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 #include "precompiled.hpp"
26
27 #include "classfile/stringTable.hpp"
28 #include "classfile/systemDictionary.hpp"
29 #include "code/codeCache.hpp"
30 #include "gc_implementation/g1/bufferingOopClosure.hpp"
31 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
32 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
33 #include "gc_implementation/g1/g1GCPhaseTimes.hpp"
34 #include "gc_implementation/g1/g1RemSet.inline.hpp"
35 #include "gc_implementation/g1/g1RootProcessor.hpp"
36 #include "memory/allocation.inline.hpp"
37 #include "runtime/fprofiler.hpp"
38 #include "runtime/mutex.hpp"
39 #include "services/management.hpp"
40
41 class G1CodeBlobClosure : public CodeBlobClosure {
42 class HeapRegionGatheringOopClosure : public OopClosure {
43 G1CollectedHeap* _g1h;
44 OopClosure* _work;
45 nmethod* _nm;
46
47 template <typename T>
48 void do_oop_work(T* p) {
49 _work->do_oop(p);
50 T oop_or_narrowoop = oopDesc::load_heap_oop(p);
51 if (!oopDesc::is_null(oop_or_narrowoop)) {
52 oop o = oopDesc::decode_heap_oop_not_null(oop_or_narrowoop);
184 }
185
186 // Finish up any enqueued closure apps (attributed as object copy time).
187 buf_scan_non_heap_roots.done();
188 buf_scan_non_heap_weak_roots.done();
189
190 double obj_copy_time_sec = buf_scan_non_heap_roots.closure_app_seconds()
191 + buf_scan_non_heap_weak_roots.closure_app_seconds();
192
193 phase_times->record_time_secs(G1GCPhaseTimes::ObjCopy, worker_i, obj_copy_time_sec);
194
195 double ext_root_time_sec = os::elapsedTime() - ext_roots_start - obj_copy_time_sec;
196
197 phase_times->record_time_secs(G1GCPhaseTimes::ExtRootScan, worker_i, ext_root_time_sec);
198
199 // During conc marking we have to filter the per-thread SATB buffers
200 // to make sure we remove any oops into the CSet (which will show up
201 // as implicitly live).
202 {
203 G1GCParPhaseTimesTracker x(phase_times, G1GCPhaseTimes::SATBFiltering, worker_i);
204 if (!_process_strong_tasks->is_task_claimed(G1RP_PS_filter_satb_buffers) && _g1h->mark_in_progress()) {
205 JavaThread::satb_mark_queue_set().filter_thread_buffers();
206 }
207 }
208
209 _process_strong_tasks->all_tasks_completed();
210 }
211
212 void G1RootProcessor::process_strong_roots(OopClosure* oops,
213 CLDClosure* clds,
214 CodeBlobClosure* blobs) {
215
216 process_java_roots(oops, clds, clds, NULL, blobs, NULL, 0);
217 process_vm_roots(oops, NULL, NULL, 0);
218
219 _process_strong_tasks->all_tasks_completed();
220 }
221
222 void G1RootProcessor::process_all_roots(OopClosure* oops,
223 CLDClosure* clds,
224 CodeBlobClosure* blobs) {
|
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 #include "precompiled.hpp"
26
27 #include "classfile/stringTable.hpp"
28 #include "classfile/systemDictionary.hpp"
29 #include "code/codeCache.hpp"
30 #include "gc_implementation/g1/bufferingOopClosure.hpp"
31 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
32 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
33 #include "gc_implementation/g1/g1CollectorState.hpp"
34 #include "gc_implementation/g1/g1GCPhaseTimes.hpp"
35 #include "gc_implementation/g1/g1RemSet.inline.hpp"
36 #include "gc_implementation/g1/g1RootProcessor.hpp"
37 #include "memory/allocation.inline.hpp"
38 #include "runtime/fprofiler.hpp"
39 #include "runtime/mutex.hpp"
40 #include "services/management.hpp"
41
42 class G1CodeBlobClosure : public CodeBlobClosure {
43 class HeapRegionGatheringOopClosure : public OopClosure {
44 G1CollectedHeap* _g1h;
45 OopClosure* _work;
46 nmethod* _nm;
47
48 template <typename T>
49 void do_oop_work(T* p) {
50 _work->do_oop(p);
51 T oop_or_narrowoop = oopDesc::load_heap_oop(p);
52 if (!oopDesc::is_null(oop_or_narrowoop)) {
53 oop o = oopDesc::decode_heap_oop_not_null(oop_or_narrowoop);
185 }
186
187 // Finish up any enqueued closure apps (attributed as object copy time).
188 buf_scan_non_heap_roots.done();
189 buf_scan_non_heap_weak_roots.done();
190
191 double obj_copy_time_sec = buf_scan_non_heap_roots.closure_app_seconds()
192 + buf_scan_non_heap_weak_roots.closure_app_seconds();
193
194 phase_times->record_time_secs(G1GCPhaseTimes::ObjCopy, worker_i, obj_copy_time_sec);
195
196 double ext_root_time_sec = os::elapsedTime() - ext_roots_start - obj_copy_time_sec;
197
198 phase_times->record_time_secs(G1GCPhaseTimes::ExtRootScan, worker_i, ext_root_time_sec);
199
200 // During conc marking we have to filter the per-thread SATB buffers
201 // to make sure we remove any oops into the CSet (which will show up
202 // as implicitly live).
203 {
204 G1GCParPhaseTimesTracker x(phase_times, G1GCPhaseTimes::SATBFiltering, worker_i);
205 if (!_process_strong_tasks->is_task_claimed(G1RP_PS_filter_satb_buffers) && _g1h->collector_state()->mark_in_progress()) {
206 JavaThread::satb_mark_queue_set().filter_thread_buffers();
207 }
208 }
209
210 _process_strong_tasks->all_tasks_completed();
211 }
212
213 void G1RootProcessor::process_strong_roots(OopClosure* oops,
214 CLDClosure* clds,
215 CodeBlobClosure* blobs) {
216
217 process_java_roots(oops, clds, clds, NULL, blobs, NULL, 0);
218 process_vm_roots(oops, NULL, NULL, 0);
219
220 _process_strong_tasks->all_tasks_completed();
221 }
222
223 void G1RootProcessor::process_all_roots(OopClosure* oops,
224 CLDClosure* clds,
225 CodeBlobClosure* blobs) {
|