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annotate src/share/vm/services/memSnapshot.cpp @ 6977:ed8b1e39ff4f

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8002273: NMT to report JNI memory leaks when -Xcheck:jni is on Summary: Allows NMT to report that JNI thread failed to detach from JVM before exiting, which leaks the JavaThread object when check:jni option is on. Reviewed-by: acorn, dholmes, coleenp, ctornqvi
author zgu
date Fri, 09 Nov 2012 11:04:06 -0500
parents 69ad7823b1ca
children 8c413497f434
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6197
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "runtime/mutexLocker.hpp"
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27 #include "utilities/decoder.hpp"
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28 #include "services/memBaseline.hpp"
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29 #include "services/memPtr.hpp"
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30 #include "services/memPtrArray.hpp"
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31 #include "services/memSnapshot.hpp"
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32 #include "services/memTracker.hpp"
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33
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34 #ifdef ASSERT
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35
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36 void decode_pointer_record(MemPointerRecord* rec) {
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37 tty->print("Pointer: [" PTR_FORMAT " - " PTR_FORMAT "] size = %d bytes", rec->addr(),
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38 rec->addr() + rec->size(), (int)rec->size());
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39 tty->print(" type = %s", MemBaseline::type2name(FLAGS_TO_MEMORY_TYPE(rec->flags())));
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40 if (rec->is_vm_pointer()) {
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41 if (rec->is_allocation_record()) {
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42 tty->print_cr(" (reserve)");
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43 } else if (rec->is_commit_record()) {
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44 tty->print_cr(" (commit)");
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45 } else if (rec->is_uncommit_record()) {
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46 tty->print_cr(" (uncommit)");
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47 } else if (rec->is_deallocation_record()) {
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48 tty->print_cr(" (release)");
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49 } else {
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50 tty->print_cr(" (tag)");
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51 }
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52 } else {
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53 if (rec->is_arena_size_record()) {
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54 tty->print_cr(" (arena size)");
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55 } else if (rec->is_allocation_record()) {
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56 tty->print_cr(" (malloc)");
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57 } else {
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58 tty->print_cr(" (free)");
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59 }
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60 }
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61 if (MemTracker::track_callsite()) {
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62 char buf[1024];
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63 address pc = ((MemPointerRecordEx*)rec)->pc();
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64 if (pc != NULL && os::dll_address_to_function_name(pc, buf, sizeof(buf), NULL)) {
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65 tty->print_cr("\tfrom %s", buf);
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66 } else {
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67 tty->print_cr("\tcould not decode pc = " PTR_FORMAT "", pc);
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68 }
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69 }
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70 }
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71
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72 void decode_vm_region_record(VMMemRegion* rec) {
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73 tty->print("VM Region [" PTR_FORMAT " - " PTR_FORMAT "]", rec->addr(),
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74 rec->addr() + rec->size());
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75 tty->print(" type = %s", MemBaseline::type2name(FLAGS_TO_MEMORY_TYPE(rec->flags())));
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76 if (rec->is_allocation_record()) {
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77 tty->print_cr(" (reserved)");
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78 } else if (rec->is_commit_record()) {
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79 tty->print_cr(" (committed)");
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80 } else {
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81 ShouldNotReachHere();
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82 }
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83 if (MemTracker::track_callsite()) {
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84 char buf[1024];
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85 address pc = ((VMMemRegionEx*)rec)->pc();
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86 if (pc != NULL && os::dll_address_to_function_name(pc, buf, sizeof(buf), NULL)) {
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87 tty->print_cr("\tfrom %s", buf);
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88 } else {
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89 tty->print_cr("\tcould not decode pc = " PTR_FORMAT "", pc);
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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
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95 #endif
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96
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97
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98 bool VMMemPointerIterator::insert_record(MemPointerRecord* rec) {
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99 VMMemRegionEx new_rec;
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100 assert(rec->is_allocation_record() || rec->is_commit_record(),
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101 "Sanity check");
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102 if (MemTracker::track_callsite()) {
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103 new_rec.init((MemPointerRecordEx*)rec);
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104 } else {
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105 new_rec.init(rec);
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106 }
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107 return insert(&new_rec);
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108 }
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109
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110 bool VMMemPointerIterator::insert_record_after(MemPointerRecord* rec) {
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111 VMMemRegionEx new_rec;
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112 assert(rec->is_allocation_record() || rec->is_commit_record(),
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113 "Sanity check");
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114 if (MemTracker::track_callsite()) {
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115 new_rec.init((MemPointerRecordEx*)rec);
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116 } else {
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117 new_rec.init(rec);
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118 }
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119 return insert_after(&new_rec);
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120 }
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121
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122 // we don't consolidate reserved regions, since they may be categorized
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123 // in different types.
