How to use Main class of perf package

Best Karate code snippet using perf.Main

Source:TestMetaspacePerfCounters.java

1/*2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.4 *5 * This code is free software; you can redistribute it and/or modify it6 * under the terms of the GNU General Public License version 2 only, as7 * published by the Free Software Foundation.8 *9 * This code is distributed in the hope that it will be useful, but WITHOUT10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License12 * version 2 for more details (a copy is included in the LICENSE file that13 * accompanied this code).14 *15 * You should have received a copy of the GNU General Public License version16 * 2 along with this work; if not, write to the Free Software Foundation,17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.18 *19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA20 * or visit www.oracle.com if you need additional information or have any21 * questions.22 */23import java.util.List;24import java.util.ArrayList;25import com.oracle.java.testlibrary.*;26import static com.oracle.java.testlibrary.Asserts.*;27/* @test TestMetaspacePerfCounters28 * @bug 801465929 * @library /testlibrary30 * @summary Tests that performance counters for metaspace and compressed class31 *          space exists and works.32 *33 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters34 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters36 *37 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters38 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters39 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters40 */41public class TestMetaspacePerfCounters {42    public static Class fooClass = null;43    private static final String[] counterNames = {"minCapacity", "maxCapacity", "capacity", "used"};44    public static void main(String[] args) throws Exception {45        String metaspace = "sun.gc.metaspace";46        String ccs = "sun.gc.compressedclassspace";47        checkPerfCounters(metaspace);48        if (isUsingCompressedClassPointers()) {49            checkPerfCounters(ccs);50            checkUsedIncreasesWhenLoadingClass(ccs);51        } else {52            checkEmptyPerfCounters(ccs);53            checkUsedIncreasesWhenLoadingClass(metaspace);54        }55    }56    private static void checkPerfCounters(String ns) throws Exception {57        long minCapacity = getMinCapacity(ns);58        long maxCapacity = getMaxCapacity(ns);59        long capacity = getCapacity(ns);60        long used = getUsed(ns);61        assertGTE(minCapacity, 0L);62        assertGTE(used, minCapacity);63        assertGTE(capacity, used);64        assertGTE(maxCapacity, capacity);65    }66    private static void checkEmptyPerfCounters(String ns) throws Exception {67        for (PerfCounter counter : countersInNamespace(ns)) {68            String msg = "Expected " + counter.getName() + " to equal 0";69            assertEQ(counter.longValue(), 0L, msg);70        }71    }72    private static void checkUsedIncreasesWhenLoadingClass(String ns) throws Exception {73        long before = getUsed(ns);74        fooClass = compileAndLoad("Foo", "public class Foo { }");75        System.gc();76        long after = getUsed(ns);77        assertGT(after, before);78    }79    private static List<PerfCounter> countersInNamespace(String ns) throws Exception {80        List<PerfCounter> counters = new ArrayList<>();81        for (String name : counterNames) {82            counters.add(PerfCounters.findByName(ns + "." + name));83        }84        return counters;85    }86    private static Class<?> compileAndLoad(String name, String source) throws Exception {87        byte[] byteCode = InMemoryJavaCompiler.compile(name, source);88        return ByteCodeLoader.load(name, byteCode);89    }90    private static boolean isUsingCompressedClassPointers() {91        return Platform.is64bit() && InputArguments.contains("-XX:+UseCompressedClassPointers");92    }93    private static long getMinCapacity(String ns) throws Exception {94        return PerfCounters.findByName(ns + ".minCapacity").longValue();95    }96    private static long getCapacity(String ns) throws Exception {97        return PerfCounters.findByName(ns + ".capacity").longValue();98    }99    private static long getMaxCapacity(String ns) throws Exception {100        return PerfCounters.findByName(ns + ".maxCapacity").longValue();101    }102    private static long getUsed(String ns) throws Exception {103        return PerfCounters.findByName(ns + ".used").longValue();104    }105}...

