7d9bbecd7a
This patch eliminates the need for rmmod/insmod the mcctrl module every time an OS instance is rebooted.
204 lines
8.4 KiB
Bash
204 lines
8.4 KiB
Bash
#!/bin/bash
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# IHK SMP-x86 example boot script.
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# author: Balazs Gerofi <bgerofi@riken.jp>
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# Copyright (C) 2014 RIKEN AICS
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#
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# This is an example script for loading IHK, configuring a partition and
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# booting McKernel on it.
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# The script reserves half of the CPU cores and 512MB of RAM from NUMA node 0
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# when IHK is loaded for the first time, otherwise it destroys the current
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# McKernel instance and reboots it using the same set of resources as it used
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# previously.
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# Note that the script does not output anything unless an error occurs.
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prefix="@prefix@"
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BINDIR="${prefix}/bin"
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SBINDIR="${prefix}/sbin"
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KMODDIR="${prefix}/kmod"
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KERNDIR="${prefix}/@TARGET@/kernel"
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ENABLE_MCOVERLAYFS="@ENABLE_MCOVERLAYFS@"
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mem="512M@0"
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cpus=""
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INTERVAL=1
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LOGMODE=0
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while getopts :i:k:c:m: OPT
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do
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case ${OPT} in
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i) INTERVAL=${OPTARG}
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expr "${INTERVAL}" + 1 > /dev/null 2>&1
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if [ $? -ge 2 ]
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then
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echo "invalid -i value"
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exit 1
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fi
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if [ ${INTERVAL} -le 0 ]
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then
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echo "invalid -i value"
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exit 1
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fi
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;;
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k) LOGMODE=${OPTARG}
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expr "${LOGMODE}" + 1 > /dev/null 2>&1
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if [ $? -ge 2 ]
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then
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echo "invalid -k value"
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exit 1
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fi
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if [ ${LOGMODE} -lt 0 -o ${LOGMODE} -gt 2 ]
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then
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echo "invalid -k value"
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exit 1
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fi
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;;
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c) cpus=${OPTARG}
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;;
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m) mem=${OPTARG}
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;;
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*) echo "invalid option -${OPT}"
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exit 1
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esac
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done
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ihk_ikc_irq_core=0
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release=`uname -r`
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major=`echo ${release} | sed -e 's/^\([0-9]*\).*/\1/'`
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minor=`echo ${release} | sed -e 's/^[0-9]*.\([0-9]*\).*/\1/'`
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patch=`echo ${release} | sed -e 's/^[0-9]*.[0-9]*.\([0-9]*\).*/\1/'`
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linux_version_code=`expr \( ${major} \* 65536 \) + \( ${minor} \* 256 \) + ${patch}`
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rhel_release=`echo ${release} | sed -e 's/^[0-9]*.[0-9]*.[0-9]*-\([0-9]*\).*/\1/'`
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if [ "${release}" == "${rhel_release}" ]; then rhel_release=""; fi
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if [ "${ENABLE_MCOVERLAYFS}" == "yes" ]; then
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enable_mcoverlay=`if ( [ ${linux_version_code} -ge 262144 ] && [ ${linux_version_code} -lt 262400 ] ); then echo "yes"; else echo "no"; fi`
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else
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enable_mcoverlay=no
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fi
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if [ "$cpus" == "" ]; then
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# Get the number of CPUs on NUMA node 0
