Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/specialized_oop_closures.cpp
src/share/vm/memory/specialized_oop_closures.cpp
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| 1 /* | |
| 2 * Copyright (c) 2001, 2010, 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 "precompiled.hpp" | |
| 26 #include "memory/specialized_oop_closures.hpp" | |
| 27 #include "utilities/ostream.hpp" | |
| 28 | |
| 29 // For keeping stats on effectiveness. | |
| 30 #ifndef PRODUCT | |
| 31 #if ENABLE_SPECIALIZATION_STATS | |
| 32 | |
| 33 int SpecializationStats::_numCallsAll; | |
| 34 | |
| 35 int SpecializationStats::_numCallsTotal[NUM_Kinds]; | |
| 36 int SpecializationStats::_numCalls_nv[NUM_Kinds]; | |
| 37 | |
| 38 int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds]; | |
| 39 int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds]; | |
| 40 | |
| 41 void SpecializationStats::clear() { | |
| 42 _numCallsAll = 0; | |
| 43 for (int k = ik; k < NUM_Kinds; k++) { | |
| 44 _numCallsTotal[k] = 0; | |
| 45 _numCalls_nv[k] = 0; | |
| 46 | |
| 47 _numDoOopCallsTotal[k] = 0; | |
| 48 _numDoOopCalls_nv[k] = 0; | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 void SpecializationStats::print() { | |
| 53 const char* header_format = " %20s %10s %11s %10s"; | |
| 54 const char* line_format = " %20s %10d %11d %9.2f%%"; | |
| 55 int all_numCallsTotal = | |
| 56 _numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa]; | |
| 57 int all_numCalls_nv = | |
| 58 _numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa]; | |
| 59 gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).", | |
| 60 _numCallsAll, all_numCallsTotal, | |
| 61 100.0 * (float)all_numCallsTotal / (float)_numCallsAll); | |
| 62 // irk calls are double-counted. | |
| 63 int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk]; | |
| 64 int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk]; | |
| 65 gclog_or_tty->print_cr(""); | |
| 66 gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct"); | |
| 67 gclog_or_tty->print_cr(header_format, | |
| 68 "----------", | |
| 69 "----------", | |
| 70 "-----------", | |
| 71 "----------"); | |
| 72 gclog_or_tty->print_cr(line_format, "all", | |
| 73 all_numCallsTotal, | |
| 74 all_numCalls_nv, | |
| 75 100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal); | |
| 76 gclog_or_tty->print_cr(line_format, "ik", | |
| 77 real_ik_numCallsTotal, real_ik_numCalls_nv, | |
| 78 100.0 * (float)real_ik_numCalls_nv / | |
| 79 (float)real_ik_numCallsTotal); | |
| 80 gclog_or_tty->print_cr(line_format, "irk", | |
| 81 _numCallsTotal[irk], _numCalls_nv[irk], | |
| 82 100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]); | |
| 83 gclog_or_tty->print_cr(line_format, "oa", | |
| 84 _numCallsTotal[oa], _numCalls_nv[oa], | |
| 85 100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]); | |
| 86 | |
| 87 | |
| 88 gclog_or_tty->print_cr(""); | |
| 89 gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct"); | |
| 90 gclog_or_tty->print_cr(header_format, | |
| 91 "----------", | |
| 92 "----------", | |
| 93 "-----------", | |
| 94 "----------"); | |
| 95 int all_numDoOopCallsTotal = | |
| 96 _numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa]; | |
| 97 int all_numDoOopCalls_nv = | |
| 98 _numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa]; | |
| 99 gclog_or_tty->print_cr(line_format, "all", | |
| 100 all_numDoOopCallsTotal, all_numDoOopCalls_nv, | |
| 101 100.0 * (float)all_numDoOopCalls_nv / | |
| 102 (float)all_numDoOopCallsTotal); | |
| 103 const char* kind_names[] = { "ik", "irk", "oa" }; | |
| 104 for (int k = ik; k < NUM_Kinds; k++) { | |
| 105 gclog_or_tty->print_cr(line_format, kind_names[k], | |
| 106 _numDoOopCallsTotal[k], _numDoOopCalls_nv[k], | |
| 107 (_numDoOopCallsTotal[k] > 0 ? | |
| 108 100.0 * (float)_numDoOopCalls_nv[k] / | |
| 109 (float)_numDoOopCallsTotal[k] | |
| 110 : 0.0)); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 #endif // ENABLE_SPECIALIZATION_STATS | |
| 115 #endif // !PRODUCT |
