System Administration Guide: Virtualization Using the Solaris Operating System
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Performance Tool

The Performance tool is used to monitor resource utilization. Resource utilization can be summarized for the system, viewed by project, or viewed for an individual user.

Figure 15-1 Performance Tool in the Solaris Management Console
Screen capture shows Performance under Management Tools in Navigation pane and summary of system performance Attribute and Value pane.

How to Access the Performance Tool

The Performance tool is located under System Status in the Navigation pane. To access the Performance tool, do the following:

  1. Click the System Status control entity in the Navigation pane.

    The control entity is used to expand menu items in the Navigation pane.

  2. Click the Performance control entity.
  3. Click the System control entity.
  4. Double-click Summary, Projects, or Users.

    Your choice depends on the usage you want to monitor.

Monitoring by System

Values are shown for the following attributes.

Attribute

Description

Active Processes

Number of processes that are active on the system

Physical Memory Used

Amount of system memory that is in use

Physical Memory Free

Amount of system memory that is available

Swap Used

Amount of system swap space that is in use

Swap Free

Amount of free system swap space

Page Rate

Rate of system paging activity

System Calls

Number of system calls per second

Network Packets

Number of network packets that are transmitted per second

CPU Usage

Percentage of CPU that is currently in use

Load Average

Number of processes in the system run queue which are averaged over the last 1, 5, and 15 minutes

Monitoring by Project or User Name

Values are shown for the following attributes.

Attribute

Short Name

Description

Input Blocks

inblk

Number of blocks read

Blocks Written

oublk

Number of blocks written

Chars Read/Written

ioch

Number of characters read and written

Data Page Fault Sleep Time

dftime

Amount of time spent processing data page faults

Involuntary Context Switches

ictx

Number of involuntary context switches

System Mode Time

stime

Amount of time spent in the kernel mode

Major Page Faults

majfl

Number of major page faults

Messages Received

mrcv

Number of messages received

Messages Sent

msend

Number of messages sent

Minor Page Faults

minf

Number of minor page faults

Num Processes

nprocs

Number of processes owned by the user or the project

Num LWPs

count

Number of lightweight processes

Other Sleep Time

slptime

Sleep time other than tftime, dftime, kftime, and ltime

CPU Time

pctcpu

Percentage of recent CPU time used by the process, the user, or the project

Memory Used

pctmem

Percentage of system memory used by the process, the user, or the project

Heap Size

brksize

Amount of memory allocated for the process data segment

Resident Set Size

rsssize

Current amount of memory claimed by the process

Process Image Size

size

Size of the process image in Kbytes

Signals Received

sigs

Number of signals received

Stopped Time

stoptime

Amount of time spent in the stopped state

Swap Operations

swaps

Number of swap operations in progress

System Calls Made

sysc

Number of system calls made over the last time interval

System Page Fault Sleep Time

kftime

Amount of time spent processing page faults

System Trap Time

ttime

Amount of time spent processing system traps

Text Page Fault Sleep Time

tftime

Amount of time spent processing text page faults

User Lock Wait Sleep Time

ltime

Amount of time spent waiting for user locks

User Mode Time

utime

Amount of time spent in the user mode

User and System Mode Time

time

The cumulative CPU execution time

Voluntary Context Switches

vctx

Number of voluntary context switches

Wait CPU Time

wtime

Amount of time spent waiting for CPU (latency)

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