test/hotspot/jtreg/gc/g1/TestPeriodicLogMessages.java

*** 40,66 ****
  public class TestPeriodicLogMessages {
  
      public static void main(String[] args) throws Exception {
          ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
                                                                    "-XX:G1PeriodicGCInterval=0",
!                                                                   "-Xlog:gc,gc+periodic=debug",
                                                                    "-Xmx10M",
                                                                    GCTest.class.getName());
  
          OutputAnalyzer output = new OutputAnalyzer(pb.start());
!         output.shouldContain("Periodic GC disabled");
          output.shouldNotContain("Checking for periodic GC");
          output.shouldHaveExitValue(0);
  
          pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
                                                     "-XX:G1PeriodicGCInterval=100",
!                                                    "-Xlog:gc,gc+periodic=debug",
                                                     "-Xmx10M",
                                                     GCTest.class.getName());
  
          output = new OutputAnalyzer(pb.start());
!         output.shouldContain("Periodic GC enabled with interval 100ms");
          output.shouldContain("Checking for periodic GC");
          output.shouldHaveExitValue(0);
      }
  
      static class GCTest {
--- 40,67 ----
  public class TestPeriodicLogMessages {
  
      public static void main(String[] args) throws Exception {
          ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
                                                                    "-XX:G1PeriodicGCInterval=0",
!                                                                   "-Xlog:gc+init,gc+periodic=debug",
                                                                    "-Xmx10M",
                                                                    GCTest.class.getName());
  
          OutputAnalyzer output = new OutputAnalyzer(pb.start());
!         output.shouldContain("Periodic GC: Disabled");
          output.shouldNotContain("Checking for periodic GC");
          output.shouldHaveExitValue(0);
  
          pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
                                                     "-XX:G1PeriodicGCInterval=100",
!                                                    "-Xlog:gc+init,gc+periodic=debug",
                                                     "-Xmx10M",
                                                     GCTest.class.getName());
  
          output = new OutputAnalyzer(pb.start());
!         output.shouldContain("Periodic GC: Enabled");
!         output.shouldContain("Periodic GC Interval: 100ms");
          output.shouldContain("Checking for periodic GC");
          output.shouldHaveExitValue(0);
      }
  
      static class GCTest {