Number Of Segments And Trace Size - Viavi Xgig User Manual

Chapter 4, Xgig TraceControl Capture Configuration
To specify the frame length, follow these steps:
Place the cursor in the
1
2 Use the arrow keys to select a size, or enter a value in the field.

Number of Segments and Trace Size

The
Number of Segments
sequence of how segments are filled when capturing events is determined by the option used when
you start the capture.
The hardware capture buffer on Xgig Analyzer blades can be divided into different segments.
Buffer segmentation allows you to perform multiple captures within a single capture buffer. Time
between trigger and restarting capture is minimized allowing you to avoid missing critical events
when capturing multiple sections of information. See
for information on selecting a segment and segment capture modes.
The Number of Segments
Number of Segments
the available memory.
For example, if you select 4 as the value for
for that port is 2GB, the
value may vary slightly due to the header size).
102
field.
Payload/Frame
and the fields are used in buffer segmentation. The
Trace Size
and the Trace Size fields are interrelated. Setting the value for
determines the value for the
Number of Segments
value will be set to approximately 500MB (note that exact
Trace Size
"Segment Capture Options" on page
Trace Size . The trace size is adjusted based on
and the total memory available
Xgig Analyzer User's Guide
General Settings
139"