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8158929: [TESTBUG] CommitOverlappingRegions.java can not deal with pages > 32K

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Reviewed-by: mockner, dholmes
This commit is contained in:
Goetz Lindenmaier 2016-06-07 16:08:25 +02:00
parent b0fab9d6b7
commit 7bd006dd5a
1 changed files with 30 additions and 25 deletions
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55
hotspot/test/runtime/NMT/CommitOverlappingRegions.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -41,7 +41,12 @@ public class CommitOverlappingRegions {
public static WhiteBox wb = WhiteBox.getWhiteBox();
public static void main(String args[]) throws Exception {
OutputAnalyzer output;
long size = 32 * 1024;
int pagesize = wb.getVMPageSize();
if (size < pagesize) { size = pagesize; } // Should be aligned.
long sizek = size / 1024;
long addr = wb.NMTReserveMemory(8*size);
String pid = Long.toString(ProcessTools.getProcessId());
@ -52,93 +57,93 @@ public class CommitOverlappingRegions {
// Start: . . . . . . . .
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=0KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=0KB)");
// Committing: * * * . . . . .
// Region: * * * . . . . .
// Expected Total: 3 x 32KB = 96KB
// Expected Total: 3 x sizek KB
wb.NMTCommitMemory(addr + 0*size, 3*size);
// Committing: . . . . * * * .
// Region: * * * . * * * .
// Expected Total: 6 x 32KB = 192KB
// Expected Total: 6 x sizek KB
wb.NMTCommitMemory(addr + 4*size, 3*size);
// Check output after first 2 commits.
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=192KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 6*sizek + "KB)");
// Committing: . . * * * . . .
// Region: * * * * * * * .
// Expected Total: 7 x 32KB = 224KB
// Expected Total: 7 x sizek KB
wb.NMTCommitMemory(addr + 2*size, 3*size);
// Check output after overlapping commit.
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=224KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 7*sizek + "KB)");
// Uncommitting: * * * * * * * *
// Region: . . . . . . . .
// Expected Total: 0 x 32KB = 0KB
// Expected Total: 0 x sizek KB
wb.NMTUncommitMemory(addr + 0*size, 8*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=0KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=0KB)");
// Committing: * * . . . . . .
// Region: * * . . . . . .
// Expected Total: 2 x 32KB = 64KB
// Expected Total: 2 x sizek KB
wb.NMTCommitMemory(addr + 0*size, 2*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=64KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 2*sizek + "KB)");
// Committing: . * * * . . . .
// Region: * * * * . . . .
// Expected Total: 4 x 32KB = 128KB
// Expected Total: 4 x sizek KB
wb.NMTCommitMemory(addr + 1*size, 3*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=128KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 4*sizek + "KB)");
// Uncommitting: * * * . . . . .
// Region: . . . * . . . .
// Expected Total: 1 x 32KB = 32KB
// Expected Total: 1 x sizek KB
wb.NMTUncommitMemory(addr + 0*size, 3*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=32KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 1*sizek + "KB)");
// Committing: . . . * * . . .
// Region: . . . * * . . .
// Expected Total: 2 x 32KB = 64KB
// Expected Total: 2 x sizek KB
wb.NMTCommitMemory(addr + 3*size, 2*size);
System.out.println("Address is " + Long.toHexString(addr + 3*size));
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=64KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 2*sizek + "KB)");
// Committing: . . . . * * . .
// Region: . . . * * * . .
// Expected Total: 3 x 32KB = 96KB
// Expected Total: 3 x sizek KB
wb.NMTCommitMemory(addr + 4*size, 2*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=96KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 3*sizek + "KB)");
// Committing: . . . . . * * .
// Region: . . . * * * * .
// Expected Total: 4 x 32KB = 128KB
// Expected Total: 4 x sizek KB
wb.NMTCommitMemory(addr + 5*size, 2*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=128KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 4*sizek + "KB)");
// Committing: . . . . . . * *
// Region: . . . * * * * *
// Expected Total: 5 x 32KB = 160KB
// Expected Total: 5 x sizek KB
wb.NMTCommitMemory(addr + 6*size, 2*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=160KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=" + 5*sizek + "KB)");
// Uncommitting: * * * * * * * *
// Region: . . . . . . . .
// Expected Total: 0 x 32KB = 32KB
// Expected Total: 0 x sizek KB
wb.NMTUncommitMemory(addr + 0*size, 8*size);
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=256KB, committed=0KB)");
output.shouldContain("Test (reserved=" + 8*sizek + "KB, committed=0KB)");
}
}