: Shows detailed information from the Task Control Block (TCB). tt (taskId) : Displays a stack trace for the specified task. checkStack (taskId) : Prints a summary of a task's stack usage. 2. System Interrogation & Diagnostics
Since the shell is a C interpreter, you can declare and print variables:
rtpSp " " – Spawns a new Real-Time Process from an executable file on disk.
– Analyzes stack usage for a task to check for potential overflows. vxworks command cheat sheet
| Command | Description | |---------|-------------| | d <address> [,width] [,count] | Display memory (hex/ASCII) – e.g., d 0x1000, 4, 32 | | m <address> <value> | Modify memory byte (use mh for half-word, mw for word) | | fill <start> <end> <value> | Fill memory range with a byte value | | copy <src> <dst> <len> | Copy memory | | search <start> <end> <pattern> | Search memory for a byte pattern | | checkStack <taskId> | Check stack overflow/usage of a task |
memset , , – Fills a block of memory with a specific byte value. Execution Control & Hooking
| Command | Description | |---------|-------------| | ifShow | Show network interfaces (IP, MAC, status) | | routeShow | Show routing table | | ping “host” [count] | ICMP echo | | inetStatShow | Show all network connections (TCP/UDP) | | arpShow | Show ARP cache | | netStat | Network statistics (depending on build) | : Shows detailed information from the Task Control
Standard utilities for navigating the target's local or remote file systems. : Displays the current default directory. : Changes the default directory. : Lists files in the current directory. mkdir "name" : Creates a new directory. : Deletes a specified file. 5. Shell Control & Utilities : Displays command history or sets the history buffer size. : Prints a synopsis of available shell routines.
| Command | Description | |---------|-------------| | ls [path] | List directory contents | | cd <path> | Change directory | | pwd | Show current directory | | cat <file> | Print file contents | | copy <src> <dest> | Copy file | | rm <file> | Delete file | | mkdir <dir> | Create directory | | rmdir <dir> | Remove empty directory | | devs | List all devices |
i // See all tasks. Look for one with 'PEND' or 'READY' ti "myHighTask" // Inspect stack and PC taskSuspend "myHighTask" // Pause it. See if system recovers. taskResume "myHighTask" // Resume. taskPrioritySet "myHighTask", 150 // Bump it lower. | Command | Description | |---------|-------------| | d
: Use lkup "command" to check if a command exists before executing it — saves you from frustrating "not found" errors.
– Lists all tasks with their IDs, priorities, status, and stack usage.