MP-20x Telephone Adapter 262 Document #: LTRT-50609
User's Manual
15.3 CPU
The 'CPU' screen displays the following system parameters:
System Has Been Up For: amount of time that has passed since MP-20x was last
started.
Load Average (1 / 5 / 15 mins.): average number of processes that are either in a
runnable or uninterruptible state. A process in the runnable state is either using the
CPU or waiting to use the CPU. A process in the uninterruptible state is waiting for I/O
access, e.g. waiting for the disk. The averages are taken over the three time intervals.
The meaning of the load average value varies according to the number of CPUs in the
system. This means for example, that a load average of 1 on a single-CPU system
means that the CPU was loaded all the time, while on a 4-CPU system this means
that the CPU was idle 75% of the time.
Processes: processes currently running on MP-20x and their virtual memory usage.
The amount of memory granted for each process is presented with the help of the
following parameters:
• Total Virtual Memory (VmData): amount of memory currently utilized by the
running process.
• Heap size (VmSize): total amount of memory allocated for the running process.
¾ To view the CPU statistics:
In the 'System Monitoring' screen, click the CPU tab; the 'CPU' screen opens.
Figure 15-3: CPU Screen
The screen is automatically refreshed by default, though you may change this by clicking
Automatic Refresh Off.
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