1 /*
2 * Copyright (c) 2001, 2003, 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 # include "incls/_precompiled.incl"
26 # include "incls/_specialized_oop_closures.cpp.incl"
27
28 // For keeping stats on effectiveness.
29 #ifndef PRODUCT
30 #if ENABLE_SPECIALIZATION_STATS
31
32 int SpecializationStats::_numCallsAll;
33
34 int SpecializationStats::_numCallsTotal[NUM_Kinds];
35 int SpecializationStats::_numCalls_nv[NUM_Kinds];
36
37 int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
38 int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
39
40 void SpecializationStats::clear() {
41 _numCallsAll = 0;
42 for (int k = ik; k < NUM_Kinds; k++) {
43 _numCallsTotal[k] = 0;
44 _numCalls_nv[k] = 0;
45
46 _numDoOopCallsTotal[k] = 0;
47 _numDoOopCalls_nv[k] = 0;
48 }
49 }
50
51 void SpecializationStats::print() {
52 const char* header_format = " %20s %10s %11s %10s";
53 const char* line_format = " %20s %10d %11d %9.2f%%";
54 int all_numCallsTotal =
55 _numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
56 int all_numCalls_nv =
57 _numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
58 gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
59 _numCallsAll, all_numCallsTotal,
60 100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
61 // irk calls are double-counted.
62 int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
63 int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk];
64 gclog_or_tty->print_cr("");
65 gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
66 gclog_or_tty->print_cr(header_format,
67 "----------",
68 "----------",
69 "-----------",
70 "----------");
71 gclog_or_tty->print_cr(line_format, "all",
72 all_numCallsTotal,
73 all_numCalls_nv,
74 100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
75 gclog_or_tty->print_cr(line_format, "ik",
76 real_ik_numCallsTotal, real_ik_numCalls_nv,
77 100.0 * (float)real_ik_numCalls_nv /
78 (float)real_ik_numCallsTotal);
79 gclog_or_tty->print_cr(line_format, "irk",
80 _numCallsTotal[irk], _numCalls_nv[irk],
81 100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
82 gclog_or_tty->print_cr(line_format, "oa",
83 _numCallsTotal[oa], _numCalls_nv[oa],
84 100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
85
86
87 gclog_or_tty->print_cr("");
88 gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
89 gclog_or_tty->print_cr(header_format,
90 "----------",
91 "----------",
92 "-----------",
93 "----------");
94 int all_numDoOopCallsTotal =
95 _numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
96 int all_numDoOopCalls_nv =
97 _numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
98 gclog_or_tty->print_cr(line_format, "all",
99 all_numDoOopCallsTotal, all_numDoOopCalls_nv,
100 100.0 * (float)all_numDoOopCalls_nv /
101 (float)all_numDoOopCallsTotal);
102 const char* kind_names[] = { "ik", "irk", "oa" };
103 for (int k = ik; k < NUM_Kinds; k++) {
104 gclog_or_tty->print_cr(line_format, kind_names[k],
105 _numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
106 (_numDoOopCallsTotal[k] > 0 ?
107 100.0 * (float)_numDoOopCalls_nv[k] /
108 (float)_numDoOopCallsTotal[k]
109 : 0.0));
110 }
111 }
112
113 #endif // ENABLE_SPECIALIZATION_STATS
114 #endif // !PRODUCT