jpprof

Class jfr2pprof

java.lang.Object

jpprof.jfr2pprof

public class jfr2pprof
extends java.lang.Object

Convert a JFR file to pprof

Protobuf definition: https://github.com/google/pprof/blob/44fc4e887b6b0cfb196973bcdb1fab95f0b3a75b/proto/profile.proto

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	jfr2pprof.Method

Field Summary

Fields

Modifier and Type	Field and Description
static int	FUNCTION_ID
static int	FUNCTION_NAME
static int	LINE_FUNCTION_ID
static int	LINE_LINE
static int	LOCATION_ID
static int	LOCATION_LINE
static byte[]	METHOD_UNKNOWN
static int	PROFILE_COMMENT
static int	PROFILE_DEFAULT_SAMPLE_TYPE
static int	PROFILE_DURATION_NANOS
static int	PROFILE_FUNCTION
static int	PROFILE_LOCATION
static int	PROFILE_PERIOD_TYPE
static int	PROFILE_SAMPLE
static int	PROFILE_SAMPLE_TYPE
static int	PROFILE_STRING_TABLE
static int	PROFILE_TIME_NANOS
static int	SAMPLE_LOCATION_ID
static int	SAMPLE_VALUE
static int	VALUETYPE_TYPE
static int	VALUETYPE_UNIT

Constructor Summary

Constructors

Constructor and Description
jfr2pprof()

Method Summary

Modifier and Type	Method and Description
static void	Convert(one.jfr.JfrReader reader, java.io.OutputStream out) Convert a JFR file to pprof

Methods inherited from class java.lang.Object

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

Field Detail

METHOD_UNKNOWN

public static final byte[] METHOD_UNKNOWN

PROFILE_SAMPLE_TYPE

public static final int PROFILE_SAMPLE_TYPE

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Constant Field Values

PROFILE_SAMPLE

public static final int PROFILE_SAMPLE

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Constant Field Values

PROFILE_LOCATION

public static final int PROFILE_LOCATION

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Constant Field Values

PROFILE_FUNCTION

public static final int PROFILE_FUNCTION

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Constant Field Values

PROFILE_STRING_TABLE

public static final int PROFILE_STRING_TABLE

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Constant Field Values

PROFILE_TIME_NANOS

public static final int PROFILE_TIME_NANOS

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Constant Field Values

PROFILE_DURATION_NANOS

public static final int PROFILE_DURATION_NANOS

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Constant Field Values

PROFILE_PERIOD_TYPE

public static final int PROFILE_PERIOD_TYPE

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Constant Field Values

PROFILE_COMMENT

public static final int PROFILE_COMMENT

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Constant Field Values

PROFILE_DEFAULT_SAMPLE_TYPE

public static final int PROFILE_DEFAULT_SAMPLE_TYPE

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Constant Field Values

VALUETYPE_TYPE

public static final int VALUETYPE_TYPE

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Constant Field Values

VALUETYPE_UNIT

public static final int VALUETYPE_UNIT

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Constant Field Values

SAMPLE_LOCATION_ID

public static final int SAMPLE_LOCATION_ID

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Constant Field Values

SAMPLE_VALUE

public static final int SAMPLE_VALUE

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Constant Field Values

LOCATION_ID

public static final int LOCATION_ID

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Constant Field Values

LOCATION_LINE

public static final int LOCATION_LINE

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Constant Field Values

LINE_FUNCTION_ID

public static final int LINE_FUNCTION_ID

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Constant Field Values

LINE_LINE

public static final int LINE_LINE

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Constant Field Values

FUNCTION_ID

public static final int FUNCTION_ID

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Constant Field Values

FUNCTION_NAME

public static final int FUNCTION_NAME

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Constant Field Values

Constructor Detail

jfr2pprof

public jfr2pprof()

Method Detail

Convert

public static void Convert(one.jfr.JfrReader reader,
                           java.io.OutputStream out)
                    throws java.io.IOException

Convert a JFR file to pprof

Parameters:

reader - JFR reader

out - output stream

Throws:

java.io.IOException - if an I/O error occurs