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/*
* =========================================================================================
* 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.akka
import java.util.concurrent.ThreadPoolExecutor
import _root_.akka.dispatch.ForkJoinExecutorConfigurator.AkkaForkJoinPool
import kamon.metric._
import kamon.metric.instrument.{ DifferentialValueCollector, InstrumentFactory }
class ForkJoinPoolDispatcherMetrics(fjp: AkkaForkJoinPool, instrumentFactory: InstrumentFactory) extends GenericEntityRecorder(instrumentFactory) {
val paralellism = minMaxCounter("parallelism")
paralellism.increment(fjp.getParallelism) // Steady value.
val poolSize = gauge("pool-size", fjp.getPoolSize.toLong)
val activeThreads = gauge("active-threads", fjp.getActiveThreadCount.toLong)
val runningThreads = gauge("running-threads", fjp.getRunningThreadCount.toLong)
val queuedTaskCount = gauge("queued-task-count", fjp.getQueuedTaskCount)
}
object ForkJoinPoolDispatcherMetrics {
def factory(fjp: AkkaForkJoinPool) = new EntityRecorderFactory[ForkJoinPoolDispatcherMetrics] {
def category: String = AkkaDispatcherMetrics.Category
def createRecorder(instrumentFactory: InstrumentFactory) = new ForkJoinPoolDispatcherMetrics(fjp, instrumentFactory)
}
}
class ThreadPoolExecutorDispatcherMetrics(tpe: ThreadPoolExecutor, instrumentFactory: InstrumentFactory) extends GenericEntityRecorder(instrumentFactory) {
val corePoolSize = gauge("core-pool-size", tpe.getCorePoolSize.toLong)
val maxPoolSize = gauge("max-pool-size", tpe.getMaximumPoolSize.toLong)
val poolSize = gauge("pool-size", tpe.getPoolSize.toLong)
val activeThreads = gauge("active-threads", tpe.getActiveCount.toLong)
val processedTasks = gauge("processed-tasks", DifferentialValueCollector(() ⇒ {
tpe.getTaskCount
}))
}
object ThreadPoolExecutorDispatcherMetrics {
def factory(tpe: ThreadPoolExecutor) = new EntityRecorderFactory[ThreadPoolExecutorDispatcherMetrics] {
def category: String = AkkaDispatcherMetrics.Category
def createRecorder(instrumentFactory: InstrumentFactory) = new ThreadPoolExecutorDispatcherMetrics(tpe, instrumentFactory)
}
}
object AkkaDispatcherMetrics {
val Category = "akka-dispatcher"
}
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