Hp Integrity NonStop J-Series Manuel d'utilisateur télécharger pdf (Page 57)

Guardian Performance Analyzer (GPA) User Guide – (544541-006) Page 57 of 131

(14)

HALT IMPACT: How system performance would be affected if the

processor failed. Notice in the example that the failure of CPU 0

would result in a significant shortage of available memory on the

other processors.

The Processor Performance Chart also provides the following summary data for the entire

node:

(15)

CPU Count: The total number of processors.

(16)

Avg CPU Busy (^): The average of the percentage busy time for all

processors.

(17)

TUNING WINDOW (w): The amount by which the percentage busy time

of any processor on the node can vary from the average for all

processors without being considered out of balance. This value

depends on the degree to which the system is utilized (see Item 15

above); the higher the percentage utilization, the smaller the tuning

window.

(18)

PCB Count: The total number of PCBs for all processors.

(19)

Node SWAP Rate: The total number of page swaps per second.

(20)

VOLUME Count: The total number of disk volumes.

(21)

Interrupt Busy (+): The portion of the CPU time spent processing

interrupts.

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Hp Integrity NonStop J-Series Manuel d'utilisateur Page 57