22  */
  23 
  24 /* @test
  25  * @summary Test selective barrier enabling works, by aggressively compiling HelloWorld with combinations
  26  *          of barrier flags
  27  * @library /test/lib
  28  * @run main/othervm TestSelectiveBarrierFlags -Xint
  29  * @run main/othervm TestSelectiveBarrierFlags -Xbatch -XX:CompileThreshold=100 -XX:TieredStopAtLevel=1
  30  * @run main/othervm TestSelectiveBarrierFlags -Xbatch -XX:CompileThreshold=100 -XX:-TieredCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:+ShenandoahVerifyOptoBarriers
  31  */
  32 
  33 import java.util.*;
  34 import java.util.concurrent.*;
  35 import jdk.test.lib.process.ProcessTools;
  36 import jdk.test.lib.process.OutputAnalyzer;
  37 
  38 public class TestSelectiveBarrierFlags {
  39 
  40     public static void main(String[] args) throws Exception {
  41         String[][] opts = {
  42             new String[]{ "ShenandoahSATBBarrier", "ShenandoahConditionalSATBBarrier" },
  43             new String[]{ "ShenandoahKeepAliveBarrier" },
  44             new String[]{ "ShenandoahWriteBarrier" },
  45             new String[]{ "ShenandoahReadBarrier" },
  46             new String[]{ "ShenandoahStoreValWriteBarrier", "ShenandoahStoreValReadBarrier", "ShenandoahStoreValEnqueueBarrier" },
  47             new String[]{ "ShenandoahCASBarrier" },
  48             new String[]{ "ShenandoahAcmpBarrier" },
  49             new String[]{ "ShenandoahCloneBarrier" },
  50         };
  51 
  52         int size = 1;
  53         for (String[] l : opts) {
  54             size *= (l.length + 1);
  55         }
  56 
  57         ExecutorService pool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
  58 
  59         for (int c = 0; c < size; c++) {
  60             int t = c;
  61 
  62             List<String> conf = new ArrayList<>();
  63             conf.addAll(Arrays.asList(args));
  64             conf.add("-Xmx128m");
  65             conf.add("-XX:+UseShenandoahGC");
  66             conf.add("-XX:+UnlockDiagnosticVMOptions");

  22  */
  23 
  24 /* @test
  25  * @summary Test selective barrier enabling works, by aggressively compiling HelloWorld with combinations
  26  *          of barrier flags
  27  * @library /test/lib
  28  * @run main/othervm TestSelectiveBarrierFlags -Xint
  29  * @run main/othervm TestSelectiveBarrierFlags -Xbatch -XX:CompileThreshold=100 -XX:TieredStopAtLevel=1
  30  * @run main/othervm TestSelectiveBarrierFlags -Xbatch -XX:CompileThreshold=100 -XX:-TieredCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:+ShenandoahVerifyOptoBarriers
  31  */
  32 
  33 import java.util.*;
  34 import java.util.concurrent.*;
  35 import jdk.test.lib.process.ProcessTools;
  36 import jdk.test.lib.process.OutputAnalyzer;
  37 
  38 public class TestSelectiveBarrierFlags {
  39 
  40     public static void main(String[] args) throws Exception {
  41         String[][] opts = {
  42             new String[]{ "ShenandoahSATBBarrier" },
  43             new String[]{ "ShenandoahKeepAliveBarrier" },
  44             new String[]{ "ShenandoahWriteBarrier" },
  45             new String[]{ "ShenandoahReadBarrier" },
  46             new String[]{ "ShenandoahStoreValReadBarrier", "ShenandoahStoreValEnqueueBarrier" },
  47             new String[]{ "ShenandoahCASBarrier" },
  48             new String[]{ "ShenandoahAcmpBarrier" },
  49             new String[]{ "ShenandoahCloneBarrier" },
  50         };
  51 
  52         int size = 1;
  53         for (String[] l : opts) {
  54             size *= (l.length + 1);
  55         }
  56 
  57         ExecutorService pool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
  58 
  59         for (int c = 0; c < size; c++) {
  60             int t = c;
  61 
  62             List<String> conf = new ArrayList<>();
  63             conf.addAll(Arrays.asList(args));
  64             conf.add("-Xmx128m");
  65             conf.add("-XX:+UseShenandoahGC");
  66             conf.add("-XX:+UnlockDiagnosticVMOptions");