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 * Common helpers for TestSummarizeRSetStats* tests
26 */
27
28 import sun.management.ManagementFactoryHelper;
29 import com.sun.management.HotSpotDiagnosticMXBean;
30 import com.sun.management.VMOption;
31
32 import com.oracle.java.testlibrary.*;
33 import java.util.regex.Matcher;
34 import java.util.regex.Pattern;
35 import java.lang.Thread;
36 import java.util.ArrayList;
37 import java.util.Arrays;
38
39 class VerifySummaryOutput {
40 // 4M size, both are directly allocated into the old gen
41 static Object[] largeObject1 = new Object[1024 * 1024];
42 static Object[] largeObject2 = new Object[1024 * 1024];
43
44 static int[] temp;
45
46 public static void main(String[] args) {
47 // create some cross-references between these objects
48 for (int i = 0; i < largeObject1.length; i++) {
49 largeObject1[i] = largeObject2;
50 }
51
52 for (int i = 0; i < largeObject2.length; i++) {
53 largeObject2[i] = largeObject1;
54 }
55
57
58 if (numGCs > 0) {
59 // try to force a minor collection: the young gen is 4M, the
60 // amount of data allocated below is roughly that (4*1024*1024 +
61 // some header data)
62 for (int i = 0; i < 1024 ; i++) {
63 temp = new int[1024];
64 }
65 }
66
67 for (int i = 0; i < numGCs - 1; i++) {
68 System.gc();
69 }
70 }
71 }
72
73 public class TestSummarizeRSetStatsTools {
74
75 // the VM is currently run using G1GC, i.e. trying to test G1 functionality.
76 public static boolean testingG1GC() {
77 HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();
78
79 VMOption option = diagnostic.getVMOption("UseG1GC");
80 if (option.getValue().equals("false")) {
81 System.out.println("Skipping this test. It is only a G1 test.");
82 return false;
83 }
84 return true;
85 }
86
87 public static String runTest(String[] additionalArgs, int numGCs) throws Exception {
88 ArrayList<String> finalargs = new ArrayList<String>();
89 String[] defaultArgs = new String[] {
90 "-XX:+UseG1GC",
91 "-Xmn4m",
92 "-Xmx20m",
93 "-XX:InitiatingHeapOccupancyPercent=100", // we don't want the additional GCs due to initial marking
94 "-XX:+PrintGC",
95 "-XX:+UnlockDiagnosticVMOptions",
96 "-XX:G1HeapRegionSize=1M",
97 };
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1 /*
2 * Copyright (c) 2013, 2015, 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 * Common helpers for TestSummarizeRSetStats* tests
26 */
27
28 import com.sun.management.HotSpotDiagnosticMXBean;
29 import com.sun.management.VMOption;
30
31 import com.oracle.java.testlibrary.*;
32 import java.lang.management.ManagementFactory;
33 import java.util.ArrayList;
34 import java.util.Arrays;
35
36 class VerifySummaryOutput {
37 // 4M size, both are directly allocated into the old gen
38 static Object[] largeObject1 = new Object[1024 * 1024];
39 static Object[] largeObject2 = new Object[1024 * 1024];
40
41 static int[] temp;
42
43 public static void main(String[] args) {
44 // create some cross-references between these objects
45 for (int i = 0; i < largeObject1.length; i++) {
46 largeObject1[i] = largeObject2;
47 }
48
49 for (int i = 0; i < largeObject2.length; i++) {
50 largeObject2[i] = largeObject1;
51 }
52
54
55 if (numGCs > 0) {
56 // try to force a minor collection: the young gen is 4M, the
57 // amount of data allocated below is roughly that (4*1024*1024 +
58 // some header data)
59 for (int i = 0; i < 1024 ; i++) {
60 temp = new int[1024];
61 }
62 }
63
64 for (int i = 0; i < numGCs - 1; i++) {
65 System.gc();
66 }
67 }
68 }
69
70 public class TestSummarizeRSetStatsTools {
71
72 // the VM is currently run using G1GC, i.e. trying to test G1 functionality.
73 public static boolean testingG1GC() {
74 HotSpotDiagnosticMXBean diagnostic =
75 ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
76
77 VMOption option = diagnostic.getVMOption("UseG1GC");
78 if (option.getValue().equals("false")) {
79 System.out.println("Skipping this test. It is only a G1 test.");
80 return false;
81 }
82 return true;
83 }
84
85 public static String runTest(String[] additionalArgs, int numGCs) throws Exception {
86 ArrayList<String> finalargs = new ArrayList<String>();
87 String[] defaultArgs = new String[] {
88 "-XX:+UseG1GC",
89 "-Xmn4m",
90 "-Xmx20m",
91 "-XX:InitiatingHeapOccupancyPercent=100", // we don't want the additional GCs due to initial marking
92 "-XX:+PrintGC",
93 "-XX:+UnlockDiagnosticVMOptions",
94 "-XX:G1HeapRegionSize=1M",
95 };
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