author | stefank |
Mon, 29 Jan 2018 15:11:33 +0100 | |
changeset 48815 | d80d521e9cb1 |
permissions | -rw-r--r-- |
48815
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/* |
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @summary Test merging of committed virtual memory and that we track it correctly |
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* @key nmt jcmd |
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* @library /test/lib |
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* @modules java.base/jdk.internal.misc |
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* java.management |
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* @build sun.hotspot.WhiteBox |
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* @run main ClassFileInstaller sun.hotspot.WhiteBox |
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocCommitMerge |
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* |
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*/ |
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import jdk.test.lib.process.ProcessTools; |
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import jdk.test.lib.process.OutputAnalyzer; |
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import jdk.test.lib.JDKToolFinder; |
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import sun.hotspot.WhiteBox; |
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public class VirtualAllocCommitMerge { |
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public static WhiteBox wb = WhiteBox.getWhiteBox(); |
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public static void main(String args[]) throws Exception { |
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OutputAnalyzer output; |
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long commitSize = 128 * 1024; // 128KB |
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long reserveSize = 4 * 1024 * 1024; // 4096KB |
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long addr; |
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String pid = Long.toString(ProcessTools.getProcessId()); |
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ProcessBuilder pb = new ProcessBuilder(); |
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// reserve |
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addr = wb.NMTReserveMemory(reserveSize); |
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pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, |
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"VM.native_memory", "detail" }); |
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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checkReserved(output, addr, reserveSize, "4096KB"); |
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long addrA = addr + (0 * commitSize); |
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long addrB = addr + (1 * commitSize); |
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long addrC = addr + (2 * commitSize); |
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long addrD = addr + (3 * commitSize); |
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long addrE = addr + (4 * commitSize); |
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// Test discontigous areas |
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{ |
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// commit ACE |
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wb.NMTCommitMemory(addrA, commitSize); |
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wb.NMTCommitMemory(addrC, commitSize); |
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wb.NMTCommitMemory(addrE, commitSize); |
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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checkReserved(output, addr, reserveSize, "4096KB"); |
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checkCommitted(output, addrA, commitSize, "128KB"); |
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checkCommitted(output, addrC, commitSize, "128KB"); |
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checkCommitted(output, addrE, commitSize, "128KB"); |
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// uncommit ACE |
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wb.NMTUncommitMemory(addrA, commitSize); |
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wb.NMTUncommitMemory(addrC, commitSize); |
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wb.NMTUncommitMemory(addrE, commitSize); |
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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} |
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// Test contiguous areas |
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{ |
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// commit AB |
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wb.NMTCommitMemory(addrA, commitSize); |
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wb.NMTCommitMemory(addrB, commitSize); |
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "256KB"); |
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checkReserved(output, addr, reserveSize, "4096KB"); |
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checkCommitted(output, addrA, 2 * commitSize, "256KB"); |
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// uncommit AB |
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wb.NMTUncommitMemory(addrA, commitSize); |
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wb.NMTUncommitMemory(addrB, commitSize); |
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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} |
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{ |
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// commit BA |
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wb.NMTCommitMemory(addrB, commitSize); |
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wb.NMTCommitMemory(addrA, commitSize); |
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "256KB"); |
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checkReserved(output, addr, reserveSize, "4096KB"); |
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checkCommitted(output, addrA, 2 * commitSize, "256KB"); |
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|
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126 |
// uncommit AB |
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wb.NMTUncommitMemory(addrB, commitSize); |
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128 |
wb.NMTUncommitMemory(addrA, commitSize); |
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129 |
|
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output = new OutputAnalyzer(pb.start()); |
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131 |
checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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132 |
} |
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133 |
|
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134 |
{ |
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135 |
// commit ABC |
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136 |
wb.NMTCommitMemory(addrA, commitSize); |
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137 |
wb.NMTCommitMemory(addrB, commitSize); |
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138 |
wb.NMTCommitMemory(addrC, commitSize); |
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139 |
|
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output = new OutputAnalyzer(pb.start()); |
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141 |
checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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142 |
checkReserved(output, addr, reserveSize, "4096KB"); |
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143 |
|
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144 |
checkCommitted(output, addrA, 3 * commitSize, "384KB"); |
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145 |
|
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146 |
// uncommit |
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147 |
wb.NMTUncommitMemory(addrA, commitSize); |
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148 |
wb.NMTUncommitMemory(addrB, commitSize); |
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149 |
wb.NMTUncommitMemory(addrC, commitSize); |
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150 |
|
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151 |
output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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153 |
} |
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154 |
|
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155 |
{ |
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156 |
// commit ACB |
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157 |
wb.NMTCommitMemory(addrA, commitSize); |
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158 |
wb.NMTCommitMemory(addrC, commitSize); |
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159 |
wb.NMTCommitMemory(addrB, commitSize); |
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160 |
|
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161 |
output = new OutputAnalyzer(pb.start()); |
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162 |
checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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163 |
checkReserved(output, addr, reserveSize, "4096KB"); |
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164 |
|
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checkCommitted(output, addrA, 3 * commitSize, "384KB"); |
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166 |
|
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167 |
// uncommit |
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168 |
wb.NMTUncommitMemory(addrA, commitSize); |
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169 |
