::
(Only for --vars and --funcs) Set filter. FILTER is a combination of glob
@@ -98,6 +100,11 @@ OPTIONS
--max-probes::
Set the maximum number of probe points for an event. Default is 128.
+-x::
+--exec=PATH::
+ Specify path to the executable or shared library file for user
+ space tracing. Can also be used with --funcs option.
+
PROBE SYNTAX
------------
Probe points are defined by following syntax.
@@ -182,6 +189,13 @@ Delete all probes on schedule().
./perf probe --del='schedule*'
+Add probes at zfree() function on /bin/zsh
+
+ ./perf probe -x /bin/zsh zfree
+
+Add probes at malloc() function on libc
+
+ ./perf probe -x /lib/libc.so.6 malloc
SEE ALSO
--------
--
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