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ftrace: Append wakeup_rt description of ftrace doc

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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>
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Geunsik Lim 2012-02-08 19:05:37 +09:00 committed by Steven Rostedt
parent 1e42e83fde
commit cdfb0d30e9
1 changed files with 7 additions and 0 deletions
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Documentation/trace/ftrace.txt
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@ -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"