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hrut_ps

The hrut_ps command prints process status information not supported by BusyBox's ps command, including process ID, parent process ID, priority, memory usage, virtual memory, and more.

Syntax​

  hrut_ps

Supported Information​

  • pid: Process ID. Each process in the operating system has a unique identifier called the process ID (pid), which is used to uniquely identify and reference a process within the system.
  • ppid: Parent Process ID. This indicates the parent process that created the current process.
  • state: Process state.
    • I: Idle.
    • R: Running.
    • S: Sleeping.
    • D: Disk sleeping (uninterruptible sleep).
    • T: Stopped.
    • X: Dead.
    • Z: Zombie.
    • t: Tracing stop.
    • P: Parked.
  • prio: Priority. Represents the scheduling priority of the process, usually expressed as a numeric value. A higher number typically indicates higher priority, making the process more likely to receive CPU time slices.
  • nice: Nice value. Represents the scheduling priority as an integer. A lower nice value indicates higher priority, allowing the process to obtain CPU time more frequently.
  • rt_prio: Real-time priority. Indicates the priority of real-time processes; a lower value signifies higher real-time priority.
  • policy: Scheduling policy. Specifies the scheduling policy used for the process, typically a scheduling algorithm such as First-In-First-Out (FIFO), Round Robin (RR), etc.
  • vsize: Virtual memory size. Represents the size of the virtual memory address space accessible to the process.
  • rss: Resident Set Size (physical memory usage). Indicates the amount of physical RAM currently allocated and used by the process.
  • comm: Command name. Contains the name of the command or executable file associated with the process, used to identify the process type or purpose.
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