diff options
Diffstat (limited to 'erts/doc/src/erlang.xml')
| -rw-r--r-- | erts/doc/src/erlang.xml | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index c25e05c6a0..4672c91a8f 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -4406,6 +4406,25 @@ true</pre> </func> <func> <name name="statistics" arity="1" clause_i="8"/> + <fsummary>Information about each schedulers work time</fsummary> + <desc> + <p><marker id="statistics_scheduler_wall_time"></marker> + Returns time lapsed (<c><anno>Scheduler_Total_Time</anno></c>) and time spent working + (<c><anno>Scheduler_Worked_Time</anno></c>) for each scheduler since + the system flag <seealso marker="#system_flag_scheduler_wall_time"><c>scheduler_wall_time</c></seealso> + was set to <c>true</c>.</p> + <p> + Returns <c>undefined</c> if the system flag <seealso marker="#system_flag_scheduler_wall_time"> + <c>scheduler_wall_time</c></seealso> is set to <c>false</c>. + </p> + <p>The list of scheduler information is unsorted and may come in different order + between calls. The time unit is undefined and may be changed and should only be used + to calculate relative utilization. + </p> + </desc> + </func> + <func> + <name name="statistics" arity="1" clause_i="9"/> <fsummary>Information about wall-clock</fsummary> <desc> <p><c>wall_clock</c> can be used in the same manner as @@ -4783,6 +4802,16 @@ true</pre> </func> <func> <name name="system_flag" arity="2" clause_i="8"/> + <fsummary>Set system flag scheduler_wall_time</fsummary> + <desc><p><marker id="system_flag_scheduler_wall_time"></marker> + Turns on/off scheduler wall time measurements. </p> + <p>For more information see, + <seealso marker="#statistics_scheduler_wall_time">erlang:statistics(scheduler_wall_time)</seealso>. + </p> + </desc> + </func> + <func> + <name name="system_flag" arity="2" clause_i="9"/> <fsummary>Set system flag schedulers_online</fsummary> <desc> <p><marker id="system_flag_schedulers_online"></marker> @@ -4798,7 +4827,7 @@ true</pre> </desc> </func> <func> - <name name="system_flag" arity="2" clause_i="9"/> + <name name="system_flag" arity="2" clause_i="10"/> <fsummary>Set system flag trace_control_word</fsummary> <desc> <p>Sets the value of the node's trace control word to |