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124 bool VMMemPointerIterator::add_reserved_region(MemPointerRecord* rec) {
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125 assert(rec->is_allocation_record(), "Sanity check");
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126 VMMemRegion* reserved_region = (VMMemRegion*)current();
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127
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128 // we don't have anything yet
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129 if (reserved_region == NULL) {
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130 return insert_record(rec);
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131 }
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132
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133 assert(reserved_region->is_reserved_region(), "Sanity check");
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134 // duplicated records
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135 if (reserved_region->is_same_region(rec)) {
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136 return true;
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137 }
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138 // Overlapping stack regions indicate that a JNI thread failed to
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139 // detach from the VM before exiting. This leaks the JavaThread object.
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140 if (CheckJNICalls) {
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141 guarantee(FLAGS_TO_MEMORY_TYPE(reserved_region->flags()) != mtThreadStack ||
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142 !reserved_region->overlaps_region(rec),
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143 "Attached JNI thread exited without being detached");
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144 }
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145 // otherwise, we should not have overlapping reserved regions
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146 assert(FLAGS_TO_MEMORY_TYPE(reserved_region->flags()) == mtThreadStack ||
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147 reserved_region->base() > rec->addr(), "Just check: locate()");
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148 assert(FLAGS_TO_MEMORY_TYPE(reserved_region->flags()) == mtThreadStack ||
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149 !reserved_region->overlaps_region(rec), "overlapping reserved regions");
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150
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151 return insert_record(rec);
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152 }
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153
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154 // we do consolidate committed regions
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155 bool VMMemPointerIterator::add_committed_region(MemPointerRecord* rec) {
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156 assert(rec->is_commit_record(), "Sanity check");
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157 VMMemRegion* reserved_rgn = (VMMemRegion*)current();
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158 assert(reserved_rgn->is_reserved_region() && reserved_rgn->contains_region(rec),
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159 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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160
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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161 // thread's native stack is always marked as "committed", ignore
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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162 // the "commit" operation for creating stack guard pages
6937
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163 if (FLAGS_TO_MEMORY_TYPE(reserved_rgn->flags()) == mtThreadStack &&
6882
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164 FLAGS_TO_MEMORY_TYPE(rec->flags()) != mtThreadStack) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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165 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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166 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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167
6937
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168 // if the reserved region has any committed regions
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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169 VMMemRegion* committed_rgn = (VMMemRegion*)next();
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170 while (committed_rgn != NULL && committed_rgn->is_committed_region()) {
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171 // duplicated commit records
6937
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diff changeset
172 if(committed_rgn->contains_region(rec)) {
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173 return true;
6937
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174 } else if (committed_rgn->overlaps_region(rec)) {
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175 // overlaps front part
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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176 if (rec->addr() < committed_rgn->addr()) {
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177 committed_rgn->expand_region(rec->addr(),
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178 committed_rgn->addr() - rec->addr());
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179 } else {
6937
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180 // overlaps tail part
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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181 address committed_rgn_end = committed_rgn->addr() +
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182 committed_rgn->size();
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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183 assert(committed_rgn_end < rec->addr() + rec->size(),
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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184 "overlap tail part");
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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185 committed_rgn->expand_region(committed_rgn_end,
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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186 (rec->addr() + rec->size()) - committed_rgn_end);
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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187 }
6937
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188 } else if (committed_rgn->base() + committed_rgn->size() == rec->addr()) {
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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189 // adjunct each other
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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190 committed_rgn->expand_region(rec->addr(), rec->size());
6882
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191 VMMemRegion* next_reg = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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192 // see if we can consolidate next committed region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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193 if (next_reg != NULL && next_reg->is_committed_region() &&
6937
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194 next_reg->base() == committed_rgn->base() + committed_rgn->size()) {
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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diff changeset
195 committed_rgn->expand_region(next_reg->base(), next_reg->size());
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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196 // delete merged region
6882
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197 remove();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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198 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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199 return true;
