org.ow2.clif.probe.memory.linux

Class GenericProbe

java.lang.Object

org.ow2.clif.probe.memory.linux.GenericProbe

public class GenericProbe
extends java.lang.Object

Linux generic memory probe intended to be more impervious to /proc file format changes. Reads data from /proc/meminfo, supposed to be formatted as a list of "attribute: value [unit]" lines.

Author:

Bruno Dillenseger

Constructor Summary

Constructors

Constructor and Description
GenericProbe(java.lang.String[] fields) Creates a new memory probe that will return only the mentioned attributes' values, in the very same order.

Method Summary

Modifier and Type	Method and Description
long[]	getData() Reads the system data source file for memory usage, and returns the values of attributes of interest.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericProbe

public GenericProbe(java.lang.String[] fields)
             throws java.lang.Exception

Creates a new memory probe that will return only the mentioned attributes' values, in the very same order.

Parameters:

fields - names of attributes of interest.

Throws:

java.lang.Exception - an attribute name does not exist

See Also:

getData()

Method Detail

getData

public long[] getData()
               throws java.io.IOException

Reads the system data source file for memory usage, and returns the values of attributes of interest.

Returns:

values of memory attributes of interest, as specified at probe creation (in the same order).

Throws:

java.io.IOException - for some reason, the system data source file could not be read, or more probably the file format is not compatible with this probe.

See Also:

GenericProbe(String[])