Owner's Manual

Performance and Power Monitoring 139
Suggested Threshold Configuration for Performance and Power Monitoring
Table 7-2 shows the sample threshold settings for each performance and
power counter.
Table 7-2. Sample Threshold Settings for Performance and Power Counter
Resource Performance Counter
Attribute
Suggested
Threshold
Comments
CPU %Processor Utilization
Time
Less than 85% Total processor usage should
remain under 85%,
infrequent spikes exceeding
85% for brief periods is
acceptable.
System Context Switch/second Depends on the
system activity
Continued spikes for a
prolonged time may indicate
an increase in system load.
System Processor Queue
Length
2 Depends on the number of
processors in the system.
This is an instantaneous
number. Needs observation
over several cycles.
Memory Available Memory Less than 10 -20%
of installed RAM
Less than 4MB for
systems with large
memory
If available memory is under
10% – 20% of the installed
RAM for an extended
period, it may indicate need
for more memory.
Memory Pages/Second Less than 20 Should remain under 20
with the exception of
brief spikes.
Memory %Page File Usage 95% Review this value in
conjunction with Available
Memory and Pages/Second.