com.oracle.truffle.tools.profiler

Class StackTraceEntry

java.lang.Object

com.oracle.truffle.tools.profiler.StackTraceEntry

public final class StackTraceEntry
extends Object

An entry in a stack trace, as returned by CPUSampler.takeSample(). Each entry represents a single element on the stack that is currently being executed. Stack trace entries may represent a root, expression or statement execution. The frame at the top of the stack represents the execution point at which the stack trace was generated.

Since:

19.0

See Also:

CPUSampler.takeSample()

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getRootName() Returns the name of the root node.
com.oracle.truffle.api.source.SourceSection	getSourceSection() Returns the source section of the stack trace entry.
Set<Class<?>>	getTags() Returns a set tags a stack location marked with.
int	getTier()
int	hashCode()
boolean	isCompilationRoot()
StackTraceElement	toStackTraceElement() Converts the stack trace entry to a Java stack trace element.
String	toString()

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getTier

public int getTier()

Returns:

with which tier was this entry compiled. Note: Tier 0 represents the interpreter.

Since:

21.3.0

isCompilationRoot

public boolean isCompilationRoot()

Returns:

true if the entry was a compilation root, false if it was inlined. Interpreted enries are implicitly considered compilation roots.

Since:

21.3.0

getSourceSection

public com.oracle.truffle.api.source.SourceSection getSourceSection()

Returns the source section of the stack trace entry.

Since:

19.0

getRootName

public String getRootName()

Returns the name of the root node. For elements that don't represent a guest language root like statements and expressions this returns the name of the enclosing root.

Since:

19.0

See Also:

RootNode.getName()

getTags

public Set<Class<?>> getTags()

Returns a set tags a stack location marked with. Common tags are root, statement and expression. Whether statement or expression stack trace entries appear depends on the configured filter. Never null.

Since:

19.0

See Also:

Instrumenter.queryTags(Node)

toStackTraceElement

public StackTraceElement toStackTraceElement()

Converts the stack trace entry to a Java stack trace element. No guarantees are provided about the format of the stack trace element. The format of the stack trace element may change without notice.

Since:

19.0

hashCode

public int hashCode()

Overrides:

hashCode in class Object

Since:

19.0

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Since:

19.0

toString

public String toString()

Overrides:

toString in class Object

Since:

19.0