org.jupiter.common.util

类 JvmTools

java.lang.Object

org.jupiter.common.util.JvmTools

public class JvmTools
extends Object

Jupiter org.jupiter.common.util

作者:

jiachun.fjc

构造器概要

构造器

构造器和说明
JvmTools()

方法概要

方法

限定符和类型	方法和说明
static void	jMap(String outputFile, boolean live) Dumps the heap to the outputFile file in the same format as the hprof heap dump.
static List<String>	jStack() Returns java stack traces of java threads for the current java process.
static List<String>	memoryUsage() Returns memory usage for the current java process.
static double	memoryUsed() Returns the heap memory used for the current java process.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

JvmTools

public JvmTools()

方法详细资料

jStack

public static List<String> jStack()
                           throws Exception

Returns java stack traces of java threads for the current java process.

抛出:

Exception

memoryUsage

public static List<String> memoryUsage()
                                throws Exception

Returns memory usage for the current java process.

抛出:

Exception

memoryUsed

public static double memoryUsed()
                         throws Exception

Returns the heap memory used for the current java process.

抛出:

Exception

jMap

public static void jMap(String outputFile,
        boolean live)
                 throws Exception

Dumps the heap to the outputFile file in the same format as the hprof heap dump.

参数:

outputFile - the system-dependent filename

live - if true dump only live objects i.e. objects that are reachable from others

抛出:

Exception