diff options
Diffstat (limited to 'kamon-system-metrics/src/main/scala/kamon/system/SystemMetricsExtension.scala')
-rw-r--r-- | kamon-system-metrics/src/main/scala/kamon/system/SystemMetricsExtension.scala | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/kamon-system-metrics/src/main/scala/kamon/system/SystemMetricsExtension.scala b/kamon-system-metrics/src/main/scala/kamon/system/SystemMetricsExtension.scala new file mode 100644 index 00000000..df120611 --- /dev/null +++ b/kamon-system-metrics/src/main/scala/kamon/system/SystemMetricsExtension.scala @@ -0,0 +1,70 @@ +/* + * ========================================================================================= + * 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.io.File +import akka.actor._ +import akka.event.Logging +import kamon.system.custom.{ ContextSwitchesUpdater, ContextSwitchesMetrics } +import kamon.system.jmx._ +import kamon.{ ModuleSupervisor, Kamon } +import kamon.metric._ +import kamon.sigar.SigarProvisioner +import kamon.system.sigar.SigarMetricsUpdater + +import kamon.util.ConfigTools.Syntax + +object SystemMetrics extends ExtensionId[SystemMetricsExtension] with ExtensionIdProvider { + override def lookup(): ExtensionId[_ <: Extension] = SystemMetrics + override def createExtension(system: ExtendedActorSystem): SystemMetricsExtension = new SystemMetricsExtension(system) +} + +class SystemMetricsExtension(system: ExtendedActorSystem) extends Kamon.Extension { + + val log = Logging(system, classOf[SystemMetricsExtension]) + log.info(s"Starting the Kamon(SystemMetrics) extension") + + val config = system.settings.config.getConfig("kamon.system-metrics") + val sigarFolder = config.getString("sigar-native-folder") + val sigarRefreshInterval = config.getFiniteDuration("sigar-metrics-refresh-interval") + val contextSwitchesRefreshInterval = config.getFiniteDuration("context-switches-refresh-interval") + val metricsExtension = Kamon(Metrics)(system) + + // Sigar-based metrics + SigarProvisioner.provision(new File(sigarFolder)) + val sigarMetricsRecorder = ModuleSupervisor.get(system).createModule("sigar-metrics-recorder", + SigarMetricsUpdater.props(sigarRefreshInterval).withDispatcher("kamon.system-metrics.sigar-dispatcher")) + + // JMX Metrics + ClassLoadingMetrics.register(metricsExtension) + GarbageCollectionMetrics.register(metricsExtension) + HeapMemoryMetrics.register(metricsExtension) + NonHeapMemoryMetrics.register(metricsExtension) + ThreadsMetrics.register(metricsExtension) + + // If we are in Linux, add ContextSwitchesMetrics as well. + if (isLinux) { + val contextSwitchesRecorder = ContextSwitchesMetrics.register(system, contextSwitchesRefreshInterval) + + ModuleSupervisor.get(system).createModule("context-switches-metrics-recorder", + ContextSwitchesUpdater.props(contextSwitchesRecorder, sigarRefreshInterval) + .withDispatcher("kamon.system-metrics.context-switches-dispatcher")) + } + + def isLinux: Boolean = + System.getProperty("os.name").indexOf("Linux") != -1 + +}
\ No newline at end of file |