com.bigdata.counters.linux

Class SarCpuUtilizationCollector

java.lang.Object

com.bigdata.counters.AbstractProcessCollector

com.bigdata.counters.linux.SarCpuUtilizationCollector

All Implemented Interfaces:

ICounterHierarchy, ICounterSetAccess, IHostCounters, IRequiredHostCounters, IStatisticsCollector

public class SarCpuUtilizationCollector
extends AbstractProcessCollector
implements ICounterHierarchy, IRequiredHostCounters, IHostCounters

Collects statistics on the CPU utilization for the entire host using sar -u.

Author:

Bryan Thompson

Field Summary

Fields inherited from class com.bigdata.counters.AbstractProcessCollector

activeProcess, log

Fields inherited from interface com.bigdata.counters.IHostCounters

CPU_PercentIOWait, CPU_PercentSystemTime, CPU_PercentUserTime, Info_NumProcessors, Info_ProcessorInfo, Memory_Bytes_Available, Memory_Bytes_Free, Memory_MinorFaultsPerSec, Memory_SwapBytesAvailable, Memory_SwapBytesUsed, PhysicalDisk_BytesPerSec, PhysicalDisk_ReadsPerSec, PhysicalDisk_TransfersPerSec, PhysicalDisk_WritesPerSec

Fields inherited from interface com.bigdata.counters.IRequiredHostCounters

CPU_PercentProcessorTime, Info_Architecture, Info_OperatingSystemName, Info_OperatingSystemVersion, LogicalDisk_PercentFreeSpace, Memory_majorFaultsPerSecond, PhysicalDisk_BytesReadPerSec, PhysicalDisk_BytesWrittenPerSec

Fields inherited from interface com.bigdata.counters.ICounterHierarchy

CPU, Info, LogicalDisk, Memory, Memory_GarbageCollectors, Memory_Memory_Pools, PhysicalDisk, ps

Constructor Summary

Constructors

Constructor and Description
SarCpuUtilizationCollector(int interval, KernelVersion kernelVersion)

Method Summary

Methods

Modifier and Type	Method and Description
List<String>	getCommand()
CounterSet	getCounters() Return performance counters.
AbstractProcessReader	getProcessReader()
protected void	setEnvironment(Map<String,String> env) Extended to force sar to use a consistent timestamp format regardless of locale by setting S_TIME_FORMAT="ISO" in the environment.

Methods inherited from class com.bigdata.counters.AbstractProcessCollector

getInterval, start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

SarCpuUtilizationCollector

public SarCpuUtilizationCollector(int interval,
                          KernelVersion kernelVersion)

Parameters:

interval - The reporting interval in seconds.

kernelVersion -

Method Detail

getCommand

public List<String> getCommand()

Specified by:

getCommand in class AbstractProcessCollector

getCounters

public CounterSet getCounters()

Description copied from interface: ICounterSetAccess

Return performance counters.

Specified by:

getCounters in interface ICounterSetAccess

setEnvironment

protected void setEnvironment(Map<String,String> env)

Extended to force sar to use a consistent timestamp format regardless of locale by setting S_TIME_FORMAT="ISO" in the environment.

Overrides:

setEnvironment in class AbstractProcessCollector

getProcessReader

public AbstractProcessReader getProcessReader()

Specified by:

getProcessReader in class AbstractProcessCollector