14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHROOTPROCESSOR_HPP
25 #define SHARE_GC_SHENANDOAH_SHENANDOAHROOTPROCESSOR_HPP
26
27 #include "code/codeCache.hpp"
28 #include "gc/shared/oopStorageParState.hpp"
29 #include "gc/shenandoah/shenandoahCodeRoots.hpp"
30 #include "gc/shenandoah/shenandoahHeap.hpp"
31 #include "gc/shenandoah/shenandoahPhaseTimings.hpp"
32 #include "gc/shared/strongRootsScope.hpp"
33 #include "gc/shared/weakProcessor.hpp"
34 #include "gc/shared/workgroup.hpp"
35 #include "memory/allocation.hpp"
36 #include "memory/iterator.hpp"
37
38 class ParallelCLDRootIterator {
39 public:
40 ParallelCLDRootIterator();
41 void root_cld_do(CLDClosure* strong, CLDClosure* weak);
42 };
43
44 enum Shenandoah_process_roots_tasks {
45 SHENANDOAH_RP_PS_Universe_oops_do,
46 SHENANDOAH_RP_PS_JNIHandles_oops_do,
47 SHENANDOAH_RP_PS_ObjectSynchronizer_oops_do,
48 SHENANDOAH_RP_PS_Management_oops_do,
49 SHENANDOAH_RP_PS_SystemDictionary_oops_do,
50 SHENANDOAH_RP_PS_jvmti_oops_do,
51 // Leave this one last.
52 SHENANDOAH_RP_PS_NumElements
53 };
54
55 class ShenandoahRootProcessor : public StackObj {
56 SubTasksDone* _process_strong_tasks;
57 StrongRootsScope _srs;
58 OopStorage::ParState<false, false> _par_state_string;
59 ShenandoahPhaseTimings::Phase _phase;
60 ParallelCLDRootIterator _cld_iterator;
61 ShenandoahAllCodeRootsIterator _coderoots_all_iterator;
62 CodeBlobClosure* _threads_nmethods_cl;
63 WeakProcessor::Task _weak_processor_task;
64
65 void process_java_roots(OopClosure* scan_non_heap_roots,
66 CLDClosure* scan_strong_clds,
67 CLDClosure* scan_weak_clds,
68 CodeBlobClosure* scan_strong_code,
69 ThreadClosure* thread_cl,
70 uint worker_i);
71
72 void process_vm_roots(OopClosure* scan_non_heap_roots,
73 OopClosure* scan_non_heap_weak_roots,
74 OopClosure* weak_jni_roots,
75 uint worker_i);
76
77 public:
78 ShenandoahRootProcessor(ShenandoahHeap* heap, uint n_workers,
79 ShenandoahPhaseTimings::Phase phase);
80 ~ShenandoahRootProcessor();
81
82 // Apply oops, clds and blobs to all strongly reachable roots in the system
83 void process_strong_roots(OopClosure* oops, OopClosure* weak_oops,
84 CLDClosure* clds,
85 CLDClosure* weak_clds,
86 CodeBlobClosure* blobs,
87 ThreadClosure* thread_cl,
88 uint worker_id);
89
90 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system
91 void process_all_roots(OopClosure* oops, OopClosure* weak_oops,
92 CLDClosure* clds,
93 CodeBlobClosure* blobs,
94 ThreadClosure* thread_cl,
95 uint worker_id);
|
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHROOTPROCESSOR_HPP
25 #define SHARE_GC_SHENANDOAH_SHENANDOAHROOTPROCESSOR_HPP
26
27 #include "code/codeCache.hpp"
28 #include "gc/shared/oopStorageParState.hpp"
29 #include "gc/shenandoah/shenandoahCodeRoots.hpp"
30 #include "gc/shenandoah/shenandoahHeap.hpp"
31 #include "gc/shenandoah/shenandoahPhaseTimings.hpp"
32 #include "gc/shared/strongRootsScope.hpp"
33 #include "gc/shared/weakProcessor.hpp"
34 #include "gc/shared/weakProcessorPhaseTimes.hpp"
35 #include "gc/shared/workgroup.hpp"
36 #include "memory/allocation.hpp"
37 #include "memory/iterator.hpp"
38
39 class ParallelCLDRootIterator {
40 public:
41 ParallelCLDRootIterator();
42 void root_cld_do(CLDClosure* strong, CLDClosure* weak);
43 };
44
45 enum Shenandoah_process_roots_tasks {
46 SHENANDOAH_RP_PS_Universe_oops_do,
47 SHENANDOAH_RP_PS_JNIHandles_oops_do,
48 SHENANDOAH_RP_PS_ObjectSynchronizer_oops_do,
49 SHENANDOAH_RP_PS_Management_oops_do,
50 SHENANDOAH_RP_PS_SystemDictionary_oops_do,
51 SHENANDOAH_RP_PS_jvmti_oops_do,
52 // Leave this one last.
53 SHENANDOAH_RP_PS_NumElements
54 };
55
56 class ShenandoahRootProcessor : public StackObj {
57 SubTasksDone* _process_strong_tasks;
58 StrongRootsScope _srs;
59 OopStorage::ParState<false, false> _par_state_string;
60 ShenandoahPhaseTimings::Phase _phase;
61 ParallelCLDRootIterator _cld_iterator;
62 ShenandoahAllCodeRootsIterator _coderoots_all_iterator;
63 CodeBlobClosure* _threads_nmethods_cl;
64 WeakProcessorPhaseTimes _weak_processor_timings;
65 WeakProcessor::Task _weak_processor_task;
66 bool _processed_weak_roots;
67
68 void process_java_roots(OopClosure* scan_non_heap_roots,
69 CLDClosure* scan_strong_clds,
70 CLDClosure* scan_weak_clds,
71 CodeBlobClosure* scan_strong_code,
72 ThreadClosure* thread_cl,
73 uint worker_i);
74
75 void process_vm_roots(OopClosure* scan_non_heap_roots,
76 OopClosure* scan_non_heap_weak_roots,
77 OopClosure* weak_jni_roots,
78 uint worker_i);
79
80 void weak_processor_timing_to_shenandoah_timing(const WeakProcessorPhases::Phase wpp,
81 const ShenandoahPhaseTimings::GCParPhases spp,
82 ShenandoahWorkerTimings* worker_times) const;
83
84 public:
85 ShenandoahRootProcessor(ShenandoahHeap* heap, uint n_workers,
86 ShenandoahPhaseTimings::Phase phase);
87 ~ShenandoahRootProcessor();
88
89 // Apply oops, clds and blobs to all strongly reachable roots in the system
90 void process_strong_roots(OopClosure* oops, OopClosure* weak_oops,
91 CLDClosure* clds,
92 CLDClosure* weak_clds,
93 CodeBlobClosure* blobs,
94 ThreadClosure* thread_cl,
95 uint worker_id);
96
97 // Apply oops, clds and blobs to strongly and weakly reachable roots in the system
98 void process_all_roots(OopClosure* oops, OopClosure* weak_oops,
99 CLDClosure* clds,
100 CodeBlobClosure* blobs,
101 ThreadClosure* thread_cl,
102 uint worker_id);
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