Java Code Examples for java.lang.management.MemoryUsage#from()

The following examples show how to use java.lang.management.MemoryUsage#from() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: MemoryUsageCompositeData.java From openjdk-jdk8u with GNU General Public License v2.0

5 votes

public static void badTypeCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Integer(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          badMUItemTypes);
    CompositeData cd =
       new CompositeDataSupport(muct,
                                memoryUsageItemNames,
                                values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 2

Source File: MemoryUsageCompositeData.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

public static void badTypeCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Integer(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          badMUItemTypes);
    CompositeData cd =
       new CompositeDataSupport(muct,
                                memoryUsageItemNames,
                                values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 3

Source File: MemoryUsageCompositeData.java From jdk8u60 with GNU General Public License v2.0

5 votes

public static void badTypeCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Integer(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          badMUItemTypes);
    CompositeData cd =
       new CompositeDataSupport(muct,
                                memoryUsageItemNames,
                                values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 4

Source File: MemoryUsageCompositeData.java From jdk8u-dev-jdk with GNU General Public License v2.0

5 votes

public static void badNameCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Long(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                           badMUItemNames,
                           badMUItemNames,
                           memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 badMUItemNames,
                                 values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 5

Source File: MemoryPoolAdapter.java From baratine with GNU General Public License v2.0

5 votes

public long getTenuredMax()
  throws JMException
{
  CompositeData data
    = (CompositeData) _mbeanServer.getAttribute(getTenuredName(), "Usage");

  MemoryUsage usage = MemoryUsage.from(data);

  return usage.getMax();
}

Example 6

Source File: MemoryUsageCompositeData.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

public static void badNameCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Long(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                           badMUItemNames,
                           badMUItemNames,
                           memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 badMUItemNames,
                                 values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 7

Source File: MemoryUsageCompositeData.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

public static void badTypeCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Integer(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          badMUItemTypes);
    CompositeData cd =
       new CompositeDataSupport(muct,
                                memoryUsageItemNames,
                                values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 8

Source File: MemoryPoolAdapter.java From baratine with GNU General Public License v2.0

5 votes

public long getEdenCommitted()
  throws JMException
{
  CompositeData data
    = (CompositeData) _mbeanServer.getAttribute(getEdenName(), "Usage");

  MemoryUsage usage = MemoryUsage.from(data);

  return usage.getCommitted();
}

Example 9

Source File: MemoryUsageCompositeData.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

public static void badNameCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Long(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                           badMUItemNames,
                           badMUItemNames,
                           memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 badMUItemNames,
                                 values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 10

Source File: MemoryPoolAdapter.java From baratine with GNU General Public License v2.0

5 votes

public long getEdenFree()
  throws JMException
{
  CompositeData data
    = (CompositeData) _mbeanServer.getAttribute(getEdenName(), "Usage");

  MemoryUsage usage = MemoryUsage.from(data);

  return usage.getMax() - usage.getUsed();
}

Example 11

Source File: MemoryUsageCompositeData.java From openjdk-8 with GNU General Public License v2.0

5 votes

public static void badTypeCompositeData() throws Exception {
    final int K = 1024;
    final Object[] values = {
        new Integer(5 * K),
        new Long(1 * K),
        new Long(10 * K),
        new Long(2 * K),
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          badMUItemTypes);
    CompositeData cd =
       new CompositeDataSupport(muct,
                                memoryUsageItemNames,
                                values);
    try {
        MemoryUsage u = MemoryUsage.from(cd);
    } catch (IllegalArgumentException e) {
        System.out.println("Expected exception: " +
            e.getMessage());
        return;
    }
    throw new RuntimeException(
        "IllegalArgumentException not thrown");
}

Example 12

Source File: MemoryUsageCompositeData.java From jdk8u-jdk with GNU General Public License v2.0

