Fix configuration values in the perfmon metricset (#19539) (#19666)

* fix config

* changelog

(cherry picked from commit 8ebcc0d)

CHANGELOG.next.asciidoc

@@ -180,6 +180,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Remove dedot for tag values in aws module. {issue}19112[19112] {pull}19221[19221]
 - Set tags correctly if the dimension value is ARN {issue}19111[19111] {pull}19433[19433]
 - Fix bug incorrect parsing of float numbers as integers in Couchbase module {issue}18949[18949] {pull}19055[19055]
+- Fix config example in the perfmon configuration files. {pull}19539[19539]
 - Add missing info about the rest of the azure metricsets in the documentation. {pull}19601[19601]
 
 *Packetbeat*

metricbeat/docs/modules/windows.asciidoc

@@ -33,10 +33,10 @@ metricbeat.modules:
 #  - object: 'Process'
 #    instance: ["*"]
 #    counters:
-#    - name: 'Disk Writes/sec'
-#      field: physical_disk.write.per_sec
+#    - name: '% Processor Time'
+#      field: cpu_usage
 #      format: "float"
-#    - name: "% Disk Write Time"
+#    - name: "Thread Count"
 
 - module: windows
   metricsets: ["service"]

metricbeat/metricbeat.reference.yml

@@ -865,10 +865,10 @@ metricbeat.modules:
 #  - object: 'Process'
 #    instance: ["*"]
 #    counters:
-#    - name: 'Disk Writes/sec'
-#      field: physical_disk.write.per_sec
+#    - name: '% Processor Time'
+#      field: cpu_usage
 #      format: "float"
-#    - name: "% Disk Write Time"
+#    - name: "Thread Count"
 
 - module: windows
   metricsets: ["service"]

metricbeat/module/windows/_meta/config.reference.yml

@@ -8,10 +8,10 @@
 #  - object: 'Process'
 #    instance: ["*"]
 #    counters:
-#    - name: 'Disk Writes/sec'
-#      field: physical_disk.write.per_sec
+#    - name: '% Processor Time'
+#      field: cpu_usage
 #      format: "float"
-#    - name: "% Disk Write Time"
+#    - name: "Thread Count"
 
 - module: windows
   metricsets: ["service"]

x-pack/metricbeat/metricbeat.reference.yml

@@ -1298,10 +1298,10 @@ metricbeat.modules:
 #  - object: 'Process'
 #    instance: ["*"]
 #    counters:
-#    - name: 'Disk Writes/sec'
-#      field: physical_disk.write.per_sec
+#    - name: '% Processor Time'
+#      field: cpu_usage
 #      format: "float"
-#    - name: "% Disk Write Time"
+#    - name: "Thread Count"
 
 - module: windows
   metricsets: ["service"]