Package one.jfr

Class JfrReader

java.lang.Object

one.jfr.JfrReader

All Implemented Interfaces:

Closeable, AutoCloseable

public class JfrReader
extends Object
implements Closeable

Parses JFR output produced by async-profiler.

Field Summary

Fields

Modifier and Type	Field	Description
final Dictionary<ClassRef>	classes
long	endNanos
final Map<Integer,String>	frameTypes
boolean	incomplete
final Dictionary<MethodRef>	methods
final Map<String,String>	settings
final Dictionary<StackTrace>	stackTraces
long	startNanos
long	startTicks
final Dictionary<byte[]>	symbols
final Dictionary<String>	threads
final Map<Integer,String>	threadStates
long	ticksPerSec
final Dictionary<one.jfr.JfrClass>	types
final Map<String,one.jfr.JfrClass>	typesByName

Constructor Summary

Constructors

Constructor	Description
JfrReader(String fileName)

Method Summary

Modifier and Type	Method	Description
void	close()
long	durationNanos()
long	nanosToTicks(long nanos)
List<Event>	readAllEvents()
<E extends Event> List<E>	readAllEvents(Class<E> cls)
Event	readEvent()
<E extends Event> E	readEvent(Class<E> cls)

Methods inherited from class java.lang.Object

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

Field Details

incomplete

public boolean incomplete

startNanos

public long startNanos

endNanos

public long endNanos

startTicks

public long startTicks

ticksPerSec

public long ticksPerSec

types

public final Dictionary<one.jfr.JfrClass> types

typesByName

public final Map<String,one.jfr.JfrClass> typesByName

threads

public final Dictionary<String> threads

classes

public final Dictionary<ClassRef> classes

symbols

public final Dictionary<byte[]> symbols

methods

public final Dictionary<MethodRef> methods

stackTraces

public final Dictionary<StackTrace> stackTraces

frameTypes

public final Map<Integer,String> frameTypes

threadStates

public final Map<Integer,String> threadStates

settings

public final Map<String,String> settings

Constructor Details

JfrReader

public JfrReader(String fileName)
          throws IOException

Throws:

IOException

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

durationNanos

public long durationNanos()

nanosToTicks

public long nanosToTicks(long nanos)

readAllEvents

public List<Event> readAllEvents()
                          throws IOException

Throws:

IOException

readAllEvents

public <E extends Event> List<E> readAllEvents(Class<E> cls)
                                        throws IOException

Throws:

IOException

readEvent

public Event readEvent()
                throws IOException

Throws:

IOException

readEvent

public <E extends Event> E readEvent(Class<E> cls)
                              throws IOException

Throws:

IOException