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| author | Geunsik Lim <geunsik.lim@samsung.com> | 2012-02-08 19:05:37 +0900 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2012-02-13 09:14:48 -0500 |
| commit | cdfb0d30e943f36c8a074a26c3d168a05bdbb372 (patch) | |
| tree | cfabc4b116ad1601a2df8303c3e3a9974b0387df | |
| parent | 1e42e83fde5537266c1d1e7fd8c010b3028d50fc (diff) | |
| download | op-kernel-dev-cdfb0d30e943f36c8a074a26c3d168a05bdbb372.zip op-kernel-dev-cdfb0d30e943f36c8a074a26c3d168a05bdbb372.tar.gz | |
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>
| -rw-r--r-- | Documentation/trace/ftrace.txt | 7 |
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" |
