HPMA User Guide
Table 19: CMN Service Attributes (cont.)
Attribute | Type / Units | Description | C | T | Alarm | |
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System Status |
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Service Load | Percent | Percentage of the CPU time used |
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| N/A | |
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| by this service; indicating how |
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| busy the service is. |
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Memory | Bytes | RAM currently being used by this |
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| N/A | |
Usage |
| service. |
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Percent | Percent | Percent of total available RAM |
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Memory |
| being used. This can be greater |
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Used |
| than 100% if disk swap space is |
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| used. |
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Service | Duration | Total duration since the last |
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| N/A | |
Uptime |
| restart. |
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Service | Duration | Total duration the service has |
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| N/A | |
Runtime |
| functioned since installation; the |
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| sum of all uptimes. |
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Restarts | Count | Total number of restarts since |
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| N/A | |
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| installation. |
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Reference | Text | Indicates the origin of timing |
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| N/A | |
Clock Source |
| information; used for audit mes- |
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| sages, communication, and timing |
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| functions: |
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| • | NTP |
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| • | GPS (not used in the HPMA) |
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Reference | Enumerated | Indicates the current condition of |
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Clock Status | Text | the timing source: |
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| 0 = Stable |
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| 1 = Flywheeling |
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| 2 = Unstable |
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| 3 = Offline |
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| 4 = Unknown |
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