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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-26794

Unexpected values for CPU utilization in Top hosts widget

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    • Icon: Problem report Problem report
    • Resolution: Unresolved
    • Icon: Trivial Trivial
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    • 7.0.17
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    • None

      In our environment, hosts have both of the following items:

      • `system.cpu.util` (standard CPU usage for the whole system)
      • `proc.cpu.util[httpd]` (discovered via process LLD for Apache)

      Both `system.cpu.util` and `proc.cpu.util[httpd]` items are collect values. These are have same name "CPU utilization." Using same name is from zabbix template.

       

      `Top hosts by CPU utilization` widget shows `proc.cpu.util[httpd]` value to Utilization column.

      The widget is set up by default. And this widget seems to collect Utilzation value from item name.

       

      Both items and widget are from buit-in. This situation easily leads to the issue occurring.

       

      Steps to reproduce:

      1. Add a Linux host which is installed Apache.
      2. `system.cpu.util` item is added.
      3. `proc.cpu.util[httpd]` is added automatically by discover.
      4. Already `Global view` dashboard is added when install zabbix server
      5. Already set `Top hosts by CPU utilization` widget is add to `Global view` dashboard
      6. Add avobe host to `Top hosts by CPU utilization` widget

      Result:
      Utilization column shows CPU usage percent from `proc.cpu.util[httpd]`
      **

      Expected:

      Utilization column shows CPU usage percent from `system.cpu.util`

       

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            pwegrzyn Piotr Wegrzyn
            nmaya maya
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              Created:
              Updated: