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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
26 #define SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
27
28 #include "gc/g1/g1AllocationContext.hpp"
29 #include "gc/shared/gcId.hpp"
30 #include "gc/shared/vmGCOperations.hpp"
31
32 // VM_operations for the G1 collector.
33 // VM_GC_Operation:
34 // - VM_CGC_Operation
35 // - VM_G1CollectFull
36 // - VM_G1OperationWithAllocRequest
37 // - VM_G1CollectForAllocation
38 // - VM_G1IncCollectionPause
39
40 class VM_G1OperationWithAllocRequest : public VM_CollectForAllocation {
41 protected:
42 bool _pause_succeeded;
43 AllocationContext_t _allocation_context;
44
45 public:
46 VM_G1OperationWithAllocRequest(uint gc_count_before,
47 size_t word_size,
48 GCCause::Cause gc_cause)
49 : VM_CollectForAllocation(word_size, gc_count_before, gc_cause),
88 size_t word_size,
89 bool should_initiate_conc_mark,
90 double target_pause_time_ms,
91 GCCause::Cause gc_cause);
92 virtual VMOp_Type type() const { return VMOp_G1IncCollectionPause; }
93 virtual bool doit_prologue();
94 virtual void doit();
95 virtual void doit_epilogue();
96 virtual const char* name() const {
97 return "garbage-first incremental collection pause";
98 }
99 bool should_retry_gc() const { return _should_retry_gc; }
100 };
101
102 // Concurrent GC stop-the-world operations such as remark and cleanup;
103 // consider sharing these with CMS's counterparts.
104 class VM_CGC_Operation: public VM_Operation {
105 VoidClosure* _cl;
106 const char* _printGCMessage;
107 bool _needs_pll;
108 uint _gc_id;
109
110 protected:
111 // java.lang.ref.Reference support
112 void acquire_pending_list_lock();
113 void release_and_notify_pending_list_lock();
114
115 public:
116 VM_CGC_Operation(VoidClosure* cl, const char *printGCMsg, bool needs_pll)
117 : _cl(cl), _printGCMessage(printGCMsg), _needs_pll(needs_pll), _gc_id(GCId::current()) { }
118 virtual VMOp_Type type() const { return VMOp_CGC_Operation; }
119 virtual void doit();
120 virtual bool doit_prologue();
121 virtual void doit_epilogue();
122 virtual const char* name() const {
123 return "concurrent gc";
124 }
125 };
126
127 #endif // SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
|
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
26 #define SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
27
28 #include "gc/g1/g1AllocationContext.hpp"
29 #include "gc/shared/vmGCOperations.hpp"
30
31 // VM_operations for the G1 collector.
32 // VM_GC_Operation:
33 // - VM_CGC_Operation
34 // - VM_G1CollectFull
35 // - VM_G1OperationWithAllocRequest
36 // - VM_G1CollectForAllocation
37 // - VM_G1IncCollectionPause
38
39 class VM_G1OperationWithAllocRequest : public VM_CollectForAllocation {
40 protected:
41 bool _pause_succeeded;
42 AllocationContext_t _allocation_context;
43
44 public:
45 VM_G1OperationWithAllocRequest(uint gc_count_before,
46 size_t word_size,
47 GCCause::Cause gc_cause)
48 : VM_CollectForAllocation(word_size, gc_count_before, gc_cause),
87 size_t word_size,
88 bool should_initiate_conc_mark,
89 double target_pause_time_ms,
90 GCCause::Cause gc_cause);
91 virtual VMOp_Type type() const { return VMOp_G1IncCollectionPause; }
92 virtual bool doit_prologue();
93 virtual void doit();
94 virtual void doit_epilogue();
95 virtual const char* name() const {
96 return "garbage-first incremental collection pause";
97 }
98 bool should_retry_gc() const { return _should_retry_gc; }
99 };
100
101 // Concurrent GC stop-the-world operations such as remark and cleanup;
102 // consider sharing these with CMS's counterparts.
103 class VM_CGC_Operation: public VM_Operation {
104 VoidClosure* _cl;
105 const char* _printGCMessage;
106 bool _needs_pll;
107
108 protected:
109 // java.lang.ref.Reference support
110 void acquire_pending_list_lock();
111 void release_and_notify_pending_list_lock();
112
113 public:
114 VM_CGC_Operation(VoidClosure* cl, const char *printGCMsg, bool needs_pll)
115 : _cl(cl), _printGCMessage(printGCMsg), _needs_pll(needs_pll) { }
116 virtual VMOp_Type type() const { return VMOp_CGC_Operation; }
117 virtual void doit();
118 virtual bool doit_prologue();
119 virtual void doit_epilogue();
120 virtual const char* name() const {
121 return "concurrent gc";
122 }
123 };
124
125 #endif // SHARE_VM_GC_G1_VM_OPERATIONS_G1_HPP
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