Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp @ 18504:c2b23f6e4603
Try to bind method after guarded interface invoke
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Tue, 25 Nov 2014 12:25:51 -0800 |
parents | 52b4284cb496 |
children | 7848fc12602b |
rev | line source |
---|---|
0 | 1 /* |
10405 | 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1387
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1387
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1387
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_HPP | |
27 | |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
28 #include "gc_implementation/parallelScavenge/generationSizer.hpp" |
1972 | 29 #include "gc_implementation/parallelScavenge/objectStartArray.hpp" |
30 #include "gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp" | |
31 #include "gc_implementation/parallelScavenge/psOldGen.hpp" | |
32 #include "gc_implementation/parallelScavenge/psYoungGen.hpp" | |
33 #include "gc_implementation/shared/gcPolicyCounters.hpp" | |
10405 | 34 #include "gc_implementation/shared/gcWhen.hpp" |
1972 | 35 #include "gc_interface/collectedHeap.inline.hpp" |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
36 #include "memory/collectorPolicy.hpp" |
1972 | 37 #include "utilities/ostream.hpp" |
38 | |
0 | 39 class AdjoiningGenerations; |
10405 | 40 class GCHeapSummary; |
0 | 41 class GCTaskManager; |
10405 | 42 class PSAdaptiveSizePolicy; |
43 class PSHeapSummary; | |
0 | 44 |
45 class ParallelScavengeHeap : public CollectedHeap { | |
46 friend class VMStructs; | |
47 private: | |
48 static PSYoungGen* _young_gen; | |
49 static PSOldGen* _old_gen; | |
50 | |
51 // Sizing policy for entire heap | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
52 static PSAdaptiveSizePolicy* _size_policy; |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
53 static PSGCAdaptivePolicyCounters* _gc_policy_counters; |
0 | 54 |
55 static ParallelScavengeHeap* _psh; | |
56 | |
1387
0bfd3fb24150
6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit.
jmasa
parents:
1166
diff
changeset
|
57 GenerationSizer* _collector_policy; |
0bfd3fb24150
6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit.
jmasa
parents:
1166
diff
changeset
|
58 |
0 | 59 // Collection of generations that are adjacent in the |
60 // space reserved for the heap. | |
61 AdjoiningGenerations* _gens; | |
4914
23c0eb012d6f
6330863: vm/gc/InfiniteList.java fails intermittently due to timeout
jcoomes
parents:
4073
diff
changeset
|
62 unsigned int _death_march_count; |
0 | 63 |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
64 // The task manager |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
65 static GCTaskManager* _gc_task_manager; |
0 | 66 |
10405 | 67 void trace_heap(GCWhen::Type when, GCTracer* tracer); |
68 | |
0 | 69 protected: |
70 static inline size_t total_invocations(); | |
71 HeapWord* allocate_new_tlab(size_t size); | |
72 | |
4914
23c0eb012d6f
6330863: vm/gc/InfiniteList.java fails intermittently due to timeout
jcoomes
parents:
4073
diff
changeset
|
73 inline bool should_alloc_in_eden(size_t size) const; |
23c0eb012d6f
6330863: vm/gc/InfiniteList.java fails intermittently due to timeout
jcoomes
parents:
4073
diff
changeset
|
74 inline void death_march_check(HeapWord* const result, size_t size); |
23c0eb012d6f
6330863: vm/gc/InfiniteList.java fails intermittently due to timeout
jcoomes
parents:
4073
diff
changeset
|
75 HeapWord* mem_allocate_old_gen(size_t size); |
23c0eb012d6f
6330863: vm/gc/InfiniteList.java fails intermittently due to timeout
jcoomes
parents:
4073
diff
changeset
|
76 |
0 | 77 public: |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
78 ParallelScavengeHeap() : CollectedHeap(), _death_march_count(0) { } |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
10405
diff
changeset
|
79 |
0 | 80 // For use by VM operations |
81 enum CollectionType { | |
82 Scavenge, | |
83 MarkSweep | |
84 }; | |
85 | |
86 ParallelScavengeHeap::Name kind() const { | |
87 return CollectedHeap::ParallelScavengeHeap; | |
88 } | |
89 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
90 virtual CollectorPolicy* collector_policy() const { return (CollectorPolicy*) _collector_policy; } |
1387
0bfd3fb24150
6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit.
