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 #ifndef SHARE_GC_G1_G1EDENREGIONS_HPP
26 #define SHARE_GC_G1_G1EDENREGIONS_HPP
27
28 #include "gc/g1/heapRegion.hpp"
29 #include "runtime/globals.hpp"
30 #include "utilities/debug.hpp"
31
32 class G1EdenRegions {
33 private:
34 int _length;
35 // Sum of used bytes from all retired eden regions.
36 // I.e. updated when mutator regions are retired.
37 volatile size_t _used_bytes;
38
39 public:
40 G1EdenRegions() : _length(0), _used_bytes(0) { }
41
42 void add(HeapRegion* hr) {
43 assert(!hr->is_eden(), "should not already be set");
44 _length++;
45 }
46
47 void clear() { _length = 0; _used_bytes = 0; }
48
49 uint length() const { return _length; }
50
51 size_t used_bytes() const { return _used_bytes; }
52
53 void add_used_bytes(size_t used_bytes) {
54 _used_bytes += used_bytes;
55 }
56 };
57
58 #endif // SHARE_GC_G1_G1EDENREGIONS_HPP
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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 #ifndef SHARE_GC_G1_G1EDENREGIONS_HPP
26 #define SHARE_GC_G1_G1EDENREGIONS_HPP
27
28 #include "gc/g1/g1RegionsOnNodes.hpp"
29 #include "gc/g1/heapRegion.hpp"
30 #include "runtime/globals.hpp"
31 #include "utilities/debug.hpp"
32
33 class G1EdenRegions {
34 private:
35 int _length;
36 // Sum of used bytes from all retired eden regions.
37 // I.e. updated when mutator regions are retired.
38 volatile size_t _used_bytes;
39 G1RegionsOnNodes _regions_on_node;
40
41 public:
42 G1EdenRegions() : _length(0), _used_bytes(0), _regions_on_node() { }
43
44 virtual uint add(HeapRegion* hr) {
45 assert(!hr->is_eden(), "should not already be set");
46 _length++;
47 return _regions_on_node.add(hr);
48 }
49
50 void clear() {
51 _length = 0;
52 _used_bytes = 0;
53 _regions_on_node.clear();
54 }
55
56 uint length() const { return _length; }
57 uint regions_on_node(uint node_index) const { return _regions_on_node.count(node_index); }
58
59 size_t used_bytes() const { return _used_bytes; }
60
61 void add_used_bytes(size_t used_bytes) {
62 _used_bytes += used_bytes;
63 }
64 };
65
66 #endif // SHARE_GC_G1_G1EDENREGIONS_HPP
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