• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.cpp@f95d63e2154a (annotated)

src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author

stefank

date

Tue, 23 Nov 2010 13:22:55 -0800

changeset 2314

f95d63e2154a

parent 2194

e41cd7fd68a6

child 3730

9f059abe8cf2

permissions

-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435	1	/*
ysr@2194	2	* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "gc_implementation/concurrentMarkSweep/cmsPermGen.hpp"
stefank@2314	27	#include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.inline.hpp"
stefank@2314	28	#include "gc_implementation/shared/cSpaceCounters.hpp"
stefank@2314	29	#include "gc_interface/collectedHeap.inline.hpp"
stefank@2314	30	#include "memory/blockOffsetTable.inline.hpp"
stefank@2314	31	#include "memory/compactPermGen.hpp"
stefank@2314	32	#include "memory/genCollectedHeap.hpp"
stefank@2314	33	#include "memory/generation.inline.hpp"
stefank@2314	34	#include "memory/permGen.hpp"
stefank@2314	35	#include "memory/universe.hpp"
stefank@2314	36	#include "oops/oop.inline.hpp"
stefank@2314	37	#include "runtime/java.hpp"
duke@435	38
duke@435	39	CMSPermGen::CMSPermGen(ReservedSpace rs, size_t initial_byte_size,
duke@435	40	CardTableRS* ct,
duke@435	41	FreeBlockDictionary::DictionaryChoice dictionaryChoice) {
duke@435	42	CMSPermGenGen* g =
duke@435	43	new CMSPermGenGen(rs, initial_byte_size, -1, ct);
duke@435	44	if (g == NULL) {
duke@435	45	vm_exit_during_initialization("Could not allocate a CompactingPermGen");
duke@435	46	}
duke@435	47
duke@435	48	g->initialize_performance_counters();
duke@435	49
duke@435	50	_gen = g;
duke@435	51	}
duke@435	52
duke@435	53	HeapWord* CMSPermGen::mem_allocate(size_t size) {
duke@435	54	Mutex* lock = _gen->freelistLock();
duke@435	55	bool lock_owned = lock->owned_by_self();
duke@435	56	if (lock_owned) {
duke@435	57	MutexUnlocker mul(lock);
apetrusenko@574	58	return mem_allocate_in_gen(size, _gen);
duke@435	59	} else {
apetrusenko@574	60	return mem_allocate_in_gen(size, _gen);
duke@435	61	}
duke@435	62	}
duke@435	63
ysr@2194	64	HeapWord* CMSPermGen::request_expand_and_allocate(Generation* gen,
ysr@2194	65	size_t size,
ysr@2194	66	GCCause::Cause prev_cause /* ignored */) {
ysr@2194	67	HeapWord* obj = gen->expand_and_allocate(size, false);
ysr@2194	68	if (gen->capacity() >= _capacity_expansion_limit) {
ysr@2194	69	set_capacity_expansion_limit(gen->capacity() + MaxPermHeapExpansion);
ysr@2194	70	assert(((ConcurrentMarkSweepGeneration*)gen)->should_concurrent_collect(),
ysr@2194	71	"Should kick off a collection if one not in progress");
ysr@2194	72	}
ysr@2194	73	return obj;
ysr@2194	74	}
ysr@2194	75
duke@435	76	void CMSPermGen::compute_new_size() {
duke@435	77	_gen->compute_new_size();
duke@435	78	}
duke@435	79
duke@435	80	void CMSPermGenGen::initialize_performance_counters() {
duke@435	81
duke@435	82	const char* gen_name = "perm";
duke@435	83
duke@435	84	// Generation Counters - generation 2, 1 subspace
duke@435	85	_gen_counters = new GenerationCounters(gen_name, 2, 1, &_virtual_space);
duke@435	86
duke@435	87	_gc_counters = NULL;
duke@435	88
duke@435	89	_space_counters = new GSpaceCounters(gen_name, 0,
duke@435	90	_virtual_space.reserved_size(),
duke@435	91	this, _gen_counters);
duke@435	92	}