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Diffstat (limited to 'kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala')
-rw-r--r-- | kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala b/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala new file mode 100644 index 00000000..356504b7 --- /dev/null +++ b/kamon-system-metrics/src/main/scala/kamon/metrics/ProcessCPUMetrics.scala @@ -0,0 +1,76 @@ +/* + * ========================================================================================= + * 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.metrics + +import akka.actor.ActorSystem +import com.typesafe.config.Config +import kamon.metric.instrument.{ Gauge, Histogram } +import kamon.metric._ +import kamon.system.SigarExtensionProvider + +case class ProcessCPUMetrics(name: String) extends MetricGroupIdentity { + val category = ProcessCPUMetrics +} + +object ProcessCPUMetrics extends MetricGroupCategory { + val name = "proc-cpu" + + case object User extends MetricIdentity { val name = "user" } + case object System extends MetricIdentity { val name = "system" } + + case class ProcessCPUMetricsRecorder(user: Gauge, system: Gauge) + extends MetricGroupRecorder { + + def collect(context: CollectionContext): MetricGroupSnapshot = { + ProcessCPUMetricsSnapshot(user.collect(context), system.collect(context)) + } + + def cleanup: Unit = {} + } + + case class ProcessCPUMetricsSnapshot(user: Histogram.Snapshot, system: Histogram.Snapshot) + extends MetricGroupSnapshot { + + type GroupSnapshotType = ProcessCPUMetricsSnapshot + + def merge(that: ProcessCPUMetricsSnapshot, context: CollectionContext): GroupSnapshotType = { + ProcessCPUMetricsSnapshot(user.merge(that.user, context), system.merge(that.system, context)) + } + + lazy val metrics: Map[MetricIdentity, MetricSnapshot] = Map( + User -> user, + System -> system) + } + + val Factory = new MetricGroupFactory with SigarExtensionProvider { + def pid = sigar.getPid + def cpu = sigar.getProcCpu(pid) + + type GroupRecorder = ProcessCPUMetricsRecorder + + def create(config: Config, system: ActorSystem): GroupRecorder = { + val settings = config.getConfig("precision.system.process-cpu") + + val userConfig = settings.getConfig("user") + val systemConfig = settings.getConfig("system") + + new ProcessCPUMetricsRecorder( + Gauge.fromConfig(userConfig, system)(() ⇒ cpu.getUser), + Gauge.fromConfig(systemConfig, system)(() ⇒ cpu.getSys)) + } + } +} + |