Module openj9.dtfj

Package com.ibm.j9ddr.tools.ddrinteractive.commands

Class SnapTraceCommand

java.lang.Object

com.ibm.j9ddr.tools.ddrinteractive.Command

com.ibm.j9ddr.tools.ddrinteractive.commands.SnapBaseCommand

com.ibm.j9ddr.tools.ddrinteractive.commands.SnapTraceCommand

All Implemented Interfaces:

ICommand

public class SnapTraceCommand
extends SnapBaseCommand

Debug extension to extract trace buffers from a core dump so they can be formatted.

Nested Class Summary

Nested classes/interfaces declared in class com.ibm.j9ddr.tools.ddrinteractive.Command

Command.CommandDescription

Field Summary

Fields declared in class com.ibm.j9ddr.tools.ddrinteractive.Command

nl

Constructor Summary

Constructors

Constructor	Description
SnapTraceCommand()

Method Summary

Modifier and Type	Method	Description
void	run(String command, String[] args, Context context, PrintStream out)	Executes the command
protected void	writeBytesToTrace(Context context, long address, int bufferSize, PrintStream out)
protected void	writeHeaderBytesToTrace(Context context, byte[] headerBytes, PrintStream out)

Methods declared in class com.ibm.j9ddr.tools.ddrinteractive.commands.SnapBaseCommand

extractTraceData, getCStringAtAddress, getCStringAtAddress

Methods declared in class com.ibm.j9ddr.tools.ddrinteractive.Command

addCommand, addSubCommand, dbgFindPatternInRange, getCommandDescriptions, getCommandNames, printDetailedHelp, recognises

Methods declared in class java.lang.Object

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

Constructor Details

SnapTraceCommand

public SnapTraceCommand()

Method Details

run

public void run(String command,
 String[] args,
 Context context,
 PrintStream out)
         throws DDRInteractiveCommandException

Description copied from interface: ICommand

Executes the command

Parameters:

command - Command string e.g. !j9x

args - Arguments for command

context - Context to work in

out - PrintStream to write command output on

Throws:

DDRInteractiveCommandException - If there is any problem running the command (incorrect usage, CorruptData etc.)

writeBytesToTrace

protected void writeBytesToTrace(Context context,
 long address,
 int bufferSize,
 PrintStream out)

writeHeaderBytesToTrace

protected void writeHeaderBytesToTrace(Context context,
 byte[] headerBytes,
 PrintStream out)