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Lund Performance Solutions


SOS

The Real-time Performance Data Utility

SOS is the character-based tool that will monitor and report system performance on-line and in real time.
Figure 4.1 shows the Global Summary screen, the initial screen displayed in SOS.


Figure 4.1 SOS Global Summary screen

Data Screens

The SOS application generates a variety of useful data screens. Each screen is listed in "SOS Screen Selection Menu", then described in detail in Chapters through 28 .

Screen Conventions

The conventions used in SOS data screens are listed and described in the next table.
Table 4.1 SOS screen conventions
Convention
Description
/
A forward slash character (/) indicates a rate. For example, "Packet In /s" denotes "Packets In per second".
***
Three consecutive asterisk characters (***) indicates a data value that cannot be converted by SOS, because the value is less than or greater than the eligible range.
[nnn.n ]
When applicable and possible, cumulative averages are displayed in brackets ([ ]) next to the current interval values. For further information about cumulative averages, see "Displaying Cumulative Statistics".
b
A "b" indicates the corresponding value is measured in bytes.
k
A "kb" indicates the corresponding value is measured in kilobytes.
m
An "m" indicates the corresponding value is measured in megabytes.
g
A "g" indicates the corresponding value is measured in gigabytes.
ms
"ms" indicates the corresponding value is measured in milliseconds.
s
An "s" indicates the corresponding value is measured in seconds.
min
"min" indicates the corresponding value is measured in minutes.

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