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8253064: monitor list simplifications and getting rid of TSM

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Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Reviewed-by: eosterlund, rehn, coleenp
This commit is contained in:
Daniel D. Daugherty 2020-11-11 16:20:11 +00:00
parent 421a7c3b41
commit 2e19026d45
25 changed files with 817 additions and 1912 deletions
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11
src/hotspot/share/runtime/safepoint.cpp
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@ -544,11 +544,6 @@ public:
Threads::threads_do(&cl);
}
if (_subtasks.try_claim_task(SafepointSynchronize::SAFEPOINT_CLEANUP_DEFLATE_MONITORS)) {
Tracer t("deflating idle monitors");
ObjectSynchronizer::do_safepoint_work();
}
if (_subtasks.try_claim_task(SafepointSynchronize::SAFEPOINT_CLEANUP_UPDATE_INLINE_CACHES)) {
Tracer t("updating inline caches");
InlineCacheBuffer::update_inline_caches();
@ -610,6 +605,12 @@ void SafepointSynchronize::do_cleanup_tasks() {
}
assert(InlineCacheBuffer::is_empty(), "should have cleaned up ICBuffer");
if (log_is_enabled(Debug, monitorinflation)) {
// The VMThread calls do_final_audit_and_print_stats() which calls
// audit_and_print_stats() at the Info level at VM exit time.
ObjectSynchronizer::audit_and_print_stats(false /* on_exit */);
}
}
// Methods for determining if a JavaThread is safepoint safe.