6937
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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diff changeset
200 } else if (committed_rgn->base() > rec->addr()) {
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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diff changeset
201 // found the location, insert this committed region
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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diff changeset
202 return insert_record(rec);
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
203 }
6937
69ad7823b1ca 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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diff changeset
204 committed_rgn = (VMMemRegion*)next();
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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205 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
206 return insert_record(rec);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
207 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
208
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
209 bool VMMemPointerIterator::remove_uncommitted_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
210 assert(rec->is_uncommit_record(), "sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
211 VMMemRegion* cur;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
212 cur = (VMMemRegion*)current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
213 assert(cur->is_reserved_region() && cur->contains_region(rec),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
214 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
215 // thread's native stack is always marked as "committed", ignore
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
216 // the "commit" operation for creating stack guard pages
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
217 if (FLAGS_TO_MEMORY_TYPE(cur->flags()) == mtThreadStack &&
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
218 FLAGS_TO_MEMORY_TYPE(rec->flags()) != mtThreadStack) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
219 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
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diff changeset
220 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
221
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
222 cur = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
223 while (cur != NULL && cur->is_committed_region()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
224 // region already uncommitted, must be due to duplicated record
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
225 if (cur->addr() >= rec->addr() + rec->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
226 break;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
227 } else if (cur->contains_region(rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
228 // uncommit whole region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
229 if (cur->is_same_region(rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
230 remove();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
231 break;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
232 } else if (rec->addr() == cur->addr() ||
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
233 rec->addr() + rec->size() == cur->addr() + cur->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
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diff changeset
234 // uncommitted from either end of current memory region.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
235 cur->exclude_region(rec->addr(), rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
236 break;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
237 } else { // split the committed region and release the middle
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
238 address high_addr = cur->addr() + cur->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
239 size_t sz = high_addr - rec->addr();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
240 cur->exclude_region(rec->addr(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
241 sz = high_addr - (rec->addr() + rec->size());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
242 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
243 MemPointerRecordEx tmp(rec->addr() + rec->size(), cur->flags(), sz,
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
244 ((VMMemRegionEx*)cur)->pc());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
245 return insert_record_after(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
246 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
247 MemPointerRecord tmp(rec->addr() + rec->size(), cur->flags(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
248 return insert_record_after(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
249 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
250 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
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diff changeset
251 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
252 cur = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
253 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
254
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
255 // we may not find committed record due to duplicated records
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
256 return true;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
257 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
258
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
259 bool VMMemPointerIterator::remove_released_region(MemPointerRecord* rec) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
260 assert(rec->is_deallocation_record(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
261 VMMemRegion* cur = (VMMemRegion*)current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
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diff changeset
262 assert(cur->is_reserved_region() && cur->contains_region(rec),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
263 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
264 #ifdef ASSERT
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
265 VMMemRegion* next_reg = (VMMemRegion*)peek_next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
266 // should not have any committed memory in this reserved region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
267 assert(next_reg == NULL || !next_reg->is_committed_region(), "Sanity check");
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268 #endif
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diff changeset
269 if (rec->is_same_region(cur)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
270 remove();
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diff changeset
271 } else if (rec->addr() == cur->addr() ||
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
272 rec->addr() + rec->size() == cur->addr() + cur->size()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
273 // released region is at either end of this region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
274 cur->exclude_region(rec->addr(), rec->size());
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diff changeset
275 } else { // split the reserved region and release the middle
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
276 address high_addr = cur->addr() + cur->size();
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diff changeset
277 size_t sz = high_addr - rec->addr();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
278 cur->exclude_region(rec->addr(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
279 sz = high_addr - rec->addr() - rec->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
280 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
281 MemPointerRecordEx tmp(rec->addr() + rec->size(), cur->flags(), sz,
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
282 ((VMMemRegionEx*)cur)->pc());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
283 return insert_reserved_region(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
284 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
285 MemPointerRecord tmp(rec->addr() + rec->size(), cur->flags(), sz);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
