org.graalvm.compiler.replacements

Class SnippetIntegerHistogram

java.lang.Object

org.graalvm.compiler.replacements.SnippetIntegerHistogram

public final class SnippetIntegerHistogram
extends Object

A histogram that can (only) be incremented from within a snippet for gathering snippet specific metrics.

Field Summary

Fields

Modifier and Type	Field and Description
static SnippetIntegerHistogram	DISABLED_COUNTER

Constructor Summary

Constructors

Constructor and Description
SnippetIntegerHistogram(SnippetCounter.Group group, int log2StepLength, String name, String description)

Method Summary

Modifier and Type	Method and Description
void	inc(long value) Increments the value of the matching histogram element.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DISABLED_COUNTER

public static final SnippetIntegerHistogram DISABLED_COUNTER

Constructor Detail

SnippetIntegerHistogram

public SnippetIntegerHistogram(SnippetCounter.Group group,
                               int log2StepLength,
                               String name,
                               String description)

Method Detail

inc

public void inc(long value)

Increments the value of the matching histogram element. This method can only be used in a snippet on a compile-time constant SnippetIntegerHistogram object.

toString

public String toString()

Overrides:

toString in class Object