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 TestRemsetLogging* tests
26 */
27
28 import com.sun.management.HotSpotDiagnosticMXBean;
29 import com.sun.management.VMOption;
30
31 import jdk.test.lib.*;
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
53 int numGCs = Integer.parseInt(args[0]);
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 TestRemsetLoggingTools {
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 "-Xms20m",
91 "-Xmx20m",
92 "-XX:InitiatingHeapOccupancyPercent=100", // we don't want the additional GCs due to initial marking
93 "-XX:+UnlockDiagnosticVMOptions",
94 "-XX:G1HeapRegionSize=1M",
95 };
96
97 finalargs.addAll(Arrays.asList(defaultArgs));
98
99 if (additionalArgs != null) {
100 finalargs.addAll(Arrays.asList(additionalArgs));
101 }
102
103 finalargs.add(VerifySummaryOutput.class.getName());
104 finalargs.add(String.valueOf(numGCs));
105
106 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
107 finalargs.toArray(new String[0]));
108 OutputAnalyzer output = new OutputAnalyzer(pb.start());
109
110 output.shouldHaveExitValue(0);
111
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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 TestRemsetLogging* tests
26 */
27
28 import com.sun.management.HotSpotDiagnosticMXBean;
29 import com.sun.management.VMOption;
30 import sun.hotspot.WhiteBox;
31
32 import jdk.test.lib.*;
33 import java.lang.management.ManagementFactory;
34 import java.util.ArrayList;
35 import java.util.Arrays;
36
37 class VerifySummaryOutput {
38 public static void main(String[] args) {
39 int numGCs = Integer.parseInt(args[0]);
40
41 // Perform the requested amount of GCs.
42 WhiteBox wb = WhiteBox.getWhiteBox();
43 for (int i = 0; i < numGCs - 1; i++) {
44 wb.youngGC();
45 }
46 if (numGCs > 0) {
47 wb.fullGC();
48 }
49 }
50 }
51
52 public class TestRemsetLoggingTools {
53
54 public static String runTest(String[] additionalArgs, int numGCs) throws Exception {
55 ArrayList<String> finalargs = new ArrayList<String>();
56 String[] defaultArgs = new String[] {
57 "-Xbootclasspath/a:.",
58 "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
59 "-cp", System.getProperty("java.class.path"),
60 "-XX:+UseG1GC",
61 "-Xmn4m",
62 "-Xint", // -Xint makes the test run faster
63 "-Xms20m",
64 "-Xmx20m",
65 "-XX:ParallelGCThreads=1",
66 "-XX:InitiatingHeapOccupancyPercent=100", // we don't want the additional GCs due to initial marking
67 "-XX:+UnlockDiagnosticVMOptions",
68 "-XX:G1HeapRegionSize=1M",
69 };
70
71 finalargs.addAll(Arrays.asList(defaultArgs));
72
73 if (additionalArgs != null) {
74 finalargs.addAll(Arrays.asList(additionalArgs));
75 }
76
77 finalargs.add(VerifySummaryOutput.class.getName());
78 finalargs.add(String.valueOf(numGCs));
79
80 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
81 finalargs.toArray(new String[0]));
82 OutputAnalyzer output = new OutputAnalyzer(pb.start());
83
84 output.shouldHaveExitValue(0);
85
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