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Fix improper total of CPU times (#2123)

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On linux, the cpu timer counters of user and nice include the respective guest and guest_nice counters. This results in improper calculation of percentages.

Please see:
https://github.com/torvalds/linux/blob/447976e/kernel/sched/cputime.c#L169
https://lists.linuxfoundation.org/pipermail/virtualization/2009-August/013459.html
https://github.com/giampaolo/psutil/pull/940
This commit is contained in:
Foxlik
2016-12-05 09:35:59 +01:00
committed by Cameron Sparr
parent 504f4e69db
commit 5a3f2e61f3
3 changed files with 30 additions and 29 deletions
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CHANGELOG.md
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@@ -4,6 +4,7 @@
### Features
- [#2123](https://github.com/influxdata/telegraf/pull/2123): Fix improper calculation of CPU percentages
- [#1564](https://github.com/influxdata/telegraf/issues/1564): Use RFC3339 timestamps in log output.
- [#1997](https://github.com/influxdata/telegraf/issues/1997): Non-default HTTP timeouts for RabbitMQ plugin.
- [#2074](https://github.com/influxdata/telegraf/pull/2074): "discard" output plugin added, primarily for testing purposes.