test/jdk/jdk/jfr/startupargs/TestStartRecording.java

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 * particular file as subject to the "Classpath" exception as provided
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 * accompanied this code).
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package jdk.jfr.startupargs;

import java.nio.file.Path;
import java.nio.file.Paths;

import jdk.jfr.consumer.RecordingFile;
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;

/**
 * @test
 * @summary Start a recording with -XX:StartFlightRecording. Dump recording with jcmd.
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib /test/jdk
 * @run main/othervm -XX:StartFlightRecording=name=TestStartRecording,settings=profile jdk.jfr.startupargs.TestStartRecording
 */
public class TestStartRecording {

    public static void main(String[] args) throws Exception {
        final String recordingName = "TestStartRecording";
        OutputAnalyzer output = StartupHelper.jcmd("JFR.check");
        output.shouldContain(recordingName);

        Path path = Paths.get(".", "my.jfr");
        output = StartupHelper.jcmd("JFR.dump", "name=" + recordingName, "filename=" + path);
        Asserts.assertFalse(RecordingFile.readAllEvents(path).isEmpty(), "No events found");
    }

}