jmasa
parents:
1166
diff
changeset
|
91 |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
92 static PSYoungGen* young_gen() { return _young_gen; } |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
93 static PSOldGen* old_gen() { return _old_gen; } |
0 | 94 |
95 virtual PSAdaptiveSizePolicy* size_policy() { return _size_policy; } | |
96 | |
97 static PSGCAdaptivePolicyCounters* gc_policy_counters() { return _gc_policy_counters; } | |
98 | |
99 static ParallelScavengeHeap* heap(); | |
100 | |
101 static GCTaskManager* const gc_task_manager() { return _gc_task_manager; } | |
102 | |
103 AdjoiningGenerations* gens() { return _gens; } | |
104 | |
105 // Returns JNI_OK on success | |
106 virtual jint initialize(); | |
107 | |
108 void post_initialize(); | |
109 void update_counters(); | |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
110 |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
111 // The alignment used for the various areas |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
112 size_t space_alignment() { return _collector_policy->space_alignment(); } |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
113 size_t generation_alignment() { return _collector_policy->gen_alignment(); } |
0 | 114 |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
115 // Return the (conservative) maximum heap alignment |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
116 static size_t conservative_max_heap_alignment() { |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
117 return CollectorPolicy::compute_heap_alignment(); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
118 } |
0 | 119 |
120 size_t capacity() const; | |
121 size_t used() const; | |
122 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
123 // Return "true" if all generations have reached the |
0 | 124 // maximal committed limit that they can reach, without a garbage |
125 // collection. | |
126 virtual bool is_maximal_no_gc() const; | |
127 | |
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
128 // Return true if the reference points to an object that |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
129 // can be moved in a partial collection. For currently implemented |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
130 // generational collectors that means during a collection of |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
131 // the young gen. |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
132 virtual bool is_scavengable(const void* addr); |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
133 |
0 | 134 // Does this heap support heap inspection? (+PrintClassHistogram) |
135 bool supports_heap_inspection() const { return true; } | |
136 | |
137 size_t max_capacity() const; | |
138 | |
139 // Whether p is in the allocated part of the heap | |
140 bool is_in(const void* p) const; | |
141 | |
142 bool is_in_reserved(const void* p) const; | |
143 | |
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
144 #ifdef ASSERT |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
145 virtual bool is_in_partial_collection(const void *p); |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
146 #endif |
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
1972
diff
changeset
|
147 |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
148 bool is_in_young(oop p); // reserved part |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
149 bool is_in_old(oop p); // reserved part |
0 | 150 |
151 // Memory allocation. "gc_time_limit_was_exceeded" will | |
152 // be set to true if the adaptive size policy determine that | |
153 // an excessive amount of time is being spent doing collections | |
154 // and caused a NULL to be returned. If a NULL is not returned, | |
155 // "gc_time_limit_was_exceeded" has an undefined meaning. | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
156 HeapWord* mem_allocate(size_t size, bool* gc_overhead_limit_was_exceeded); |
0 | 157 |
3774
c9ca3f51cf41
6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap
tonyp
parents:
3772
diff
changeset
|
158 // Allocation attempt(s) during a safepoint. It should never be called |
c9ca3f51cf41
6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap
tonyp
parents:
3772
diff
changeset
|
159 // to allocate a new TLAB as this allocation might be satisfied out |
c9ca3f51cf41
6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap
tonyp
parents:
3772
diff
changeset
|
160 // of the old generation. |
c9ca3f51cf41
6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap
tonyp
parents:
3772
diff
changeset
|
161 HeapWord* failed_mem_allocate(size_t size); |
0 | 162 |
163 // Support for System.gc() | |
164 void collect(GCCause::Cause cause); | |
165 | |
166 // These also should be called by the vm thread at a safepoint (e.g., from a | |
167 // VM operation). | |
168 // | |
169 // The first collects the young generation only, unless the scavenge fails; it | |
170 // will then attempt a full gc. The second collects the entire heap; if | |
171 // maximum_compaction is true, it will compact everything and clear all soft | |
172 // references. | |
173 inline void invoke_scavenge(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
174 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
175 // Perform a full collection |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
