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1 /*
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2 * Copyright 2001-2003 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_specialized_oop_closures.cpp.incl"
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27
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28 // For keeping stats on effectiveness.
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29 #ifndef PRODUCT
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30 #if ENABLE_SPECIALIZATION_STATS
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31
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32 int SpecializationStats::_numCallsAll;
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33
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34 int SpecializationStats::_numCallsTotal[NUM_Kinds];
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35 int SpecializationStats::_numCalls_nv[NUM_Kinds];
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36
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37 int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
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38 int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
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39
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40 void SpecializationStats::clear() {
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41 _numCallsAll = 0;
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42 for (int k = ik; k < NUM_Kinds; k++) {
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43 _numCallsTotal[k] = 0;
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44 _numCalls_nv[k] = 0;
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45
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46 _numDoOopCallsTotal[k] = 0;
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47 _numDoOopCalls_nv[k] = 0;
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48 }
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49 }
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50
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51 void SpecializationStats::print() {
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52 const char* header_format = " %20s %10s %11s %10s";
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53 const char* line_format = " %20s %10d %11d %9.2f%%";
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54 int all_numCallsTotal =
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55 _numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
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56 int all_numCalls_nv =
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57 _numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
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58 gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
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59 _numCallsAll, all_numCallsTotal,
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60 100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
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61 // irk calls are double-counted.
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62 int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
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63 int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk];
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64 gclog_or_tty->print_cr("");
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65 gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
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66 gclog_or_tty->print_cr(header_format,
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67 "----------",
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68 "----------",
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69 "-----------",
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70 "----------");
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71 gclog_or_tty->print_cr(line_format, "all",
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72 all_numCallsTotal,
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73 all_numCalls_nv,
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74 100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
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75 gclog_or_tty->print_cr(line_format, "ik",
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76 real_ik_numCallsTotal, real_ik_numCalls_nv,
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77 100.0 * (float)real_ik_numCalls_nv /
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78 (float)real_ik_numCallsTotal);
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79 gclog_or_tty->print_cr(line_format, "irk",
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80 _numCallsTotal[irk], _numCalls_nv[irk],
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81 100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
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82 gclog_or_tty->print_cr(line_format, "oa",
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83 _numCallsTotal[oa], _numCalls_nv[oa],
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84 100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
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85
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86
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87 gclog_or_tty->print_cr("");
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88 gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
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89 gclog_or_tty->print_cr(header_format,
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90 "----------",
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91 "----------",
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92 "-----------",
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93 "----------");
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94 int all_numDoOopCallsTotal =
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95 _numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
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96 int all_numDoOopCalls_nv =
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97 _numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
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98 gclog_or_tty->print_cr(line_format, "all",
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99 all_numDoOopCallsTotal, all_numDoOopCalls_nv,
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100 100.0 * (float)all_numDoOopCalls_nv /
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101 (float)all_numDoOopCallsTotal);
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102 const char* kind_names[] = { "ik", "irk", "oa" };
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103 for (int k = ik; k < NUM_Kinds; k++) {
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104 gclog_or_tty->print_cr(line_format, kind_names[k],
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105 _numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
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106 (_numDoOopCallsTotal[k] > 0 ?
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107 100.0 * (float)_numDoOopCalls_nv[k] /
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108 (float)_numDoOopCallsTotal[k]
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109 : 0.0));
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110 }
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111 }
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112
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113 #endif // ENABLE_SPECIALIZATION_STATS
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114 #endif // !PRODUCT
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