28  * @summary Runs System.gc() with different flags.
  29  * @run main/othervm TestSystemGC
  30  * @run main/othervm -XX:+UseSerialGC TestSystemGC
  31  * @run main/othervm -XX:+UseParallelGC TestSystemGC
  32  * @run main/othervm -XX:+UseParallelGC -XX:-UseParallelOldGC TestSystemGC
  33  * @run main/othervm -XX:+UseG1GC TestSystemGC
  34  * @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  35  * @run main/othervm -XX:+UseLargePages TestSystemGC
  36  * @run main/othervm -XX:+UseLargePages -XX:+UseLargePagesInMetaspace TestSystemGC
  37  */
  38 
  39 /*
  40  * @test TestSystemGCCMS
  41  * @key gc
  42  * @comment Graal does not support CMS
  43  * @requires vm.gc=="null" & !vm.graal.enabled
  44  * @run main/othervm -XX:+UseConcMarkSweepGC TestSystemGC
  45  * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  46  */
  47 








  48 public class TestSystemGC {
  49   public static void main(String args[]) throws Exception {
  50     System.gc();
  51   }
  52 }

  28  * @summary Runs System.gc() with different flags.
  29  * @run main/othervm TestSystemGC
  30  * @run main/othervm -XX:+UseSerialGC TestSystemGC
  31  * @run main/othervm -XX:+UseParallelGC TestSystemGC
  32  * @run main/othervm -XX:+UseParallelGC -XX:-UseParallelOldGC TestSystemGC
  33  * @run main/othervm -XX:+UseG1GC TestSystemGC
  34  * @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  35  * @run main/othervm -XX:+UseLargePages TestSystemGC
  36  * @run main/othervm -XX:+UseLargePages -XX:+UseLargePagesInMetaspace TestSystemGC
  37  */
  38 
  39 /*
  40  * @test TestSystemGCCMS
  41  * @key gc
  42  * @comment Graal does not support CMS
  43  * @requires vm.gc=="null" & !vm.graal.enabled
  44  * @run main/othervm -XX:+UseConcMarkSweepGC TestSystemGC
  45  * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  46  */
  47 
  48 /*
  49  * @test TestSystemGCShenandoah
  50  * @key gc
  51  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  52  * @summary Runs System.gc() with different flags.
  53  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC TestSystemGC
  54  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC
  55  */
  56 public class TestSystemGC {
  57   public static void main(String args[]) throws Exception {
  58     System.gc();
  59   }
  60 }