Advanced POWER Virtualization on IBM System p5 - Previous ...

This is shown in Example 5-22 and Example 5-23.
Example 5-22 iostat with SMT in capped shared-processor partition
# iostat -t 2 4
System configuration: lcpu=2 ent=0.50
tty: tin tout avg-cpu: % user % sys % idle % iowait physc %
entc
0.0 19.3 8.4 77.6 14.0 0.1 0.5
99.9
0.0 83.2 9.9 75.8 14.2 0.1 0.5
99.5
0.0 41.1 9.5 76.4 13.9 0.1 0.5
99.6
0.0 41.0 9.4 76.4 14.1 0.0 0.5
99.7
Example 5-23 sar with SMT in capped shared-processor partition
# sar -P ALL 2 2
AIX dbserver 3 5 00C5E9DE4C00 10/11/06
System configuration: lcpu=2 ent=0.20
20:13:48 cpu %usr %sys %wio %idle physc %entc
20:13:50 0 19 71 0 9 0.31 61.1
1 2 75 0 23 0.19 38.7
- 13 73 0 15 0.50 99.8
20:13:52 0 21 69 0 9 0.31 61.1
1 2 75 0 23 0.20 39.0
- 14 71 0 15 0.50 100.2
Average 0 20 70 0 9 0.31 61.1
1 2 75 0 23 0.19 38.9
- 13 72 0 15 0.50 100.0
Logical processor tools
The logical processor tools are the mpstat and the sar -P ALL commands. When
running in a partition with SMT enabled, these commands add the column
Physical Processor Fraction Consumed - (delta PURR/delta TB), shown as
326 <strong>Advanced</strong> <strong>POWER</strong> <strong>Virtualization</strong> on IBM System p5