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rcu: Update trace_rcu_dyntick() header comment

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This commit updates the trace_rcu_dyntick() header comment to reflect
events added by commit 4b4f421.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2011-11-22 12:13:03 -08:00 committed by Paul E. McKenney
parent 182dd4b277
commit 045fb9315a
1 changed files with 10 additions and 2 deletions
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12
include/trace/events/rcu.h
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@ -241,8 +241,16 @@ TRACE_EVENT(rcu_fqs,
/*
* Tracepoint for dyntick-idle entry/exit events. These take a string
* as argument: "Start" for entering dyntick-idle mode and "End" for
* leaving it.
* as argument: "Start" for entering dyntick-idle mode, "End" for
* leaving it, "--=" for events moving towards idle, and "++=" for events
* moving away from idle. "Error on entry: not idle task" and "Error on
* exit: not idle task" indicate that a non-idle task is erroneously
* toying with the idle loop.
*
* These events also take a pair of numbers, which indicate the nesting
* depth before and after the event of interest. Note that task-related
* events use the upper bits of each number, while interrupt-related
* events use the lower bits.
*/
TRACE_EVENT(rcu_dyntick,