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Computing and Viewing Decoded Transactions
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Saving the Computed Transaction Data
Once you computed the transaction data, you can save it in a logic analyzer .ala configuration file.
The transaction data is saved along with the captured PCIe traffic, device setup details, and any
other configurations that you made in the Protocol Viewer window.
NOTE
To save the computed transaction data
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To access and view previously saved transaction data
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Clearing the Computed Transaction Data
You can clear the computed transaction data displayed in the Transaction Decode tab.
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• Relative Marker - Timestamps are calculated relative to the marker that you select from the
displayed submenu.
Changing the timestamp base recalculates the displayed timestamps based on the selected
base.
Right-click the Timestamp field displayed for a computed transaction and then select Timestamp
Location from the context-menu.
By default, timestamps are displayed in the front of transactions data. If required, you can move
the display of timestamps to the back of transactions data.
You do not need the Transaction Decoder software license to view the saved transaction data.
However, if you want to recompute transactions from the saved PCIe trace, then you need the
Transaction Decoder software license.
Click File > Save as.
In the Save As dialog box, specify the name of the file.
Ensure that the Standard Configuration (*.ala) option is selected as the file type and All Data and Setup
is selected in the File Options group box.
Click Save.
Click File > Open.
In the Open dialog box, navigate to the Standard Configuration (*.ala) file in which you saved the
transaction data.
Click Open.
Right-click a transaction displayed in the Transaction Decode tab.
Click Clear Transaction Data... from the right-click context menu.
Click Yes to confirm.
The computed transactions display is cleared.
Keysight U4301 PCIe Gen3 Analyzer User's Guide
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