22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.jfr.event.io;
27
28 import static jdk.test.lib.Asserts.assertEquals;
29
30 import java.io.File;
31 import java.io.RandomAccessFile;
32 import java.nio.ByteBuffer;
33 import java.nio.channels.FileChannel;
34 import java.time.Duration;
35 import java.util.ArrayList;
36 import java.util.List;
37
38 import jdk.jfr.Recording;
39 import jdk.jfr.consumer.RecordedEvent;
40 import jdk.test.lib.jfr.Events;
41
42 /*
43 * @test
44 * @key jfr
45 * @library /test/lib /test/jdk
46 * @run main/othervm jdk.jfr.event.io.TestFileChannelEvents
47 */
48 public class TestFileChannelEvents {
49 public static void main(String[] args) throws Throwable {
50 File tmp = File.createTempFile("TestFileChannelEvents", ".tmp", new File("."));
51 tmp.deleteOnExit();
52 Recording recording = new Recording();
53 List<IOEvent> expectedEvents = new ArrayList<>();
54
55 try (RandomAccessFile rf = new RandomAccessFile(tmp, "rw"); FileChannel ch = rf.getChannel();) {
56 recording.enable(IOEvent.EVENT_FILE_FORCE).withThreshold(Duration.ofMillis(0));
57 recording.enable(IOEvent.EVENT_FILE_READ).withThreshold(Duration.ofMillis(0));
58 recording.enable(IOEvent.EVENT_FILE_WRITE).withThreshold(Duration.ofMillis(0));
59 recording.start();
60
61 ByteBuffer bufA = ByteBuffer.allocateDirect(10);
62 ByteBuffer bufB = ByteBuffer.allocateDirect(20);
63 bufA.put("1234567890".getBytes());
64 bufB.put("1234567890".getBytes());
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22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.jfr.event.io;
27
28 import static jdk.test.lib.Asserts.assertEquals;
29
30 import java.io.File;
31 import java.io.RandomAccessFile;
32 import java.nio.ByteBuffer;
33 import java.nio.channels.FileChannel;
34 import java.time.Duration;
35 import java.util.ArrayList;
36 import java.util.List;
37
38 import jdk.jfr.Recording;
39 import jdk.jfr.consumer.RecordedEvent;
40 import jdk.test.lib.jfr.Events;
41
42 /**
43 * @test
44 * @key jfr
45 * @requires vm.hasJFR
46 * @library /test/lib /test/jdk
47 * @run main/othervm jdk.jfr.event.io.TestFileChannelEvents
48 */
49 public class TestFileChannelEvents {
50 public static void main(String[] args) throws Throwable {
51 File tmp = File.createTempFile("TestFileChannelEvents", ".tmp", new File("."));
52 tmp.deleteOnExit();
53 Recording recording = new Recording();
54 List<IOEvent> expectedEvents = new ArrayList<>();
55
56 try (RandomAccessFile rf = new RandomAccessFile(tmp, "rw"); FileChannel ch = rf.getChannel();) {
57 recording.enable(IOEvent.EVENT_FILE_FORCE).withThreshold(Duration.ofMillis(0));
58 recording.enable(IOEvent.EVENT_FILE_READ).withThreshold(Duration.ofMillis(0));
59 recording.enable(IOEvent.EVENT_FILE_WRITE).withThreshold(Duration.ofMillis(0));
60 recording.start();
61
62 ByteBuffer bufA = ByteBuffer.allocateDirect(10);
63 ByteBuffer bufB = ByteBuffer.allocateDirect(20);
64 bufA.put("1234567890".getBytes());
65 bufB.put("1234567890".getBytes());
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