4 votes

public static void createGoodCompositeData() throws Exception {
    final int K = 1024;
    // these values are synchronized with the item names
    final Object[] values = {
        new Long(5 * K),  // committed
        new Long(1 * K),  // init
        new Long(10 * K), // max
        new Long(2 * K),  // used
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 memoryUsageItemNames,
                                 values);
    MemoryUsage u = MemoryUsage.from(cd);
    if (u.getInit() != ((Long) values[INIT]).longValue()) {
        throw new RuntimeException("init = " + u.getInit() +
           " expected = " + values[INIT]);
    }
    if (u.getUsed() != ((Long) values[USED]).longValue()) {
        throw new RuntimeException("used = " + u.getUsed() +
           " expected = " + values[USED]);
    }
    if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
        throw new RuntimeException("committed = " + u.getCommitted() +
           " expected = " + values[COMMITTED]);
    }
    if (u.getMax() != ((Long) values[MAX]).longValue()) {
        throw new RuntimeException("max = " + u.getMax() +
           " expected = " + values[MAX]);
    }
    System.out.println(u);
}

Example 13

Source File: MemoryUsageCompositeData.java From jdk8u-dev-jdk with GNU General Public License v2.0

4 votes

public static void createGoodCompositeData() throws Exception {
    final int K = 1024;
    // these values are synchronized with the item names
    final Object[] values = {
        new Long(5 * K),  // committed
        new Long(1 * K),  // init
        new Long(10 * K), // max
        new Long(2 * K),  // used
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 memoryUsageItemNames,
                                 values);
    MemoryUsage u = MemoryUsage.from(cd);
    if (u.getInit() != ((Long) values[INIT]).longValue()) {
        throw new RuntimeException("init = " + u.getInit() +
           " expected = " + values[INIT]);
    }
    if (u.getUsed() != ((Long) values[USED]).longValue()) {
        throw new RuntimeException("used = " + u.getUsed() +
           " expected = " + values[USED]);
    }
    if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
        throw new RuntimeException("committed = " + u.getCommitted() +
           " expected = " + values[COMMITTED]);
    }
    if (u.getMax() != ((Long) values[MAX]).longValue()) {
        throw new RuntimeException("max = " + u.getMax() +
           " expected = " + values[MAX]);
    }
    System.out.println(u);
}

Example 14

Source File: MemoryUsageCompositeData.java From openjdk-8-source with GNU General Public License v2.0

4 votes

public static void createGoodCompositeData() throws Exception {
    final int K = 1024;
    // these values are synchronized with the item names
    final Object[] values = {
        new Long(5 * K),  // committed
        new Long(1 * K),  // init
        new Long(10 * K), // max
        new Long(2 * K),  // used
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 memoryUsageItemNames,
                                 values);
    MemoryUsage u = MemoryUsage.from(cd);
    if (u.getInit() != ((Long) values[INIT]).longValue()) {
        throw new RuntimeException("init = " + u.getInit() +
           " expected = " + values[INIT]);
    }
    if (u.getUsed() != ((Long) values[USED]).longValue()) {
        throw new RuntimeException("used = " + u.getUsed() +
           " expected = " + values[USED]);
    }
    if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
        throw new RuntimeException("committed = " + u.getCommitted() +
           " expected = " + values[COMMITTED]);
    }
    if (u.getMax() != ((Long) values[MAX]).longValue()) {
        throw new RuntimeException("max = " + u.getMax() +
           " expected = " + values[MAX]);
    }
    System.out.println(u);
}

Example 15

Source File: MemoryNotifInfoCompositeData.java From jdk8u-jdk with GNU General Public License v2.0

4 votes

public static MemoryUsage getUsage(CompositeData cd) {
    CompositeData usageData = (CompositeData) cd.get(USAGE);
    return MemoryUsage.from(usageData);
}

Example 16

Source File: MemoryNotifInfoCompositeData.java From dragonwell8_jdk with GNU General Public License v2.0

4 votes

public static MemoryUsage getUsage(CompositeData cd) {
    CompositeData usageData = (CompositeData) cd.get(USAGE);
    return MemoryUsage.from(usageData);
}

Example 17

Source File: MemoryUsageCompositeData.java From openjdk-8 with GNU General Public License v2.0

