diff options
Diffstat (limited to 'kamon-core/src/main/scala/akka/instrumentation/DispatcherTracing.scala')
-rw-r--r-- | kamon-core/src/main/scala/akka/instrumentation/DispatcherTracing.scala | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/kamon-core/src/main/scala/akka/instrumentation/DispatcherTracing.scala b/kamon-core/src/main/scala/akka/instrumentation/DispatcherTracing.scala deleted file mode 100644 index 60cc4ddf..00000000 --- a/kamon-core/src/main/scala/akka/instrumentation/DispatcherTracing.scala +++ /dev/null @@ -1,161 +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 akka.instrumentation - -import org.aspectj.lang.annotation._ -import akka.dispatch.{ Dispatchers, ExecutorServiceDelegate, Dispatcher, MessageDispatcher } -import kamon.metrics.{ Metrics, DispatcherMetrics } -import kamon.metrics.DispatcherMetrics.DispatcherMetricRecorder -import kamon.Kamon -import akka.actor.{ Cancellable, ActorSystemImpl } -import scala.concurrent.forkjoin.ForkJoinPool -import java.util.concurrent.ThreadPoolExecutor -import java.lang.reflect.Method -import akka.instrumentation.DispatcherMetricsCollector.DispatcherMetricsMeasurement - -@Aspect -class DispatcherTracing { - - @Pointcut("execution(akka.dispatch.Dispatchers.new(..)) && this(dispatchers) && cflow(execution(akka.actor.ActorSystemImpl.new(..)) && this(system))") - def onActorSystemStartup(dispatchers: Dispatchers, system: ActorSystemImpl) = {} - - @Before("onActorSystemStartup(dispatchers, system)") - def beforeActorSystemStartup(dispatchers: Dispatchers, system: ActorSystemImpl): Unit = { - val currentDispatchers = dispatchers.asInstanceOf[DispatchersWithActorSystem] - currentDispatchers.actorSystem = system - } - - @Pointcut("execution(* akka.dispatch.Dispatchers.lookup(..)) && this(dispatchers)") - def onDispatchersLookup(dispatchers: Dispatchers) = {} - - @AfterReturning(pointcut = "onDispatchersLookup(dispatchers)", returning = "dispatcher") - def afterReturningLookup(dispatchers: Dispatchers, dispatcher: Dispatcher): Unit = { - val dispatchersWithActorSystem = dispatchers.asInstanceOf[DispatchersWithActorSystem] - val dispatcherWithMetrics = dispatcher.asInstanceOf[DispatcherMessageMetrics] - - dispatcherWithMetrics.actorSystem = dispatchersWithActorSystem.actorSystem - } - - @Pointcut("call(* akka.dispatch.ExecutorServiceFactory.createExecutorService(..))") - def onCreateExecutorService(): Unit = {} - - @Pointcut("cflow((execution(* akka.dispatch.MessageDispatcher.registerForExecution(..)) || execution(* akka.dispatch.MessageDispatcher.executeTask(..))) && this(dispatcher))") - def onCflowMessageDispatcher(dispatcher: Dispatcher): Unit = {} - - @Pointcut("onCreateExecutorService() && onCflowMessageDispatcher(dispatcher)") - def onDispatcherStartup(dispatcher: Dispatcher): Unit = {} - - @After("onDispatcherStartup(dispatcher)") - def afterDispatcherStartup(dispatcher: MessageDispatcher): Unit = { - - val dispatcherWithMetrics = dispatcher.asInstanceOf[DispatcherMessageMetrics] - val metricsExtension = Kamon(Metrics)(dispatcherWithMetrics.actorSystem) - val metricIdentity = DispatcherMetrics(dispatcher.id) - - dispatcherWithMetrics.metricIdentity = metricIdentity - dispatcherWithMetrics.dispatcherMetricsRecorder = metricsExtension.register(metricIdentity, DispatcherMetrics.Factory) - - if (dispatcherWithMetrics.dispatcherMetricsRecorder.isDefined) { - dispatcherWithMetrics.dispatcherCollectorCancellable = metricsExtension.scheduleGaugeRecorder { - dispatcherWithMetrics.dispatcherMetricsRecorder.map { - dm ⇒ - val DispatcherMetricsMeasurement(maximumPoolSize, runningThreadCount, queueTaskCount, poolSize) = - DispatcherMetricsCollector.collect(dispatcher) - - dm.maximumPoolSize.record(maximumPoolSize) - dm.runningThreadCount.record(runningThreadCount) - dm.queueTaskCount.record(queueTaskCount) - dm.poolSize.record(poolSize) - } - } - } - } - - @Pointcut("execution(* akka.dispatch.MessageDispatcher.shutdown(..)) && this(dispatcher)") - def onDispatcherShutdown(dispatcher: MessageDispatcher): Unit = {} - - @After("onDispatcherShutdown(dispatcher)") - def afterDispatcherShutdown(dispatcher: MessageDispatcher): Unit = { - val dispatcherWithMetrics = dispatcher.asInstanceOf[DispatcherMessageMetrics] - - dispatcherWithMetrics.dispatcherMetricsRecorder.map { - dispatcher ⇒ - dispatcherWithMetrics.dispatcherCollectorCancellable.cancel() - Kamon(Metrics)(dispatcherWithMetrics.actorSystem).unregister(dispatcherWithMetrics.metricIdentity) - } - } -} - -@Aspect -class DispatcherMetricsMixin { - - @DeclareMixin("akka.dispatch.Dispatcher") - def mixinDispatcherMetricsToMessageDispatcher: DispatcherMessageMetrics = new DispatcherMessageMetrics {} - - @DeclareMixin("akka.dispatch.Dispatchers") - def mixinDispatchersToDispatchersWithActorSystem: DispatchersWithActorSystem = new DispatchersWithActorSystem {} -} - -trait DispatcherMessageMetrics { - var metricIdentity: DispatcherMetrics = _ - var dispatcherMetricsRecorder: Option[DispatcherMetricRecorder] = _ - var dispatcherCollectorCancellable: Cancellable = _ - var actorSystem: ActorSystemImpl = _ -} - -trait DispatchersWithActorSystem { - var actorSystem: ActorSystemImpl = _ -} - -object DispatcherMetricsCollector { - - case class DispatcherMetricsMeasurement(maximumPoolSize: Long, runningThreadCount: Long, queueTaskCount: Long, poolSize: Long) - - private def collectForkJoinMetrics(pool: ForkJoinPool): DispatcherMetricsMeasurement = { - DispatcherMetricsMeasurement(pool.getParallelism, pool.getActiveThreadCount, - (pool.getQueuedTaskCount + pool.getQueuedSubmissionCount), pool.getPoolSize) - } - - private def collectExecutorMetrics(pool: ThreadPoolExecutor): DispatcherMetricsMeasurement = { - DispatcherMetricsMeasurement(pool.getMaximumPoolSize, pool.getActiveCount, pool.getQueue.size(), pool.getPoolSize) - } - - private val executorServiceMethod: Method = { - // executorService is protected - val method = classOf[Dispatcher].getDeclaredMethod("executorService") - method.setAccessible(true) - method - } - - def collect(dispatcher: MessageDispatcher): DispatcherMetricsMeasurement = { - dispatcher match { - case x: Dispatcher ⇒ { - val executor = executorServiceMethod.invoke(x) match { - case delegate: ExecutorServiceDelegate ⇒ delegate.executor - case other ⇒ other - } - - executor match { - case fjp: ForkJoinPool ⇒ collectForkJoinMetrics(fjp) - case tpe: ThreadPoolExecutor ⇒ collectExecutorMetrics(tpe) - case anything ⇒ DispatcherMetricsMeasurement(0L, 0L, 0L, 0L) - } - } - case _ ⇒ new DispatcherMetricsMeasurement(0L, 0L, 0L, 0L) - } - } -} |