com.oracle.graal.debug.internal

Class DebugHistogramAsciiPrinter

java.lang.Object

com.oracle.graal.debug.internal.DebugHistogramAsciiPrinter

All Implemented Interfaces:

DebugHistogram.Printer

public class DebugHistogramAsciiPrinter
extends Object
implements DebugHistogram.Printer

Renders a textual representation of a histogram to a given print stream.

Field Summary

Fields

Modifier and Type	Field and Description
private int	barSize
static int	DefaultBarSize
static int	DefaultNameSize
static int	DefaultScale
private int	limit
private int	nameSize
static int	NumberSize
private PrintStream	os
private int	scale

Constructor Summary

Constructors

Constructor and Description
DebugHistogramAsciiPrinter(PrintStream os)
DebugHistogramAsciiPrinter(PrintStream os, int limit, int nameSize, int barSize, int scale)

Method Summary

Modifier and Type	Method and Description
void	print(DebugHistogram histogram)
private static void	printLine(PrintStream printStream, char c, int lineSize)

Methods inherited from class java.lang.Object

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

Field Detail

NumberSize

public static final int NumberSize

See Also:

Constant Field Values

DefaultNameSize

public static final int DefaultNameSize

See Also:

Constant Field Values

DefaultBarSize

public static final int DefaultBarSize

See Also:

Constant Field Values

DefaultScale

public static final int DefaultScale

See Also:

Constant Field Values

os

private final PrintStream os

limit

private final int limit

nameSize

private final int nameSize

barSize

private final int barSize

scale

private final int scale

Constructor Detail

DebugHistogramAsciiPrinter

public DebugHistogramAsciiPrinter(PrintStream os)

DebugHistogramAsciiPrinter

public DebugHistogramAsciiPrinter(PrintStream os,
                                  int limit,
                                  int nameSize,
                                  int barSize,
                                  int scale)

Parameters:

os - where to print

limit - limits printing to the limit most frequent values

nameSize - the width of the value names column

barSize - the width of the value frequency column

scale - a factor by which every result is divided

Method Detail

print

public void print(DebugHistogram histogram)

Specified by:

print in interface DebugHistogram.Printer

printLine

private static void printLine(PrintStream printStream,
                              char c,
                              int lineSize)