11.11 Event Viewer Settings dialog box

Use the Event Viewer Settings dialog to select a Trace Source as well as to set up Ports (if ITM is the trace source) or Masters (if STM is the trace source) to display in the Events view.

General settings

Select a Trace Source

Selects the required trace source from the list.

Height
The number of lines to display per results page. The default is 100 lines.
Width
The number of characters to display per line. The default is 80 characters.
Import

Imports an existing Event Viewer Settings configuration file. This file contains details about the Trace Source and Ports (in the case of ITM trace) or Masters and Channels (in the case of STM trace) used to create the configuration.

Export

Exports the currently displayed Event Viewer Settings configuration to use with a different Events view.

OK

Reorganizes the current channels into a canonical form, saves the settings, and closes the dialog box.

Cancel

Enables you to cancel unsaved changes.

Figure 11-14 Event Viewer Settings (Shown with all Masters and Channels enabled for an ETR:STM trace source)
Event Viewer Settings (Shown with all Masters and Channels enabled for an ETR:STM trace source)


For ITM trace sources

Ports
Click to add or delete a Port.
Encoding
Select the type of encoding you want for the data associated with the port. The options available are Binary, Text, and TAE.
Reset
Click Reset to display and enable all available Ports for the selected ITM trace source.

Note:

This clears any custom settings.
Clear
Click to clear all Ports.
Show local timestamps
Select to display local timestamps. Local timestamps are expressed as an interval since the last local timestamp. Local timestamps are available for CoreSight ITM trace and M-profile ITM trace.
Show global timestamps (M-profile only)
Select to display global timestamps. Global timestamps are expressed as a 48-bit or 64-bit counter value.
Show event counter wrapping (M-profile only)
Select to display event counter wrapping packets from the M-profile Data Watchpoint and Trace (DWT) unit.
Show exception tracing (M-profile only)
Select to display exception trace packets from the M-profile DWT unit.
Show PC sampling (M-profile only)
Select to display PC sampling packets from the M-profile DWT unit.
Show data tracing (M-profile only)
Select to display data trace packets from the M-profile DWT unit.
Show live decode console
Select to display the Live Decode tab in the Events view. The Live Decode tab displays streaming trace data from your target.
Figure 11-15 Events view - Live Decode tab
Events view - Live Decode tab


Note:

  • To use the Live Decode tab, your target must support ITM or STM trace and must be connected to a DSTREAM-ST unit.
  • Live streaming data is read-only.
  • If generating a large amount of ITM or STM trace, ARM® recommends:
    • Turning off Core Trace in the DSTL Options dialog. This is to avoid data overflow issues when a large amount of data is generated.
    • Disabling some channels or ports to reduce data overload issues in the Live Decode tab.

For STM trace sources

Masters
Click to add or delete Masters and Channels that you want to display in the Events view.

Note:

Masters are only available for STM trace.
Encoding
Select the type of encoding you want for the data associated with the channels. The options available are Binary and Text.
Reset

Click Reset to display and enable all available Masters and Channels for the selected STM trace source.

Note:

This clears any custom settings.
Clear
Click to clear all Masters and Channels.
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