/usr/bin/ncpus is in mdm 0.1.3-2.1build2.
This file is owned by root:root, with mode 0o755.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #!/bin/bash
# ncpus - Print the number of (virtual) processors
#
# Copyright 2009 Chuan-kai Lin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
CPUS=`grep '^processor' /proc/cpuinfo | wc -l`
function isnumber {
[ "$1" -eq "$1" ] 2> /dev/null
}
function limit {
if [ "$1" -gt 0 ]
then echo "$1"
else echo 1
fi
}
function offset {
if isnumber "$1"
then limit "$[CPUS$1]"
else echo "$CPUS"
fi
}
if [ -z "$1" ]
then echo "$CPUS"
elif [ "$1" != "${1##+}" ]
then offset "$1"
elif [ "$1" != "${1##-}" ]
then offset "$1"
elif isnumber "$1"
then limit "$1"
else echo "$CPUS"
fi
|