The psrinfo command has been modified to provide information about physical processors in addition to information about virtual processors. This enhanced functionality has been added to identify chip multithreading (CMT) features. The –p option reports the total number of physical processors that are in a system. The –t option displays a tree of the system's processors and their associated socket, core, and cpu ids.
Using the psrinfo –pv command lists all the physical processors that are in the system as well as the virtual processors that are associated with each physical processor. The default output of the psrinfo command continues to display the virtual processor information for a system.
For more information, see the psrinfo(1M) man page.
Use the psrinfo -p command to display the total number of physical processors on a system.
$ psrinfo -p 1
Add the –v option to also display information about the virtual processor that is associated with each physical processor. For example:
$ psrinfo -pv
The physical processor has 8 cores and 32 virtual processors (0-31)
The core has 4 virtual processors (0-3)
The core has 4 virtual processors (4-7)
The core has 4 virtual processors (8-11)
The core has 4 virtual processors (12-15)
The core has 4 virtual processors (16-19)
The core has 4 virtual processors (20-23)
The core has 4 virtual processors (24-27)
The core has 4 virtual processors (28-31)
UltraSPARC-T1 (chipid 0, clock 1000 MHz)
The following example shows sample output for the psrinfo –pv command on an x86 based system.
$ psrinfo -pv
The physical processor has 2 virtual processors (0 1)
x86 (AuthenticAMD 40F13 family 15 model 65 step 3 clock 2793 MHz)
Dual-Core AMD Opteron(tm) Processor 2220 [ Socket: F(1207) ]
The physical processor has 2 virtual processors (2 3)
x86 (AuthenticAMD 40F13 family 15 model 65 step 3 clock 2793 MHz)
Dual-Core AMD Opteron(tm) Processor 2220 [ Socket: F(1207) ]
Use the psrinfo -v command to display information about a system's virtual processor type.
$ psrinfo -v
On an x86 based system, use the isalist command to display the virtual processor type. For example:
$ isalist amd64 pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86Example 1-6 SPARC: Displaying a System's Virtual Processor Type
This example shows how to display information about a SPARC based system's virtual processor type.
$ psrinfo -v
Status of virtual processor 28 as of: 09/13/2010 14:07:47
on-line since 04/08/2010 21:27:56.
The sparcv9 processor operates at 1400 MHz,
and has a sparcv9 floating point processor.
Status of virtual processor 29 as of: 09/13/2010 14:07:47
on-line since 04/08/2010 21:27:56.
The sparcv9 processor operates at 1400 MHz,
and has a sparcv9 floating point processor.
Example 1-7 SPARC: Displaying the Virtual Processor That Is Associated With Each Physical
Processor on a System
The following example shows the output of the psrinfo command, when run with the –pv options on an Oracle SPARC T4-4 server. The output displays both the chip (physical processor) and the core information about the thread location. This information can be helpful in determining which physical CPU a thread is on, and how it is mapped at the core level.
$ psrinfo -pv
The physical processor has 8 cores and 64 virtual processors (0-63)
The core has 8 virtual processors (0-7)
The core has 8 virtual processors (8-15)
The core has 8 virtual processors (16-23)
The core has 8 virtual processors (24-31)
The core has 8 virtual processors (32-39)
The core has 8 virtual processors (40-47)
The core has 8 virtual processors (48-55)
The core has 8 virtual processors (56-63)
SPARC-T4 (chipid 0, clock 2998 MHz)
The physical processor has 8 cores and 64 virtual processors (64-127)
The core has 8 virtual processors (64-71)
The core has 8 virtual processors (72-79)
The core has 8 virtual processors (80-87)
The core has 8 virtual processors (88-95)
The core has 8 virtual processors (96-103)
The core has 8 virtual processors (104-111)
The core has 8 virtual processors (112-119)
The core has 8 virtual processors (120-127)
SPARC-T4 (chipid 1, clock 2998 MHz)