Keysight Technologies U4301 User Manual page 134

10 Computing and Viewing Decoded Transactions
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For each of these related transactions in a set, you can view:
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NOTE
PCIe Packets applicable for a Transaction Set
In the right pane of the Visualize Transaction dialog box, by default, PCIe packets are listed as per the
Nested (Time Ordered) option. This means packets are listed in a time based sequence with the
completion packets nested within the applicable Read packets. If required, you can change this
display to:
For each of the listed packets, the following time related fields are displayed:
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You can enable or disable the display of Completions and Acks packets from the packets list in the
right pane using the Show Completions and Acks checkboxes respectively.
To get visualize transaction information specific to storage protocols, refer to
Set of Transactions for a Command Submission and Completion"
Complete Set of AHCI Transactions"
134
finally the CQDB (Completion Queue Doorbell) transaction.
the associated raw payload in the lower pane.
the applicable PCIe packet(s) in the right pane.
Clicking a super transaction displays the combined payload for the complete set of
transactions.
• list the packets in a logical sequence instead of time based sequence - Logical (Not Time
Ordered) option.
• list the packets without nesting the completions within the read packets - Packets (Time
Ordered) option.
Timestamp - This field is relative to the timestamp of the first packet displayed for the transaction
set. (The first packet timestamp is taken as 0s.).
Delta Time - This field displays the difference between the timestamp of the currently selected
packet and the previous packet in the list of packets for the transaction set.
on page 151.
Keysight U4301 PCIe Gen3 Analyzer User's Guide
"Viewing a Complete
on page 141 and "Visualizing a