HP-UX HB v13.00 Ch-22 - Performance and Tuning

HP-UX Handbook – Rev 13.00 Page 11 (of 19)
Chapter 22 Performance & Tuning
October 29, 2013
The column headings and the meaning of each column are:
procs
Information about numbers of processes in various states.
r -In run queue
b -Blocked for resources (I/O, paging, etc.)
w -Runnable or short sleeper (< 20 secs) but swapped
memory
Information about the usage of virtual and real memory. Virtual pages are considered
active if they belong to processes that are running or have run in the last 20 seconds.
avm -Active virtual pages
free -Size of the free list
page ( 4096 bytes)
Information about page faults and paging activity. These are averaged each five
seconds, and given in units per second.
re -Page reclaims (without -S)
at -Address translation faults (without -S)
si -Processes swapped in (with -S)
so -Processes swapped out (with -S)
pi -Pages paged in
po -Pages paged out
fr -Pages freed per second
de -Anticipated short term memory shortfall
sr -Pages scanned by clock algorithm, per second
faults
Trap/interrupt rate averages per second over last 5 seconds.
in -Device interrupts per second (nonclock)
sy -System calls per second
cs -CPU context switch rate (switches/sec)
cpu
Breakdown of percentage usage of CPU time for the active processors
us -User time for normal and low priority processes
sy -System call time
id -CPU idle