org.apache.skywalking.apm.agent.core.jvm.cpu

Class CPUMetricsAccessor

java.lang.Object

org.apache.skywalking.apm.agent.core.jvm.cpu.CPUMetricsAccessor

Direct Known Subclasses:

NoSupportedCPUAccessor, SunCpuAccessor

public abstract class CPUMetricsAccessor
extends Object

The unit of CPU usage is 1/10000. The backend is using `avg` func directly, and query for percentage requires this unit.

Author:

wusheng

Constructor Summary

Constructors

Constructor and Description
CPUMetricsAccessor(int cpuCoreNum)

Method Summary

Modifier and Type	Method and Description
CPU	getCPUMetrics()
protected abstract long	getCpuTime()
protected void	init()

Methods inherited from class java.lang.Object

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

Constructor Detail

CPUMetricsAccessor

public CPUMetricsAccessor(int cpuCoreNum)

Method Detail

init

protected void init()

getCpuTime

protected abstract long getCpuTime()

getCPUMetrics

public CPU getCPUMetrics()