280 lines
6.7 KiB
Bash
280 lines
6.7 KiB
Bash
|
#!/bin/bash
|
||
|
|
#
|
||
|
|
# Shell functions for the rest of the scripts.
|
||
|
|
#
|
||
|
|
# 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>
|
||
|
|
|
||
|
|
# bootparam_hotplug_cpu bootparam-string
|
||
|
|
#
|
||
|
|
# Returns 1 if the specified boot-parameter string tells rcutorture to
|
||
|
|
# test CPU-hotplug operations.
|
||
|
|
bootparam_hotplug_cpu () {
|
||
|
|
echo "$1" | grep -q "rcutorture\.onoff_"
|
||
|
|
}
|
||
|
|
|
||
|
|
# checkarg --argname argtype $# arg mustmatch cannotmatch
|
||
|
|
#
|
||
|
|
# Checks the specified argument "arg" against the mustmatch and cannotmatch
|
||
|
|
# patterns.
|
||
|
|
checkarg () {
|
||
|
|
if test $3 -le 1
|
||
|
|
then
|
||
|
|
echo $1 needs argument $2 matching \"$5\"
|
||
|
|
usage
|
||
|
|
fi
|
||
|
|
if echo "$4" | grep -q -e "$5"
|
||
|
|
then
|
||
|
|
:
|
||
|
|
else
|
||
|
|
echo $1 $2 \"$4\" must match \"$5\"
|
||
|
|
usage
|
||
|
|
fi
|
||
|
|
if echo "$4" | grep -q -e "$6"
|
||
|
|
then
|
||
|
|
echo $1 $2 \"$4\" must not match \"$6\"
|
||
|
|
usage
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# configfrag_boot_params bootparam-string config-fragment-file
|
||
|
|
#
|
||
|
|
# Adds boot parameters from the .boot file, if any.
|
||
|
|
configfrag_boot_params () {
|
||
|
|
if test -r "$2.boot"
|
||
|
|
then
|
||
|
|
echo $1 `grep -v '^#' "$2.boot" | tr '\012' ' '`
|
||
|
|
else
|
||
|
|
echo $1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# configfrag_boot_cpus bootparam-string config-fragment-file config-cpus
|
||
|
|
#
|
||
|
|
# Decreases number of CPUs based on any nr_cpus= boot parameters specified.
|
||
|
|
configfrag_boot_cpus () {
|
||
|
|
local bootargs="`configfrag_boot_params "$1" "$2"`"
|
||
|
|
local nr_cpus
|
||
|
|
if echo "${bootargs}" | grep -q 'nr_cpus=[0-9]'
|
||
|
|
then
|
||
|
|
nr_cpus="`echo "${bootargs}" | sed -e 's/^.*nr_cpus=\([0-9]*\).*$/\1/'`"
|
||
|
|
if test "$3" -gt "$nr_cpus"
|
||
|
|
then
|
||
|
|
echo $nr_cpus
|
||
|
|
else
|
||
|
|
echo $3
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo $3
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# configfrag_boot_maxcpus bootparam-string config-fragment-file config-cpus