286 return insert_reserved_region(&tmp);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
287 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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288 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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289 return true;
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290 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
291
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
292 bool VMMemPointerIterator::insert_reserved_region(MemPointerRecord* rec) {
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293 // skip all 'commit' records associated with previous reserved region
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294 VMMemRegion* p = (VMMemRegion*)next();
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295 while (p != NULL && p->is_committed_region() &&
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
296 p->base() + p->size() < rec->addr()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
297 p = (VMMemRegion*)next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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298 }
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299 return insert_record(rec);
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300 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
301
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302 bool VMMemPointerIterator::split_reserved_region(VMMemRegion* rgn, address new_rgn_addr, size_t new_rgn_size) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
303 assert(rgn->contains_region(new_rgn_addr, new_rgn_size), "Not fully contained");
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304 address pc = (MemTracker::track_callsite() ? ((VMMemRegionEx*)rgn)->pc() : NULL);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
305 if (rgn->base() == new_rgn_addr) { // new region is at the beginning of the region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
306 size_t sz = rgn->size() - new_rgn_size;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
307 // the original region becomes 'new' region
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diff changeset
308 rgn->exclude_region(new_rgn_addr + new_rgn_size, sz);
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diff changeset
309 // remaining becomes next region
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diff changeset
310 MemPointerRecordEx next_rgn(new_rgn_addr + new_rgn_size, rgn->flags(), sz, pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
311 return insert_reserved_region(&next_rgn);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
312 } else if (rgn->base() + rgn->size() == new_rgn_addr + new_rgn_size) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
313 rgn->exclude_region(new_rgn_addr, new_rgn_size);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
314 MemPointerRecordEx next_rgn(new_rgn_addr, rgn->flags(), new_rgn_size, pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
315 return insert_reserved_region(&next_rgn);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
316 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
317 // the orginal region will be split into three
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
318 address rgn_high_addr = rgn->base() + rgn->size();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
319 // first region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
320 rgn->exclude_region(new_rgn_addr, (rgn_high_addr - new_rgn_addr));
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
321 // the second region is the new region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
322 MemPointerRecordEx new_rgn(new_rgn_addr, rgn->flags(), new_rgn_size, pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
323 if (!insert_reserved_region(&new_rgn)) return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
324 // the remaining region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
325 MemPointerRecordEx rem_rgn(new_rgn_addr + new_rgn_size, rgn->flags(),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
326 rgn_high_addr - (new_rgn_addr + new_rgn_size), pc);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
327 return insert_reserved_region(&rem_rgn);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
328 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
329 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
330
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
331 static int sort_in_seq_order(const void* p1, const void* p2) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
332 assert(p1 != NULL && p2 != NULL, "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
333 const MemPointerRecord* mp1 = (MemPointerRecord*)p1;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
334 const MemPointerRecord* mp2 = (MemPointerRecord*)p2;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
335 return (mp1->seq() - mp2->seq());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
336 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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diff changeset
337
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
338 bool StagingArea::init() {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
339 if (MemTracker::track_callsite()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
340 _malloc_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecordEx>();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
341 _vm_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecordEx>();
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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parents:
diff changeset
342 } else {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
343 _malloc_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecord>();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
344 _vm_data = new (std::nothrow)MemPointerArrayImpl<SeqMemPointerRecord>();
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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parents:
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345 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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diff changeset
346
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
347 if (_malloc_data != NULL && _vm_data != NULL &&
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
348 !_malloc_data->out_of_memory() &&
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
349 !_vm_data->out_of_memory()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
350 return true;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
351 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
352 if (_malloc_data != NULL) delete _malloc_data;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
353 if (_vm_data != NULL) delete _vm_data;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
354 _malloc_data = NULL;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
355 _vm_data = NULL;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
356 return false;
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
357 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
358 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
359
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
360
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
361 VMRecordIterator StagingArea::virtual_memory_record_walker() {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
362 MemPointerArray* arr = vm_data();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
363 // sort into seq number order
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
364 arr->sort((FN_SORT)sort_in_seq_order);
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
365 return VMRecordIterator(arr);
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
366 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
367
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
368
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
369 MemSnapshot::MemSnapshot() {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
370 if (MemTracker::track_callsite()) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
371 _alloc_ptrs = new (std::nothrow) MemPointerArrayImpl<MemPointerRecordEx>();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