176 virtual void do_full_collection(bool clear_all_soft_refs); |
0 | 177 |
178 bool supports_inline_contig_alloc() const { return !UseNUMA; } | |
141 | 179 |
180 HeapWord** top_addr() const { return !UseNUMA ? young_gen()->top_addr() : (HeapWord**)-1; } | |
181 HeapWord** end_addr() const { return !UseNUMA ? young_gen()->end_addr() : (HeapWord**)-1; } | |
0 | 182 |
183 void ensure_parsability(bool retire_tlabs); | |
184 void accumulate_statistics_all_tlabs(); | |
185 void resize_all_tlabs(); | |
186 | |
187 size_t unsafe_max_alloc(); | |
188 | |
189 bool supports_tlab_allocation() const { return true; } | |
190 | |
191 size_t tlab_capacity(Thread* thr) const; | |
17727 | 192 size_t tlab_used(Thread* thr) const; |
0 | 193 size_t unsafe_max_tlab_alloc(Thread* thr) const; |
194 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
195 // Can a compiler initialize a new object without store barriers? |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
196 // This permission only extends from the creation of a new object |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
197 // via a TLAB up to the first subsequent safepoint. |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
198 virtual bool can_elide_tlab_store_barriers() const { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
199 return true; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
200 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
141
diff
changeset
|
201 |
1166 | 202 virtual bool card_mark_must_follow_store() const { |
203 return false; | |
204 } | |
205 | |
1027
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
989
diff
changeset
|
206 // Return true if we don't we need a store barrier for |
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
989
diff
changeset
|
207 // initializing stores to an object at this address. |
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
989
diff
changeset
|
208 virtual bool can_elide_initializing_store_barrier(oop new_obj); |
39b01ab7035a
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
ysr
parents:
989
diff
changeset
|
209 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6008
diff
changeset
|
210 void oop_iterate(ExtendedOopClosure* cl); |
0 | 211 void object_iterate(ObjectClosure* cl); |
517
e9be0e04635a
6689653: JMapPerm fails with UseConcMarkSweepIncGC and compressed oops off
jmasa
parents:
356
diff
changeset
|
212 void safe_object_iterate(ObjectClosure* cl) { object_iterate(cl); } |
0 | 213 |
214 HeapWord* block_start(const void* addr) const; | |
215 size_t block_size(const HeapWord* addr) const; | |
216 bool block_is_obj(const HeapWord* addr) const; | |
217 | |
218 jlong millis_since_last_gc(); | |
219 | |
220 void prepare_for_verify(); | |
10405 | 221 PSHeapSummary create_ps_heap_summary(); |
4073
53074c2c4600
7099849: G1: include heap region information in hs_err files
tonyp
parents:
3774
diff
changeset
|
222 virtual void print_on(outputStream* st) const; |
9076
7b835924c31c
8011872: Include Bit Map addresses in the hs_err files
stefank
parents:
6725
diff
changeset
|
223 virtual void print_on_error(outputStream* st) const; |
0 | 224 virtual void print_gc_threads_on(outputStream* st) const; |
225 virtual void gc_threads_do(ThreadClosure* tc) const; | |
226 virtual void print_tracing_info() const; | |
227 | |
6008 | 228 void verify(bool silent, VerifyOption option /* ignored */); |
0 | 229 |
230 void print_heap_change(size_t prev_used); | |
231 | |
232 // Resize the young generation. The reserved space for the | |
233 // generation may be expanded in preparation for the resize. | |
234 void resize_young_gen(size_t eden_size, size_t survivor_size); | |
235 | |
236 // Resize the old generation. The reserved space for the | |
237 // generation may be expanded in preparation for the resize. | |
238 void resize_old_gen(size_t desired_free_space); | |
263
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
141
diff
changeset
|
239 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
141
diff
changeset
|
240 // Save the tops of the spaces in all generations |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
141
diff
changeset
|
241 void record_gen_tops_before_GC() PRODUCT_RETURN; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
141
diff
changeset
|
242 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
141
diff
changeset
|
243 // Mangle the unused parts of all spaces in the heap |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
141
diff
changeset
|
244 void gen_mangle_unused_area() PRODUCT_RETURN; |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
845
diff
changeset
|
245 |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
845
diff
changeset
|
246 // Call these in sequential code around the processing of strong roots. |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
845
diff
changeset
|
247 class ParStrongRootsScope : public MarkingCodeBlobClosure::MarkScope { |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
12233
diff
changeset
|
248 public: |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
845
diff
changeset
|
249 ParStrongRootsScope(); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
845
diff
changeset
|
250 ~ParStrongRootsScope(); |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
845
diff
changeset
|
251 }; |
0 | 252 }; |
253 | |
1972 | 254 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_HPP |