1 /*
2 * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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 *
644 // Sets the "evacuation_failed" property of the region.
645 void set_evacuation_failed(bool b) {
646 _evacuation_failed = b;
647
648 if (b) {
649 _next_marked_bytes = 0;
650 }
651 }
652
653 // Iterate over the objects overlapping part of a card, applying cl
654 // to all references in the region. This is a helper for
655 // G1RemSet::refine_card, and is tightly coupled with it.
656 // mr: the memory region covered by the card, trimmed to the
657 // allocated space for this region. Must not be empty.
658 // This region must be old or humongous.
659 // Returns true if the designated objects were successfully
660 // processed, false if an unparsable part of the heap was
661 // encountered; that only happens when invoked concurrently with the
662 // mutator.
663 bool oops_on_card_seq_iterate_careful(MemRegion mr,
664 FilterOutOfRegionClosure* cl);
665
666 size_t recorded_rs_length() const { return _recorded_rs_length; }
667 double predicted_elapsed_time_ms() const { return _predicted_elapsed_time_ms; }
668
669 void set_recorded_rs_length(size_t rs_length) {
670 _recorded_rs_length = rs_length;
671 }
672
673 void set_predicted_elapsed_time_ms(double ms) {
674 _predicted_elapsed_time_ms = ms;
675 }
676
677 virtual CompactibleSpace* next_compaction_space() const;
678
679 virtual void reset_after_compaction();
680
681 // Routines for managing a list of code roots (attached to the
682 // this region's RSet) that point into this heap region.
683 void add_strong_code_root(nmethod* nm);
684 void add_strong_code_root_locked(nmethod* nm);
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1 /*
2 * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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 *
644 // Sets the "evacuation_failed" property of the region.
645 void set_evacuation_failed(bool b) {
646 _evacuation_failed = b;
647
648 if (b) {
649 _next_marked_bytes = 0;
650 }
651 }
652
653 // Iterate over the objects overlapping part of a card, applying cl
654 // to all references in the region. This is a helper for
655 // G1RemSet::refine_card, and is tightly coupled with it.
656 // mr: the memory region covered by the card, trimmed to the
657 // allocated space for this region. Must not be empty.
658 // This region must be old or humongous.
659 // Returns true if the designated objects were successfully
660 // processed, false if an unparsable part of the heap was
661 // encountered; that only happens when invoked concurrently with the
662 // mutator.
663 bool oops_on_card_seq_iterate_careful(MemRegion mr,
664 G1UpdateRSOrPushRefOopClosure* cl);
665
666 size_t recorded_rs_length() const { return _recorded_rs_length; }
667 double predicted_elapsed_time_ms() const { return _predicted_elapsed_time_ms; }
668
669 void set_recorded_rs_length(size_t rs_length) {
670 _recorded_rs_length = rs_length;
671 }
672
673 void set_predicted_elapsed_time_ms(double ms) {
674 _predicted_elapsed_time_ms = ms;
675 }
676
677 virtual CompactibleSpace* next_compaction_space() const;
678
679 virtual void reset_after_compaction();
680
681 // Routines for managing a list of code roots (attached to the
682 // this region's RSet) that point into this heap region.
683 void add_strong_code_root(nmethod* nm);
684 void add_strong_code_root_locked(nmethod* nm);
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