Package org.ow2.clif.probe.memory.linux

Class 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 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

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method 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[])