wb.NMTUncommitMemory(addrC, commitSize); |
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170 |
wb.NMTUncommitMemory(addrB, commitSize); |
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171 |
|
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172 |
output = new OutputAnalyzer(pb.start()); |
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173 |
checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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174 |
} |
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175 |
|
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176 |
{ |
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177 |
// commit BAC |
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178 |
wb.NMTCommitMemory(addrB, commitSize); |
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179 |
wb.NMTCommitMemory(addrA, commitSize); |
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180 |
wb.NMTCommitMemory(addrC, commitSize); |
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181 |
|
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182 |
output = new OutputAnalyzer(pb.start()); |
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183 |
checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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184 |
checkReserved(output, addr, reserveSize, "4096KB"); |
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185 |
|
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186 |
checkCommitted(output, addrA, 3 * commitSize, "384KB"); |
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187 |
|
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188 |
// uncommit |
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189 |
wb.NMTUncommitMemory(addrB, commitSize); |
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190 |
wb.NMTUncommitMemory(addrA, commitSize); |
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191 |
wb.NMTUncommitMemory(addrC, commitSize); |
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192 |
|
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193 |
output = new OutputAnalyzer(pb.start()); |
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194 |
checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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195 |
} |
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196 |
|
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197 |
{ |
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198 |
// commit BCA |
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199 |
wb.NMTCommitMemory(addrB, commitSize); |
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200 |
wb.NMTCommitMemory(addrC, commitSize); |
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201 |
wb.NMTCommitMemory(addrA, commitSize); |
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202 |
|
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203 |
output = new OutputAnalyzer(pb.start()); |
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204 |
checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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205 |
checkReserved(output, addr, reserveSize, "4096KB"); |
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206 |
|
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207 |
checkCommitted(output, addrA, 3 * commitSize, "384KB"); |
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208 |
|
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209 |
// uncommit |
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210 |
wb.NMTUncommitMemory(addrB, commitSize); |
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211 |
wb.NMTUncommitMemory(addrC, commitSize); |
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212 |
wb.NMTUncommitMemory(addrA, commitSize); |
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213 |
|
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214 |
output = new OutputAnalyzer(pb.start()); |
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215 |
checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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216 |
} |
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217 |
|
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218 |
{ |
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219 |
// commit CAB |
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220 |
wb.NMTCommitMemory(addrC, commitSize); |
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221 |
wb.NMTCommitMemory(addrA, commitSize); |
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222 |
wb.NMTCommitMemory(addrB, commitSize); |
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223 |
|
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224 |
output = new OutputAnalyzer(pb.start()); |
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225 |
checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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226 |
checkReserved(output, addr, reserveSize, "4096KB"); |
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227 |
|
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228 |
checkCommitted(output, addrA, 3 * commitSize, "384KB"); |
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229 |
|
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230 |
// uncommit |
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231 |
wb.NMTUncommitMemory(addrC, commitSize); |
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232 |
wb.NMTUncommitMemory(addrA, commitSize); |
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233 |
wb.NMTUncommitMemory(addrB, commitSize); |
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234 |
|
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235 |
output = new OutputAnalyzer(pb.start()); |
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236 |
checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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237 |
} |
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238 |
|
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239 |
{ |
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240 |
// commit CBA |
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241 |
wb.NMTCommitMemory(addrC, commitSize); |
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242 |
wb.NMTCommitMemory(addrB, commitSize); |
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243 |
wb.NMTCommitMemory(addrA, commitSize); |
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244 |
|
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245 |
output = new OutputAnalyzer(pb.start()); |
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246 |
checkReservedCommittedSummary(output, "4096KB", "384KB"); |
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247 |
checkReserved(output, addr, reserveSize, "4096KB"); |
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248 |
|
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249 |
checkCommitted(output, addrA, 3 * commitSize, "384KB"); |
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250 |
|
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251 |
// uncommit |
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wb.NMTUncommitMemory(addrC, commitSize); |
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wb.NMTUncommitMemory(addrB, commitSize); |
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wb.NMTUncommitMemory(addrA, commitSize); |
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|
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output = new OutputAnalyzer(pb.start()); |
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checkReservedCommittedSummary(output, "4096KB", "0KB"); |
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} |
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|
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// release |
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wb.NMTReleaseMemory(addr, reserveSize); |
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output = new OutputAnalyzer(pb.start()); |
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output.shouldNotContain("Test (reserved="); |
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output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" |
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+ Long.toHexString(addr + reserveSize) + "\\] reserved 4096KB for Test"); |
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} |
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public static void checkReservedCommittedSummary(OutputAnalyzer output, String reservedString, String committedString) { |
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output.shouldContain("Test (reserved=" + reservedString + ", committed=" + committedString + ")"); |
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} |
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public static void checkReserved(OutputAnalyzer output, long addr, long size, String sizeString) { |
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output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" |
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+ Long.toHexString(addr + size) |
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+ "\\] reserved 4096KB for Test"); |
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} |
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public static void checkCommitted(OutputAnalyzer output, long addr, long size, String sizeString) { |
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output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" |
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+ Long.toHexString(addr + size) |
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+ "\\] committed " + sizeString + " from.*"); |
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} |
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} |