Intel AS/400 RISC Server - Manual (Page 225)

In following single partition Commercial Performance Workload runs the average VIOS CPU
stayed under 40%. So we seem to have VIOS resource available but in a lot of customer
environments communications and other resources are also running and these resources will also
be routed through VIOS.
IBM i 6.1 Performance Capabilities Reference - January/April/October 2008
©
Copyright IBM Corp. 2008 Chapter 14 DASD Performance 225
IBM i operating system CPU Usage While Running the Commercial Performance Workload
10
20
30
40
50
60
70
80
90
100
20000 25000 30000 35000 40000 45000 50000 55000 60000
Transactions/Minute
i5
/O
S %
C
P
U
3 Dedicated Processors IBM i operating system Partition 1 Processor VIOS
3 Shared Processors IBM i operating system Partition 1 Processor VIOS
3.5 Shared Processors Partition IBM i operating system .5 Processor VIOS
VIOS CPU Usage While Running the Commercial Performance Workload
10
20
30
40
50
20000 25000 30000 35000 40000 45000 50000 55000
Transactions/Minute
V
IO
S
%
CP
U
3 Dedicated Processors IBM i operating system Partition 1 Processor VIOS
3 Shared Processors IBM i operating system Partition 1 Processor VIOS
3.5 Shared Processors IBM i operating system Partition .5 Processor VIOS