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Update spec to include Process CPU Time #450

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merged 3 commits into from Sep 27, 2019
Merged

Update spec to include Process CPU Time #450

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2c9d69d
Update Spec to include Process CPU Time
Yushan-Lin Sep 25, 2019
1293aac
Update changelog to reflect changes in spec
Yushan-Lin Sep 26, 2019
5fce76f
update spec
Yushan-Lin Sep 26, 2019
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3 changes: 3 additions & 0 deletions spec/src/main/asciidoc/changelog.adoc
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Expand Up @@ -23,6 +23,9 @@

Changes marked with icon:bolt[role="red"] are breaking changes relative to previous versions of the spec.

* Changes in 2.2
** Added ProcessCpuTime as a new optional base metric.

* Changes in 2.1
** Clarified that metric registry implementations are required to be thread-safe.
** Clarified in the API code that Gauges must return values that extend `java.lang.Number`.
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13 changes: 12 additions & 1 deletion spec/src/main/asciidoc/required-metrics.adoc
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@@ -1,5 +1,5 @@
//
// Copyright (c) 2016-2018 Contributors to the Eclipse Foundation
// Copyright (c) 2016-2019 Contributors to the Eclipse Foundation
//
// See the NOTICE file(s) distributed with this work for additional
// information regarding copyright ownership.
Expand Down Expand Up @@ -240,3 +240,14 @@ Vendors should either use other metrics that are close enough as substitute or n
Note: This is a vendor specific attribute/operation that is not defined in java.lang
|===

*(Optional) ProcessCpuTime*
[cols="1,4"]
|===
|Name| cpu.processCpuTime
|DisplayName| Process CPU Time
|Type| Gauge
|Unit| Nanoseconds
|Description| Displays the CPU time used by the process on which the Java virtual machine is running in nanoseconds.
|MBean| java.lang:type=OperatingSystem (com.sun.management.UnixOperatingSystemMXBean for Oracle Java, similar one exists for IBM Java: com.ibm.lang.management.ExtendedOperatingSystem)
Note: This is a vendor specific attribute/operation that is not defined in java.lang
|===