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nr_cpus=`lscpu --parse | awk -F"," '{if ($4 == 0) print $4}' | wc -l`
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# Use the second half of the cores
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let nr_cpus="$nr_cpus / 2"
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cpus=`lscpu --parse | awk -F"," '{if ($4 == 0) print $1}' | tail -n $nr_cpus | xargs echo -n | sed 's/ /,/g'`
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if [ "$cpus" == "" ]; then echo "error: no available CPUs on NUMA node 0?"; exit; fi
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fi
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# Remove mcoverlay if loaded
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if [ "$enable_mcoverlay" == "yes" ]; then
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if [ "`lsmod | grep mcoverlay`" != "" ]; then
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if [ "`cat /proc/mounts | grep /tmp/mcos/mcos0_sys`" != "" ]; then umount -l /tmp/mcos/mcos0_sys; fi
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if [ "`cat /proc/mounts | grep /tmp/mcos/mcos0_proc`" != "" ]; then umount -l /tmp/mcos/mcos0_proc; fi
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if [ "`cat /proc/mounts | grep /tmp/mcos/linux_proc`" != "" ]; then umount -l /tmp/mcos/linux_proc; fi
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if [ "`cat /proc/mounts | grep /tmp/mcos`" != "" ]; then umount -l /tmp/mcos; fi
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if [ -e /tmp/mcos ]; then rm -rf /tmp/mcos; fi
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if ! rmmod mcoverlay; then echo "error: removing mcoverlay"; exit; fi
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fi
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fi
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# Load IHK if not loaded
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if [ "`lsmod | grep ihk`" == "" ]; then
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if ! insmod ${KMODDIR}/ihk.ko; then echo "error: loading ihk"; exit; fi;
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fi
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# Load IHK-SMP if not loaded and reserve CPUs and memory
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if [ "`lsmod | grep ihk_smp_x86`" == "" ]; then
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ihk_irq=""
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for i in `seq 64 255`; do
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if [ ! -d /proc/irq/$i ] && [ "`cat /proc/interrupts | grep ":" | awk '{print $1}' | grep -o '[0-9]*' | grep -e '^$i$'`" == "" ]; then
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ihk_irq=$i
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break
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fi
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done
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if [ "$ihk_irq" == "" ]; then echo "error: no IRQ available"; exit; fi
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if ! insmod ${KMODDIR}/ihk-smp-x86.ko ihk_start_irq=$ihk_irq ihk_ikc_irq_core=$ihk_ikc_irq_core; then echo "error: loading ihk-smp-x86"; exit; fi;
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if ! ${SBINDIR}/ihkconfig 0 reserve cpu ${cpus}; then echo "error: reserving CPUs"; exit; fi
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if ! ${SBINDIR}/ihkconfig 0 reserve mem ${mem}; then echo "error: reserving memory"; exit; fi
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# If loaded, but no resources allocated, get CPUs and memory
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else
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if ! ${SBINDIR}/ihkconfig 0 query cpu > /dev/null; then echo "error: querying cpus"; exit; fi
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cpus_allocated=`${SBINDIR}/ihkosctl 0 query cpu`
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if [ "$cpus_allocated" == "" ]; then
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if ! ${SBINDIR}/ihkconfig 0 reserve cpu ${cpus}; then echo "error: reserving CPUs"; exit; fi
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fi
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if ! ${SBINDIR}/ihkosctl 0 query mem > /dev/null; then echo "error: querying memory"; exit; fi
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mem_allocated=`${SBINDIR}/ihkosctl 0 query mem`
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if [ "$mem_allocated" == "" ]; then
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if ! ${SBINDIR}/ihkconfig 0 reserve mem ${mem}; then echo "error: reserving memory"; exit; fi
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fi
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fi
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# Load mcctrl if not loaded
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if [ "`lsmod | grep mcctrl`" == "" ]; then
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if ! insmod ${KMODDIR}/mcctrl.ko; then echo "error: inserting mcctrl.ko"; exit; fi
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fi
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# Check for existing OS instance and destroy
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if [ -c /dev/mcos0 ]; then
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# Query CPU cores and memory of OS instance so that the same values are used as previously
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if ! ${SBINDIR}/ihkosctl 0 query cpu > /dev/null; then echo "error: querying cpus"; exit; fi
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cpus=`${SBINDIR}/ihkosctl 0 query cpu`
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if ! ${SBINDIR}/ihkosctl 0 query mem > /dev/null; then echo "error: querying memory"; exit; fi
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mem=`${SBINDIR}/ihkosctl 0 query mem`
