Header cpu %'s don't match reality or per-process usage

Bug #1571915 reported by Daniel D.
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
procps (Ubuntu)
New
Undecided
Unassigned

Bug Description

The header of top (i.e the part that looks as below) is frequently reporting unlikely result. With high load it is reporting mostly idle, even though the per-process cpu usage is reporting multiple processes with 100% and one with 200% cpu usage on a multicore machine.

The numbers don't make sense and don't match the kind of numbers reported in trusty.

There is clearly some funkiness in what the header is reporting.

top - 22:14:53 up 8:31, 2 users, load average: 4.39, 4.79, 5.07
Tasks: 323 total, 2 running, 321 sleeping, 0 stopped, 0 zombie
%Cpu(s): 33.9 us, 4.4 sy, 0.0 ni, 61.5 id, 0.0 wa, 0.0 hi, 0.1 si, 0.0 st
KiB Mem : 65937708 total, 5825444 free, 24041364 used, 36070900 buff/cache
KiB Swap: 67067900 total, 67037844 free, 30056 used. 41123072 avail Mem

Revision history for this message
Daniel D. (cshoredaniel-deactivatedaccount) wrote :

Not an issue in 18.10 which I now use.

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