|
||
|
|
#
|
||
|
|
# Decreases number of CPUs based on any maxcpus= boot parameters specified.
|
||
|
|
# This allows tests where additional CPUs come online later during the
|
||
|
|
# test run. However, the torture parameters will be set based on the
|
||
|
|
# number of CPUs initially present, so the scripting should schedule
|
||
|
|
# test runs based on the maxcpus= boot parameter controlling the initial
|
||
|
|
# number of CPUs instead of on the ultimate number of CPUs.
|
||
|
|
configfrag_boot_maxcpus () {
|
||
|
|
local bootargs="`configfrag_boot_params "$1" "$2"`"
|
||
|
|
local maxcpus
|
||
|
|
if echo "${bootargs}" | grep -q 'maxcpus=[0-9]'
|
||
|
|
then
|
||
|
|
maxcpus="`echo "${bootargs}" | sed -e 's/^.*maxcpus=\([0-9]*\).*$/\1/'`"
|
||
|
|
if test "$3" -gt "$maxcpus"
|
||
|
|
then
|
||
|
|
echo $maxcpus
|
||
|
|
else
|
||
|
|
echo $3
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo $3
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# configfrag_hotplug_cpu config-fragment-file
|
||
|
|
#
|
||
|
|
# Returns 1 if the config fragment specifies hotplug CPU.
|
||
|
|
configfrag_hotplug_cpu () {
|
||
|
|
if test ! -r "$1"
|
||
|
|
then
|
||
|
|
echo Unreadable config fragment "$1" 1>&2
|
||
|
|
exit -1
|
||
|
|
fi
|
||
|
|
grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1"
|
||
|
|
}
|
||
|
|
|
||
|
|
# identify_boot_image qemu-cmd
|
||
|
|
#
|
||
|
|
# Returns the relative path to the kernel build image. This will be
|
||
|
|
# arch/<arch>/boot/bzImage or vmlinux if bzImage is not a target for the
|
||
|
|
# architecture, unless overridden with the TORTURE_BOOT_IMAGE environment
|
||
|
|
# variable.
|
||
|
|
identify_boot_image () {
|
||
|
|
if test -n "$TORTURE_BOOT_IMAGE"
|
||
|
|
then
|
||
|
|
echo $TORTURE_BOOT_IMAGE
|
||
|
|
else
|
||
|
|
case "$1" in
|
||
|
|
qemu-system-x86_64|qemu-system-i386)
|
||
|
|
echo arch/x86/boot/bzImage
|
||
|
|
;;
|
||
|
|
qemu-system-aarch64)
|
||
|
|
echo arch/arm64/boot/Image
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
echo vmlinux
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# identify_qemu builddir
|
||
|
|
#
|
||
|
|
# Returns our best guess as to which qemu command is appropriate for
|
||
|
|
# the kernel at hand. Override with the TORTURE_QEMU_CMD environment variable.
|
||
|
|
identify_qemu () {
|
||
|
|
local u="`file "$1"`"
|
||
|
|
if test -n "$TORTURE_QEMU_CMD"
|
||
|
|
then
|
||
|
|
echo $TORTURE_QEMU_CMD
|
||
|
|
elif echo $u | grep -q x86-64
|
||
|
|
then
|
||
|
|
echo qemu-system-x86_64
|
||
|
|
elif echo $u | grep -q "Intel 80386"
|
||
|
|
then
|
||
|
|
echo qemu-system-i386
|
||
|
|
elif echo $u | grep -q aarch64
|
||
|
|
then
|
||
|
|
echo qemu-system-aarch64
|
||
|
|
elif uname -a | grep -q ppc64
|
||
|
|
then
|
||
|
|
echo qemu-system-ppc64
|
||
|
|
else
|
||
|
|
echo Cannot figure out what qemu command to use! 1>&2
|
||
|
|
echo file $1 output: $u
|
||
|
|
# Usually this will be one of /usr/bin/qemu-system-*
|
||
|
|
# Use TORTURE_QEMU_CMD environment variable or appropriate
|
||
|
|
# argument to top-level script.
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# identify_qemu_append qemu-cmd
