This chart lists all the processes currently running on the system. The %CPU column displays the share of elapsed CPU time expressed as a percentage of total CPU time. The column STAT displays the process state.

The Process State Codes:

D: uninterruptible sleep (usually IO)

R: runnable (on run queue)

S: sleeping

T: traced or stopped

Z: a defunct ("zombie") process

Additional letters may be displayed:

W: has no resident pages

<: high-priority process

N: low-priority task

L: has pages locked into memory (for real-time and custom IO)