8287905: Reduce runtime of java.nio microbenchmarks

Reviewed-by: jvernee

Author: cl4es

test/micro/org/openjdk/bench/java/nio/channels/SelectOne.java

@@ -25,13 +25,16 @@
 
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
 import org.openjdk.jmh.annotations.Mode;
 import org.openjdk.jmh.annotations.OutputTimeUnit;
 import org.openjdk.jmh.annotations.Param;
 import org.openjdk.jmh.annotations.Setup;
 import org.openjdk.jmh.annotations.Scope;
 import org.openjdk.jmh.annotations.State;
 import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
 
 import java.io.IOException;
 import java.net.InetAddress;
@@ -52,6 +55,9 @@
 @BenchmarkMode(Mode.AverageTime)
 @OutputTimeUnit(TimeUnit.NANOSECONDS)
 @State(Scope.Thread)
+@Warmup(iterations = 5, time = 1)
+@Measurement(iterations = 5, time = 1)
+@Fork(value = 3)
 public class SelectOne {
     private Selector sel;
     private List<SocketChannel> clients;

test/micro/org/openjdk/bench/java/nio/channels/SelectorWakeup.java

@@ -24,10 +24,13 @@
 package org.openjdk.bench.java.nio.channels;
 
 import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Fork;
 import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Measurement;
 import org.openjdk.jmh.annotations.Scope;
 import org.openjdk.jmh.annotations.Setup;
 import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
 
 import java.io.*;
 import java.net.*;
@@ -39,6 +42,9 @@
  * epoll(7)-based implementation on Linux.
  */
 @State(Scope.Thread)
+@Warmup(iterations = 5, time = 1)
+@Measurement(iterations = 5, time = 1)
+@Fork(value = 3)
 public class SelectorWakeup {
     private Selector sel;