name : configNR_CPUS.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0+ # # Extract the number of CPUs expected from the specified Kconfig-file # fragment by checking CONFIG_SMP and CONFIG_NR_CPUS. If the specified # file gives no clue, base the number on the number of idle CPUs on # the system. # # Usage: configNR_CPUS.sh config-frag # # Copyright (C) IBM Corporation, 2013 # # Authors: Paul E. McKenney <paulmck@linux.ibm.com> cf=$1 if test ! -r $cf then echo Unreadable config fragment $cf 1>&2 exit -1 fi if grep -q '^CONFIG_SMP=n$' $cf then echo 1 exit 0 fi if grep -q '^CONFIG_NR_CPUS=' $cf then grep '^CONFIG_NR_CPUS=' $cf | sed -e 's/^CONFIG_NR_CPUS=\([0-9]*\).*$/\1/' exit 0 fi cpus2use.sh