#!/bin/sh # # SPDX-License-Identifier: BSD-2-Clause # # Copyright (c) 2018 Dell EMC Isilon # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # Test scenario: Last memory domain significantly smaller than the others. # https://people.freebsd.org/~pho/stress/log/numa.txt # Test scenario description by markj@ [ `sysctl -n vm.ndomains` -eq 1 ] && exit 0 doms=`sysctl -n vm.ndomains` phys=`sysctl -n hw.physmem` # clamped size real=`sysctl -n hw.realmem` # HW size goal=$((real - (real / doms) + 2 * 1024 * 1024 * 1024)) mb=$((goal / 1024 / 1024)) [ $phys -gt $goal ] && { echo "hw.physmem must be set to ${mb}M for this test."; exit 0; } ../misc/sort.sh exit