Examples with MeterRegistry io.micrometer.core.instrument.MeterRegistry used on opensource projects

Example 11 with MeterRegistry

use of io.micrometer.core.instrument.MeterRegistry in project micrometer by micrometer-metrics.

the class ProcessorMetricsTest method cpuMetrics.

@Test
void cpuMetrics() {
    MeterRegistry registry = new SimpleMeterRegistry();
    new ProcessorMetrics().bindTo(registry);
    assertThat(registry.get("system.cpu.count").gauge().value()).isGreaterThan(0);
    if (System.getProperty("os.name").toLowerCase().contains("win")) {
        assertThat(registry.find("system.load.average.1m").gauge()).describedAs("Not present on windows").isNull();
    } else {
        assertThat(registry.get("system.load.average.1m").gauge().value()).isGreaterThanOrEqualTo(0);
    }
}

Example 12 with MeterRegistry

use of io.micrometer.core.instrument.MeterRegistry in project micrometer by micrometer-metrics.

the class ProcessorMetricsTest method hotspotCpuMetrics.

@Test
void hotspotCpuMetrics() {
    assumeTrue(classExists("com.sun.management.OperatingSystemMXBean"));
    MeterRegistry registry = new SimpleMeterRegistry();
    new ProcessorMetrics().bindTo(registry);
    assertThat(registry.get("system.cpu.usage").gauge().value()).isGreaterThanOrEqualTo(0);
    assertThat(registry.get("process.cpu.usage").gauge().value()).isGreaterThanOrEqualTo(0);
}

Example 13 with MeterRegistry

use of io.micrometer.core.instrument.MeterRegistry in project micrometer by micrometer-metrics.

the class CompositeLongTaskTimerTest method mapIdsToEachLongTaskTimerInComposite.

@Test
void mapIdsToEachLongTaskTimerInComposite() {
    MockClock clock = new MockClock();
    MeterRegistry s1 = new SimpleMeterRegistry(SimpleConfig.DEFAULT, clock);
    LongTaskTimer anotherTimer = s1.more().longTaskTimer("long.task");
    LongTaskTimer.Sample anotherSample = anotherTimer.start();
    clock.add(10, TimeUnit.NANOSECONDS);
    CompositeMeterRegistry registry = new CompositeMeterRegistry(clock);
    registry.add(s1);
    LongTaskTimer longTaskTimer = registry.more().longTaskTimer("long.task");
    LongTaskTimer.Sample sample = longTaskTimer.start();
    clock.add(100, TimeUnit.NANOSECONDS);
    assertThat(anotherSample.stop()).isEqualTo(110);
    // if this fails, the composite is using a timer ID that overlaps with a separate timer in a member
    // of the composite rather than mapping the ID to a separate ID in the composite member.
    assertThat(sample.stop()).isEqualTo(100);
}

Example 14 with MeterRegistry

use of io.micrometer.core.instrument.MeterRegistry in project micrometer by micrometer-metrics.

the class JvmMemoryMetricsTest method memoryMetrics.

@Test
void memoryMetrics() {
    MeterRegistry registry = new SimpleMeterRegistry();
    new JvmMemoryMetrics().bindTo(registry);
    assertJvmBufferMetrics(registry, "direct");
    assertJvmBufferMetrics(registry, "mapped");
    assertJvmMemoryMetrics(registry, "heap");
    assertJvmMemoryMetrics(registry, "nonheap");
}

Example 15 with MeterRegistry

use of io.micrometer.core.instrument.MeterRegistry in project micrometer by micrometer-metrics.

the class CounterSample method main.

public static void main(String[] args) {
    MeterRegistry registry = SampleConfig.myMonitoringSystem();
    Counter counter = registry.counter("counter", "method", "actual");
    AtomicInteger n = new AtomicInteger(0);
    registry.more().counter("counter", Tags.of("method", "function"), n);
    RandomEngine r = new MersenneTwister64(0);
    Normal dist = new Normal(0, 1, r);
    Flux.interval(Duration.ofMillis(10)).doOnEach(d -> {
        if (dist.nextDouble() + 0.1 > 0) {
            counter.increment();
            n.incrementAndGet();
        }
    }).blockLast();
}