Package oshi.driver.windows.registry

Class ProcessPerformanceData

java.lang.Object

oshi.driver.windows.registry.ProcessPerformanceData

@ThreadSafe
public final class ProcessPerformanceData
extends java.lang.Object

Utility to read process data from HKEY_PERFORMANCE_DATA information with backup from Performance Counters or WMI

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ProcessPerformanceData.PerfCounterBlock	Class to encapsulate data from the registry performance counter block

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	WIN_HKEY_PERFDATA

Method Summary

Modifier and Type	Method	Description
static java.util.Map<java.lang.Integer,ProcessPerformanceData.PerfCounterBlock>	buildProcessMapFromPerfCounters(java.util.Collection<java.lang.Integer> pids)	Query PerfMon for process performance counters
static java.util.Map<java.lang.Integer,ProcessPerformanceData.PerfCounterBlock>	buildProcessMapFromRegistry(java.util.Collection<java.lang.Integer> pids)	Query the registry for process performance counters

Methods inherited from class java.lang.Object

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

Field Details

WIN_HKEY_PERFDATA

public static final java.lang.String WIN_HKEY_PERFDATA

See Also:

Constant Field Values

Method Details

buildProcessMapFromRegistry

public static java.util.Map<java.lang.Integer,ProcessPerformanceData.PerfCounterBlock> buildProcessMapFromRegistry(java.util.Collection<java.lang.Integer> pids)

Query the registry for process performance counters

Parameters:

pids - An optional collection of process IDs to filter the list to. May be null for no filtering.

Returns:

A map with Process ID as the key and a ProcessPerformanceData.PerfCounterBlock object populated with performance counter information if successful, or null otherwise.

buildProcessMapFromPerfCounters

public static java.util.Map<java.lang.Integer,ProcessPerformanceData.PerfCounterBlock> buildProcessMapFromPerfCounters(java.util.Collection<java.lang.Integer> pids)

Query PerfMon for process performance counters

Parameters:

pids - An optional collection of process IDs to filter the list to. May be null for no filtering.

Returns:

A map with Process ID as the key and a ProcessPerformanceData.PerfCounterBlock object populated with performance counter information.