Mercurial > hg > truffle
annotate test/runtime/NMT/ThreadedVirtualAllocTestType.java @ 12986:1b422ef5288a
8025728: Missing volatile specifier for field G1AllocRegion::_alloc_region
Summary: The field G1AllocRegion::_alloc_region needs to be declared volatile as it is used with that intention. Otherwise the compiler may generate the code that reloads the value which might have changed in the meantime, leading to spurious crashes.
Reviewed-by: iveresov, simonis, tschatzl
Contributed-by: Axel Siebenborn <axel.siebenborn@sap.com>
| author | tschatzl |
|---|---|
| date | Wed, 23 Oct 2013 10:23:06 +0200 |
| parents | 5fd8e2fbafd4 |
| children | ac12996df59b |
| rev | line source |
|---|---|
| 9056 | 1 /* |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @key nmt jcmd | |
| 27 * @library /testlibrary /testlibrary/whitebox | |
| 28 * @build ThreadedVirtualAllocTestType | |
| 29 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
| 30 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType | |
| 31 */ | |
| 32 | |
| 33 import com.oracle.java.testlibrary.*; | |
| 34 import sun.hotspot.WhiteBox; | |
| 35 | |
| 36 public class ThreadedVirtualAllocTestType { | |
| 37 public static long addr; | |
| 38 public static final WhiteBox wb = WhiteBox.getWhiteBox(); | |
| 39 public static final long commitSize = 128 * 1024; | |
| 40 public static final long reserveSize = 512 * 1024; | |
| 41 | |
| 42 public static void main(String args[]) throws Exception { | |
| 43 OutputAnalyzer output; | |
| 44 | |
| 45 String pid = Integer.toString(ProcessTools.getProcessId()); | |
| 46 ProcessBuilder pb = new ProcessBuilder(); | |
| 47 | |
|
12118
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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48 boolean has_nmt_detail = wb.NMTIsDetailSupported(); |
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5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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49 if (has_nmt_detail) { |
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5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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50 System.out.println("NMT detail support detected."); |
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5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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51 } else { |
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5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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52 System.out.println("NMT detail support not detected."); |
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5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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53 } |
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5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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54 |
| 9056 | 55 Thread reserveThread = new Thread() { |
| 56 public void run() { | |
| 57 addr = wb.NMTReserveMemory(reserveSize); | |
| 58 } | |
| 59 }; | |
| 60 reserveThread.start(); | |
| 61 reserveThread.join(); | |
| 62 | |
| 63 mergeData(); | |
| 64 | |
| 65 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); | |
| 66 output = new OutputAnalyzer(pb.start()); | |
| 67 output.shouldContain("Test (reserved=512KB, committed=0KB)"); | |
|
12118
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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68 if (has_nmt_detail) { |
|
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
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69 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test"); |
|
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
|
70 } |
| 9056 | 71 |
| 72 Thread commitThread = new Thread() { | |
| 73 public void run() { | |
| 74 wb.NMTCommitMemory(addr, commitSize); | |
| 75 } | |
| 76 }; | |
| 77 commitThread.start(); | |
| 78 commitThread.join(); | |
| 79 | |
| 80 mergeData(); | |
| 81 | |
| 82 output = new OutputAnalyzer(pb.start()); | |
| 83 output.shouldContain("Test (reserved=512KB, committed=128KB)"); | |
|
12118
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
|
84 if (has_nmt_detail) { |
|
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
|
85 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); |
|
5fd8e2fbafd4
8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents:
9056
diff
changeset
|
86 } |
| 9056 | 87 |
| 88 Thread uncommitThread = new Thread() { | |
| 89 public void run() { | |
| 90 wb.NMTUncommitMemory(addr, commitSize); | |
| 91 } | |
| 92 }; | |
| 93 uncommitThread.start(); | |
| 94 uncommitThread.join(); | |
| 95 | |
| 96 mergeData(); | |
| 97 | |
| 98 output = new OutputAnalyzer(pb.start()); | |
| 99 output.shouldContain("Test (reserved=512KB, committed=0KB)"); | |
| 100 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); | |
| 101 | |
| 102 Thread releaseThread = new Thread() { | |
| 103 public void run() { | |
| 104 wb.NMTReleaseMemory(addr, reserveSize); | |
| 105 } | |
| 106 }; | |
| 107 releaseThread.start(); | |
| 108 releaseThread.join(); | |
| 109 | |
| 110 mergeData(); | |
| 111 | |
| 112 output = new OutputAnalyzer(pb.start()); | |
| 113 output.shouldNotContain("Test (reserved="); | |
| 114 output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); | |
| 115 } | |
| 116 | |
| 117 public static void mergeData() throws Exception { | |
| 118 // Use WB API to ensure that all data has been merged before we continue | |
| 119 if (!wb.NMTWaitForDataMerge()) { | |
| 120 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
| 121 } | |
| 122 } | |
| 123 } |