Examples with SpanLinkage com.splunk.opentelemetry.profiler.context.SpanLinkage used on opensource projects

Example 1 with SpanLinkage

use of com.splunk.opentelemetry.profiler.context.SpanLinkage in project splunk-otel-java by signalfx.

the class LogDataCreatorTest method testCreate.

@Test
void testCreate() {
    Instant time = Instant.now();
    String stack = "the.stack";
    SpanContext spanContext = SpanContext.create("deadbeefdeadbeefdeadbeefdeadbeef", "0123012301230123", TraceFlags.getSampled(), TraceState.getDefault());
    Context context = Context.root().with(Span.wrap(spanContext));
    long threadId = 987L;
    String eventName = "GoodEventHere";
    EventPeriods periods = mock(EventPeriods.class);
    when(periods.getDuration(eventName)).thenReturn(Duration.ofMillis(606));
    SpanLinkage linkage = new SpanLinkage(spanContext, threadId);
    Resource resource = Resource.getDefault();
    Attributes attributes = Attributes.of(SOURCE_EVENT_NAME, eventName, SOURCE_EVENT_PERIOD, 606L, SOURCE_TYPE, "otel.profiling");
    LogData expected = LogDataBuilder.create(resource, INSTRUMENTATION_LIBRARY_INFO).setContext(context).setBody(stack).setEpoch(time).setAttributes(attributes).build();
    StackToSpanLinkage linkedSpan = new StackToSpanLinkage(time, "the.stack", eventName, linkage);
    LogDataCreator creator = new LogDataCreator(new LogDataCommonAttributes(periods), Resource.getDefault());
    LogData result = creator.apply(linkedSpan);
    assertEquals(expected, result);
}

Example 2 with SpanLinkage

use of com.splunk.opentelemetry.profiler.context.SpanLinkage in project splunk-otel-java by signalfx.

the class TLABProcessorTest method tlabProcessTest.

private void tlabProcessTest(Long tlabSize) {
    Instant now = Instant.now();
    AtomicReference<LogData> seenLogData = new AtomicReference<>();
    LogProcessor consumer = seenLogData::set;
    String stackAsString = "\"mockingbird\" #606\n" + "   java.lang.Thread.State: UNKNOWN\n" + "i am a serialized stack believe me";
    StackSerializer serializer = mock(StackSerializer.class);
    LogDataCommonAttributes commonAttrs = new LogDataCommonAttributes(new EventPeriods(x -> null));
    Clock clock = new MockClock(now);
    RecordedEvent event = createMockEvent(serializer, now, tlabSize);
    Config config = mock(Config.class);
    when(config.getBoolean(CONFIG_KEY_TLAB_ENABLED, DEFAULT_MEMORY_ENABLED)).thenReturn(true);
    SpanContext spanContext = SpanContext.create(TraceId.fromLongs(123, 456), SpanId.fromLong(123), TraceFlags.getSampled(), TraceState.getDefault());
    SpanContextualizer spanContextualizer = mock(SpanContextualizer.class);
    when(spanContextualizer.link(THREAD_ID)).thenReturn(new SpanLinkage(spanContext, THREAD_ID));
    TLABProcessor processor = TLABProcessor.builder(config).stackSerializer(serializer).logProcessor(consumer).commonAttributes(commonAttrs).resource(Resource.getDefault()).spanContextualizer(spanContextualizer).build();
    processor.accept(event);
    assertEquals(stackAsString, seenLogData.get().getBody().asString());
    assertEquals(TimeUnit.SECONDS.toNanos(now.getEpochSecond()) + clock.nanoTime(), seenLogData.get().getEpochNanos());
    assertEquals("otel.profiling", seenLogData.get().getAttributes().get(SOURCE_TYPE));
    assertEquals("tee-lab", seenLogData.get().getAttributes().get(SOURCE_EVENT_NAME));
    assertEquals(ONE_MB, seenLogData.get().getAttributes().get(ALLOCATION_SIZE_KEY));
    assertEquals(spanContext, seenLogData.get().getSpanContext());
}

Example 3 with SpanLinkage

use of com.splunk.opentelemetry.profiler.context.SpanLinkage in project splunk-otel-java by signalfx.

the class ThreadDumpProcessor method accept.

public void accept(RecordedEvent event) {
    String eventName = event.getEventType().getName();
    logger.debug("Processing JFR event {}", eventName);
    String wallOfStacks = event.getString("result");
    ThreadDumpRegion stack = new ThreadDumpRegion(wallOfStacks, 0, 0);
    while (stack.findNextStack()) {
        if (!stackTraceFilter.test(stack)) {
            continue;
        }
        SpanLinkage linkage = contextualizer.link(stack);
        if (onlyTracingSpans && !linkage.getSpanContext().isValid()) {
            continue;
        }
        StackToSpanLinkage spanWithLinkage = new StackToSpanLinkage(event.getStartTime(), stack.getCurrentRegion(), eventName, linkage);
        processor.accept(spanWithLinkage);
    }
}