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From: Dmitry Safonov <0x7f454c46@gmail.com>
To: rostedt@goodmis.org
Cc: mingo@redhat.com, corbet@lwn.net, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Dmitry Safonov <0x7f454c46@gmail.com>
Subject: [PATCH 5/5] Documentation: ftrace: module globbing usage
Date: Tue, 29 Sep 2015 19:46:16 +0300	[thread overview]
Message-ID: <1443545176-3215-5-git-send-email-0x7f454c46@gmail.com> (raw)
In-Reply-To: <1443545176-3215-1-git-send-email-0x7f454c46@gmail.com>

Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
---
 Documentation/trace/ftrace.txt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index ef621d3..db18362 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -2437,6 +2437,23 @@ The following commands are supported:
 
    echo '!writeback*:mod:ext3' >> set_ftrace_filter
 
+  Mod command supports module globbing. Disable tracing for all
+  functions except a specific module:
+
+   echo '!*:mod:!ext3' >> set_ftrace_filter
+
+  Disable tracing for all modules, but still trace kernel:
+
+   echo '!*:mod:*' >> set_ftrace_filter
+
+  Enable filter only for kernel:
+
+   echo '*write*:mod:!*' >> set_ftrace_filter
+
+  Enable filter for module globbing:
+
+   echo '*write*:mod:*snd*' >> set_ftrace_filter
+
 - traceon/traceoff
   These commands turn tracing on and off when the specified
   functions are hit. The parameter determines how many times the
-- 
2.5.3


  parent reply	other threads:[~2015-09-29 16:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-29 16:46 [PATCH 1/5] ftrace: remove redundant strsep in mod_callback Dmitry Safonov
2015-09-29 16:46 ` [PATCH 2/5] ftrace: clarify code for mod command Dmitry Safonov
2015-09-29 16:46 ` [PATCH 3/5] ftrace: introduce ftrace_glob structure Dmitry Safonov
2015-10-16 15:05   ` Steven Rostedt
2015-10-16 22:32     ` Dmitry Safonov
2015-09-29 16:46 ` [PATCH 4/5] ftrace: add module globbing Dmitry Safonov
2015-09-29 16:46 ` Dmitry Safonov [this message]
2015-09-29 19:11 ` [PATCH 1/5] ftrace: remove redundant strsep in mod_callback Steven Rostedt
2015-10-05 15:16   ` Дмитрий Сафонов
2015-10-14  0:48 ` Steven Rostedt
2015-10-16  8:52   ` Dmitry Safonov

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