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-rw-r--r--erts/doc/src/erl.xml27
1 files changed, 26 insertions, 1 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index 99f2466d79..5352fad143 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -710,7 +710,24 @@
<taglist>
<tag><marker id="+sbt"><c>+sbt BindType</c></marker></tag>
<item>
- <p>Set scheduler bind type. Currently valid <c>BindType</c>s:
+ <p>Set scheduler bind type.</p>
+ <p>Schedulers can also be bound using the
+ <seealso marker="#+stbt">+stbt</seealso> flag. The only difference
+ between these two flags is how the following errors are handled:</p>
+ <list>
+ <item>Binding of schedulers is not supported on the specific
+ platform.</item>
+ <item>No available CPU topology. That is the runtime system
+ was not able to automatically detected the CPU topology, and
+ no <seealso marker="#+sct">user defined CPU topology</seealso>
+ was set.</item>
+ </list>
+ <p>If any of these errors occur when <c>+sbt</c> has been passed,
+ the runtime system will print an error message, and refuse to
+ start. If any of these errors occur when <c>+stbt</c> has been
+ passed, the runtime system will silently ignore the error, and
+ start up using unbound schedulers.</p>
+ <p>Currently valid <c>BindType</c>s:
</p>
<taglist>
<tag><c>u</c></tag>
@@ -960,6 +977,14 @@
<p>For more information, see
<seealso marker="erlang#system_info_cpu_topology">erlang:system_info(cpu_topology)</seealso>.</p>
</item>
+ <tag><marker id="+stbt"><c>+stbt BindType</c></marker></tag>
+ <item>
+ <p>Try to set scheduler bind type. The same as the
+ <seealso marker="#+sbt">+sbt</seealso> flag with the exception of
+ how some errors are handled. For more information, see the
+ documentation of the <seealso marker="#+sbt">+sbt</seealso> flag.
+ </p>
+ </item>
<tag><marker id="+sws"><c>+sws default|legacy|proposal</c></marker></tag>
<item>
<p>Set scheduler wakeup strategy. Default is <c>legacy</c> (has been