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 *
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_IMPLEMENTATION_G1_CONCURRENTMARK_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTMARK_HPP
27
28 #include "classfile/javaClasses.hpp"
29 #include "gc_implementation/g1/heapRegionSet.hpp"
30 #include "gc_implementation/g1/g1RegionToSpaceMapper.hpp"
31 #include "gc_implementation/shared/gcId.hpp"
32 #include "utilities/taskqueue.hpp"
33
34 class G1CollectedHeap;
35 class CMBitMap;
36 class CMTask;
37 class ConcurrentMark;
38 typedef GenericTaskQueue<oop, mtGC> CMTaskQueue;
39 typedef GenericTaskQueueSet<CMTaskQueue, mtGC> CMTaskQueueSet;
40
41 // Closure used by CM during concurrent reference discovery
42 // and reference processing (during remarking) to determine
43 // if a particular object is alive. It is primarily used
44 // to determine if referents of discovered reference objects
45 // are alive. An instance is also embedded into the
46 // reference processor as the _is_alive_non_header field
47 class G1CMIsAliveClosure: public BoolObjectClosure {
48 G1CollectedHeap* _g1;
49 public:
50 G1CMIsAliveClosure(G1CollectedHeap* g1) : _g1(g1) { }
51
52 bool do_object_b(oop obj);
1207 }
1208 }
1209
1210 static double bytes_to_mb(size_t val) {
1211 return (double) val / (double) M;
1212 }
1213
1214 // See the .cpp file.
1215 size_t get_hum_bytes(size_t* hum_bytes);
1216 void get_hum_bytes(size_t* used_bytes, size_t* capacity_bytes,
1217 size_t* prev_live_bytes, size_t* next_live_bytes);
1218
1219 public:
1220 // The header and footer are printed in the constructor and
1221 // destructor respectively.
1222 G1PrintRegionLivenessInfoClosure(outputStream* out, const char* phase_name);
1223 virtual bool doHeapRegion(HeapRegion* r);
1224 ~G1PrintRegionLivenessInfoClosure();
1225 };
1226
1227 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTMARK_HPP
|
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 *
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_CONCURRENTMARK_HPP
26 #define SHARE_VM_GC_G1_CONCURRENTMARK_HPP
27
28 #include "classfile/javaClasses.hpp"
29 #include "gc/g1/g1RegionToSpaceMapper.hpp"
30 #include "gc/g1/heapRegionSet.hpp"
31 #include "gc/shared/gcId.hpp"
32 #include "gc/shared/taskqueue.hpp"
33
34 class G1CollectedHeap;
35 class CMBitMap;
36 class CMTask;
37 class ConcurrentMark;
38 typedef GenericTaskQueue<oop, mtGC> CMTaskQueue;
39 typedef GenericTaskQueueSet<CMTaskQueue, mtGC> CMTaskQueueSet;
40
41 // Closure used by CM during concurrent reference discovery
42 // and reference processing (during remarking) to determine
43 // if a particular object is alive. It is primarily used
44 // to determine if referents of discovered reference objects
45 // are alive. An instance is also embedded into the
46 // reference processor as the _is_alive_non_header field
47 class G1CMIsAliveClosure: public BoolObjectClosure {
48 G1CollectedHeap* _g1;
49 public:
50 G1CMIsAliveClosure(G1CollectedHeap* g1) : _g1(g1) { }
51
52 bool do_object_b(oop obj);
1207 }
1208 }
1209
1210 static double bytes_to_mb(size_t val) {
1211 return (double) val / (double) M;
1212 }
1213
1214 // See the .cpp file.
1215 size_t get_hum_bytes(size_t* hum_bytes);
1216 void get_hum_bytes(size_t* used_bytes, size_t* capacity_bytes,
1217 size_t* prev_live_bytes, size_t* next_live_bytes);
1218
1219 public:
1220 // The header and footer are printed in the constructor and
1221 // destructor respectively.
1222 G1PrintRegionLivenessInfoClosure(outputStream* out, const char* phase_name);
1223 virtual bool doHeapRegion(HeapRegion* r);
1224 ~G1PrintRegionLivenessInfoClosure();
1225 };
1226
1227 #endif // SHARE_VM_GC_G1_CONCURRENTMARK_HPP
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