1 /*
2 * Copyright (c) 2001, 2012, 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 *
23 */
24
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_SURVRATEGROUP_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_SURVRATEGROUP_HPP
27
28 #include "utilities/numberSeq.hpp"
29
30 class G1CollectorPolicy;
31
32 class SurvRateGroup : public CHeapObj<mtGC> {
33 private:
34 G1CollectorPolicy* _g1p;
35 const char* _name;
36
37 size_t _stats_arrays_length;
38 double* _surv_rate;
39 double* _accum_surv_rate_pred;
40 double _last_pred;
41 double _accum_surv_rate;
42 TruncatedSeq** _surv_rate_pred;
43 NumberSeq** _summary_surv_rates;
44 size_t _summary_surv_rates_len;
45 size_t _summary_surv_rates_max_len;
46
81 guarantee( seq != NULL, "invariant" );
82 return seq;
83 }
84
85 int next_age_index();
86 int age_in_group(int age_index) {
87 int ret = (int) (_all_regions_allocated - age_index);
88 assert( ret >= 0, "invariant" );
89 return ret;
90 }
91 void finished_recalculating_age_indexes() {
92 _all_regions_allocated = 0;
93 }
94
95 #ifndef PRODUCT
96 void print();
97 void print_surv_rate_summary();
98 #endif // PRODUCT
99 };
100
101 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_SURVRATEGROUP_HPP
|
1 /*
2 * Copyright (c) 2001, 2015, 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 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_SURVRATEGROUP_HPP
26 #define SHARE_VM_GC_G1_SURVRATEGROUP_HPP
27
28 #include "utilities/numberSeq.hpp"
29
30 class G1CollectorPolicy;
31
32 class SurvRateGroup : public CHeapObj<mtGC> {
33 private:
34 G1CollectorPolicy* _g1p;
35 const char* _name;
36
37 size_t _stats_arrays_length;
38 double* _surv_rate;
39 double* _accum_surv_rate_pred;
40 double _last_pred;
41 double _accum_surv_rate;
42 TruncatedSeq** _surv_rate_pred;
43 NumberSeq** _summary_surv_rates;
44 size_t _summary_surv_rates_len;
45 size_t _summary_surv_rates_max_len;
46
81 guarantee( seq != NULL, "invariant" );
82 return seq;
83 }
84
85 int next_age_index();
86 int age_in_group(int age_index) {
87 int ret = (int) (_all_regions_allocated - age_index);
88 assert( ret >= 0, "invariant" );
89 return ret;
90 }
91 void finished_recalculating_age_indexes() {
92 _all_regions_allocated = 0;
93 }
94
95 #ifndef PRODUCT
96 void print();
97 void print_surv_rate_summary();
98 #endif // PRODUCT
99 };
100
101 #endif // SHARE_VM_GC_G1_SURVRATEGROUP_HPP
|