#!/bin/bash # # Get an estimate of how CPU-hoggy to be. # # Usage: cpus2use.sh # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, you can access it online at # http://www.gnu.org/licenses/gpl-2.0.html. # # Copyright (C) IBM Corporation, 2013 # # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> ncpus=`grep '^processor' /proc/cpuinfo | wc -l` idlecpus=`mpstat | tail -1 | \ awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'` awk -v ncpus=$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; }'
Name | Type | Size | Permission | Actions |
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config2frag.sh | File | 1.01 KB | 0755 |
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configNR_CPUS.sh | File | 1.3 KB | 0755 |
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config_override.sh | File | 1.42 KB | 0755 |
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configcheck.sh | File | 1.55 KB | 0755 |
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configinit.sh | File | 2.4 KB | 0755 |
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cpus2use.sh | File | 1.25 KB | 0755 |
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functions.sh | File | 6.43 KB | 0644 |
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jitter.sh | File | 2.44 KB | 0755 |
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kvm-build.sh | File | 1.9 KB | 0755 |
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kvm-recheck-lock.sh | File | 1.46 KB | 0755 |
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kvm-recheck-rcu.sh | File | 2.14 KB | 0755 |
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kvm-recheck-rcuperf-ftrace.sh | File | 3.25 KB | 0755 |
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kvm-recheck-rcuperf.sh | File | 2.56 KB | 0755 |
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kvm-recheck.sh | File | 2.19 KB | 0755 |
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kvm-test-1-run.sh | File | 8.53 KB | 0755 |
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kvm.sh | File | 12.78 KB | 0755 |
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parse-build.sh | File | 1.55 KB | 0755 |
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parse-console.sh | File | 2.52 KB | 0755 |
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parse-torture.sh | File | 2.57 KB | 0755 |
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