org.openjdk.jmh.profile

Class LinuxPerfAsmProfiler

java.lang.Object

org.openjdk.jmh.profile.AbstractPerfAsmProfiler

org.openjdk.jmh.profile.LinuxPerfAsmProfiler

All Implemented Interfaces:

ExternalProfiler, Profiler

public class LinuxPerfAsmProfiler
extends AbstractPerfAsmProfiler

Nested Class Summary

Nested classes/interfaces inherited from class org.openjdk.jmh.profile.AbstractPerfAsmProfiler

AbstractPerfAsmProfiler.PerfEvents

Field Summary

Fields inherited from class org.openjdk.jmh.profile.AbstractPerfAsmProfiler

hsLog, perfBinData, perfParsedData, tracedEvents

Constructor Summary

Constructors

Constructor and Description
LinuxPerfAsmProfiler()

Method Summary

Methods

Modifier and Type	Method and Description
Collection<String>	addJVMInvokeOptions(BenchmarkParams params) Prepend JVM invocation with these commands.
boolean	checkSupport(List<String> msgs) Check the support for a given profiler.
String	getDescription() Human-readable one-line description of the profiler.
String	label() Unique label for the profiler.
protected void	parseEvents() Parse profiler events from binary to text form.
protected String	perfBinaryExtension() Get perf binary data extension (optional).
protected AbstractPerfAsmProfiler.PerfEvents	readEvents(double skipSec) Read parsed events.

Methods inherited from class org.openjdk.jmh.profile.AbstractPerfAsmProfiler

addJVMOptions, afterTrial, allowPrintErr, allowPrintOut, beforeTrial

Methods inherited from class java.lang.Object

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

Constructor Detail

LinuxPerfAsmProfiler

public LinuxPerfAsmProfiler()
                     throws IOException

Throws:

IOException

Method Detail

checkSupport

public boolean checkSupport(List<String> msgs)

Description copied from interface: Profiler

Check the support for a given profiler.

Specified by:

checkSupport in interface Profiler

Specified by:

checkSupport in class AbstractPerfAsmProfiler

Parameters:

msgs - where to put the diagnostic messages

Returns:

true, if supported

addJVMInvokeOptions

public Collection<String> addJVMInvokeOptions(BenchmarkParams params)

Description copied from interface: ExternalProfiler

Prepend JVM invocation with these commands.

Parameters:

params - benchmark parameters used for current launch

Returns:

commands to prepend for JVM launch

label

public String label()

Description copied from interface: Profiler

Unique label for the profiler.

Returns:

label

getDescription

public String getDescription()

Description copied from interface: Profiler

Human-readable one-line description of the profiler.

Returns:

description

parseEvents

protected void parseEvents()

Description copied from class: AbstractPerfAsmProfiler

Parse profiler events from binary to text form.

Specified by:

parseEvents in class AbstractPerfAsmProfiler

readEvents

protected AbstractPerfAsmProfiler.PerfEvents readEvents(double skipSec)

Description copied from class: AbstractPerfAsmProfiler

Read parsed events.

Specified by:

readEvents in class AbstractPerfAsmProfiler

Parameters:

skipSec - Seconds to skip.

Returns:

Events.

perfBinaryExtension

protected String perfBinaryExtension()

Description copied from class: AbstractPerfAsmProfiler

Get perf binary data extension (optional).

Specified by:

perfBinaryExtension in class AbstractPerfAsmProfiler

Returns:

Extension.