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.
The Performance tool is located under System Status in the Navigation pane. To access the Performance tool, do the following:
Click the System Status control entity in the Navigation pane.
The control entity is used to expand menu items in the Navigation pane.
Click the Performance control entity.
Click the System control entity.
Double-click Summary, Projects, or Users.
Your choice depends on the usage you want to monitor.
Values are shown for the following attributes.
Attribute |
Description |
---|---|
Active Processes |
Number of processes active on the system |
Physical Memory Used |
Amount of system memory in use |
Physical Memory Free |
Amount of system memory available |
Swap Used |
Amount of system swap space 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 currently in use |
Load Average |
Number of processes in the system run queue which are averaged over the last 1, 5, and 15 minutes |
Values are shown for the following attributes.
Attribute |
Short Name |
Description |
---|---|---|
Input Blocks |
inblk |
Number of blocks that are read |
Blocks Written |
oublk |
Number of blocks that are written |
Chars Read/Written |
ioch |
Number of characters that are read and written |
Data Page Fault Sleep Time |
dftime |
Amount of time that has passed while processing data page faults |
Involuntary Context Switches |
ictx |
Number of involuntary context switches |
System Mode Time |
stime |
Amount of time that has passed in the kernel mode |
Major Page Faults |
majfl |
Number of major page faults |
Messages Received |
mrcv |
Number of messages that have been received |
Messages Sent |
msend |
Number of messages that have been sent |
Minor Page Faults |
minf |
Number of minor page faults |
Num Processes |
nprocs |
Number of processes that are 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 that has been used by the process, the user, or the project |
Memory Used |
pctmem |
Percentage of system memory that has been used by the process, the user, or the project |
Heap Size |
brksize |
Amount of memory that is allocated for the process data segment |
Resident Set Size |
rsssize |
Current amount of memory that is claimed by the process |
Process Image Size |
size |
Size of the process image in Kbytes |
Signals Received |
sigs |
Number of signals that have been received |
Stopped Time |
stoptime |
Amount of time that has passed in the stopped state |
Swap Operations |
swaps |
Number of swap operations in progress |
System Calls Made |
sysc |
Number of system calls that have been made over the last time interval |
System Page Fault Sleep Time |
kftime |
Amount of time that has passed while processing page faults |
System Trap Time |
ttime |
Amount of time that has passed while processing system traps |
Text Page Fault Sleep Time |
tftime |
Amount of time that has passed while processing text page faults |
User Lock Wait Sleep Time |
ltime |
Amount of time that has passed while waiting for user locks |
User Mode Time |
utime |
Amount of time that has passed 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 that has passed while waiting for CPU (latency) |