Examples with DoubleHistogram io.opentelemetry.api.metrics.DoubleHistogram used on opensource projects

Example 11 with DoubleHistogram

use of io.opentelemetry.api.metrics.DoubleHistogram in project opentelemetry-java by open-telemetry.

the class SdkDoubleHistogramTest method collectMetrics_WithEmptyAttributes.

@Test
void collectMetrics_WithEmptyAttributes() {
    DoubleHistogram doubleRecorder = sdkMeter.histogramBuilder("testRecorder").setDescription("description").setUnit("ms").build();
    testClock.advance(Duration.ofNanos(SECOND_NANOS));
    doubleRecorder.record(12d, Attributes.empty());
    doubleRecorder.record(12d);
    assertThat(sdkMeterReader.collectAllMetrics()).satisfiesExactly(metric -> assertThat(metric).hasResource(RESOURCE).hasInstrumentationLibrary(INSTRUMENTATION_LIBRARY_INFO).hasName("testRecorder").hasDescription("description").hasUnit("ms").hasDoubleHistogram().isCumulative().points().satisfiesExactly(point -> assertThat(point).hasStartEpochNanos(testClock.now() - SECOND_NANOS).hasEpochNanos(testClock.now()).hasAttributes(Attributes.empty()).hasCount(2).hasSum(24).hasBucketBoundaries(5, 10, 25, 50, 75, 100, 250, 500, 750, 1_000, 2_500, 5_000, 7_500, 10_000).hasBucketCounts(0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)));
}

Example 12 with DoubleHistogram

use of io.opentelemetry.api.metrics.DoubleHistogram in project opentelemetry-java by open-telemetry.

the class SdkDoubleHistogramTest method stressTest.

@Test
void stressTest() {
    DoubleHistogram doubleRecorder = sdkMeter.histogramBuilder("testRecorder").build();
    StressTestRunner.Builder stressTestBuilder = StressTestRunner.builder().setInstrument((SdkDoubleHistogram) doubleRecorder).setCollectionIntervalMs(100);
    for (int i = 0; i < 4; i++) {
        stressTestBuilder.addOperation(StressTestRunner.Operation.create(1_000, 2, new SdkDoubleHistogramTest.OperationUpdaterDirectCall(doubleRecorder, "K", "V")));
        stressTestBuilder.addOperation(StressTestRunner.Operation.create(1_000, 2, new OperationUpdaterWithBinding(((SdkDoubleHistogram) doubleRecorder).bind(Attributes.builder().put("K", "V").build()))));
    }
    stressTestBuilder.build().run();
    assertThat(sdkMeterReader.collectAllMetrics()).satisfiesExactly(metric -> assertThat(metric).hasResource(RESOURCE).hasInstrumentationLibrary(INSTRUMENTATION_LIBRARY_INFO).hasName("testRecorder").hasDoubleHistogram().points().satisfiesExactly(point -> assertThat(point).hasStartEpochNanos(testClock.now()).hasEpochNanos(testClock.now()).hasAttributes(Attributes.of(stringKey("K"), "V")).hasCount(8_000).hasSum(80_000)));
}