test/hotspot/jtreg/runtime/NMT/CheckForProperDetailStackTrace.java

*** 26,41 ****
--- 26,44 ----
   * @bug 8133747 8218458
   * @summary Running with NMT detail should produce expected stack traces.
   * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management
+  * @compile ../modules/CompilerUtils.java
   * @run driver CheckForProperDetailStackTrace
   */
  
  import jdk.test.lib.Platform;
  import jdk.test.lib.process.ProcessTools;
  import jdk.test.lib.process.OutputAnalyzer;
+ import java.nio.file.Path;
+ import java.nio.file.Paths;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  /**
   * We are checking for details that should be seen with NMT detail enabled.
*** 47,56 ****
--- 50,64 ----
   * This information does not change often enough that we are concerned about the
   * stability of this test - rather we prefer to detect changes in compiler behaviour
   * through this test and update it accordingly.
   */
  public class CheckForProperDetailStackTrace {
+     private static final String TEST_SRC = System.getProperty("test.src");
+     private static final String TEST_CLASSES = System.getProperty("test.classes");
+ 
+     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
+     private static final Path MODS_DIR = Paths.get(TEST_CLASSES, "mods");
  
      /* The stack trace we look for by default. Note that :: has been replaced by .*
         to make sure it matches even if the symbol is not unmangled.
      */
      private static String stackTraceDefault =
*** 81,95 ****
  
      /* A symbol that should always be present in NMT detail output. */
      private static String expectedSymbol = "locked_create_entry";
  
      public static void main(String args[]) throws Exception {
          ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
              "-XX:+UnlockDiagnosticVMOptions",
              "-XX:NativeMemoryTracking=detail",
              "-XX:+PrintNMTStatistics",
!             "-version");
          OutputAnalyzer output = new OutputAnalyzer(pb.start());
  
          output.shouldHaveExitValue(0);
  
          // We should never see either of these frames because they are supposed to be skipped.
--- 89,116 ----
  
      /* A symbol that should always be present in NMT detail output. */
      private static String expectedSymbol = "locked_create_entry";
  
      public static void main(String args[]) throws Exception {
+         boolean compiled;
+         // Compile module jdk.test declaration
+         compiled = CompilerUtils.compile(
+             SRC_DIR.resolve("jdk.test"),
+             MODS_DIR.resolve("jdk.test"));
+         if (!compiled) {
+             throw new RuntimeException("Test failed to compile module jdk.test");
+         }
+ 
+         // If modules in the system image have been archived in CDS, they will not be
+         // created again at run time. Explicitly use an external module to make sure
+         // we have a runtime-defined ModuleEntry
          ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
              "-XX:+UnlockDiagnosticVMOptions",
              "-XX:NativeMemoryTracking=detail",
              "-XX:+PrintNMTStatistics",
!             "-p", MODS_DIR.toString(),
!             "-m", "jdk.test/test.Main");
          OutputAnalyzer output = new OutputAnalyzer(pb.start());
  
          output.shouldHaveExitValue(0);
  
          // We should never see either of these frames because they are supposed to be skipped.