37
38 import java.util.regex.Matcher;
39 import java.util.regex.Pattern;
40
41 import jdk.test.lib.OutputAnalyzer;
42 import jdk.test.lib.Platform;
43 import jdk.test.lib.ProcessTools;
44
45 import static jdk.test.lib.Asserts.*;
46
47 public class TestPLABOutput {
48
49 public static void runTest() throws Exception {
50 final String[] arguments = {
51 "-Xbootclasspath/a:.",
52 "-XX:+UnlockExperimentalVMOptions",
53 "-XX:+UnlockDiagnosticVMOptions",
54 "-XX:+WhiteBoxAPI",
55 "-XX:+UseG1GC",
56 "-Xmx10M",
57 "-XX:+PrintGC",
58 "-XX:+PrintPLAB",
59 GCTest.class.getName()
60 };
61
62 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(arguments);
63 OutputAnalyzer output = new OutputAnalyzer(pb.start());
64
65 output.shouldHaveExitValue(0);
66
67 System.out.println(output.getStdout());
68
69 String pattern = "#0:.*allocated = (\\d+).*";
70 Pattern r = Pattern.compile(pattern);
71 Matcher m = r.matcher(output.getStdout());
72
73 if (!m.find()) {
74 throw new RuntimeException("Could not find any PLAB statistics output");
75 }
76 int allocated = Integer.parseInt(m.group(1));
77 assertGT(allocated, 0, "Did not allocate any memory during test");
78 }
79
80 public static void main(String[] args) throws Exception {
81 runTest();
82 }
83
84 static class GCTest {
85 private static final WhiteBox WB = WhiteBox.getWhiteBox();
86
87 public static Object holder;
88
89 public static void main(String [] args) {
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37
38 import java.util.regex.Matcher;
39 import java.util.regex.Pattern;
40
41 import jdk.test.lib.OutputAnalyzer;
42 import jdk.test.lib.Platform;
43 import jdk.test.lib.ProcessTools;
44
45 import static jdk.test.lib.Asserts.*;
46
47 public class TestPLABOutput {
48
49 public static void runTest() throws Exception {
50 final String[] arguments = {
51 "-Xbootclasspath/a:.",
52 "-XX:+UnlockExperimentalVMOptions",
53 "-XX:+UnlockDiagnosticVMOptions",
54 "-XX:+WhiteBoxAPI",
55 "-XX:+UseG1GC",
56 "-Xmx10M",
57 "-Xlog:gc+plab=debug",
58 GCTest.class.getName()
59 };
60
61 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(arguments);
62 OutputAnalyzer output = new OutputAnalyzer(pb.start());
63
64 output.shouldHaveExitValue(0);
65
66 System.out.println(output.getStdout());
67
68 String pattern = ".*GC\\(0\\) .*allocated = (\\d+).*";
69 Pattern r = Pattern.compile(pattern);
70 Matcher m = r.matcher(output.getStdout());
71
72 if (!m.find()) {
73 throw new RuntimeException("Could not find any PLAB statistics output");
74 }
75 int allocated = Integer.parseInt(m.group(1));
76 assertGT(allocated, 0, "Did not allocate any memory during test");
77 }
78
79 public static void main(String[] args) throws Exception {
80 runTest();
81 }
82
83 static class GCTest {
84 private static final WhiteBox WB = WhiteBox.getWhiteBox();
85
86 public static Object holder;
87
88 public static void main(String [] args) {
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