Module openj9.traceformat

Package com.ibm.jvm.format

Class TraceFileHeader

java.lang.Object

com.ibm.jvm.format.TraceFileHeader

All Implemented Interfaces:

TraceFileHeader

public final class TraceFileHeader
extends Object
implements TraceFileHeader

Encapsulates the header for a trace file.

Field Summary

Fields

Modifier and Type	Field	Description
protected static int	EXTERNAL
protected static int	INTERNAL
protected TraceSection	traceSection

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TraceFileHeader(TraceFile traceFile)

Method Summary

Modifier and Type	Method	Description
protected String	formatFileName()
protected int	getBufferSize()	returns the size of the buffers in the associated trace file
protected long	getLength()	returns the length of this file header
protected String	getNextFormatFileName(String previous)
long	getTraceDataStart()
protected String	getVMLevel()
protected static boolean	isUTE()	returns true if a UTE trace file is being processed
protected void	processTraceBufferHeaders()
protected void	summarize(BufferedWriter out)

Methods declared in class java.lang.Object

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

Methods declared in interface com.ibm.jvm.trace.TraceFileHeader

getFirstTracePointMillis, getJVMStartedMillis, getLastBufferWriteMillis, getLastTracePointMillis, getSysProcessorInfo, getTraceParameters, getVMStartUpParameters, getVMVersion

Field Detail

traceSection

protected TraceSection traceSection

INTERNAL

protected static final int INTERNAL

See Also:

Constant Field Values

EXTERNAL

protected static final int EXTERNAL

See Also:

Constant Field Values

Constructor Detail

TraceFileHeader

protected TraceFileHeader(TraceFile traceFile)
                   throws IOException

Throws:

IOException

Method Detail

processTraceBufferHeaders

protected final void processTraceBufferHeaders()
                                        throws IOException

Throws:

IOException

summarize

protected final void summarize(BufferedWriter out)
                        throws IOException

Throws:

IOException

getLength

protected final long getLength()

returns the length of this file header

Returns:

a long

getBufferSize

protected final int getBufferSize()

returns the size of the buffers in the associated trace file

Returns:

an int

formatFileName

protected final String formatFileName()

getVMLevel

protected final String getVMLevel()

getNextFormatFileName

protected final String getNextFormatFileName(String previous)

isUTE

protected static final boolean isUTE()

returns true if a UTE trace file is being processed

Returns:

a boolean

getTraceDataStart

public final long getTraceDataStart()