perCPU and CPU consumption display time to time a total of 100%

[nicolargo]

It may have a problem in the cpu_percent.py class.

[nicolargo]

The firsts stats are not ok (total =100 and others stats=0, after a while stats are ok but became false again...

$ ./venv/bin/python -m glances --stdout-json percpu
percpu: b'[{"key":"cpu_number","cpu_number":0,"total":66.0,"user":3.0,"system":1.0,"idle":34.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":1,"total":61.0,"user":0.0,"system":0.0,"idle":39.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":2,"total":67.0,"user":4.0,"system":1.0,"idle":33.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":3,"total":61.0,"user":0.0,"system":0.0,"idle":39.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":4,"total":94.0,"user":30.0,"system":3.0,"idle":6.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":5,"total":61.0,"user":0.0,"system":0.0,"idle":39.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":6,"total":92.0,"user":27.0,"system":4.0,"idle":8.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":7,"total":61.0,"user":0.0,"system":0.0,"idle":39.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":8,"total":70.0,"user":8.0,"system":1.0,"idle":30.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":9,"total":61.0,"user":0.0,"system":0.0,"idle":39.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":10,"total":63.0,"user":1.0,"system":0.0,"idle":37.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":11,"total":62.0,"user":0.0,"system":1.0,"idle":38.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":12,"total":63.0,"user":1.0,"system":1.0,"idle":37.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":13,"total":64.0,"user":4.0,"system":1.0,"idle":36.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":14,"total":62.0,"user":1.0,"system":0.0,"idle":38.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":15,"total":63.0,"user":1.0,"system":1.0,"idle":37.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0}]'
percpu: b'[{"key":"cpu_number","cpu_number":0,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":1,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":2,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":3,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":4,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":5,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":6,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":7,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":8,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":9,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":10,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":11,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":12,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":13,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":14,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":15,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0}]'
percpu: b'[{"key":"cpu_number","cpu_number":0,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":1,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":2,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":3,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":4,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":5,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":6,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":7,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":8,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":9,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":10,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":11,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":12,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":13,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":14,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":15,"total":100.0,"user":0.0,"system":0.0,"idle":0.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0}]'
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percpu: b'[{"key":"cpu_number","cpu_number":0,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":1,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":2,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":3,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":4,"total":96.0,"user":1.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":5,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":6,"total":98.0,"user":1.0,"system":0.0,"idle":2.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":7,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":8,"total":97.0,"user":1.0,"system":0.0,"idle":3.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":9,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":10,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":11,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":12,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":13,"total":97.0,"user":1.0,"system":0.0,"idle":3.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":14,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":15,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0}]'
percpu: b'[{"key":"cpu_number","cpu_number":0,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":1,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":2,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":3,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":4,"total":96.0,"user":1.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":5,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":6,"total":98.0,"user":1.0,"system":0.0,"idle":2.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":7,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":8,"total":97.0,"user":1.0,"system":0.0,"idle":3.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":9,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":10,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":11,"total":95.0,"user":0.0,"system":0.0,"idle":5.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":12,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":13,"total":97.0,"user":1.0,"system":0.0,"idle":3.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":14,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0},{"key":"cpu_number","cpu_number":15,"total":96.0,"user":0.0,"system":0.0,"idle":4.0,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0}]'

A simple test on the CpuPercent class (glances/cpu_percent.py) works as expected:

import time
from glances.cpu_percent import cpu_percent

while True:
    print([i['total'] for i in cpu_percent.get_percpu()])
    time.sleep(2)

display:

./venv/bin/python test.py 
[93.0, 93.0, 93.0, 93.0, 99.0, 92.0, 94.0, 93.0, 93.0, 92.0, 92.0, 93.0, 92.0, 93.0, 93.0, 92.0]
[0.5, 0.0, 0.5, 0.5, 1.5, 0.5, 0.0, 0.5, 1.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.0, 0.5]
[0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.5, 0.5, 1.5, 0.0, 0.5, 0.0, 0.0, 1.0, 0.5, 0.5]
[6.5, 0.0, 0.5, 0.5, 10.9, 1.5, 10.5, 1.5, 4.5, 0.0, 10.9, 0.5, 1.0, 0.0, 0.0, 0.5]
[8.0, 0.5, 3.5, 0.5, 42.2, 1.5, 43.7, 2.0, 13.6, 1.5, 7.6, 0.0, 3.0, 4.0, 3.5, 3.0]
[2.0, 0.0, 4.0, 0.5, 10.9, 53.5, 22.2, 2.0, 4.5, 0.0, 4.0, 0.0, 3.0, 1.5, 2.0, 1.0]
[2.5, 0.5, 0.5, 0.0, 0.5, 0.5, 1.0, 0.0, 1.0, 1.0, 1.0, 0.5, 0.5, 1.0, 0.5, 0.0]
...

[nicolargo]

Patch available in the develop branch