Source:PerfMerge.java

...59			ArrayList<PerfomanceReport> perfReps) {60		61		PerfomanceReport mainRpt = new PerfomanceReport();62		for (PerfomanceReport perfRpt : perfReps)63			mergeToMain(mainRpt, perfRpt);64		65		sortByTimeAfterMerge(mainRpt);66		return mainRpt;67	}68	public static void sortByTimeAfterMerge(PerfomanceReport mainRpt) {69		70		for (Operation op: mainRpt.getOperations())71			Collections.sort(op.getResponseTimes(), new Comparator<ResponseTime>() {72			    public int compare(ResponseTime rt1, ResponseTime rt2) {73			        return rt1.getTime().compareTo(rt2.getTime());74			    }75			});76	}77	private static void mergeToMain(PerfomanceReport mainRpt,78			PerfomanceReport perfRpt) {79		for (Operation op : perfRpt.getOperations()){80			Operation mop = mainRpt.findOperation(op.getName());81			if (mop == null){82				mainRpt.getOperations().add(op);83			} else {84				mop.getResponseTimes().addAll(op.getResponseTimes());85			}86		}87		88	}89}...

Main

Using AI Code Generation

1import perf.Main;2public class 4 {3    public static void main(String[] args) {4        Main.main(args);5    }6}7import perf.Main;8public class 5 {9    public static void main(String[] args) {10        Main.main(args);11    }12}13import perf.Main;14public class 6 {15    public static void main(String[] args) {16        Main.main(args);17    }18}19import perf.Main;20public class 7 {21    public static void main(String[] args) {22        Main.main(args);23    }24}25import perf.Main;26public class 8 {27    public static void main(String[] args) {28        Main.main(args);29    }30}31import perf.Main;32public class 9 {33    public static void main(String[] args) {34        Main.main(args);35    }36}37import perf.Main;38public class 10 {39    public static void main(String[] args) {40        Main.main(args);41    }42}43import perf.Main;44public class 11 {45    public static void main(String[] args) {46        Main.main(args);47    }48}49import perf.Main;50public class 12 {51    public static void main(String[] args) {52        Main.main(args);53    }54}55import perf.Main;56public class 13 {57    public static void main(String[] args) {58        Main.main(args);59    }60}61import perf.Main;62public class 14 {63    public static void main(String[] args) {64        Main.main(args);65    }66}67import perf.Main;68public class 15 {

Main

Using AI Code Generation

1import perf.Main;2public class 4 extends Main {3    public static void main(String[] args) {4        Main.main(args);5    }6}7import perf.Main;8public class 5 extends Main {9    public static void main(String[] args) {10        Main.main(args);11    }12}13import perf.Main;14public class 6 extends Main {15    public static void main(String[] args) {16        Main.main(args);17    }18}19import perf.Main;20public class 7 extends Main {21    public static void main(String[] args) {22        Main.main(args);23    }24}25import perf.Main;26public class 8 extends Main {27    public static void main(String[] args) {28        Main.main(args);29    }30}31import perf.Main;32public class 9 extends Main {33    public static void main(String[] args) {34        Main.main(args);35    }36}37import perf.Main;38public class 10 extends Main {39    public static void main(String[] args) {40        Main.main(args);41    }42}43import perf.Main;44public class 11 extends Main {45    public static void main(String[] args) {46        Main.main(args);47    }48}49import perf.Main;50public class 12 extends Main {51    public static void main(String[] args) {52        Main.main(args);53    }54}55import perf.Main;56public class 13 extends Main {57    public static void main(String[] args) {58        Main.main(args);59    }60}61import perf.Main;62public class 14 extends Main {63    public static void main(String[] args) {64        Main.main(args);65    }66}

Main

Using AI Code Generation

1import perf.Main;2{3  public static void main(String[] args)4  {5    Main.main(args);6  }7}8package perf;9{10  public static void main(String[] args)11  {12    System.out.println("Hello World!");13  }14}

