Technology Tales

Adventures & experiences in contemporary technology

Interrogating Solaris hardware for installed CPU and memory resources

2nd October 2008

There are times when working with a Solaris server that you need to know a little more about the hardware configuration. Knowing how much memory that you have and how many processors there are can be very useful to know if you are not to hog such resources.

The command for revealing how much memory has been installed is:

prtconf -v

Since memory is often allocated to individual CPU’s, then knowing how many are on the system is a must. This command will give you the bare number:

psrinfo -p

The following variant provides the full detail that you see below it:

psrinfo -v

Output:

Status of virtual processor 0 as of: 10/06/2008 16:47:54
  on-line since 09/13/2008 14:47:52.
  The sparcv9 processor operates at 1503 MHz,
        and has a sparcv9 floating point processor.
Status of virtual processor 1 as of: 10/06/2008 16:47:54
  on-line since 09/13/2008 14:47:49.
  The sparcv9 processor operates at 1503 MHz,
        and has a sparcv9 floating point processor. 

For a level intermediate between both extremes, try this to get what you see below it:

psrinfo -vp

Output:

The physical processor has 1 virtual processor (0)
  UltraSPARC-IIIi (portid 0 impl 0x16 ver 0x34 clock 1503 MHz)
The physical processor has 1 virtual processor (1)
  UltraSPARC-IIIi (portid 1 impl 0x16 ver 0x34 clock 1503 MHz)

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