private static void profile() throws Exception {
 final Spark api = SparkProvider.get();
 final Profiler profiler = api.profiler();
 // Infinite report
 {
 final Profiler.Sampler sampler = profiler.createSampler(ProfilerConfiguration.builder()
 .dumper(ThreadDumper.ALL)
 .grouper(ThreadGrouper.AS_ONE)
 .ignoreNative()
 .build(), (e, msg) -> System.err.println("Error creating sampler: " + e + ": " + msg));
 if (sampler == null)
 throw new AssertionError();
 sampler.start(); // Start the profiler
 Thread.sleep(1000 * 60 * 5); // Wait 5 minutes
 sampler.stop(); // Stop the profiler
 final ProfilerReport report = sampler.dumpReport(ReportConfiguration.builder()
 .comment("My comment")
 .sender("Me", UUID.randomUUID())
 .build());
 System.out.println("Report 1 uploaded to " + report.upload());
 report.saveToFile(Path.of("report1.sparkprofile")); // Save the report
 }
 // Report with set time
 {
 final Profiler.Sampler sampler = profiler.createSampler(ProfilerConfiguration.builder()
 .dumper(new SpecificThreadDumper(Thread.currentThread()))
 .grouper(ThreadGrouper.BY_NAME)
 .ignoreSleeping()
 .samplingInterval(12)
 .forceJavaSampler()
 .duration(Duration.ofMinutes(10))
 .build(), (e, msg) -> System.err.println("Error creating sampler: " + e + ": " + msg));
 if (sampler == null)
 throw new AssertionError();
 sampler.start(); // Start the profiler
 sampler.onCompleted(ReportConfiguration.builder()
 .separateParentCalls(true).build())
 .whenComplete((report, throwable) -> {
 if (throwable != null)
 throw new RuntimeException(throwable);
 System.out.println("Report 2 uploaded to " + report.upload());
 }); // Configure the dump after 10 minutes, when the sampler is done
 }
}