Main

Using AI Code Generation

1import perf.Main;2import perf.Test;3public class 4 extends Test {4  public static void main(String[] args) {5    Main.main(args);6  }7}8import perf.Main;9import perf.Test;10public class 5 extends Test {11  public static void main(String[] args) {12    Main.main(args);13  }14}15import perf.Main;16import perf.Test;17public class 6 extends Test {18  public static void main(String[] args) {19    Main.main(args);20  }21}22import perf.Main;23import perf.Test;24public class 7 extends Test {25  public static void main(String[] args) {26    Main.main(args);27  }28}29import perf.Main;30import perf.Test;31public class 8 extends Test {32  public static void main(String[] args) {33    Main.main(args);34  }35}36import perf.Main;37import perf.Test;38public class 9 extends Test {39  public static void main(String[] args) {40    Main.main(args);41  }42}43import perf.Main;44import perf.Test;45public class 10 extends Test {46  public static void main(String[] args) {47    Main.main(args);48  }49}50import perf.Main;51import perf.Test;52public class 11 extends Test {53  public static void main(String[] args) {54    Main.main(args);55  }56}57import perf.Main;58import perf.Test;59public class 12 extends Test {60  public static void main(String[] args) {61    Main.main(args);62  }63}64import perf.Main;65import perf.Test;66public class 13 extends Test {67  public static void main(String[] args) {68    Main.main(args);69  }70}

Main

Using AI Code Generation

1import java.util.*;2import java.io.*;3import java.lang.*;4import java.lang.reflect.*;5import java.util.concurrent.*;6import java.util.concurrent.atomic.*;7import java.util.concurrent.locks.*;8public class 4 {9  public static void main(String[] args) {10    System.out.println("Hello World!");11  }12}13import java.util.*;14import java.io.*;15import java.lang.*;16import java.lang.reflect.*;17import java.util.concurrent.*;18import java.util.concurrent.atomic.*;19import java.util.concurrent.locks.*;20public class 5 {21  public static void main(String[] args) {22    System.out.println("Hello World!");23  }24}25import java.util.*;26import java.io.*;27import java.lang.*;28import java.lang.reflect.*;29import java.util.concurrent.*;30import java.util.concurrent.atomic.*;31import java.util.concurrent.locks.*;32public class 6 {33  public static void main(String[] args) {34    System.out.println("Hello World!");35  }36}37import java.util.*;38import java.io.*;39import java.lang.*;40import java.lang.reflect.*;41import java.util.concurrent.*;42import java.util.concurrent.atomic.*;43import java.util.concurrent.locks.*;44public class 7 {45  public static void main(String[] args) {46    System.out.println("Hello World!");47  }48}49import java.util.*;50import java.io.*;51import java.lang.*;52import java.lang.reflect.*;53import java.util.concurrent.*;54import java.util.concurrent.atomic.*;55import java.util.concurrent.locks.*;56public class 8 {57  public static void main(String[] args) {58    System.out.println("Hello World!");59  }60}61import java.util.*;62import java.io.*;63import java.lang.*;64import java.lang.reflect.*;65import java.util.concurrent.*;66import java.util.concurrent.atomic.*;67import java.util.concurrent.locks.*;

Main

Using AI Code Generation

1import perf.Main;2public class 4 {3    public static void main(String[] args) {4        Main m = new Main();5        m.main(args);6    }7}8import perf.Main;9public class 4 {10    public static void main(String[] args) {11        Main m = new Main();12        m.main(args);13    }14}15import perf.Main;16        Main m = new Main();17        Main m = new Main();

Main

Using AI Code Generation

1import perf.Main;2import java.io.*;3public class 4 {4    public static void main(String[] args) {5        Main.main(args);6    }7}8public class A {9    public static void main(String[] args) {10        System.out.println("Hello Java");11    }12}13public class A {14    public static void main(String[] args) {15        System.out.println("Hello Java");16    }17}18public class A {19    public static void main(String[] args) {20        System.out.println("Hello Java");21    }22}

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