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[PATCH 5/5] Documentation: ftrace: module globbing usage

From Dmitry Safonov <0x7f454c46@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 5/5] Documentation: ftrace: module globbing usage
Date 2015-09-29 18:50 +0200
Message-ID <qe6gi-3Gy-25@gated-at.bofh.it> (permalink)
References <qe6gh-3Gy-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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Thread

[PATCH 1/5] ftrace: remove redundant strsep in mod_callback Dmitry Safonov <0x7f454c46@gmail.com> - 2015-09-29 18:50 +0200
  [PATCH 3/5] ftrace: introduce ftrace_glob structure Dmitry Safonov <0x7f454c46@gmail.com> - 2015-09-29 18:50 +0200
  [PATCH 5/5] Documentation: ftrace: module globbing usage Dmitry Safonov <0x7f454c46@gmail.com> - 2015-09-29 18:50 +0200
  [PATCH 2/5] ftrace: clarify code for mod command Dmitry Safonov <0x7f454c46@gmail.com> - 2015-09-29 18:50 +0200
  [PATCH 4/5] ftrace: add module globbing Dmitry Safonov <0x7f454c46@gmail.com> - 2015-09-29 18:50 +0200
  Re: [PATCH 1/5] ftrace: remove redundant strsep in mod_callback Steven Rostedt <rostedt@goodmis.org> - 2015-09-29 21:20 +0200
    Re: [PATCH 1/5] ftrace: remove redundant strsep in mod_callback Дмитрий Сафонов   <0x7f454c46@gmail.com> - 2015-10-05 17:20 +0200

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