372 _vm_ptrs = new (std::nothrow)MemPointerArrayImpl<VMMemRegionEx>(64, true);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
373 } else {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
374 _alloc_ptrs = new (std::nothrow) MemPointerArrayImpl<MemPointerRecord>();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
375 _vm_ptrs = new (std::nothrow)MemPointerArrayImpl<VMMemRegion>(64, true);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
376 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
377
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
378 _staging_area.init();
6232
f1f45dddb0bd 7181986: NMT ON: Assertion failure when running jdi ExpiredRequestDeletionTest
zgu
parents: 6197
diff changeset
379 _lock = new (std::nothrow) Mutex(Monitor::max_nonleaf - 1, "memSnapshotLock");
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
380 NOT_PRODUCT(_untracked_count = 0;)
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
381 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
382
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
383 MemSnapshot::~MemSnapshot() {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
384 assert(MemTracker::shutdown_in_progress(), "native memory tracking still on");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
385 {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
386 MutexLockerEx locker(_lock);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
387 if (_alloc_ptrs != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
388 delete _alloc_ptrs;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
389 _alloc_ptrs = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
390 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
391
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
392 if (_vm_ptrs != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
393 delete _vm_ptrs;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
394 _vm_ptrs = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
395 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
396 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
397
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
398 if (_lock != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
399 delete _lock;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
400 _lock = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
401 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
402 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
403
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
404 void MemSnapshot::copy_pointer(MemPointerRecord* dest, const MemPointerRecord* src) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
405 assert(dest != NULL && src != NULL, "Just check");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
406 assert(dest->addr() == src->addr(), "Just check");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
407
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
408 MEMFLAGS flags = dest->flags();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
409
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
410 if (MemTracker::track_callsite()) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
411 *(MemPointerRecordEx*)dest = *(MemPointerRecordEx*)src;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
412 } else {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
413 *dest = *src;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
414 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
415 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
416
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
417
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
418 // merge a per-thread memory recorder to the staging area
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
419 bool MemSnapshot::merge(MemRecorder* rec) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
420 assert(rec != NULL && !rec->out_of_memory(), "Just check");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
421
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
422 SequencedRecordIterator itr(rec->pointer_itr());
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
423
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
424 MutexLockerEx lock(_lock, true);
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
425 MemPointerIterator malloc_staging_itr(_staging_area.malloc_data());
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
426 MemPointerRecord *p1, *p2;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
427 p1 = (MemPointerRecord*) itr.current();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
428 while (p1 != NULL) {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
429 if (p1->is_vm_pointer()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
430 // we don't do anything with virtual memory records during merge
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
431 if (!_staging_area.vm_data()->append(p1)) {
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
432 return false;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
433 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
434 } else {
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
435 // locate matched record and/or also position the iterator to proper
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
436 // location for this incoming record.
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
437 p2 = (MemPointerRecord*)malloc_staging_itr.locate(p1->addr());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
438 // we have not seen this memory block, so just add to staging area
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
439 if (p2 == NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
440 if (!malloc_staging_itr.insert(p1)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
441 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
442 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
443 } else if (p1->addr() == p2->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
444 MemPointerRecord* staging_next = (MemPointerRecord*)malloc_staging_itr.peek_next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
445 // a memory block can have many tagging records, find right one to replace or
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
446 // right position to insert
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
447 while (staging_next != NULL && staging_next->addr() == p1->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
448 if ((staging_next->flags() & MemPointerRecord::tag_masks) <=
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
449 (p1->flags() & MemPointerRecord::tag_masks)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
450 p2 = (MemPointerRecord*)malloc_staging_itr.next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
451 staging_next = (MemPointerRecord*)malloc_staging_itr.peek_next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
452 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
453 break;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
454 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
455 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
456 int df = (p1->flags() & MemPointerRecord::tag_masks) -
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
457 (p2->flags() & MemPointerRecord::tag_masks);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
458 if (df == 0) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
459 assert(p1->seq() > 0, "not sequenced");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
460 assert(p2->seq() > 0, "not sequenced");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
461 if (p1->seq() > p2->seq()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
462 copy_pointer(p2, p1);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
463 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
464 } else if (df < 0) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
465 if (!malloc_staging_itr.insert(p1)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
466 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
467 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
468 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
469 if (!malloc_staging_itr.insert_after(p1)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
470 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
