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8246476: remove AsyncDeflateIdleMonitors option and the safepoint based deflation mechanism

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Reviewed-by: dholmes, pchilanomate, coleenp
This commit is contained in:
Daniel D. Daugherty 2020-07-13 16:36:01 -04:00
parent 231a8408b2
commit 7436ef236e
14 changed files with 144 additions and 630 deletions
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2
src/hotspot/share/services/threadService.cpp
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@ -222,13 +222,11 @@ Handle ThreadService::get_current_contended_monitor(JavaThread* thread) {
if (wait_obj != NULL) {
// thread is doing an Object.wait() call
obj = (oop) wait_obj->object();
assert(AsyncDeflateIdleMonitors || obj != NULL, "Object.wait() should have an object");
} else {
ObjectMonitor *enter_obj = thread->current_pending_monitor();
if (enter_obj != NULL) {
// thread is trying to enter() an ObjectMonitor.
obj = (oop) enter_obj->object();
assert(AsyncDeflateIdleMonitors || obj != NULL, "ObjectMonitor should have an associated object!");
}
}