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authorRickard Green <[email protected]>2012-04-03 19:53:52 +0200
committerRickard Green <[email protected]>2012-04-23 11:55:34 +0200
commit447eecd1af7ba3e3a46098d93b88964c0f71ca41 (patch)
tree416a19104ec82254c5b913c05c03ec96db94f5d9 /erts/doc/src
parentcfea5eea406ba3af96588ff458e55de9a149d9c5 (diff)
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Add switch controlling scheduler busy wait
Diffstat (limited to 'erts/doc/src')
-rw-r--r--erts/doc/src/erl.xml10
1 files changed, 10 insertions, 0 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index cfbc38f176..0df16a551c 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -766,6 +766,16 @@
<seealso marker="erlang#system_info_scheduler_bindings">erlang:system_info(scheduler_bindings)</seealso>.
</p>
</item>
+ <tag><marker id="+sbwt"><c>+sbwt none|very_short|short|medium|long|very_long</c></marker></tag>
+ <item>
+ <p>Set scheduler busy wait threshold. Default is <c>medium</c>.
+ The threshold determines how long schedulers should busy
+ wait when running out of work before going to sleep.
+ </p>
+ <p><em>NOTE:</em> This flag may be removed or changed at any time
+ without prior notice.
+ </p>
+ </item>
<tag><marker id="+scl"><c>+scl true|false</c></marker></tag>
<item>
<p>Enable or disable scheduler compaction of load. By default