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8179387: Factor out CMS specific code from GenCollectedHeap into its own subclass

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Reviewed-by: ehelin, coleenp
This commit is contained in:
Roman Kennke 2017-10-12 15:08:19 +02:00
parent 3f2081a618
commit 4516caf125
18 changed files with 538 additions and 407 deletions
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10
src/hotspot/share/gc/cms/concurrentMarkSweepThread.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2017, 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
@ -24,10 +24,10 @@
#include "precompiled.hpp"
#include "classfile/systemDictionary.hpp"
#include "gc/cms/cmsHeap.hpp"
#include "gc/cms/concurrentMarkSweepGeneration.inline.hpp"
#include "gc/cms/concurrentMarkSweepThread.hpp"
#include "gc/shared/gcId.hpp"
#include "gc/shared/genCollectedHeap.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/init.hpp"
#include "runtime/interfaceSupport.hpp"
@ -225,7 +225,7 @@ void ConcurrentMarkSweepThread::wait_on_cms_lock_for_scavenge(long t_millis) {
// Wait time in millis or 0 value representing infinite wait for a scavenge
assert(t_millis >= 0, "Wait time for scavenge should be 0 or positive");
GenCollectedHeap* gch = GenCollectedHeap::heap();
CMSHeap* heap = CMSHeap::heap();
double start_time_secs = os::elapsedTime();
double end_time_secs = start_time_secs + (t_millis / ((double) MILLIUNITS));
@ -233,7 +233,7 @@ void ConcurrentMarkSweepThread::wait_on_cms_lock_for_scavenge(long t_millis) {
unsigned int before_count;
{
MutexLockerEx hl(Heap_lock, Mutex::_no_safepoint_check_flag);
before_count = gch->total_collections();
before_count = heap->total_collections();
}
unsigned int loop_count = 0;
@ -279,7 +279,7 @@ void ConcurrentMarkSweepThread::wait_on_cms_lock_for_scavenge(long t_millis) {
unsigned int after_count;
{
MutexLockerEx hl(Heap_lock, Mutex::_no_safepoint_check_flag);
after_count = gch->total_collections();
after_count = heap->total_collections();
}
if(before_count != after_count) {