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4957990: Perm heap bloat in JVM

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Treat ProfileData in MDO's as a source of weak, not strong, roots. Fixes the bug for stop-world collection -- the case of concurrent collection will be fixed separately.

Reviewed-by: jcoomes, jmasa, kvn, never
This commit is contained in:
Y. Srinivas Ramakrishna 2009-09-02 00:04:29 -07:00
parent 2491751525
commit c6763b5bad
27 changed files with 385 additions and 65 deletions
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6
hotspot/src/share/vm/gc_implementation/parallelScavenge/pcTasks.cpp
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@ -58,9 +58,8 @@ void MarkFromRootsTask::do_it(GCTaskManager* manager, uint which) {
PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));
ParCompactionManager* cm =
ParCompactionManager::gc_thread_compaction_manager(which);
// cm->allocate_stacks();
assert(cm->stacks_have_been_allocated(),
"Stack space has not been allocated");
"Stack space has not been allocated");
PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);
switch (_root_type) {
@ -129,9 +128,8 @@ void RefProcTaskProxy::do_it(GCTaskManager* manager, uint which)
PrintGCDetails && TraceParallelOldGCTasks, true, gclog_or_tty));
ParCompactionManager* cm =
ParCompactionManager::gc_thread_compaction_manager(which);
// cm->allocate_stacks();
assert(cm->stacks_have_been_allocated(),
"Stack space has not been allocated");
"Stack space has not been allocated");
PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);
PSParallelCompact::FollowStackClosure follow_stack_closure(cm);
_rp_task.work(_work_id, *PSParallelCompact::is_alive_closure(),