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原创
2012/12/11 17:43
阅读数 735
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import java.lang.management.ManagementFactory; |
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import java.lang.management.RuntimeMXBean; |
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import javax.management.MBeanServer; |
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import javax.management.ObjectName; |
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* 不同平台和版本下，Mbeans名字不一样。本例为win32+jdk 7_b07 |
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* Date:2012-12-9 下午7:18:29 |
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public class MBeanAccess { |
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public static void main(String[] args) throws Exception { |
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MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); |
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ObjectName youngMBean = newObjectName("java.lang:type=GarbageCollector,name=MarkSweepCompact"); |
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ObjectName tenuredMBean = newObjectName("java.lang:type=GarbageCollector,name=Copy"); |
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System.out.println("YGC:" + mbs.getAttribute(youngMBean,"CollectionCount")); |
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System.out.println("FGC:" + mbs.getAttribute(tenuredMBean,"CollectionCount")); |
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System.out.println("YGC:" + mbs.getAttribute(youngMBean,"CollectionCount")); |
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System.out.println("FGC:" + mbs.getAttribute(tenuredMBean,"CollectionCount")); |
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System.out.println("pid: " + pid); |
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//System.in.read(); // block the program so that we can do some probing on it |
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private static int getPid() { |
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RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean(); |
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String name = runtime.getName(); // format: "pid@hostname" |
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return Integer.parseInt(name.substring(0, name.indexOf('@'))); |
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} catch (Exception e) { |
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