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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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