1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* =========================================================================================
* 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 java.lang.management.ManagementFactory
import akka.actor.ActorSystem
import com.typesafe.config.Config
import kamon.metric._
import kamon.metric.instrument.{ Gauge, Histogram }
case class ThreadMetrics(name: String) extends MetricGroupIdentity {
val category = ThreadMetrics
}
object ThreadMetrics extends MetricGroupCategory {
val name = "thread"
case object Damon extends MetricIdentity { val name = "daemon-count" }
case object Count extends MetricIdentity { val name = "count" }
case object Peak extends MetricIdentity { val name = "peak-count" }
case class ThreadMetricRecorder(daemon: Gauge, count: Gauge, peak: Gauge)
extends MetricGroupRecorder {
def collect(context: CollectionContext): MetricGroupSnapshot = {
ThreadMetricSnapshot(daemon.collect(context), count.collect(context), peak.collect(context))
}
def cleanup: Unit = {}
}
case class ThreadMetricSnapshot(daemon: Histogram.Snapshot, count: Histogram.Snapshot, peak: Histogram.Snapshot)
extends MetricGroupSnapshot {
type GroupSnapshotType = ThreadMetricSnapshot
def merge(that: GroupSnapshotType, context: CollectionContext): GroupSnapshotType = {
ThreadMetricSnapshot(daemon.merge(that.daemon, context), count.merge(that.count, context), peak.merge(that.peak, context))
}
lazy val metrics: Map[MetricIdentity, MetricSnapshot] = Map(
Damon -> daemon,
Count -> count,
Peak -> peak)
}
val Factory = ThreadMetricGroupFactory
}
case object ThreadMetricGroupFactory extends MetricGroupFactory {
import ThreadMetrics._
def threads = ManagementFactory.getThreadMXBean
type GroupRecorder = ThreadMetricRecorder
def create(config: Config, system: ActorSystem): GroupRecorder = {
val settings = config.getConfig("precision.jvm.thread")
val daemonThreadConfig = settings.getConfig("daemon")
val countThreadsConfig = settings.getConfig("count")
val peakThreadsConfig = settings.getConfig("peak")
new ThreadMetricRecorder(
Gauge.fromConfig(daemonThreadConfig, system)(() ⇒ threads.getDaemonThreadCount.toLong),
Gauge.fromConfig(countThreadsConfig, system)(() ⇒ threads.getThreadCount.toLong),
Gauge.fromConfig(peakThreadsConfig, system)(() ⇒ threads.getPeakThreadCount.toLong))
}
}
|