4 votes

public static void createGoodCompositeData() throws Exception {
    final int K = 1024;
    // these values are synchronized with the item names
    final Object[] values = {
        new Long(5 * K),  // committed
        new Long(1 * K),  // init
        new Long(10 * K), // max
        new Long(2 * K),  // used
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 memoryUsageItemNames,
                                 values);
    MemoryUsage u = MemoryUsage.from(cd);
    if (u.getInit() != ((Long) values[INIT]).longValue()) {
        throw new RuntimeException("init = " + u.getInit() +
           " expected = " + values[INIT]);
    }
    if (u.getUsed() != ((Long) values[USED]).longValue()) {
        throw new RuntimeException("used = " + u.getUsed() +
           " expected = " + values[USED]);
    }
    if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
        throw new RuntimeException("committed = " + u.getCommitted() +
           " expected = " + values[COMMITTED]);
    }
    if (u.getMax() != ((Long) values[MAX]).longValue()) {
        throw new RuntimeException("max = " + u.getMax() +
           " expected = " + values[MAX]);
    }
    System.out.println(u);
}

Example 18

Source File: MemoryUsageCompositeData.java From hottub with GNU General Public License v2.0

4 votes

public static void createGoodCompositeData() throws Exception {
    final int K = 1024;
    // these values are synchronized with the item names
    final Object[] values = {
        new Long(5 * K),  // committed
        new Long(1 * K),  // init
        new Long(10 * K), // max
        new Long(2 * K),  // used
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 memoryUsageItemNames,
                                 values);
    MemoryUsage u = MemoryUsage.from(cd);
    if (u.getInit() != ((Long) values[INIT]).longValue()) {
        throw new RuntimeException("init = " + u.getInit() +
           " expected = " + values[INIT]);
    }
    if (u.getUsed() != ((Long) values[USED]).longValue()) {
        throw new RuntimeException("used = " + u.getUsed() +
           " expected = " + values[USED]);
    }
    if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
        throw new RuntimeException("committed = " + u.getCommitted() +
           " expected = " + values[COMMITTED]);
    }
    if (u.getMax() != ((Long) values[MAX]).longValue()) {
        throw new RuntimeException("max = " + u.getMax() +
           " expected = " + values[MAX]);
    }
    System.out.println(u);
}

Example 19

Source File: MemoryNotifInfoCompositeData.java From openjdk-jdk9 with GNU General Public License v2.0

4 votes

public static MemoryUsage getUsage(CompositeData cd) {
    CompositeData usageData = (CompositeData) cd.get(USAGE);
    return MemoryUsage.from(usageData);
}

Example 20

Source File: MemoryUsageCompositeData.java From jdk8u_jdk with GNU General Public License v2.0

4 votes

public static void createGoodCompositeData() throws Exception {
    final int K = 1024;
    // these values are synchronized with the item names
    final Object[] values = {
        new Long(5 * K),  // committed
        new Long(1 * K),  // init
        new Long(10 * K), // max
        new Long(2 * K),  // used
        "Dummy",
        "Dummy",
    };

    CompositeType muct =
        new CompositeType("MyMemoryUsageCompositeType",
                          "CompositeType for MemoryUsage",
                          memoryUsageItemNames,
                          memoryUsageItemNames,
                          memoryUsageItemTypes);
    CompositeData cd =
        new CompositeDataSupport(muct,
                                 memoryUsageItemNames,
                                 values);
    MemoryUsage u = MemoryUsage.from(cd);
    if (u.getInit() != ((Long) values[INIT]).longValue()) {
        throw new RuntimeException("init = " + u.getInit() +
           " expected = " + values[INIT]);
    }
    if (u.getUsed() != ((Long) values[USED]).longValue()) {
        throw new RuntimeException("used = " + u.getUsed() +
           " expected = " + values[USED]);
    }
    if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) {
        throw new RuntimeException("committed = " + u.getCommitted() +
           " expected = " + values[COMMITTED]);
    }
    if (u.getMax() != ((Long) values[MAX]).longValue()) {
        throw new RuntimeException("max = " + u.getMax() +
           " expected = " + values[MAX]);
    }
    System.out.println(u);
}