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8005849: JEP 167: Event-Based JVM Tracing

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Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
This commit is contained in:
Staffan Larsen 2013-06-10 11:30:51 +02:00
parent 6b2c468c35
commit 718f3252f6
195 changed files with 7628 additions and 1484 deletions
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38
hotspot/src/share/vm/memory/referenceProcessor.hpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -26,8 +26,12 @@
#define SHARE_VM_MEMORY_REFERENCEPROCESSOR_HPP
#include "memory/referencePolicy.hpp"
#include "memory/referenceProcessorStats.hpp"
#include "memory/referenceType.hpp"
#include "oops/instanceRefKlass.hpp"
class GCTimer;
// ReferenceProcessor class encapsulates the per-"collector" processing
// of java.lang.Reference objects for GC. The interface is useful for supporting
// a generational abstraction, in particular when there are multiple
@ -204,6 +208,10 @@ public:
};
class ReferenceProcessor : public CHeapObj<mtGC> {
private:
size_t total_count(DiscoveredList lists[]);
protected:
// Compatibility with pre-4965777 JDK's
static bool _pending_list_uses_discovered_field;
@ -282,13 +290,13 @@ class ReferenceProcessor : public CHeapObj<mtGC> {
}
// Process references with a certain reachability level.
void process_discovered_reflist(DiscoveredList refs_lists[],
ReferencePolicy* policy,
bool clear_referent,
BoolObjectClosure* is_alive,
OopClosure* keep_alive,
VoidClosure* complete_gc,
AbstractRefProcTaskExecutor* task_executor);
size_t process_discovered_reflist(DiscoveredList refs_lists[],
ReferencePolicy* policy,
bool clear_referent,
BoolObjectClosure* is_alive,
OopClosure* keep_alive,
VoidClosure* complete_gc,
AbstractRefProcTaskExecutor* task_executor);
void process_phaseJNI(BoolObjectClosure* is_alive,
OopClosure* keep_alive,
@ -349,7 +357,8 @@ class ReferenceProcessor : public CHeapObj<mtGC> {
void preclean_discovered_references(BoolObjectClosure* is_alive,
OopClosure* keep_alive,
VoidClosure* complete_gc,
YieldClosure* yield);
YieldClosure* yield,
GCTimer* gc_timer);
// Delete entries in the discovered lists that have
// either a null referent or are not active. Such
@ -500,12 +509,13 @@ class ReferenceProcessor : public CHeapObj<mtGC> {
bool discover_reference(oop obj, ReferenceType rt);
// Process references found during GC (called by the garbage collector)
void process_discovered_references(BoolObjectClosure* is_alive,
OopClosure* keep_alive,
VoidClosure* complete_gc,
AbstractRefProcTaskExecutor* task_executor);
ReferenceProcessorStats
process_discovered_references(BoolObjectClosure* is_alive,
OopClosure* keep_alive,
VoidClosure* complete_gc,
AbstractRefProcTaskExecutor* task_executor,
GCTimer *gc_timer);
public:
// Enqueue references at end of GC (called by the garbage collector)
bool enqueue_discovered_references(AbstractRefProcTaskExecutor* task_executor = NULL);