Software: Apache. PHP/8.1.30 uname -a: Linux server1.tuhinhossain.com 5.15.0-163-generic #173-Ubuntu SMP Tue Oct 14 17:51:00 UTC uid=1002(picotech) gid=1003(picotech) groups=1003(picotech),0(root) Safe-mode: OFF (not secure) /usr/src/linux-headers-5.15.0-163/tools/testing/selftests/rcutorture/bin/ drwxr-xr-x | |
| Viewing file: Select action/file-type: #!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Get an estimate of how CPU-hoggy to be.
#
# Usage: cpus2use.sh
#
# Copyright (C) IBM Corporation, 2013
#
# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
if test -n "$TORTURE_ALLOTED_CPUS"
then
echo $TORTURE_ALLOTED_CPUS
exit 0
fi
ncpus=`grep '^processor' /proc/cpuinfo | wc -l`
if mpstat -V > /dev/null 2>&1
then
idlecpus=`mpstat | tail -1 | \
awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'`
else
# No mpstat command, so use all available CPUs.
idlecpus=$ncpus
fi
awk -v ncpus=$ncpus -v idlecpus=$idlecpus < /dev/null '
BEGIN {
cpus2use = idlecpus;
if (cpus2use < 1)
cpus2use = 1;
if (cpus2use < ncpus / 10)
cpus2use = ncpus / 10;
if (cpus2use == int(cpus2use))
cpus2use = int(cpus2use)
else
cpus2use = int(cpus2use) + 1
print cpus2use;
}'
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