Cherry-pick #17879 to 7.x: Metricbeat: Move windows/perfmon metricset…

… to GA (#17932)

* Metricbeat: Move windows/perfmon metricset to GA (#17879)

* move perfmon metricset to GA

* update changelog

(cherry picked from commit 3940cc0)

* update changelog

CHANGELOG.next.asciidoc

@@ -414,6 +414,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Refactor windows/perfmon metricset configuration options and event output. {pull}17596[17596]
 - Reference kubernetes manifests mount data directory from the host when running metricbeat as daemonset, so data persist between executions in the same node. {pull}17429[17429]
 - Add more detailed error messages, system tests and small refactoring to the service metricset in windows. {pull}17725[17725]
+- Move the perfmon metricset to GA. {issue}16608[16608] {pull}17879[17879]
 
 *Packetbeat*
 

metricbeat/docs/modules/windows/perfmon.asciidoc

@@ -5,8 +5,6 @@ This file is generated! See scripts/mage/docs_collector.go
 [[metricbeat-metricset-windows-perfmon]]
 === Windows perfmon metricset
 
-beta[]
-
 include::../../../module/windows/perfmon/_meta/docs.asciidoc[]
 
 

metricbeat/docs/modules_list.asciidoc

@@ -264,7 +264,7 @@ This file is generated! See scripts/mage/docs_collector.go
 |<<metricbeat-metricset-vsphere-host,host>>   
 |<<metricbeat-metricset-vsphere-virtualmachine,virtualmachine>>   
 |<<metricbeat-module-windows,Windows>>     |image:./images/icon-yes.png[Prebuilt dashboards are available]    |  
-.2+| .2+|  |<<metricbeat-metricset-windows-perfmon,perfmon>> beta[]  
+.2+| .2+|  |<<metricbeat-metricset-windows-perfmon,perfmon>>   
 |<<metricbeat-metricset-windows-service,service>>   
 |<<metricbeat-module-zookeeper,ZooKeeper>>     |image:./images/icon-yes.png[Prebuilt dashboards are available]    |  
 .3+| .3+|  |<<metricbeat-metricset-zookeeper-connection,connection>>   

metricbeat/module/windows/perfmon/_meta/fields.yml

@@ -1,6 +1,6 @@
 - name: perfmon
   type: group
-  release: beta
+  release: ga
   description: >
     perfmon
   fields:

metricbeat/module/windows/perfmon/perfmon.go

@@ -24,7 +24,6 @@ import (
 
 	"github.com/pkg/errors"
 
-	"github.com/elastic/beats/v7/libbeat/common/cfgwarn"
 	"github.com/elastic/beats/v7/libbeat/logp"
 	"github.com/elastic/beats/v7/metricbeat/mb"
 )
@@ -43,8 +42,6 @@ type MetricSet struct {
 
 // New create a new instance of the MetricSet.
 func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
-	cfgwarn.Beta("The perfmon metricset is beta")
-
 	var config Config
 	if err := base.Module().UnpackConfig(&config); err != nil {
 		return nil, err