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inetstatShow – Shows all active internet connections, open ports, and protocol states (similar to netstat ). routeShow – Displays the current IP routing table. Connectivity Testing
: Prints the full absolute path of the current directory.
ti – Shows detailed, verbose information about a specific task (stack usage, options, TCB).
| Command | Description | |---------|-------------| | tickGet | Get current tick count | | tickAnnounce | Manually announce a tick (for testing) | | tickShow | Show tick rate and system time | | sysClkRateGet | Get system clock ticks per second | | sysClkRateSet <hz> | Change clock rate | | delay <ticks> | Delay current task by ticks | | taskDelay <ticks> | Same as delay | vxworks command cheat sheet
: Prints the absolute path of the current working directory.
– Displays the current Address Resolution Protocol (ARP) table. Filesystem & Storage Operations
: Shows detailed information from the Task Control Block (TCB) for a specific task. inetstatShow – Shows all active internet connections, open
| Command | Description | |---------|-------------| | ifconfig | Show network interface config | | ifAddrSet <ifname>, <ip> | Set IP address (e.g., ifAddrSet "fei0", 192.168.1.10 ) | | routeShow | Show routing table | | ping <ip> | Send ICMP echo | | inetStatShow | Show all TCP/UDP connections | | arpShow | Show ARP cache | | tftpGet <host>, <filename>, <dest> | TFTP download | | tftpPut <host>, <src>, <filename> | TFTP upload |
– Lists all initialized hardware devices on the system.
: Displays memory contents starting at a specific address. ti – Shows detailed, verbose information about a
Understanding system resource utilization is critical for maintaining real-time deterministic performance. Use these commands to inspect memory and hardware statistics. Alternative (C-Shell) Description sysClkRateGet() sysClkRateGet Returns the system clock rate (ticks per second). sysInfo() sysInfo Displays basic hardware platform and OS details. memShow() memShow
Real-time systems frequently communicate over Ethernet networks. These commands allow you to configure interfaces and troubleshoot connectivity. Alternative (C-Shell) Description ifShow() ifShow
| Command | Description | Use Case | | :--- | :--- | :--- | | | Cold restarts the target hardware. | "Just reset it." | | tr | Task Trace – shows task history. | Who blocked which semaphore? | | checkStack | Verifies task stack boundaries (no overflow). | Intermittent crashes. | | wdShow | Shows all watchdog timers. | Hung task detection. | | exceptionShow | Prints detailed exception register dump. | After a page fault. | | lkup | Look up symbols by name (or partial name). | lkup "net" (finds all network symbols) | | objShowAll | Lists all kernel objects (tasks, semaphores, msgQs). | Resource leak hunting. |
– Changes a task's priority dynamically (0 is highest, 255 is lowest).
Real-time systems must monitor memory fragmentation and leaks vigilantly to maintain deterministic performance. memShow / show
