SystemResourcesUtil

java.lang.Object
- org.palladiosimulator.protocom.resourcestrategies.system.SystemResourcesUtil

public final class SystemResourcesUtil
extends Object

Helper class for monitoring system resources.

Field Summary

Fields
Modifier and Type Field Description

static File TEMP_DIR
This systems' temp directory.

Constructor Summary

Constructors
Constructor Description

SystemResourcesUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static int`	`getCPUCores()`	Returns the number of CPU cores.
`static org.jscience.physics.amount.Amount<javax.measure.quantity.Duration>`	`getCPUProcessTime()`	Returns the CPU time used by this JVM
`static double`	`getCPUProcessTimeNS()`	Returns the CPU time used by this JVM
`static long`	`getFreePhysicalMemorySize()`	Returns the free physical memory in bytes.
`static long`	`getFreeTempDirectorySize()`	Returns the free space of the temp directory
`static long`	`getTotalPhysicalMemorySize()`	Returns the total size of the physical memory in bytes.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - TEMP_DIR
```
public static final File TEMP_DIR
```
    This systems' temp directory. Due to inconsistencies between different systems a file separator is added.
- Constructor Detail
  - SystemResourcesUtil
```
public SystemResourcesUtil()
```
- Method Detail
  - getTotalPhysicalMemorySize
```
public static long getTotalPhysicalMemorySize()
```
    Returns the total size of the physical memory in bytes.
    
    Returns:
    
    total memory in bytes
  - getFreePhysicalMemorySize
```
public static long getFreePhysicalMemorySize()
```
    Returns the free physical memory in bytes.
    
    Returns:
    
    free memory in bytes
  - getFreeTempDirectorySize
```
public static long getFreeTempDirectorySize()
```
    Returns the free space of the temp directory
    
    Returns:
    
    free space in bytes
  - getCPUCores
```
public static int getCPUCores()
```
    Returns the number of CPU cores.
    
    Returns:
    
    CPU cores
  - getCPUProcessTimeNS
```
public static double getCPUProcessTimeNS()
```
    Returns the CPU time used by this JVM
    
    Returns:
    
    CPU usage in nanoseconds
  - getCPUProcessTime
```
public static org.jscience.physics.amount.Amount<javax.measure.quantity.Duration> getCPUProcessTime()
```
    Returns the CPU time used by this JVM
    
    Returns:
    
    CPU usage as a JScience object