471 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
472 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
473 } else if (p1->addr() < p2->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
474 if (!malloc_staging_itr.insert(p1)) {
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
475 return false;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
476 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
477 } else {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
478 if (!malloc_staging_itr.insert_after(p1)) {
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
479 return false;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
480 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
481 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
482 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
483 p1 = (MemPointerRecord*)itr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
484 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
485 NOT_PRODUCT(void check_staging_data();)
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
486 return true;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
487 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
488
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
489
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
490
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
491 // promote data to next generation
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
492 bool MemSnapshot::promote() {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
493 assert(_alloc_ptrs != NULL && _vm_ptrs != NULL, "Just check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
494 assert(_staging_area.malloc_data() != NULL && _staging_area.vm_data() != NULL,
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
495 "Just check");
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
496 MutexLockerEx lock(_lock, true);
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
497
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
498 MallocRecordIterator malloc_itr = _staging_area.malloc_record_walker();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
499 bool promoted = false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
500 if (promote_malloc_records(&malloc_itr)) {
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
501 VMRecordIterator vm_itr = _staging_area.virtual_memory_record_walker();
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
502 if (promote_virtual_memory_records(&vm_itr)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
503 promoted = true;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
504 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
505 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
506
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
507 NOT_PRODUCT(check_malloc_pointers();)
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
508 _staging_area.clear();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
509 return promoted;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
510 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
511
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
512 bool MemSnapshot::promote_malloc_records(MemPointerArrayIterator* itr) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
513 MemPointerIterator malloc_snapshot_itr(_alloc_ptrs);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
514 MemPointerRecord* new_rec = (MemPointerRecord*)itr->current();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
515 MemPointerRecord* matched_rec;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
516 while (new_rec != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
517 matched_rec = (MemPointerRecord*)malloc_snapshot_itr.locate(new_rec->addr());
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
518 // found matched memory block
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
519 if (matched_rec != NULL && new_rec->addr() == matched_rec->addr()) {
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
520 // snapshot already contains 'live' records
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
521 assert(matched_rec->is_allocation_record() || matched_rec->is_arena_size_record(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
522 "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
523 // update block states
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
524 if (new_rec->is_allocation_record() || new_rec->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
525 copy_pointer(matched_rec, new_rec);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
526 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
527 // a deallocation record
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
528 assert(new_rec->is_deallocation_record(), "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
529 // an arena record can be followed by a size record, we need to remove both
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
530 if (matched_rec->is_arena_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
531 MemPointerRecord* next = (MemPointerRecord*)malloc_snapshot_itr.peek_next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
532 if (next->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
533 // it has to match the arena record
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
534 assert(next->is_size_record_of_arena(matched_rec), "Sanity check");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
535 malloc_snapshot_itr.remove();
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
536 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
537 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
538 // the memory is deallocated, remove related record(s)
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
539 malloc_snapshot_itr.remove();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
540 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
541 } else {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
542 // it is a new record, insert into snapshot
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
543 if (new_rec->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
544 MemPointerRecord* prev = (MemPointerRecord*)malloc_snapshot_itr.peek_prev();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
545 if (prev == NULL || !prev->is_arena_record() || !new_rec->is_size_record_of_arena(prev)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
546 // no matched arena record, ignore the size record
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
547 new_rec = NULL;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
548 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
549 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
550 // only 'live' record can go into snapshot
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
551 if (new_rec != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
552 if (new_rec->is_allocation_record() || new_rec->is_arena_size_record()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
553 if (matched_rec != NULL && new_rec->addr() > matched_rec->addr()) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
554 if (!malloc_snapshot_itr.insert_after(new_rec)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
555 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
556 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
557 } else {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
558 if (!malloc_snapshot_itr.insert(new_rec)) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
559 return false;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
560 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
561 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
562 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
563 #ifndef PRODUCT
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
564 else if (!has_allocation_record(new_rec->addr())) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
565 // NMT can not track some startup memory, which is allocated before NMT is on
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
566 _untracked_count ++;
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
567 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
568 #endif
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
