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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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8
src/hotspot/share/runtime/vmOperations.cpp
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@ -431,10 +431,10 @@ int VM_Exit::wait_for_threads_in_native_to_block() {
}
bool VM_Exit::doit_prologue() {
if (AsyncDeflateIdleMonitors && log_is_enabled(Info, monitorinflation)) {
// AsyncDeflateIdleMonitors does a special deflation in order
// to reduce the in-use monitor population that is reported by
// ObjectSynchronizer::log_in_use_monitor_details() at VM exit.
if (log_is_enabled(Info, monitorinflation)) {
// Do a deflation in order to reduce the in-use monitor population
// that is reported by ObjectSynchronizer::log_in_use_monitor_details()
// at VM exit.
ObjectSynchronizer::request_deflate_idle_monitors();
}
return true;