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src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp

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rev 7522 : * * *
8066827: Remove ReferenceProcessor::clean_up_discovered_references()
Summary: Abandon rather than clean up discovered references.
Reviewed-by:


2052 
2053     // Set the number of GC threads to be used in this collection
2054     gc_task_manager()->set_active_gang();
2055     gc_task_manager()->task_idle_workers();
2056     heap->set_par_threads(gc_task_manager()->active_workers());
2057 
2058     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
2059     GCTraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer.gc_id());
2060     TraceCollectorStats tcs(counters());
2061     TraceMemoryManagerStats tms(true /* Full GC */,gc_cause);
2062 
2063     if (TraceOldGenTime) accumulated_time()->start();
2064 
2065     // Let the size policy know we're starting
2066     size_policy->major_collection_begin();
2067 
2068     CodeCache::gc_prologue();
2069 
2070     COMPILER2_PRESENT(DerivedPointerTable::clear());
2071 
2072     ref_processor()->enable_discovery(true /*verify_disabled*/, true /*verify_no_refs*/);
2073     ref_processor()->setup_policy(maximum_heap_compaction);
2074 
2075     bool marked_for_unloading = false;
2076 
2077     marking_start.update();
2078     marking_phase(vmthread_cm, maximum_heap_compaction, &_gc_tracer);
2079 
2080     bool max_on_system_gc = UseMaximumCompactionOnSystemGC
2081       && gc_cause == GCCause::_java_lang_system_gc;
2082     summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
2083 
2084     COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));
2085     COMPILER2_PRESENT(DerivedPointerTable::set_active(false));
2086 
2087     // adjust_roots() updates Universe::_intArrayKlassObj which is
2088     // needed by the compaction for filling holes in the dense prefix.
2089     adjust_roots();
2090 
2091     compaction_start.update();
2092     compact();




2052 
2053     // Set the number of GC threads to be used in this collection
2054     gc_task_manager()->set_active_gang();
2055     gc_task_manager()->task_idle_workers();
2056     heap->set_par_threads(gc_task_manager()->active_workers());
2057 
2058     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
2059     GCTraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer.gc_id());
2060     TraceCollectorStats tcs(counters());
2061     TraceMemoryManagerStats tms(true /* Full GC */,gc_cause);
2062 
2063     if (TraceOldGenTime) accumulated_time()->start();
2064 
2065     // Let the size policy know we're starting
2066     size_policy->major_collection_begin();
2067 
2068     CodeCache::gc_prologue();
2069 
2070     COMPILER2_PRESENT(DerivedPointerTable::clear());
2071 
2072     ref_processor()->enable_discovery();
2073     ref_processor()->setup_policy(maximum_heap_compaction);
2074 
2075     bool marked_for_unloading = false;
2076 
2077     marking_start.update();
2078     marking_phase(vmthread_cm, maximum_heap_compaction, &_gc_tracer);
2079 
2080     bool max_on_system_gc = UseMaximumCompactionOnSystemGC
2081       && gc_cause == GCCause::_java_lang_system_gc;
2082     summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
2083 
2084     COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));
2085     COMPILER2_PRESENT(DerivedPointerTable::set_active(false));
2086 
2087     // adjust_roots() updates Universe::_intArrayKlassObj which is
2088     // needed by the compaction for filling holes in the dense prefix.
2089     adjust_roots();
2090 
2091     compaction_start.update();
2092     compact();
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