Hello, I'm working at autoscaling feature, while scaling up the alarm state change to alarm after 5 min of stressing the cpu, I didn't understand why. The configuration in ceilometer.conf:

[alarm]
evaluation_interval=60

in pipeline.yaml

name: cpu_source
      interval: 60
      meters:
          - "cpu"
      sinks:
          - cpu_sink
          - cpu_delta_sink