|
||
|
|
#
|
||
|
|
# Output arguments for the qemu "-append" string based on CPU type
|
||
|
|
# and the TORTURE_QEMU_INTERACTIVE environment variable.
|
||
|
|
identify_qemu_append () {
|
||
|
|
local console=ttyS0
|
||
|
|
case "$1" in
|
||
|
|
qemu-system-x86_64|qemu-system-i386)
|
||
|
|
echo noapic selinux=0 initcall_debug debug
|
||
|
|
;;
|
||
|
|
qemu-system-aarch64)
|
||
|
|
console=ttyAMA0
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
if test -n "$TORTURE_QEMU_INTERACTIVE"
|
||
|
|
then
|
||
|
|
echo root=/dev/sda
|
||
|
|
else
|
||
|
|
echo console=$console
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# identify_qemu_args qemu-cmd serial-file
|
||
|
|
#
|
||
|
|
# Output arguments for qemu arguments based on the TORTURE_QEMU_MAC
|
||
|
|
# and TORTURE_QEMU_INTERACTIVE environment variables.
|
||
|
|
identify_qemu_args () {
|
||
|
|
case "$1" in
|
||
|
|
qemu-system-x86_64|qemu-system-i386)
|
||
|
|
;;
|
||
|
|
qemu-system-aarch64)
|
||
|
|
echo -machine virt,gic-version=host -cpu host
|
||
|
|
;;
|
||
|
|
qemu-system-ppc64)
|
||
|
|
echo -enable-kvm -M pseries -nodefaults
|
||
|
|
echo -device spapr-vscsi
|
||
|
|
if test -n "$TORTURE_QEMU_INTERACTIVE" -a -n "$TORTURE_QEMU_MAC"
|
||
|
|
then
|
||
|
|
echo -device spapr-vlan,netdev=net0,mac=$TORTURE_QEMU_MAC
|
||
|
|
echo -netdev bridge,br=br0,id=net0
|
||
|
|
elif test -n "$TORTURE_QEMU_INTERACTIVE"
|
||
|
|
then
|
||
|
|
echo -net nic -net user
|
||
|
|
fi
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
if test -n "$TORTURE_QEMU_INTERACTIVE"
|
||
|
|
then
|
||
|
|
echo -monitor stdio -serial pty -S
|
||
|
|
else
|
||
|
|
echo -serial file:$2
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# identify_qemu_vcpus
|
||
|
|
#
|
||
|
|
# Returns the number of virtual CPUs available to the aggregate of the
|
||
|
|
# guest OSes.
|
||
|
|
identify_qemu_vcpus () {
|
||
|
|
lscpu | grep '^CPU(s):' | sed -e 's/CPU(s)://'
|
||
|
|
}
|
||
|
|
|
||
|
|
# print_bug
|
||
|
|
#
|
||
|
|
# Prints "BUG: " in red followed by remaining arguments
|
||
|
|
print_bug () {
|
||
|
|
printf '\033[031mBUG: \033[m'
|
||
|
|
echo $*
|
||
|
|
}
|
||
|
|
|
||
|
|
# print_warning
|
||
|
|
#
|
||
|
|
# Prints "WARNING: " in yellow followed by remaining arguments
|
||
|
|
print_warning () {
|
||
|
|
printf '\033[033mWARNING: \033[m'
|
||
|
|
echo $*
|
||
|
|
}
|
||
|
|
|
||
|
|
# specify_qemu_cpus qemu-cmd qemu-args #cpus
|
||
|
|
#
|
||
|
|
# Appends a string containing "-smp XXX" to qemu-args, unless the incoming
|
||
|
|
# qemu-args already contains "-smp".
|
||
|
|
specify_qemu_cpus () {
|
||
|
|
local nt;
|
||
|
|
|
||
|
|
if echo $2 | grep -q -e -smp
|
||
|
|
then
|
||
|
|
echo $2
|
||
|
|
else
|
||
|
|
case "$1" in
|
||
|
|
qemu-system-x86_64|qemu-system-i386|qemu-system-aarch64)
|
||
|
|
echo $2 -smp $3
|
||
|
|
;;
|
||
|
|
qemu-system-ppc64)
|
||
|
|
nt="`lscpu | grep '^NUMA node0' | sed -e 's/^[^,]*,\([0-9]*\),.*$/\1/'`"
|
||
|
|
echo $2 -smp cores=`expr \( $3 + $nt - 1 \) / $nt`,threads=$nt
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
fi
|
||
|
|
}
|