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_implementation/g1/g1CollectedHeap.inline.hpp"
27 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
28 #include "gc_implementation/g1/g1ParScanThreadState.inline.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "runtime/prefetch.inline.hpp"
31
32 G1ParScanThreadState::G1ParScanThreadState(G1CollectedHeap* g1h, uint queue_num, ReferenceProcessor* rp)
33 : _g1h(g1h),
34 _refs(g1h->task_queue(queue_num)),
35 _dcq(&g1h->dirty_card_queue_set()),
36 _ct_bs(g1h->g1_barrier_set()),
37 _g1_rem(g1h->g1_rem_set()),
38 _hash_seed(17), _queue_num(queue_num),
39 _term_attempts(0),
40 _tenuring_threshold(g1h->g1_policy()->tenuring_threshold()),
41 _age_table(false), _scanner(g1h, rp),
42 _strong_roots_time(0), _term_time(0) {
43 _scanner.set_par_scan_thread_state(this);
44 // we allocate G1YoungSurvRateNumRegions plus one entries, since
45 // we "sacrifice" entry 0 to keep track of surviving bytes for
46 // non-young regions (where the age is -1)
47 // We also add a few elements at the beginning and at the end in
48 // an attempt to eliminate cache contention
49 uint real_length = 1 + _g1h->g1_policy()->young_cset_region_length();
50 uint array_length = PADDING_ELEM_NUM +
|
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_implementation/g1/g1CollectedHeap.inline.hpp"
27 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
28 #include "gc_implementation/g1/g1ParScanThreadState.inline.hpp"
29 #include "gc_implementation/g1/g1StringDedup.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "runtime/prefetch.inline.hpp"
32 #include "utilities/stack.inline.hpp"
33
34 G1ParScanThreadState::G1ParScanThreadState(G1CollectedHeap* g1h, uint queue_num, ReferenceProcessor* rp)
35 : _g1h(g1h),
36 _refs(g1h->task_queue(queue_num)),
37 _dcq(&g1h->dirty_card_queue_set()),
38 _ct_bs(g1h->g1_barrier_set()),
39 _g1_rem(g1h->g1_rem_set()),
40 _hash_seed(17), _queue_num(queue_num),
41 _term_attempts(0),
42 _tenuring_threshold(g1h->g1_policy()->tenuring_threshold()),
43 _age_table(false), _scanner(g1h, rp),
44 _strong_roots_time(0), _term_time(0) {
45 _scanner.set_par_scan_thread_state(this);
46 // we allocate G1YoungSurvRateNumRegions plus one entries, since
47 // we "sacrifice" entry 0 to keep track of surviving bytes for
48 // non-young regions (where the age is -1)
49 // We also add a few elements at the beginning and at the end in
50 // an attempt to eliminate cache contention
51 uint real_length = 1 + _g1h->g1_policy()->young_cset_region_length();
52 uint array_length = PADDING_ELEM_NUM +
|