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-rw-r--r--erts/doc/src/erl.xml14
1 files changed, 14 insertions, 0 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index 8dca7402e8..70569b1c6c 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -1037,6 +1037,20 @@
<p>For more information, see
<seealso marker="erlang#system_info_cpu_topology">erlang:system_info(cpu_topology)</seealso>.</p>
</item>
+ <tag><marker id="+sfwi"><c>+sfwi Interval</c></marker></tag>
+ <item>
+ <p>Set scheduler forced wakeup interval. All run queues will
+ be scanned each <c>Interval</c> milliseconds. While there are
+ sleeping schedulers in the system, one scheduler will be woken
+ for each non-empty run queue found. An <c>Interval</c> of zero
+ disables this feature, which also is the default.
+ </p>
+ <p>This feature has been introduced as a temporary workaround
+ for lengthy executing native code, and native code that do not
+ bump reductions properly in OTP. When these bugs have be fixed
+ the <c>+sfwi</c> flag will be removed.
+ </p>
+ </item>
<tag><marker id="+stbt"><c>+stbt BindType</c></marker></tag>
<item>
<p>Try to set scheduler bind type. The same as the