Cherry-pick #25057 to 7.x: Add cgroup.cpuacct percentages#25095
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fearful-symmetry merged 3 commits intoelastic:7.xfrom Apr 19, 2021
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Cherry-pick #25057 to 7.x: Add cgroup.cpuacct percentages#25095fearful-symmetry merged 3 commits intoelastic:7.xfrom
fearful-symmetry merged 3 commits intoelastic:7.xfrom
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* initial commit of cgroup cpuacct percentages * add in percpu flag * fix up pct function * formatting, name cleanup * remove old code (cherry picked from commit b2f22fa)
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jsoriano
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Apr 15, 2021
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Cherry-pick of PR #25057 to 7.x branch. Original message:
What does this PR do?
This PR addresses #23391 and adds percentage values to the
cpuacctcgroup. Although that change is fairly straightforward, I felt the need to do some refactoring to make it nice--right now, the process metricset tends to divide work between the metricset itself and libbeat in a way that doesn't seem consistent, as libbeat does almost all the heavy lifting for regular process metrics, and then for cgroup data we do all the work in the metricset.In order to emulate how process calculates regular cpu percentages, I just had libbeat manage cgroup data the way in manages all the other process data, so we just need to add the bits that deals with cgroup logic, and everything else is handled by the existing process process code. As a result of this, most of the cgroup logic has now been moved to libbeat, since I felt it made organizational sense to not flip-flop between doing the
MapStrmanipulation between two different libraries.Why is it important?
People are asking for the enhancement in #23391
Checklist
CHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.How to test this PR locally
system/processon a host with cgroups, and cgroup processes running.system.process.cgroups.cpuacct, make sure the values are there, and that they make sense.Related issues