: Spawns a new task. It accepts up to 9 arguments with a default priority of 100. ts taskId : Suspends a specific task by its ID. tr taskId : Resumes a suspended task. td taskId : Deletes a task immediately.
: Shows all open File Descriptors across the system, indicating which task holds them.
Gather data about the hardware environment and system status. : Lists all devices currently known on the target. lkup "string"
/ ll "[path]" : Lists directory contents on a mounted drive or device. cd "[path]" : Changes the current working directory context. pwd : Prints the full directory path currently selected.
semShow , – Displays information about a semaphore, including its type (binary, counting, mutual exclusion) and the queue of tasks blocked on it. Message Queues vxworks command cheat sheet
: Prints the percentage of CPU time consumed by each active task during the spy window.
taskShow / taskInfo — Display task lists and details.
If a command isn't working, type help "command" first. If that fails, your BSP might have disabled the C interpreter. In that case, switch to the Kernel Shell using -> prompt.
: Inet Stat Show . Displays statistics for TCP/IP networking protocols. routeShow : Route Show . Displays the system routing table. hostShow : Host Show . Displays the host table. 6. Miscellaneous Utility Commands h : History . Displays the command history. help : Help . Displays a list of available commands. : Spawns a new task
: Prints the full absolute path of the current directory.
Are there (like memory leaks or deadlocks) you need to troubleshoot? Share public link
memset , , – Fills a block of memory with a specific byte value. Execution Control & Hooking
: Terminates and removes the task from the system schedule. tr taskId : Resumes a suspended task
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 lkup command is critical for verifying if a specific driver or function exists in the current build (i.e., component inclusion). Additionally, the version output should be part of your initial troubleshooting checklist, as certain bugs or missing features may depend on specific patches or version numbers.
Commands for managing loadable modules and network settings. : Load an object module into memory. unld "moduleName" : Unload a module. bootChange : Change the boot line parameters. h : Display or set the size of shell command history. logout : Log out of the shell session. 6. Pro-Tips for VxWorks Shell Users
taskPrioritySet , – Changes task priority dynamically (0 is highest, 255 is lowest). 3. System Information & Memory Diagnostic Tools