Send the jmh log messages to a file

By setting the output file path using OptionsBuilder, we can send the log messages to a file.

 

Example

Options opt = new OptionsBuilder()
.include(SendLogMessagesToAFile.class.getSimpleName())
.forks(1)
.measurementIterations(4)
.warmupIterations(3)
.resultFormat(ResultFormatType.JSON)
.output("/Users/Shared/logMessages.log")
.build();

 

Above snippet send the log messages to the file "/Users/Shared/ logMessages.log".

 

Find the below working application.

 

SendLogMessagesToAFile.java

package com.sample.app;

import java.util.concurrent.TimeUnit;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.results.format.ResultFormatType;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

public class SendLogMessagesToAFile {
    
    @Benchmark
    public void test1() throws InterruptedException {
        TimeUnit.MILLISECONDS.sleep(300);
    }
    
    public static void main(String[] args) throws RunnerException {
        Options opt = new OptionsBuilder()
                .include(SendLogMessagesToAFile.class.getSimpleName())
                .forks(1)
                .measurementIterations(4)
                .warmupIterations(3)
                .resultFormat(ResultFormatType.JSON)
                .output("/Users/Shared/logMessages.log")
                .build();

        new Runner(opt).run();
    }
}

Run the above application and open the file ‘/Users/Shared/logMessages.log’ to see the log messages.

 

 

 

  

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