Logical Domains 1.3 Administration Guide

Examples of CPU and Memory Mapping

Suppose you have a logical domain configuration as shown in Example 11–1, and you want to determine the domain and the virtual CPU corresponding to physical CPU number 5, and the domain and the real address corresponding to physical address 0x7e816000.

Looking through the VCPU entries in the list for the one with the pid field equal to 5, you can find the following entry under logical domain ldg1.

|vid=1|pid=5|util=29|strand=100

Hence, the physical CPU number 5 is in domain ldg1 and within the domain it has virtual CPU number 1.

Looking through the MEMORY entries in the list, you can find the following entry under domain ldg2.

ra=0x8000000|pa=0x78000000|size=1073741824

Where 0x78000000 <= 0x7e816000 <= (0x78000000 + 1073741824 - 1); that is, pa <= PA <= (pa + size - 1). Hence, the PA is in domain ldg2 and the corresponding real address is 0x8000000 + (0x7e816000 - 0x78000000) = 0xe816000.

Example 11–1 Long Parseable List of Logical Domains Configurations

primary# ldm list -l -p
VERSION 1.0
DOMAIN|name=primary|state=active|flags=normal,control,vio-service|cons=SP|ncpu=4|mem=1073741824|util=0.6|
uptime=64801|softstate=Solaris running
VCPU
|vid=0|pid=0|util=0.9|strand=100
|vid=1|pid=1|util=0.5|strand=100
|vid=2|pid=2|util=0.6|strand=100
|vid=3|pid=3|util=0.6|strand=100
MEMORY
|ra=0x8000000|pa=0x8000000|size=1073741824
IO
|dev=pci@780|alias=bus_a
|dev=pci@7c0|alias=bus_b
...
DOMAIN|name=ldg1|state=active|flags=normal|cons=5000|ncpu=2|mem=805306368|util=29|uptime=903|
softstate=Solaris running
VCPU
|vid=0|pid=4|util=29|strand=100
|vid=1|pid=5|util=29|strand=100
MEMORY
|ra=0x8000000|pa=0x48000000|size=805306368
...
DOMAIN|name=ldg2|state=active|flags=normal|cons=5001|ncpu=3|mem=1073741824|util=35|uptime=775|
softstate=Solaris running
VCPU
|vid=0|pid=6|util=35|strand=100
|vid=1|pid=7|util=34|strand=100
|vid=2|pid=8|util=35|strand=100
MEMORY
|ra=0x8000000|pa=0x78000000|size=1073741824
...