Voyager DP-263-S Bedienungsanleitung PDF herunterladen (Seite 4)

be expanded and collapsed to show

packet layer events including link state

changes, link management packets

(LMPs) and flow control symbols.

Raw Debugging Power

The Voyager includes a special Link

Tracker™ view that captures every

transition and presents raw 10-bit data

patterns chronologically with timing

resolution of 2 ns. Designed to assist

with low-level debugging, all ordered

sets including training sequences and

loopback symbols can be displayed

in raw 10-bit, 8-bit, scrambled, and

unscrambled Hex format. Symbol-

to-symbol timing measurements are

possible with a single click.

Intelligent Triggering

The Voyager provides hardware

triggering to pinpoint protocol events

of interest. Trigger events can be

specified at the lowest levels including

bus states and link commands (TS1/2,

LBAD, ACK, ERDY, etc..) or header

fields (packet type, route strings,

etc…). Users can define sophisticated

sequential event trigger scenarios that

include SCSI operations, counters,

loops and timers all within a multi-

level sequence.

Real Time Filtering

SuperSpeed data transfers at 5 Gb/s

can fill memory buffers in an instant,

making event filtering critical for

efficient debug. The Voyager analyzer

can filter unwanted traffic from the

buffer in real-time by discarding

redundant patterns such as SKPs,

idles, LFPS, and training sequences.

Filtering logic can also include trans-

action layer packets with added

criteria like direction or port number.

Error and Event Reporting

The Voyager can detect and flag

protocol errors including logical link

and timing errors. At the lower layers,

training sequences and link commands

are automatically verified for proper

sequencing. Useful for performance

analysis, the RTS view provides real

time throughput and new frame-error-

rate metrics.

LFPS signaling is shown in the trace allowing users verify link recovery timing.

Find the issues faster by triggering on any header field.

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