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authorGeunsik Lim <geunsik.lim@samsung.com>2012-02-08 19:05:37 +0900
committerSteven Rostedt <rostedt@goodmis.org>2012-02-13 09:14:48 -0500
commitcdfb0d30e943f36c8a074a26c3d168a05bdbb372 (patch)
treecfabc4b116ad1601a2df8303c3e3a9974b0387df /Documentation
parent1e42e83fde5537266c1d1e7fd8c010b3028d50fc (diff)
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ftrace: Append wakeup_rt description of ftrace doc
Append and update the description about wakeup/wakeup_rt usage. Link: http://lkml.kernel.org/r/1328695537-15081-2-git-send-email-geunsik.lim@gmail.com Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/trace/ftrace.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 1ebc24c..6f51fed 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -226,6 +226,13 @@ Here is the list of current tracers that may be configured.
Traces and records the max latency that it takes for
the highest priority task to get scheduled after
it has been woken up.
+ Traces all tasks as an average developer would expect.
+
+ "wakeup_rt"
+
+ Traces and records the max latency that it takes for just
+ RT tasks (as the current "wakeup" does). This is useful
+ for those interested in wake up timings of RT tasks.
"hw-branch-tracer"
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