org.postgresql.benchmark.profilers

Class FlightRecorderProfiler

java.lang.Object

org.postgresql.benchmark.profilers.FlightRecorderProfiler

All Implemented Interfaces:

org.openjdk.jmh.profile.ExternalProfiler, org.openjdk.jmh.profile.Profiler

public class FlightRecorderProfiler
extends Object
implements org.openjdk.jmh.profile.ExternalProfiler

Captures Flight Recorder log. Note: Flight Recorder is available in OracleJDK only. Usage of Flight Recorder in production requires a LICENSE FEE, however Flight Recorder is free for use in test systems. It is assumed you would not use pgjdbc benchmarks for running a production system, thus it is believed to be safe.

Constructor Summary

Constructors

Constructor and Description
FlightRecorderProfiler()

Method Summary

Modifier and Type	Method and Description
Collection<String>	addJVMInvokeOptions(org.openjdk.jmh.infra.BenchmarkParams params)
Collection<String>	addJVMOptions(org.openjdk.jmh.infra.BenchmarkParams params)
Collection<? extends org.openjdk.jmh.results.Result>	afterTrial(org.openjdk.jmh.results.BenchmarkResult br, long pid, File stdOut, File stdErr)
boolean	allowPrintErr()
boolean	allowPrintOut()
void	beforeTrial(org.openjdk.jmh.infra.BenchmarkParams benchmarkParams)
String	getDescription()

Methods inherited from class java.lang.Object

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

Constructor Detail

FlightRecorderProfiler

public FlightRecorderProfiler()

Method Detail

addJVMInvokeOptions

public Collection<String> addJVMInvokeOptions(org.openjdk.jmh.infra.BenchmarkParams params)

Specified by:

addJVMInvokeOptions in interface org.openjdk.jmh.profile.ExternalProfiler

addJVMOptions

public Collection<String> addJVMOptions(org.openjdk.jmh.infra.BenchmarkParams params)

Specified by:

addJVMOptions in interface org.openjdk.jmh.profile.ExternalProfiler

beforeTrial

public void beforeTrial(org.openjdk.jmh.infra.BenchmarkParams benchmarkParams)

Specified by:

beforeTrial in interface org.openjdk.jmh.profile.ExternalProfiler

afterTrial

public Collection<? extends org.openjdk.jmh.results.Result> afterTrial(org.openjdk.jmh.results.BenchmarkResult br,
                                                                       long pid,
                                                                       File stdOut,
                                                                       File stdErr)

Specified by:

afterTrial in interface org.openjdk.jmh.profile.ExternalProfiler

allowPrintOut

public boolean allowPrintOut()

Specified by:

allowPrintOut in interface org.openjdk.jmh.profile.ExternalProfiler

allowPrintErr

public boolean allowPrintErr()

Specified by:

allowPrintErr in interface org.openjdk.jmh.profile.ExternalProfiler

getDescription

public String getDescription()

Specified by:

getDescription in interface org.openjdk.jmh.profile.Profiler