initial commit

GCAllocationTest.jsh

@@ -0,0 +1,20 @@
+//usr/bin/env jshell --show-version --execution local '-J-Xlog:gc+ergo*=trace:/tmp/gc.log' "$0" "$@"; exit $?
+
+/*
+  usage:  jshell '-J-Xlog:gc*=trace:/tmp/gclog.log' --execution local GCAllocationTest.jsh
+*/
+
+import java.util.stream.IntStream; 
+import java.util.Random;
+
+int MB = 1024 * 1024;
+
+IntStream.range(0, 30000).forEachOrdered(n -> {
+    if (n % 1000 == 0) { System.out.println(n); };
+	java.util.Random random = new java.util.Random();
+	int size = MB * (1 + random.nextInt(20));
+    byte[] a1 = new byte[size];
+    a1[1] = 1;
+});
+
+/exit