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src/hotspot/share/runtime/safepoint.cpp
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rev 54572 : Checkpoint latest preliminary review patches for full OpenJDK review; merge with 8222295.patch.
rev 54573 : imported patch dcubed.monitor_deflate_conc.v2.01
*** 523,532 ****
--- 523,536 ----
ParallelSPCleanupThreadClosure(DeflateMonitorCounters* counters) :
_nmethod_cl(UseCodeAging ? NMethodSweeper::prepare_reset_hotness_counters() : NULL),
_counters(counters) {}
void do_thread(Thread* thread) {
+ // deflate_thread_local_monitors() handles or requests deflation of
+ // this thread's idle monitors. If !AsyncDeflateIdleMonitors or if
+ // there is a special cleanup request, deflation is handled now.
+ // Otherwise, async deflation is requested via a flag.
ObjectSynchronizer::deflate_thread_local_monitors(thread, _counters);
if (_nmethod_cl != NULL && thread->is_Java_thread() &&
! thread->is_Code_cache_sweeper_thread()) {
JavaThread* jt = (JavaThread*) thread;
jt->nmethods_do(_nmethod_cl);
*** 555,565 ****
if (_subtasks.try_claim_task(SafepointSynchronize::SAFEPOINT_CLEANUP_DEFLATE_MONITORS)) {
const char* name = "deflating global idle monitors";
EventSafepointCleanupTask event;
TraceTime timer(name, TRACETIME_LOG(Info, safepoint, cleanup));
! ObjectSynchronizer::deflate_idle_monitors(_counters);
post_safepoint_cleanup_task_event(event, safepoint_id, name);
}
if (_subtasks.try_claim_task(SafepointSynchronize::SAFEPOINT_CLEANUP_UPDATE_INLINE_CACHES)) {
--- 559,573 ----
if (_subtasks.try_claim_task(SafepointSynchronize::SAFEPOINT_CLEANUP_DEFLATE_MONITORS)) {
const char* name = "deflating global idle monitors";
EventSafepointCleanupTask event;
TraceTime timer(name, TRACETIME_LOG(Info, safepoint, cleanup));
! // AsyncDeflateIdleMonitors only uses DeflateMonitorCounters
! // when a special cleanup has been requested.
! // Note: This logging output will include global idle monitor
! // elapsed times, but not global idle monitor deflation count.
! ObjectSynchronizer::do_safepoint_work(_counters);
post_safepoint_cleanup_task_event(event, safepoint_id, name);
}
if (_subtasks.try_claim_task(SafepointSynchronize::SAFEPOINT_CLEANUP_UPDATE_INLINE_CACHES)) {
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