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psrinfo(1)


NAME

  psrinfo, pinfo - Displays processor administration information


SYNOPSIS

  /usr/sbin/psrinfo -n

  /usr/sbin/psrinfo [-v] [processor...]

  /usr/sbin/psrinfo -s	processor

  /usr/sbin/pinfo [-v] [processor...]


OPTIONS

  -n  Displays the number of processors in the system.

  -v  Enables verbose mode which provides more information on the processor,
      such as its type and speed.

  -s  Writes only a boolean value to standard output.  The -s option requires
      a single processor identification number (processor).  The -s option is
      intended to be used in scripts.  A value of 1 is output if the
      specified processor is on line.  A value of 0 is output if the
      specified processor is off line.


DESCRIPTION

  The psrinfo and pinfo commands display information about processors.	The
  processor variable specifies the processor identification number, which is
  a unique integer that identifies the processor.  If you do not specify any
  options or a processor identification number, the commands display
  information about all processors.


RESTRICTIONS

  The -v correctly reports processor speeds on system that contains mixed-
  speed CPUs, but the processor type might not be reported correctly.


EXAMPLES

   1.  The following is an example of the default prsinfo command output (no
       options or processor identification numbers):

	    greene:> psrinfo
	    0	    on-line   since 11/03/1999 09:41:34
	    1	    on-line   since 11/03/1999 09:41:34
	    2	    off-line  since 11/03/1999 08:41:34

   2.  The following example shows how to use the psrinfo command with the -s
       option in a shell script to determine the state of the processor with
       an identification number of 1:

	    if [ "`psrinfo -s 1 2> /dev/null`" -eq 1 ]
	    then
		    echo "processor 1 is up"
	    else
		    echo "processor 1 is down"
	    fi

   3.  The following example shows how to use the psrinfo command with the -v
       option:

	    % psrinfo -v
	    Status of processor 0 as of: 05/23/00 15:47:40
	      Processor has been on-line since 05/23/2000 15:08:04
	      The alpha EV5.6 (21164A) processor operates at 465 MHz,
		    and has an alpha internal floating point processor.
	    Status of processor 1 as of: 05/23/00 15:47:40
	      Processor has been on-line since 05/23/2000 15:08:04
	      The alpha EV5.6 (21164A) processor operates at 465 MHz,
		    and has an alpha internal floating point processor.
	    Status of processor 2 as of: 05/23/00 15:47:40
	      Processor has been off-line since 05/23/2000 15:08:04
	      The alpha EV5.6 (21164A) processor operates at 465 MHz,
		    and has an alpha internal floating point processor.
	    Status of processor 3 as of: 05/23/00 15:47:40
	      Processor has been on-line since 05/23/2000 15:14:00
	      The alpha EV5.6 (21164A) processor operates at 465 MHz,
		    and has an alpha internal floating point processor.


FILES

  /var/adm/wtmp


SEE ALSO

  Commands:  pset_assign_cpu(1), pset_assign_pid(1), pset_info(1), psradm(8)

  Files:  utmp(4)

  Processor Sets:  processor_sets(4)

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