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Diffstat (limited to 'kamon-system-metrics/src/main/scala/kamon/system/GcMetricsCollector.scala')
-rw-r--r-- | kamon-system-metrics/src/main/scala/kamon/system/GcMetricsCollector.scala | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/kamon-system-metrics/src/main/scala/kamon/system/GcMetricsCollector.scala b/kamon-system-metrics/src/main/scala/kamon/system/GcMetricsCollector.scala deleted file mode 100644 index ae2f50cf..00000000 --- a/kamon-system-metrics/src/main/scala/kamon/system/GcMetricsCollector.scala +++ /dev/null @@ -1,77 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2014 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package kamon.system - -import java.lang.management.GarbageCollectorMXBean - -import akka.actor.{ Actor, Props } -import kamon.metrics.GCMetrics.GCMetricRecorder - -import scala.concurrent.duration.FiniteDuration - -class GcMetricsCollector(collectInterval: FiniteDuration, recorder: Option[GCMetricRecorder], extractor: GcMetricExtractor) extends Actor { - import kamon.system.GcMetricsCollector._ - - val collectSchedule = context.system.scheduler.schedule(collectInterval, collectInterval, self, Collect)(SystemMetrics(context.system).dispatcher) - - def receive: Receive = { - case Collect ⇒ collectMetrics() - } - - override def postStop() = collectSchedule.cancel() - - def collectMetrics(): Unit = recorder.map(recordGc) - - private def recordGc(gcr: GCMetricRecorder) = { - val gcMeasure = extractor.extract() - - gcr.count.record(gcMeasure.collectionCount) - gcr.time.record(gcMeasure.collectionTime) - } -} - -object GcMetricsCollector { - case object Collect - - def props(collectInterval: FiniteDuration, recorder: Option[GCMetricRecorder], extractor: GcMetricExtractor): Props = Props(classOf[GcMetricsCollector], collectInterval, recorder, extractor) -} - -case class GcMeasure(collectionCount: Long, collectionTime: Long) - -case class GcMetricExtractor(gc: GarbageCollectorMXBean) { - var previousGcCount = 0L - var previousGcTime = 0L - - def extract(): GcMeasure = { - var diffCollectionCount = 0L - var diffCollectionTime = 0L - - val collectionCount = gc.getCollectionCount - val collectionTime = gc.getCollectionTime - - if (collectionCount > 0) - diffCollectionCount = collectionCount - previousGcCount - - if (collectionTime > 0) - diffCollectionTime = collectionTime - previousGcTime - - previousGcCount = collectionCount - previousGcTime = collectionTime - - GcMeasure(diffCollectionCount, diffCollectionTime) - } -}
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