Package org.openjdk.jmc.flightrecorder.rules.jdk.general

Class FewSampledThreadsRule

java.lang.Object

org.openjdk.jmc.flightrecorder.rules.AbstractRule

org.openjdk.jmc.flightrecorder.rules.jdk.general.FewSampledThreadsRule

All Implemented Interfaces:

IRule

public class FewSampledThreadsRule
extends AbstractRule

Field Summary

Fields

Modifier and Type	Field	Description
static TypedPreference<IQuantity>	CPU_WINDOW_SIZE
static TypedPreference<IQuantity>	MIN_CPU_RATIO_LIMIT
static TypedPreference<IQuantity>	MIN_SAMPLE_COUNT
static TypedPreference<IQuantity>	MIN_SAMPLE_COUNT_PER_THREAD
private static java.lang.String	NEW_PARAGRAPH
static TypedPreference<IQuantity>	SAMPLED_THREADS_RATIO_LIMIT
private static IAggregator<java.lang.Iterable<? extends GroupingAggregator.GroupEntry<IMCThread,Aggregators.CountConsumer>>,?>	SAMPLES_PER_THREAD

Fields inherited from class org.openjdk.jmc.flightrecorder.rules.AbstractRule

evaluationTask

Constructor Summary

Constructors

Constructor	Description
FewSampledThreadsRule()

Method Summary

Modifier and Type	Method	Description
private Result	calculateResult(IItemCollection items, IPreferenceValueProvider vp)
private Result	checkAvailability(IItemCollection items)
private static IItemCollection	getCpuItems(IItemCollection items)
private static java.lang.String	getExtraTypesInfo(IItemCollection items)
private static IQuantity	getHardwareThreads(IItemCollection items)
private Result	getIdleResult(IItemCollection items, IQuantity minCpuRatio, IQuantity windowSize, int sampledThreads)
protected Result	getResult(IItemCollection items, IPreferenceValueProvider vp)

Methods inherited from class org.openjdk.jmc.flightrecorder.rules.AbstractRule

evaluate, getConfigurationAttributes, getId, getName, getTopic

Methods inherited from class java.lang.Object

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

Field Detail

NEW_PARAGRAPH

private static final java.lang.String NEW_PARAGRAPH

See Also:

Constant Field Values

SAMPLES_PER_THREAD

private static final IAggregator<java.lang.Iterable<? extends GroupingAggregator.GroupEntry<IMCThread,Aggregators.CountConsumer>>,?> SAMPLES_PER_THREAD

SAMPLED_THREADS_RATIO_LIMIT

public static final TypedPreference<IQuantity> SAMPLED_THREADS_RATIO_LIMIT

MIN_CPU_RATIO_LIMIT

public static final TypedPreference<IQuantity> MIN_CPU_RATIO_LIMIT

CPU_WINDOW_SIZE

public static final TypedPreference<IQuantity> CPU_WINDOW_SIZE

MIN_SAMPLE_COUNT

public static final TypedPreference<IQuantity> MIN_SAMPLE_COUNT

MIN_SAMPLE_COUNT_PER_THREAD

public static final TypedPreference<IQuantity> MIN_SAMPLE_COUNT_PER_THREAD

Constructor Detail

FewSampledThreadsRule

public FewSampledThreadsRule()

Method Detail

getResult

protected Result getResult(IItemCollection items,
                           IPreferenceValueProvider vp)

Specified by:

getResult in class AbstractRule

calculateResult

private Result calculateResult(IItemCollection items,
                               IPreferenceValueProvider vp)

getIdleResult

private Result getIdleResult(IItemCollection items,
                             IQuantity minCpuRatio,
                             IQuantity windowSize,
                             int sampledThreads)

checkAvailability

private Result checkAvailability(IItemCollection items)

getExtraTypesInfo

private static java.lang.String getExtraTypesInfo(IItemCollection items)

getCpuItems

private static IItemCollection getCpuItems(IItemCollection items)

getHardwareThreads

private static IQuantity getHardwareThreads(IItemCollection items)