R  Running
                    S  Sleeping in an interruptible wait
                    D  Waiting in uninterruptible disk sleep
                    Z  Zombie
                    T  Stopped (on a signal) or (before Linux 2.6.33) trace stopped
                    t  Tracing stop (Linux 2.6.33 onward)
                    W  Paging (only before Linux 2.6.0)
                    X  Dead (from Linux 2.6.0 onward)
                    x  Dead (Linux 2.6.33 to 3.13 only)
                    K  Wakekill (Linux 2.6.33 to 3.13 only)
                    W  Waking (Linux 2.6.33 to 3.13 only)
                    P  Parked (Linux 3.9 to 3.13 only)