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if ! ${SBINDIR}/ihkconfig 0 destroy 0; then echo "warning: destroy failed"; fi
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else
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# Otherwise query IHK-SMP for resources
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if ! ${SBINDIR}/ihkconfig 0 query cpu > /dev/null; then echo "error: querying cpus"; exit; fi
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cpus=`${SBINDIR}/ihkconfig 0 query cpu`
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if ! ${SBINDIR}/ihkconfig 0 query mem > /dev/null; then echo "error: querying memory"; exit; fi
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mem=`${SBINDIR}/ihkconfig 0 query mem`
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fi
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if ! ${SBINDIR}/ihkconfig 0 create; then echo "error: create"; exit; fi
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if ! ${SBINDIR}/ihkosctl 0 assign cpu ${cpus}; then echo "error: assign CPUs"; exit; fi
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if ! ${SBINDIR}/ihkosctl 0 assign mem ${mem}; then echo "error: assign memory"; exit; fi
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if ! ${SBINDIR}/ihkosctl 0 load ${KERNDIR}/mckernel.img; then echo "error: loading kernel image"; exit; fi
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if ! ${SBINDIR}/ihkosctl 0 kargs "hidos ksyslogd=${LOGMODE}"; then echo "error: setting kernel arguments"; exit; fi
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if ! ${SBINDIR}/ihkosctl 0 boot; then echo "error: booting"; exit; fi
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if ! chown `logname` /dev/mcd* /dev/mcos*; then echo "error: chowning device files"; exit; fi
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if [ "$enable_mcoverlay" == "yes" ]; then
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if [ ! -e /tmp/mcos ]; then mkdir -p /tmp/mcos; fi
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if ! mount -t tmpfs tmpfs /tmp/mcos; then echo "error: mount /tmp/mcos"; exit; fi
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if [ ! -e /tmp/mcos/linux_proc ]; then mkdir -p /tmp/mcos/linux_proc; fi
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if ! mount --bind /proc /tmp/mcos/linux_proc; then echo "error: mount /tmp/mcos/linux_proc"; exit; fi
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if ! insmod ${KMODDIR}/mcoverlay.ko; then echo "error: inserting mcoverlay.ko"; exit; fi
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while [ ! -e /proc/mcos0 ]
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do
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sleep 1
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done
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if [ ! -e /tmp/mcos/mcos0_proc ]; then mkdir -p /tmp/mcos/mcos0_proc; fi
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if [ ! -e /tmp/mcos/mcos0_proc_upper ]; then mkdir -p /tmp/mcos/mcos0_proc_upper; fi
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if [ ! -e /tmp/mcos/mcos0_proc_work ]; then mkdir -p /tmp/mcos/mcos0_proc_work; fi
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if ! mount -t mcoverlay mcoverlay -o lowerdir=/proc/mcos0:/proc,upperdir=/tmp/mcos/mcos0_proc_upper,workdir=/tmp/mcos/mcos0_proc_work,nocopyupw,nofscheck /tmp/mcos/mcos0_proc; then echo "error: mount /tmp/mcos/mcos0_proc"; exit; fi
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mount --make-rprivate /proc
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while [ ! -e /sys/devices/virtual/mcos/mcos0/sys ]
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do
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sleep 1
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done
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if [ ! -e /tmp/mcos/mcos0_sys ]; then mkdir -p /tmp/mcos/mcos0_sys; fi
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if [ ! -e /tmp/mcos/mcos0_sys_upper ]; then mkdir -p /tmp/mcos/mcos0_sys_upper; fi
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if [ ! -e /tmp/mcos/mcos0_sys_work ]; then mkdir -p /tmp/mcos/mcos0_sys_work; fi
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if ! mount -t mcoverlay mcoverlay -o lowerdir=/sys/devices/virtual/mcos/mcos0/sys:/sys,upperdir=/tmp/mcos/mcos0_sys_upper,workdir=/tmp/mcos/mcos0_sys_work,nocopyupw,nofscheck /tmp/mcos/mcos0_sys; then echo "error: mount /tmp/mcos/mcos0_sys"; exit; fi
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mount --make-rprivate /sys
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for cpuid in `find /sys/devices/system/cpu/* -maxdepth 0 -name "cpu[0123456789]*" -printf "%f "`; do
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if [ ! -e "/sys/devices/virtual/mcos/mcos0/sys/devices/system/cpu/$cpuid" ]; then
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rm -rf /tmp/mcos/mcos0_sys/devices/system/cpu/$cpuid
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fi
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done
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for cpuid in `find /sys/bus/cpu/devices/* -maxdepth 0 -name "cpu[0123456789]*" -printf "%f "`; do
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if [ ! -e "/sys/devices/virtual/mcos/mcos0/sys/bus/cpu/devices/$cpuid" ]; then
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rm -rf /tmp/mcos/mcos0_sys/bus/cpu/devices/$cpuid
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fi
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done
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fi
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if [ ${LOGMODE} -ne 0 ]
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then
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SBINDIR=${SBINDIR} ${SBINDIR}/mcklogd -i ${INTERVAL}
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fi
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