What does it do?
Checks Solaris, Linux, AIX and macOS for CPU Core/Thread Counts. The AIX portion had not been tested in quite awhile. I no longer have access to an AIX platform.
core_count.sh
| #!/bin/sh # #This script is used to count the number of cores for the following OS platforms: AIX, Linux, Solaris, Mac OS X # # Author: Andy Dishong # Modified: Linux type, 022020 # ## Set varibles host=`uname -n` os=`uname -s` ##Validate root or root access # Check to see if running root PROG=`basename $0` ; export PROG if [ “${LOGNAME}” = “root” ] then # Success : else # exit – Not root echo “${PROG}: You must be Root use “su” or “sudo” to use script!” exit 1 fi ##Location of logs CORE_INSTALL_DIR=/var/tmp/cores if [ ! -d $CORE_INSTALL_DIR ] ; then mkdir -p $CORE_INSTALL_DIR/logs fi CORE_LOGDIR=$CORE_INSTALL_DIR/logs export CORE_INSTALL_DIR CORE_LOGDIR ##Verify command(s) # #Linux linux () { echo “Number of cores & threads for: OS=$os HOST=$host” echo -e “Number of cores: \c”;cat /proc/cpuinfo | grep -i ‘processor’ | wc -l lscpu | grep -i thread } #Solaris #machdep.cpu.core_countSolaris solaris () { echo “Number of cores for: OS=$os HOST=$host” psrinfo -p #core count system wide psrinfo -v #verbose output } #Aix aix () { echo “Number of cores for: OS=$os HOST=$host” ## lsattr -El sys0 |grep ent_cap |awk {‘print $2’} #breaks out by LPAR? echo -e “LPAR Cores & Physical CPUs” lparstat -i | egrep “Type|Mode|CPU”|egrep Maximum echo “” echo -e “Number of Threads in LPAR” smtctl |egrep Threads #Mac OS X (because you can) osx () { core=`sysctl hw.ncpu | awk ‘{print $2}’` # or # sysctl hw.ncpu echo “Number of cores for: OS=$os HOST=$host are: $core” echo “OS=$os HOST=$host | core count=$core” >>$CORE_LOGDIR/core_count-`date “+%y%m%d%H%M%S”` 2>&1 } ##Identify platform type if [ $os = “Linux” ]; then linux elif [ $os = “sunos” ]; then solaris elif [ $os = “aix” ]; then aix elif [ $os = “Darwin” ]; then osx else echo “No compatible platform found for OS=$os HOST=$host” exit 1 fi |
