Examples with EventType jdk.jfr.EventType used on opensource projects

Example 6 with EventType

use of jdk.jfr.EventType in project splunk-otel-java by signalfx.

the class EventProcessingChainTest method testLifecycle.

@Test
void testLifecycle() {
    EventType contextAttachedType = newEventType(ContextAttached.EVENT_NAME);
    EventType threadDumpType = newEventType(ThreadDumpProcessor.EVENT_NAME);
    EventType tlabType = newEventType(TLABProcessor.NEW_TLAB_EVENT_NAME);
    Instant now = Instant.now();
    RecordedEvent tlab1 = newEvent(tlabType, now.minus(100, ChronoUnit.MILLIS));
    RecordedEvent tlab2 = newEvent(tlabType, now.plus(100, ChronoUnit.MILLIS));
    // context even happens after the thread dump but is seen first
    RecordedEvent contextEvent = newEvent(contextAttachedType, now);
    RecordedEvent threadDump = newEvent(threadDumpType, now.minus(250, ChronoUnit.MILLIS));
    EventProcessingChain chain = new EventProcessingChain(contextualizer, threadDumpProcessor, tlabProcessor);
    chain.accept(tlab1);
    chain.accept(contextEvent);
    chain.accept(tlab2);
    chain.accept(threadDump);
    verifyNoInteractions(contextualizer, threadDumpProcessor, tlabProcessor);
    chain.flushBuffer();
    InOrder inOrder = inOrder(contextualizer, threadDumpProcessor, tlabProcessor);
    inOrder.verify(threadDumpProcessor).accept(threadDump);
    inOrder.verify(tlabProcessor).accept(tlab1);
    inOrder.verify(contextualizer).updateContext(contextEvent);
    inOrder.verify(tlabProcessor).accept(tlab2);
    inOrder.verifyNoMoreInteractions();
}

Example 7 with EventType

use of jdk.jfr.EventType in project splunk-otel-java by signalfx.

the class EventProcessingChainTest method newEventType.

private EventType newEventType(String name) {
    EventType type = mock(EventType.class);
    when(type.getName()).thenReturn(name);
    return type;
}

Example 8 with EventType

use of jdk.jfr.EventType in project splunk-otel-java by signalfx.

the class EventProcessingChainTest method eventsDispatchedInTimeOrder.

@Test
void eventsDispatchedInTimeOrder() {
    EventType contextAttachedType = newEventType(ContextAttached.EVENT_NAME);
    EventType threadDumpType = newEventType(ThreadDumpProcessor.EVENT_NAME);
    Instant now = Instant.now();
    RecordedEvent event1 = newEvent(contextAttachedType, now.plus(1, SECONDS));
    RecordedEvent event2 = newEvent(contextAttachedType, now.plus(2, SECONDS));
    RecordedEvent event3 = newEvent(threadDumpType, now.plus(3, SECONDS));
    RecordedEvent event4 = newEvent(null, null);
    // Our events are in time order: context1, context2, threadDump1, threadDump2.
    // However, we will send them to the chain out of order: context2, context1, threadDump.
    // Expectation is that we see them dispatched in the correct order.
    // The "chunk" is finished only after event4, and event4 is part of a new chunk so is not
    // dispatched.
    EventProcessingChain.ChunkTracker chunkTracker = mock(EventProcessingChain.ChunkTracker.class);
    when(chunkTracker.isNewChunk(isA(RecordedEvent.class))).thenReturn(false, false, false, true);
    EventProcessingChain chain = new EventProcessingChain(contextualizer, threadDumpProcessor, tlabProcessor, chunkTracker);
    // Out of order
    chain.accept(event2);
    // Out of order
    chain.accept(event1);
    chain.accept(event3);
    chain.accept(event4);
    InOrder ordered = inOrder(contextualizer, threadDumpProcessor);
    ordered.verify(contextualizer).updateContext(event1);
    ordered.verify(contextualizer).updateContext(event2);
    ordered.verify(threadDumpProcessor).accept(event3);
    ordered.verifyNoMoreInteractions();
}

Example 9 with EventType

use of jdk.jfr.EventType in project splunk-otel-java by signalfx.

the class RelevantEventsTest method type.

private EventType type(String name) {
    EventType type = mock(EventType.class);
    when(type.getName()).thenReturn(name);
    return type;
}

Example 10 with EventType

use of jdk.jfr.EventType in project btrace by btraceio.

the class BTraceFunctionalTests method testJfr.

@Test
public void testJfr() throws Exception {
    debugBTrace = true;
    debugTestApp = true;
    String rtVersion = System.getProperty("java.runtime.version", "");
    String testJavaHome = System.getenv().get("TEST_JAVA_HOME");
    if (testJavaHome != null) {
        Properties releaseProps = new Properties();
        releaseProps.load(new FileInputStream(new File(testJavaHome + File.separator + "release")));
        rtVersion = releaseProps.getProperty("JAVA_VERSION").replace("\"", "");
    }
    if (!isVersionSafe(rtVersion)) {
        // skip the test for 8.0.* because of missing support
        // skip all non-LTS versions (except the last one)
        // skip the test for JDK 11 since the latest version 11.0.9 and newer ends in SISGSEGV
        System.err.println("Skipping test for JDK " + rtVersion);
        return;
    }
    testWithJfr("resources.Main", "btrace/JfrTest.java", 10, new ResultValidator() {

        @Override
        public void validate(String stdout, String stderr, int retcode, String jfrFile) {
            assertFalse(stdout.contains("FAILED"), "Script should not have failed");
            assertTrue(stderr.isEmpty(), "Non-empty stderr");
            assertNotNull(jfrFile);
            try {
                RecordingFile f = new RecordingFile(Paths.get(jfrFile));
                boolean hasPeriodicType = false, hasPeriodicValue = false, hasCustomType = false, hasCustomValue = false;
                for (EventType et : f.readEventTypes()) {
                    if (et.getName().equals("periodic")) {
                        hasPeriodicType = true;
                    } else if (et.getName().equals("custom")) {
                        hasCustomType = true;
                    }
                    if (hasPeriodicType && hasCustomType) {
                        while (f.hasMoreEvents()) {
                            RecordedEvent e = f.readEvent();
                            if (e.getEventType().getName().equals("periodic")) {
                                hasPeriodicValue = true;
                            } else if (e.getEventType().getName().equals("custom")) {
                                hasCustomValue = true;
                            }
                            if (hasPeriodicValue && hasCustomValue) {
                                return;
                            }
                        }
                        break;
                    }
                }
                fail("periodic type ok: " + hasPeriodicType + ", periodic value ok: " + hasPeriodicValue + ", custom type ok: " + hasCustomType + ", custom value ok: " + hasCustomValue);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
    });
}