569 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
570 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
571 new_rec = (MemPointerRecord*)itr->next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
572 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
573 return true;
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
574 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
575
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
576 bool MemSnapshot::promote_virtual_memory_records(MemPointerArrayIterator* itr) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
577 VMMemPointerIterator vm_snapshot_itr(_vm_ptrs);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
578 MemPointerRecord* new_rec = (MemPointerRecord*)itr->current();
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
579 VMMemRegion* reserved_rec;
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
580 while (new_rec != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
581 assert(new_rec->is_vm_pointer(), "Sanity check");
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
582
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
583 // locate a reserved region that contains the specified address, or
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
584 // the nearest reserved region has base address just above the specified
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
585 // address
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
586 reserved_rec = (VMMemRegion*)vm_snapshot_itr.locate(new_rec->addr());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
587 if (reserved_rec != NULL && reserved_rec->contains_region(new_rec)) {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
588 // snapshot can only have 'live' records
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
589 assert(reserved_rec->is_reserved_region(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
590 if (new_rec->is_allocation_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
591 if (!reserved_rec->is_same_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
592 // only deal with split a bigger reserved region into smaller regions.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
593 // So far, CDS is the only use case.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
594 if (!vm_snapshot_itr.split_reserved_region(reserved_rec, new_rec->addr(), new_rec->size())) {
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
595 return false;
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
596 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
597 }
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
598 } else if (new_rec->is_uncommit_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
599 if (!vm_snapshot_itr.remove_uncommitted_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
600 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
601 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
602 } else if (new_rec->is_commit_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
603 // insert or expand existing committed region to cover this
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
604 // newly committed region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
605 if (!vm_snapshot_itr.add_committed_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
606 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
607 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
608 } else if (new_rec->is_deallocation_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
609 // release part or all memory region
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
610 if (!vm_snapshot_itr.remove_released_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
611 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
612 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
613 } else if (new_rec->is_type_tagging_record()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
614 // tag this reserved virtual memory range to a memory type. Can not re-tag a memory range
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
615 // to different type.
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
616 assert(FLAGS_TO_MEMORY_TYPE(reserved_rec->flags()) == mtNone ||
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
617 FLAGS_TO_MEMORY_TYPE(reserved_rec->flags()) == FLAGS_TO_MEMORY_TYPE(new_rec->flags()),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
618 "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
619 reserved_rec->tag(new_rec->flags());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
620 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
621 ShouldNotReachHere();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
622 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
623 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
624 /*
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
625 * The assertion failure indicates mis-matched virtual memory records. The likely
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
626 * scenario is, that some virtual memory operations are not going through os::xxxx_memory()
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
627 * api, which have to be tracked manually. (perfMemory is an example).
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
628 */
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
629 assert(new_rec->is_allocation_record(), "Sanity check");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
630 if (!vm_snapshot_itr.add_reserved_region(new_rec)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
631 return false;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
632 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
633 }
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
634 new_rec = (MemPointerRecord*)itr->next();
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
635 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
636 return true;
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
637 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
638
6607
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
zgu
parents: 6599
diff changeset
639 #ifndef PRODUCT
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
640 void MemSnapshot::print_snapshot_stats(outputStream* st) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
641 st->print_cr("Snapshot:");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
642 st->print_cr("\tMalloced: %d/%d [%5.2f%%] %dKB", _alloc_ptrs->length(), _alloc_ptrs->capacity(),
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
643 (100.0 * (float)_alloc_ptrs->length()) / (float)_alloc_ptrs->capacity(), _alloc_ptrs->instance_size()/K);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
644
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
645 st->print_cr("\tVM: %d/%d [%5.2f%%] %dKB", _vm_ptrs->length(), _vm_ptrs->capacity(),
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
646 (100.0 * (float)_vm_ptrs->length()) / (float)_vm_ptrs->capacity(), _vm_ptrs->instance_size()/K);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
647
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
648 st->print_cr("\tMalloc staging Area: %d/%d [%5.2f%%] %dKB", _staging_area.malloc_data()->length(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
649 _staging_area.malloc_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
650 (100.0 * (float)_staging_area.malloc_data()->length()) / (float)_staging_area.malloc_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
651 _staging_area.malloc_data()->instance_size()/K);
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
652
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
653 st->print_cr("\tVirtual memory staging Area: %d/%d [%5.2f%%] %dKB", _staging_area.vm_data()->length(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
654 _staging_area.vm_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
655 (100.0 * (float)_staging_area.vm_data()->length()) / (float)_staging_area.vm_data()->capacity(),
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
zgu
parents: 6607
diff changeset
656 _staging_area.vm_data()->instance_size()/K);
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
657
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
658 st->print_cr("\tUntracked allocation: %d", _untracked_count);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
