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Interactive Controls

Quite a number of single-key interactive commands can be used while pstat is running to change the way the utility displays information. The commands are not available if pstat runs with the -t or -l command-line option.

Key

Action

h, ?

Print a help screen.

space

Update display immediately.

q

Quit.

t

Change the delay between screen updates. You will be prompted to enter new delay time, in seconds. Entering 0 causes continuous updates. See also the -d command-line parameter.

b

Set the "brief" details level. See also the -b command-line parameter.

s

Set the "normal" details level.

v

Set the "verbose" details level. See also the -v command-line parameter.

a

"Averaged" mode. Monitoring parameters will be averaged through a minute. This includes: 1. Number of uninterruptible processes; 2. Scheduling max latency; 3. Memory allocation max latency; 4. Size of free/active/inactive memory; 5. Swap-in latency; 6. UBC fail-counters absolute values.

e

Toggle display of virtual machine and Container IP addresses/hostnames.

i

Toggle display of idle virtual machines and Containers.

l

Toggle display of load average.

p

Toggle display of processes statistics.

c

Toggle display of CPU usage statistics.

w

Toggle display of swap information.

m, M

Toggle/expand display of memory information. Each subsystem, including memory, network and disk has a number of verbosity levels. In the minimal level no information is displayed. Corresponding interactive lowercase key decreases verbosity level, the same key in uppercase increases it.

n, N

Toggle/expand display of network statistics.

A

Toggle display of disk input and output statistics for virtual machines and Containers.

I

Toggle display of input and output accounting for virtual machines and Containers.

X

Toggle display of network statistics for virtual machines and Containers.

d, D

Toggle/expand display of disk usage and activity information.

0

Toggle display of statistics for the server itself.

o

Sort key. You can use one of the following sort option keys:

n

Sort by Container ID

c

Sort by CPU usage

f

Sort by UBC failure counters

r

Sort by the number of running processes

p

Sort by the total number of processes

t

Sort by virtual machine or Container status. virtual machines and Containers which probably are unusable or unstable (increasing UBC failure counters or very high scheduling latency) will be shown first.

s

Sort by the number of open sockets

m

Sort by memory latency

v

Sort by virtual memory usage

k

Sort by kernel memory usage