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-rw-r--r--erts/doc/src/erlang.xml8
1 files changed, 5 insertions, 3 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 239cc63f71..8c438b0bd7 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -4952,7 +4952,7 @@ true</pre>
<tag><marker id="statistics_scheduler_wall_time"><c>scheduler_wall_time</c></marker></tag>
<item>
<p>Returns a list of tuples with
- <c>{SchedulerId, ActiveTime, TotalTime}]</c>, where <c>SchedulerId</c> is an integer id of the scheduler, <c>ActiveTime</c> is
+ <c>{SchedulerId, ActiveTime, TotalTime}</c>, where <c>SchedulerId</c> is an integer id of the scheduler, <c>ActiveTime</c> is
the duration the scheduler has been busy, <c>TotalTime</c> is the total time duration since
<seealso marker="#system_flag_scheduler_wall_time">scheduler_wall_time</seealso>
activation. The time unit is not defined and may be subject to change
@@ -4965,7 +4965,9 @@ true</pre>
scheduling (selecting) a process or port, meaning; executing process
code, executing linked-in-driver or NIF code, executing
built-in-functions or any other runtime handling, garbage collecting
- or handling any other memory management.
+ or handling any other memory management. Note, a scheduler may also be
+ busy even if the operating system has scheduled out the scheduler
+ thread.
</p>
<p>
@@ -4973,7 +4975,7 @@ true</pre>
scheduler_wall_time</seealso> is turned off.
</p>
- <p>The list of scheduler information is unsorted and may come in different order
+ <p>The list of scheduler information is unsorted and may appear in different order
between calls.
</p>
<p>Using <c>scheduler_wall_time</c> to calculate scheduler utilization.</p>