diff options
Diffstat (limited to 'kamon-core/src/main/scala/kamon/metric/DispatcherMetrics.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/metric/DispatcherMetrics.scala | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/metric/DispatcherMetrics.scala b/kamon-core/src/main/scala/kamon/metric/DispatcherMetrics.scala new file mode 100644 index 00000000..fbce783c --- /dev/null +++ b/kamon-core/src/main/scala/kamon/metric/DispatcherMetrics.scala @@ -0,0 +1,88 @@ +/* + * ========================================================================================= + * 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.metric + +import akka.actor.ActorSystem +import com.typesafe.config.Config +import kamon.metric.instrument.{ Histogram, HdrHistogram } + +case class DispatcherMetrics(name: String) extends MetricGroupIdentity { + val category = DispatcherMetrics +} + +object DispatcherMetrics extends MetricGroupCategory { + val name = "dispatcher" + + case object MaximumPoolSize extends MetricIdentity { val name = "maximum-pool-size" } + case object RunningThreadCount extends MetricIdentity { val name = "running-thread-count" } + case object QueueTaskCount extends MetricIdentity { val name = "queued-task-count" } + case object PoolSize extends MetricIdentity { val name = "pool-size" } + + case class DispatcherMetricRecorder(maximumPoolSize: Histogram, runningThreadCount: Histogram, + queueTaskCount: Histogram, poolSize: Histogram) + extends MetricGroupRecorder { + + def collect(context: CollectionContext): MetricGroupSnapshot = + DispatcherMetricSnapshot( + maximumPoolSize.collect(context), + runningThreadCount.collect(context), + queueTaskCount.collect(context), + poolSize.collect(context)) + + def cleanup: Unit = {} + + } + + case class DispatcherMetricSnapshot(maximumPoolSize: Histogram.Snapshot, runningThreadCount: Histogram.Snapshot, + queueTaskCount: Histogram.Snapshot, poolSize: Histogram.Snapshot) extends MetricGroupSnapshot { + + type GroupSnapshotType = DispatcherMetricSnapshot + + def merge(that: DispatcherMetricSnapshot, context: CollectionContext): DispatcherMetricSnapshot = + DispatcherMetricSnapshot( + maximumPoolSize.merge(that.maximumPoolSize, context), + runningThreadCount.merge(that.runningThreadCount, context), + queueTaskCount.merge(that.queueTaskCount, context), + poolSize.merge(that.poolSize, context)) + + lazy val metrics: Map[MetricIdentity, MetricSnapshot] = Map( + (MaximumPoolSize -> maximumPoolSize), + (RunningThreadCount -> runningThreadCount), + (QueueTaskCount -> queueTaskCount), + (PoolSize -> poolSize)) + } + + val Factory = new MetricGroupFactory { + type GroupRecorder = DispatcherMetricRecorder + + def create(config: Config, system: ActorSystem): DispatcherMetricRecorder = { + val settings = config.getConfig("precision.dispatcher") + + val maximumPoolSizeConfig = settings.getConfig("maximum-pool-size") + val runningThreadCountConfig = settings.getConfig("running-thread-count") + val queueTaskCountConfig = settings.getConfig("queued-task-count") + val poolSizeConfig = settings.getConfig("pool-size") + + new DispatcherMetricRecorder( + Histogram.fromConfig(maximumPoolSizeConfig), + Histogram.fromConfig(runningThreadCountConfig), + Histogram.fromConfig(queueTaskCountConfig), + Histogram.fromConfig(poolSizeConfig)) + } + } +} + |