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package kamon.bench.instruments
import java.nio.LongBuffer
import java.util.concurrent.TimeUnit
import kamon.metric.instrument.Histogram.DynamicRange
import kamon.metric.instrument.{CollectionContext, Histogram, PaddedMinMaxCounter}
import org.openjdk.jmh.annotations._
@State(Scope.Group)
@BenchmarkMode(Array(Mode.AverageTime))
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Fork(2)
@Warmup(iterations = 10)
@Measurement(iterations = 10)
class KamonMinMaxCounterBench {
val counter: PaddedMinMaxCounter = new PaddedMinMaxCounter(Histogram(DynamicRange(1L, 999999999L, 2)))
val collectionContext = new CollectionContext {
val buffer: LongBuffer = LongBuffer.allocate(33792)
}
@Benchmark
@Group("rw")
def increment(): Unit = {
counter.increment()
}
@Benchmark
@Group("rw")
def get(): Long = {
counter.collect(collectionContext).min
}
}
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