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authorErlang/OTP <otp@erlang.org>2012-04-25 13:11:31 +0200
committerErlang/OTP <otp@erlang.org>2012-04-25 13:11:31 +0200
commit269c223d7bdf194cc3ea25d792328d8b502d4655 (patch)
tree699f7cc5dd337eee5d07b7689f8cff29c90b748d /erts/doc
parent8629cdc77a00384ae4197e7f135285c8efa2c9f3 (diff)
parent447eecd1af7ba3e3a46098d93b88964c0f71ca41 (diff)
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Merge branch 'rickard/sched-busy-wait/OTP-10044' into maint-r15
* rickard/sched-busy-wait/OTP-10044: Add switch controlling scheduler busy wait Conflicts: erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h
Diffstat (limited to 'erts/doc')
-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 f23e8bd9b8..72cbf1f3b2 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