PageBoxLib
Class LinuxUsageProbe

java.lang.Object
  PageBoxLib.LinuxUsageProbe

All Implemented Interfaces:

UsageIF

class LinuxUsageProbe

extends java.lang.Object

implements UsageIF

Returns resource data on Linux. Returns a UsageIF object.

alexis.grandemange@pagebox.net

Copyright (c) 2002-2004 Alexis Grandemange

This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public License
 as published by the Free Software Foundation; version 2.1 of the
 License.
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU Lesser General Public License for more details.
 A copy of the GNU Lesser General Public License lesser.txt should be
 included in the distribution.

Version:

0, 0, 13

Author:

Alexis Grandemange

Field Summary

(package private) boolean	first true at first call of collect.
(package private) int	idleJiffies number of jiffies (1/100ths of a second) in idle process
(package private) Log	log Logging object
(package private) int	systemJiffies number of jiffies (1/100ths of a second) in system mode
(package private) long	time Last measurement time
(package private) int	userJiffies number of jiffies (1/100ths of a second) in user mode
(package private) int	userLowJiffies number of jiffies (1/100ths of a second) in user low (nice) mode

Constructor Summary

(package private)

LinuxUsageProbe(Log log) Constructor.

Method Summary

ResourceUsage

collect() Get resource usage information.

Methods inherited from class java.lang.Object

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

Field Detail

userJiffies

int userJiffies

number of jiffies (1/100ths of a second) in user mode

userLowJiffies

int userLowJiffies

number of jiffies (1/100ths of a second) in user low (nice) mode

systemJiffies

int systemJiffies

number of jiffies (1/100ths of a second) in system mode

idleJiffies

int idleJiffies

number of jiffies (1/100ths of a second) in idle process

time

long time

Last measurement time

first

boolean first

true at first call of collect. Then measure is not valid.

log

Log log

Logging object

Constructor Detail

LinuxUsageProbe

LinuxUsageProbe(Log log)

Constructor.

Parameters:

log - logging object

Method Detail

collect

public ResourceUsage collect()

Get resource usage information. From UsageIF.

Specified by:

collect in interface UsageIF

Returns:

ResourceUsage object