com.bigdata.counters.linux
Class SarCpuUtilizationCollector

java.lang.Object
  com.bigdata.counters.AbstractProcessCollector
      com.bigdata.counters.linux.SarCpuUtilizationCollector

All Implemented Interfaces:

ICounterHierarchy, 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.

Version:

$Id: SarCpuUtilizationCollector.java 2265 2009-10-26 12:51:06Z thompsonbry $

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_ReadsPerSec, 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, PhysicalDisk, ps

Constructor Summary

SarCpuUtilizationCollector(int interval, KernelVersion kernelVersion)

Method Summary

List<String>	getCommand()
CounterSet	getCounters() Declares the counters that we will collect using sar.
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()

Declares the counters that we will collect using sar.

Specified by:

getCounters in interface IStatisticsCollector

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