Mercurial > hg > graal-compiler
annotate test/runtime/NMT/VirtualAllocTestType.java @ 17066:0bcefb0f8488
Truffle: byte[] sources.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Mon, 08 Sep 2014 22:21:21 +0100 |
parents | 5fd8e2fbafd4 |
children | ac12996df59b |
rev | line source |
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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 * @summary Test Reserve/Commit/Uncommit/Release of virtual memory and that we track it correctly | |
27 * @key nmt jcmd | |
28 * @library /testlibrary /testlibrary/whitebox | |
29 * @build VirtualAllocTestType | |
30 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
31 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocTestType | |
32 */ | |
33 | |
34 import com.oracle.java.testlibrary.*; | |
35 import sun.hotspot.WhiteBox; | |
36 | |
37 public class VirtualAllocTestType { | |
38 | |
39 public static WhiteBox wb = WhiteBox.getWhiteBox(); | |
40 public static void main(String args[]) throws Exception { | |
41 OutputAnalyzer output; | |
42 long commitSize = 128 * 1024; | |
43 long reserveSize = 256 * 1024; | |
44 long addr; | |
45 | |
46 String pid = Integer.toString(ProcessTools.getProcessId()); | |
47 ProcessBuilder pb = new ProcessBuilder(); | |
48 | |
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49 boolean has_nmt_detail = wb.NMTIsDetailSupported(); |
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50 if (has_nmt_detail) { |
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51 System.out.println("NMT detail support detected."); |
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52 } else { |
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53 System.out.println("NMT detail support not detected."); |
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54 } |
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55 |
9056 | 56 addr = wb.NMTReserveMemory(reserveSize); |
57 mergeData(); | |
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58 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); |
9056 | 59 |
60 output = new OutputAnalyzer(pb.start()); | |
61 output.shouldContain("Test (reserved=256KB, committed=0KB)"); | |
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62 if (has_nmt_detail) { |
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63 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 256KB for Test"); |
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64 } |
9056 | 65 |
66 wb.NMTCommitMemory(addr, commitSize); | |
67 | |
68 mergeData(); | |
69 | |
70 output = new OutputAnalyzer(pb.start()); | |
71 output.shouldContain("Test (reserved=256KB, committed=128KB)"); | |
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72 if (has_nmt_detail) { |
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73 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); |
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74 } |
9056 | 75 |
76 wb.NMTUncommitMemory(addr, commitSize); | |
77 | |
78 mergeData(); | |
79 | |
80 output = new OutputAnalyzer(pb.start()); | |
81 output.shouldContain("Test (reserved=256KB, committed=0KB)"); | |
82 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); | |
83 | |
84 wb.NMTReleaseMemory(addr, reserveSize); | |
85 mergeData(); | |
86 | |
87 output = new OutputAnalyzer(pb.start()); | |
88 output.shouldNotContain("Test (reserved="); | |
89 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); | |
90 } | |
91 | |
92 public static void mergeData() throws Exception { | |
93 // Use WB API to ensure that all data has been merged before we continue | |
94 if (!wb.NMTWaitForDataMerge()) { | |
95 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
96 } | |
97 } | |
98 } |