diff options
Diffstat (limited to 'kamon-system-metrics/src/main/scala/kamon/system/jmx/NonHeapMemoryMetrics.scala')
-rw-r--r-- | kamon-system-metrics/src/main/scala/kamon/system/jmx/NonHeapMemoryMetrics.scala | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kamon-system-metrics/src/main/scala/kamon/system/jmx/NonHeapMemoryMetrics.scala b/kamon-system-metrics/src/main/scala/kamon/system/jmx/NonHeapMemoryMetrics.scala new file mode 100644 index 00000000..34a23d4f --- /dev/null +++ b/kamon-system-metrics/src/main/scala/kamon/system/jmx/NonHeapMemoryMetrics.scala @@ -0,0 +1,33 @@ +package kamon.system.jmx + +import java.lang.management.ManagementFactory + +import kamon.metric.GenericEntityRecorder +import kamon.metric.instrument.{ Memory, InstrumentFactory } + +class NonHeapMemoryMetrics(instrumentFactory: InstrumentFactory) extends GenericEntityRecorder(instrumentFactory) { + val memoryBean = ManagementFactory.getMemoryMXBean + def nonHeapUsage = memoryBean.getNonHeapMemoryUsage + + gauge("non-heap-used", Memory.Bytes, () ⇒ { + nonHeapUsage.getUsed + }) + + gauge("non-heap-max", Memory.Bytes, () ⇒ { + val max = nonHeapUsage.getMax + + // .getMax can return -1 if the max is not defined. + if (max >= 0) max + else 0 + }) + + gauge("non-heap-committed", Memory.Bytes, () ⇒ { + nonHeapUsage.getCommitted + }) + +} + +object NonHeapMemoryMetrics extends JmxSystemMetricRecorderCompanion("non-heap-memory") { + def apply(instrumentFactory: InstrumentFactory): NonHeapMemoryMetrics = + new NonHeapMemoryMetrics(instrumentFactory) +} |