Vxworks Command Cheat Sheet -

: Switches the modern VxWorks shell from C-expression mode to command interpreter mode.

Description: Displays the semaphore type (binary, counting, mutual exclusion), its current state, and a list of tasks blocked while waiting for it. Message Queue Auditing msgQShow(msgQId); Cmd: msgq show msgQId

devs : Lists all devices currently known to the target system.

Commands used to control and monitor individual tasks within the system.

The VxWorks shell provides a range of commands for executing scripts, managing environment variables, and more: vxworks command cheat sheet

– Steps into the next assembly instruction or line of code. Object Evolution: Semaphores & Message Queues

: Traces the call stack (Task Trace) of a specified task, displaying the sequence of function calls leading to its current state.

: Spawns a new task. Priority ranges from 0 (highest) to 255 (lowest).

Disclaimer: Command availability may vary based on VxWorks components included in the image. : Switches the modern VxWorks shell from C-expression

For any embedded engineer, a VxWorks cheat sheet is a mandatory tool. While it doesn't replace the deep-dive manuals, its ability to speed up routine task monitoring and memory inspection is unmatched. If you are using an AI-generated version, ensure it follows a structured guide to remain concise and readable.

memShow // Get current free memory. taskSpawn("leakTest", 100, 0, 20000, myBadFunction) // Run suspected code. memShow // Compare free memory. Shrunk? Leak. objShowAll // See if objects (semaphores, msgQs) aren't being deleted.

The standard shell prompt is -> , but when you switch to the command interpreter, it changes to [vxWorks *]# .

: List Directory . Lists files in the current or specified directory. Commands used to control and monitor individual tasks

| Command | Description | |---------|-------------| | i | Show all tasks (Task ID, name, state, priority) | | ti <taskId> | Display task详细信息 (stack, registers, etc.) | | taskSpawn "name", priority, options, stackSize, entryFunc | Create & start a new task | | taskDelete <taskId> | Delete a task | | taskSuspend <taskId> | Suspend a task | | taskResume <taskId> | Resume a suspended task | | taskPrioritySet <taskId> <priority> | Change task priority | | taskPriorityGet <taskId> | Get current priority | | taskLock | Disable preemption for current task | | taskUnlock | Re-enable preemption | | taskSafe | Protect current task from deletion | | taskUnsafe | Remove deletion protection |

: Standard utility to test connectivity to another network host. routeShow : Displays the system's current routing table.

In VxWorks 7, you often need to prefix legacy commands with cmd (e.g., cmd "i" ) if you are in the new Python-based shell.