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Handle deprecated "cpu_util" metric

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The "cpu_util" metric has been deprecated a few years ago.
We'll obtain the same result by converting the cumulative cpu
time to a percentage, leveraging the rate of change aggregation.

Change-Id: I18fe0de6f74c785e674faceea0c48f44055818fe
This commit is contained in:
Lucian Petrut
2023-10-10 14:29:06 +03:00
parent 922478fbda
commit 00fea975e2
9 changed files with 74 additions and 31 deletions
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2
doc/source/contributor/plugin/strategy-plugin.rst
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@@ -300,6 +300,6 @@ Using that you can now query the values for that specific metric:
.. code-block:: py
avg_meter = self.datasource_backend.statistic_aggregation(
instance.uuid, 'cpu_util', self.periods['instance'],
instance.uuid, 'instance_cpu_usage', self.periods['instance'],
self.granularity,
aggregation=self.aggregation_method['instance'])