JDK-8133527 : JFR reports abnormally high machine CPU consumption on Linux
- Type: Bug
- Component: hotspot
- Sub-Component: jfr
- Affected Version: 9
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- OS: linux_2.6
- CPU: generic
- Submitted: 2015-08-13
- Updated: 2016-01-14
- Resolved: 2015-08-17
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| JDK 9 |
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9 b81Fixed  |
Related Reports
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Relates :
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Sub Tasks
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JDK-8143557 :
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Description
The code used to calculate various CPU usage statics depends on out-of-date interpretation of various fields in /proc/stats that no longer hold true since Linux 2.6. This can result in issues like JFR reporting 100% CPU consumption for IO heavy loads.
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