81 lines
3.0 KiB
Java
81 lines
3.0 KiB
Java
/*
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* Copyright (c) 2013, 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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* @test
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* @summary Test detail memory comparison against early baseline
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* @bug 8013917
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* @key nmt jcmd
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* @library /testlibrary /testlibrary/whitebox
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* @build JcmdDiffCallsite
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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 JcmdDiffCallsite
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*/
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import com.oracle.java.testlibrary.*;
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import sun.hotspot.WhiteBox;
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public class JcmdDiffCallsite {
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public static void main(String args[]) throws Exception {
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OutputAnalyzer output;
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WhiteBox wb = WhiteBox.getWhiteBox();
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// Grab my own PID
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String pid = Integer.toString(ProcessTools.getProcessId());
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ProcessBuilder pb = new ProcessBuilder();
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// Use WB API to alloc and free with the mtTest type
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long memAlloc1 = wb.NMTMalloc(512 * 1024);
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// Use WB API to ensure that all data has been merged before we continue
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if (!wb.NMTWaitForDataMerge()) {
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throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
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}
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// Run 'jcmd <pid> VM.native_memory baseline'
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pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "baseline"});
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pb.start();
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wb.NMTFree(memAlloc1);
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// Use WB API to ensure that all data has been merged before we continue
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if (!wb.NMTWaitForDataMerge()) {
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throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
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}
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// Run 'jcmd <pid> VM.native_memory detail.diff'
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pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail.diff"});
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output = new OutputAnalyzer(pb.start());
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// Use WB API to ensure that all data has been merged before we continue
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if (!wb.NMTWaitForDataMerge()) {
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throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
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}
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// above malloc callsite should report 0
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("(malloc=0");
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}
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}
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