# Help understanding cpu values returned by docker module

**URL:** <https://discuss.elastic.co/t/help-understanding-cpu-values-returned-by-docker-module/197617>\
**Category:** Beats\
**Tags:** docker, metricbeat\
**Created:** [September 1, 2019, 9:48am UTC](https://discuss.elastic.co/t/help-understanding-cpu-values-returned-by-docker-module/197617 "2019-09-01T09:48:56Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![marcoregueira](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/marcoregueira/32/52020_2.png) [@marcoregueira](https://discuss.elastic.co/u/marcoregueira)\
**Post date:** [September 1, 2019, 9:48am UTC](https://discuss.elastic.co/t/help-understanding-cpu-values-returned-by-docker-module/197617/1 "2019-09-01T09:48:56Z")

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Hi

I have a test system for ELK using VirtualBox and Docker with 4 virtual cpu cores.

I've managed to enable metricbeat in a container with the docker module enabled (only this module) and I am receiving readings from the docker infrastructure, all seems ok.

It shows strange readings for cpu where values cpu usage raises as up as 300% and more.

I don't know how to interpret these readings. Are they wrong? Is that the sum off all 4 cores? Can I add some kind of automatic correction for these values?

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/f/f/ffe104c85cd5635b0b048a698e8919176feee19e.png)

Thank you!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 29, 2019, 9:49am UTC](https://discuss.elastic.co/t/help-understanding-cpu-values-returned-by-docker-module/197617/2 "2019-09-29T09:49:01Z")

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