Dual Core Processors

Is there a utility or command I can run in Solaris 9 to find out if the cpus on a machine are single or dual core?

[121 byte] By [CheungM] at [2007-11-26 10:58:29]

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# 1

I don't think so.Later releases of Solaris 10 have more information about cores.-- Darren

Darren_Dunham at 2007-7-7 3:11:59 >

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# 2

Experiment with the psrinfo command, for processor information.

Review whatever may be in its man pages for your release of Solaris.

You may get the desired information for SPARC architecture,

however I'm not certain if it produces usable info for x86 systems.

(I don't have access to both types of configurations to test it and find out.)

rukbat at 2007-7-7 3:11:59 >

# 3

psrinfo gives some, but not all information. The main issue is that is does not distinguish between hyperthreading execution units of a single core and multiple cores in a single chip.

See this thread where much of the same information was discussed.

http://forum.sun.com/jive/thread.jspa?threadID=102460

Darren

Darren_Dunham at 2007-7-7 3:11:59 >

# 4

prtdiag -v on a very recent Solaris 10 seems to work too;==== Processor Sockets ====================================Version Location Tag-- --Dual Core AMD Opteron(tm) Processor 180 Socket 939Dual Core AMD Opteron(tm) Processor 180 Socket 939 .7/M.

mAbrante at 2007-7-7 3:11:59 >

# 5

Cool. Is that S10/U2 or one of the express builds?-- Darren

Darren_Dunham at 2007-7-7 3:11:59 >

# 6

Thats S10/U2 .. .7/M.

mAbrante at 2007-7-7 3:11:59 >

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