# Add\_field per instance of permon metricset **URL:** \ **Category:** Beats\ **Tags:** metricbeat\ **Created:** [October 22, 2019, 2:31pm UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670 "2019-10-22T14:31:35Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![willemdh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/willemdh/32/16922_2.png) [@willemdh](https://discuss.elastic.co/u/willemdh)\ **Post date:** [October 22, 2019, 2:31pm UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670/1 "2019-10-22T14:31:35Z")
Hello, The following does not seem to work? ``` - module: windows metricsets: [perfmon] period: 10s perfmon.ignore_non_existent_counters: true perfmon.group_measurements_by_instance: true perfmon.counters: - instance_label: processor.name instance_name: total measurement_label: processor.time.total.pct query: '\Processor Information(_Total)\% Processor Time' - instance_label: logical_disk.name measurement_label: logical_disk.disk_time.pct query: '\LogicalDisk(*)\% Disk Time' processors: - add_fields: fields: metricset.counter: logical_disk - instance_label: logical_disk.name measurement_label: logical_disk.avg_disk_queue_length query: '\LogicalDisk(*)\Avg. Disk Queue Length' processors: - add_fields: fields: metricset.counter: logical_disk ``` Is there a way to use the add\_field processor per instance in the perfmon module? We would like to monitor some mssql performance counters and add the name of the database in a custom field. That way we can aggregate counters per host per database. If this is not possible, should I make a feature request? Tx! Grtz Willem ---
**Author:** ![pmercado](https://avatars.discourse-cdn.com/v4/letter/p/59ef9b/32.png) [@pmercado](https://discuss.elastic.co/u/pmercado)\ **Post date:** [October 23, 2019, 7:29am UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670/2 "2019-10-23T07:29:40Z")
It looks like processors allow conditions: [https://www.elastic.co/guide/en/beats/filebeat/current/defining-processors.html](https://www.elastic.co/guide/en/beats/filebeat/current/defining-processors.html) [https://www.elastic.co/guide/en/beats/filebeat/current/defining-processors.html#conditions](https://www.elastic.co/guide/en/beats/filebeat/current/defining-processors.html#conditions) can you add conditions based on the data you are receiving? ---
**Author:** ![PeterDK](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/peterdk/32/49432_2.png) [@PeterDK](https://discuss.elastic.co/u/PeterDK)\ **Post date:** [October 23, 2019, 1:45pm UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670/3 "2019-10-23T13:45:13Z")
Hi, as a colleague of Willem I'm also investigating this and I tried the following ``` - module: windows metricsets: [perfmon] period: 10s perfmon.ignore_non_existent_counters: true perfmon.group_measurements_by_instance: true perfmon.counters: - instance_label: processor.name instance_name: total measurement_label: processor.time.total.pct query: '\Processor Information(_Total)\% Processor Time' - instance_label: logical_disk.name measurement_label: logical_disk.disk_time.pct query: '\LogicalDisk(*)\% Disk Time' - instance_label: logical_disk.name measurement_label: logical_disk.avg_disk_queue_length query: '\LogicalDisk(*)\Avg. Disk Queue Length' processors: - add_fields: when.equals: instance_label: logical_disk.name fields: metricset.counter: testfield ``` I also tried with perfmon.counters.instance\_label or putting the logical\_disk.name between quotes but that doesn't work. FYI, without the when.equals part "fields.metricset.counter" is added with value "testfield". We think the issue we have is that the condition needs to meet the key instead of the value. The field actually results in "windows.perfmon.logical\_disk.name". I think we need something like: ``` when.exists: windows.perfmon.logical_disk.name ``` Kind regards, Peter ---
**Author:** ![PeterDK](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/peterdk/32/49432_2.png) [@PeterDK](https://discuss.elastic.co/u/PeterDK)\ **Post date:** [October 23, 2019, 1:53pm UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670/4 "2019-10-23T13:53:56Z")
Ok, we found this, tested it and it works: ``` - module: windows metricsets: [perfmon] period: 10s perfmon.ignore_non_existent_counters: true perfmon.group_measurements_by_instance: true perfmon.counters: - instance_label: processor.name instance_name: total measurement_label: processor.time.total.pct query: '\Processor Information(_Total)\% Processor Time' - instance_label: logical_disk.name measurement_label: logical_disk.disk_time.pct query: '\LogicalDisk(*)\% Disk Time' - instance_label: logical_disk.name measurement_label: logical_disk.avg_disk_queue_length query: '\LogicalDisk(*)\Avg. Disk Queue Length' processors: - add_fields: when.has_fields: ['windows.perfmon.logical_disk.name'] fields: metricset.counter: logical_disk ``` ---
**Author:** ![willemdh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/willemdh/32/16922_2.png) [@willemdh](https://discuss.elastic.co/u/willemdh)\ **Post date:** [October 23, 2019, 2:03pm UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670/5 "2019-10-23T14:03:05Z")
@pmercado Just a small question =\> Any idea when the perfmon module would come out of beta? We are a bit reluctant to use beta features on a large scale. But perfmon is such an important part for Windows monitoring, we kind of really need it. . Tx! ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 20, 2019, 2:03pm UTC](https://discuss.elastic.co/t/add-field-per-instance-of-permon-metricset/204670/6 "2019-11-20T14:03:10Z")
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