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 #include "precompiled.hpp"
26 #include "gc/g1/concurrentG1Refine.hpp"
27 #include "gc/g1/dirtyCardQueue.hpp"
28 #include "gc/g1/g1BlockOffsetTable.inline.hpp"
29 #include "gc/g1/g1CollectedHeap.inline.hpp"
30 #include "gc/g1/g1FromCardCache.hpp"
31 #include "gc/g1/g1GCPhaseTimes.hpp"
32 #include "gc/g1/g1HotCardCache.hpp"
33 #include "gc/g1/g1OopClosures.inline.hpp"
34 #include "gc/g1/g1RemSet.inline.hpp"
35 #include "gc/g1/g1SATBCardTableModRefBS.inline.hpp"
36 #include "gc/g1/heapRegion.inline.hpp"
37 #include "gc/g1/heapRegionManager.inline.hpp"
38 #include "gc/g1/heapRegionRemSet.hpp"
39 #include "gc/shared/gcTraceTime.inline.hpp"
40 #include "gc/shared/suspendibleThreadSet.hpp"
41 #include "memory/iterator.hpp"
42 #include "memory/resourceArea.hpp"
43 #include "oops/oop.inline.hpp"
44 #include "utilities/align.hpp"
45 #include "utilities/globalDefinitions.hpp"
46 #include "utilities/intHisto.hpp"
47 #include "utilities/stack.inline.hpp"
48
49 // Collects information about the overall remembered set scan progress during an evacuation.
281
282 G1RemSet::G1RemSet(G1CollectedHeap* g1,
283 CardTableModRefBS* ct_bs,
284 G1HotCardCache* hot_card_cache) :
285 _g1(g1),
286 _scan_state(new G1RemSetScanState()),
287 _num_conc_refined_cards(0),
288 _ct_bs(ct_bs),
289 _g1p(_g1->g1_policy()),
290 _hot_card_cache(hot_card_cache),
291 _prev_period_summary() {
292 }
293
294 G1RemSet::~G1RemSet() {
295 if (_scan_state != NULL) {
296 delete _scan_state;
297 }
298 }
299
300 uint G1RemSet::num_par_rem_sets() {
301 return MAX2(DirtyCardQueueSet::num_par_ids() + ConcurrentG1Refine::thread_num(), ParallelGCThreads);
302 }
303
304 void G1RemSet::initialize(size_t capacity, uint max_regions) {
305 G1FromCardCache::initialize(num_par_rem_sets(), max_regions);
306 _scan_state->initialize(max_regions);
307 {
308 GCTraceTime(Debug, gc, marking)("Initialize Card Live Data");
309 _card_live_data.initialize(capacity, max_regions);
310 }
311 if (G1PretouchAuxiliaryMemory) {
312 GCTraceTime(Debug, gc, marking)("Pre-Touch Card Live Data");
313 _card_live_data.pretouch();
314 }
315 }
316
317 G1ScanRSForRegionClosure::G1ScanRSForRegionClosure(G1RemSetScanState* scan_state,
318 G1ScanObjsDuringScanRSClosure* scan_obj_on_card,
319 CodeBlobClosure* code_root_cl,
320 uint worker_i) :
321 _scan_state(scan_state),
|
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 #include "precompiled.hpp"
26 #include "gc/g1/dirtyCardQueue.hpp"
27 #include "gc/g1/g1BlockOffsetTable.inline.hpp"
28 #include "gc/g1/g1CollectedHeap.inline.hpp"
29 #include "gc/g1/g1ConcurrentRefine.hpp"
30 #include "gc/g1/g1FromCardCache.hpp"
31 #include "gc/g1/g1GCPhaseTimes.hpp"
32 #include "gc/g1/g1HotCardCache.hpp"
33 #include "gc/g1/g1OopClosures.inline.hpp"
34 #include "gc/g1/g1RemSet.inline.hpp"
35 #include "gc/g1/g1SATBCardTableModRefBS.inline.hpp"
36 #include "gc/g1/heapRegion.inline.hpp"
37 #include "gc/g1/heapRegionManager.inline.hpp"
38 #include "gc/g1/heapRegionRemSet.hpp"
39 #include "gc/shared/gcTraceTime.inline.hpp"
40 #include "gc/shared/suspendibleThreadSet.hpp"
41 #include "memory/iterator.hpp"
42 #include "memory/resourceArea.hpp"
43 #include "oops/oop.inline.hpp"
44 #include "utilities/align.hpp"
45 #include "utilities/globalDefinitions.hpp"
46 #include "utilities/intHisto.hpp"
47 #include "utilities/stack.inline.hpp"
48
49 // Collects information about the overall remembered set scan progress during an evacuation.
281
282 G1RemSet::G1RemSet(G1CollectedHeap* g1,
283 CardTableModRefBS* ct_bs,
284 G1HotCardCache* hot_card_cache) :
285 _g1(g1),
286 _scan_state(new G1RemSetScanState()),
287 _num_conc_refined_cards(0),
288 _ct_bs(ct_bs),
289 _g1p(_g1->g1_policy()),
290 _hot_card_cache(hot_card_cache),
291 _prev_period_summary() {
292 }
293
294 G1RemSet::~G1RemSet() {
295 if (_scan_state != NULL) {
296 delete _scan_state;
297 }
298 }
299
300 uint G1RemSet::num_par_rem_sets() {
301 return MAX2(DirtyCardQueueSet::num_par_ids() + G1ConcurrentRefine::thread_num(), ParallelGCThreads);
302 }
303
304 void G1RemSet::initialize(size_t capacity, uint max_regions) {
305 G1FromCardCache::initialize(num_par_rem_sets(), max_regions);
306 _scan_state->initialize(max_regions);
307 {
308 GCTraceTime(Debug, gc, marking)("Initialize Card Live Data");
309 _card_live_data.initialize(capacity, max_regions);
310 }
311 if (G1PretouchAuxiliaryMemory) {
312 GCTraceTime(Debug, gc, marking)("Pre-Touch Card Live Data");
313 _card_live_data.pretouch();
314 }
315 }
316
317 G1ScanRSForRegionClosure::G1ScanRSForRegionClosure(G1RemSetScanState* scan_state,
318 G1ScanObjsDuringScanRSClosure* scan_obj_on_card,
319 CodeBlobClosure* code_root_cl,
320 uint worker_i) :
321 _scan_state(scan_state),
|