Java Code Examples for com.sun.management.GarbageCollectorMXBean#getLastGcInfo()

The following examples show how to use com.sun.management.GarbageCollectorMXBean#getLastGcInfo() . 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: MonitorLiveSetSize.java From java-svc with BSD 3-Clause "New" or "Revised" License

5 votes

private static void printLastGCInfo(GarbageCollectorMXBean mBean) {
	GcInfo lastGcInfo = mBean.getLastGcInfo();
	for (Entry<String, MemoryUsage> usage : lastGcInfo.getMemoryUsageAfterGc().entrySet()) {
		System.out.println(String.format("%-25s\tused=%9d kB\tmax=%9d kB", usage.getKey() + ":",
				toKB(usage.getValue().getUsed()), toKB(usage.getValue().getMax())));
	}
}

Example 2

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 3

Source File: MemoryPoolProxy.java From TencentKona-8 with GNU General Public License v2.0

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 4

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 5

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 6

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 7

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), newCount);
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 8

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 9

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 10

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 11

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 12

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 13

Source File: MemoryPoolProxy.java From jmxmon with Apache License 2.0

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported() 
                              ? pool.getUsageThreshold() 
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported() 
                              ? pool.getCollectionUsageThreshold() 
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc = 
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage(); 
    return new MemoryPoolStat(poolName, 
                              usageThreshold, 
                              usage, 
                              gcId, 
                              lastGcStartTime, 
                              lastGcEndTime, 
                              collectThreshold, 
                              beforeGcUsage, 
                              afterGcUsage);
}

Example 14

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}

Example 15

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

4 votes

public MemoryPoolStat getStat() throws java.io.IOException {
    long usageThreshold = (pool.isUsageThresholdSupported()
                              ? pool.getUsageThreshold()
                              : -1);
    long collectThreshold = (pool.isCollectionUsageThresholdSupported()
                              ? pool.getCollectionUsageThreshold()
                              : -1);
    long lastGcStartTime = 0;
    long lastGcEndTime = 0;
    MemoryUsage beforeGcUsage = null;
    MemoryUsage afterGcUsage = null;
    long gcId = 0;
    if (lastGcInfo != null) {
        gcId = lastGcInfo.getId();
        lastGcStartTime = lastGcInfo.getStartTime();
        lastGcEndTime = lastGcInfo.getEndTime();
        beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
        afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
    }

    Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
    for (Map.Entry<ObjectName,Long> e : set) {
        GarbageCollectorMXBean gc =
            client.getMXBean(e.getKey(),
                             com.sun.management.GarbageCollectorMXBean.class);
        Long gcCount = e.getValue();
        Long newCount = gc.getCollectionCount();
        if (newCount > gcCount) {
            gcMBeans.put(e.getKey(), new Long(newCount));
            lastGcInfo = gc.getLastGcInfo();
            if (lastGcInfo.getEndTime() > lastGcEndTime) {
                gcId = lastGcInfo.getId();
                lastGcStartTime = lastGcInfo.getStartTime();
                lastGcEndTime = lastGcInfo.getEndTime();
                beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
                afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
                assert(beforeGcUsage != null);
                assert(afterGcUsage != null);
            }
        }
    }

    MemoryUsage usage = pool.getUsage();
    return new MemoryPoolStat(poolName,
                              usageThreshold,
                              usage,
                              gcId,
                              lastGcStartTime,
                              lastGcEndTime,
                              collectThreshold,
                              beforeGcUsage,
                              afterGcUsage);
}