659 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
660
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
661 void MemSnapshot::check_malloc_pointers() {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
662 MemPointerArrayIteratorImpl mItr(_alloc_ptrs);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
663 MemPointerRecord* p = (MemPointerRecord*)mItr.current();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
664 MemPointerRecord* prev = NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
665 while (p != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
zgu
parents:
diff changeset
666 if (prev != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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667 assert(p->addr() >= prev->addr(), "sorting order");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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668 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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669 prev = p;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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670 p = (MemPointerRecord*)mItr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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671 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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672 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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673
6607
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674 bool MemSnapshot::has_allocation_record(address addr) {
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675 MemPointerArrayIteratorImpl itr(_staging_area.malloc_data());
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676 MemPointerRecord* cur = (MemPointerRecord*)itr.current();
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677 while (cur != NULL) {
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678 if (cur->addr() == addr && cur->is_allocation_record()) {
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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679 return true;
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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680 }
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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681 cur = (MemPointerRecord*)itr.next();
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682 }
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683 return false;
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diff changeset
684 }
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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685 #endif // PRODUCT
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686
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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diff changeset
687 #ifdef ASSERT
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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688 void MemSnapshot::check_staging_data() {
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33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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689 MemPointerArrayIteratorImpl itr(_staging_area.malloc_data());
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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690 MemPointerRecord* cur = (MemPointerRecord*)itr.current();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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691 MemPointerRecord* next = (MemPointerRecord*)itr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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692 while (next != NULL) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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diff changeset
693 assert((next->addr() > cur->addr()) ||
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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694 ((next->flags() & MemPointerRecord::tag_masks) >
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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695 (cur->flags() & MemPointerRecord::tag_masks)),
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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696 "sorting order");
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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697 cur = next;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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698 next = (MemPointerRecord*)itr.next();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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699 }
6741
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
700
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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701 MemPointerArrayIteratorImpl vm_itr(_staging_area.vm_data());
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702 cur = (MemPointerRecord*)vm_itr.current();
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703 while (cur != NULL) {
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
704 assert(cur->is_vm_pointer(), "virtual memory pointer only");
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
705 cur = (MemPointerRecord*)vm_itr.next();
33143ee07800 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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diff changeset
706 }
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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707 }
6882
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
708
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
709 void MemSnapshot::dump_all_vm_pointers() {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
710 MemPointerArrayIteratorImpl itr(_vm_ptrs);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
711 VMMemRegion* ptr = (VMMemRegion*)itr.current();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
712 tty->print_cr("dump virtual memory pointers:");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
713 while (ptr != NULL) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
714 if (ptr->is_committed_region()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
715 tty->print("\t");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
716 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
717 tty->print("[" PTR_FORMAT " - " PTR_FORMAT "] [%x]", ptr->addr(),
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
718 (ptr->addr() + ptr->size()), ptr->flags());
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
719
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
720 if (MemTracker::track_callsite()) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
721 VMMemRegionEx* ex = (VMMemRegionEx*)ptr;
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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diff changeset
722 if (ex->pc() != NULL) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
723 char buf[1024];
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
724 if (os::dll_address_to_function_name(ex->pc(), buf, sizeof(buf), NULL)) {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
725 tty->print_cr("\t%s", buf);
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
726 } else {
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
727 tty->print_cr("");
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
728 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
729 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
730 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
731
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
732 ptr = (VMMemRegion*)itr.next();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
zgu
parents: 6741
diff changeset
733 }
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
734 tty->flush();
716c64bda5ba 7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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parents: 6741
diff changeset
735 }
6607
e5bf1c79ed5b 7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
zgu
parents: 6599
diff changeset
736 #endif // ASSERT
6197
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1)
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parents:
diff changeset
737