From cdfb0d30e943f36c8a074a26c3d168a05bdbb372 Mon Sep 17 00:00:00 2001 From: Geunsik Lim Date: Wed, 8 Feb 2012 19:05:37 +0900 Subject: [PATCH] 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 Signed-off-by: Geunsik Lim Signed-off-by: Steven Rostedt --- Documentation/trace/ftrace.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt index 1ebc24cf9a55..6f51fed45f2d 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" -- 2.20.1