Configures SIMulation Workbench’s I/O, logging, and playback tasks.
An I/O task is associated with each I/O device and reads data from or writes data to that device. See Major Simulation Steps and I/O Tasks. Other tasks handle logging and playback.
Two views of this form are available a tabular view and a graphical view. Use the Graphical View option in the upper right corner to select between them.
Graphical View
Displays a graphical view of the CPU assignments that allows them to be changed by dragging and dropping task icons. See Graphical View.
Mapped Boards
Views only I/O tasks for devices mapped to I/O points in the current RTDB. See New/Select RTDB.... Logging and playback tasks are always displayed.
The configuration of I/O tasks is global for all databases and tests. Thus, all I/O tasks are shown by default. When tuning the configuration for a particular real-time database, which might have I/O points mapped to only a subset of the configured boards installed on the system, select this option to only see I/O tasks for boards that are mapped to points in the RTDB indicated by Current RTDB in the lower right corner.
Filter Tasks
Views only tasks whose name matches the regular expression. See Regular Expressions.
Demonstrate 
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Help 
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Task Column
Name of a task.
Instance Column
Instance number of a task. Each device of the same type will have a separate uniquely numbered instance of its I/O task. Other tasks will have only a single instance.
Board Column
Type of device a task is for. Only I/O tasks have devices associated with them. Other tasks will leave this column blank.
Type Column
Indicates whether a task is asynchronous (Async) or synchronous (Sync). Synchronous tasks also indicate which step (1 through 4: corresonding to Read, Script, Models, Write) of the test cycle they execute in. See Major Simulation Steps .
Cpu Column
Which CPU a task will execute on. The asterisk in the column heading indicates that the user may edit it. CPU 0 is reserved for asynchronous tasks, though they may be assigned to other CPUs.
To edit the CPU number, double click on it, type in a new number, then press the enter key. The valid range is indicated in a tool tip when the mouse hovers over this column.
The Real-Time Viewer can change the CPU of task dynamically while a test is running. See Tabular Scheduler Info.
Class Column
Description of a task’s type. The values that may be seen are:
Async I/O
I/O task for devices that are too slow or are inherently asynchronous. This task puts values in a FIFO queue where it is read by the synchronous Input task. See Read Inputs and I/O Tasks.
Inputs
I/O task for reading from an I/O device during the Read stage of the test cycle. See Read Inputs and I/O Tasks.
Outputs
I/O task for writing to an I/O device during the Write stage of the test cycle. See Write Outputs and I/O Tasks.
Data Logger
Task for logging the values of RTDB points during test execution. See Data Recorder.
Inputs Playback
I/O task that supplies inputs with logged values of device inputs during test playback. See Playback Tab.
Outputs Playback
I/O tasks that supplies logged values to device outputs during test playback. See Playback Tab.
RT Script
Task for running the optional TDL Script during the Script stage of the test cycle. See Test Script and Execute (Optional) Test Script.
Priority Column
Scheduling priority of a task.
To edit the scheduling priority, double click on it, type in a new number, then press the enter key. The valid range is indicated in a tool tip when the mouse hovers over this column.
Sched Policy Column
Scheduling policy of a task. The values that may be set are:
Other
Non-real-time, interactive scheduling policy.
Round Robin
Real-time scheduling policy where a process can be preempted by another process of the same priority if its quantum has expired.
FIFO
Real-time scheduling policy where a process can not preempted by another process of the same priority.
To edit the scheduling policy, double click on it, then click on a new selection in the list of choices that drops down.
Debug Column
Sets debug flags for I/O Tasks. Refer to documentation on individual I/O tasks for details.
Options Column
Sets options for I/O Tasks. Refer to documentation on individual I/O tasks for details.
Current RTDB
Real-time database that is currently loaded for editing. See New/Select RTDB....
Apply
Commits all pending edits to the real-time host. See Apply .
Cancel
Discards all pending edits.
Graphical View
Displays a tabular view of the tasks (when this setting is cleared) that allows settings to be changed by editing in the cells of the table. See Tabular View.
Mapped Boards
Views only I/O tasks for boards mapped to I/O points in the current RTDB. See New/Select RTDB.... Logging and playback tasks are always displayed.
The configuration of I/O tasks is global for all databases and tests. Thus, all I/O tasks are shown by default. When tuning the configuration for a particular real-time database, which might have I/O points mapped to only a subset of the configured boards installed on the system, select this option to only see I/O tasks for boards that are mapped to points in the RTDB indicated by Current RTDB in the lower right corner.
Filter Tasks
Views only tasks whose names match the regular expression. See Regular Expressions.
Demonstrate 
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Help 
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Drag and Drop
To select a different CPU for a task, press the left mouse button down on the task’s icon, drag it to a different row with the mouse button still pressed, then release the mouse button.
Current RTDB
Real-time database that is currently loaded for editing. See New/Select RTDB....
Apply
Commits all pending edits to the real-time host. See Apply .
Cancel
Discards all pending edits.