RecordingStream Sınıfı - Flight Recorder - Java 11 İle Geliyor

Giriş

Şu satırı dahil ederiz

import jdk.jfr.consumer.RecordingStream;

Örnek

Şöyle yaparız

import jdk.jfr.consumer.RecordingStream;

public static void main(String[] args) {
  try (var rs = new RecordingStream()) {
    rs.onEvent("jdk.GarbageCollection", event ->
      System.out.format("Garbage collection: %s, duration: %dns%n", 
  event.getEndTime(), event.getDuration())
    );

    rs.startAsync();
    Thread.sleep(60_000);
  } catch (InterruptedException e) {
    e.printStackTrace();
  }
}  

Açıklaması şöyle

In this example, we create a RecordingStream, define an event handler for garbage collection events, start the stream asynchronously, and keep the application alive for 60 seconds to observe the events.