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realtime-virtual-host: script.sh: standardize variable names

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script.sh has been using variable names in different ways,
in different scopes: when using variables at all. Fix all that.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2018-02-22 13:12:21 -05:00 committed by Jaroslav Škarvada
parent c989a8bd7c
commit 685e16640d
1 changed files with 15 additions and 14 deletions
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29
profiles/realtime-virtual-host/script.sh
View file

@ -2,8 +2,9 @@
. /usr/lib/tuned/functions
ltanfile=/sys/module/kvm/parameters/lapic_timer_advance_ns
CACHE_VALUE_FILE=./lapic_timer_adv_ns
CACHE_CPU_FILE=./lapic_timer_adv_ns.cpumodel
KVM_LAPIC_FILE=/sys/module/kvm/parameters/lapic_timer_advance_ns
QEMU=$(type -P qemu-kvm || echo /usr/libexec/qemu-kvm)
TSCDEADLINE_LATENCY="/usr/share/qemu-kvm/tscdeadline_latency.flat"
if [ ! -f "$TSCDEADLINE_LATENCY" ]; then
@ -12,15 +13,15 @@ fi
run_tsc_deadline_latency()
{
if [ ! -f /sys/module/kvm/parameters/lapic_timer_advance_ns ]; then
echo "/sys/module/kvm/parameters/lapic_timer_advance_ns not found"
if [ ! -f $KVM_LAPIC_FILE ]; then
echo "$KVM_LAPIC_FILE not found"
return 1
fi
dir=`mktemp -d`
for i in `seq 1000 500 7000`; do
echo $i > /sys/module/kvm/parameters/lapic_timer_advance_ns
echo $i > $KVM_LAPIC_FILE
chrt -f 1 taskset -c $1 $QEMU -enable-kvm -device pc-testdev \
-device isa-debug-exit,iobase=0xf4,iosize=0x4 \
-display none -serial stdio -device pci-testdev \
@ -48,32 +49,32 @@ start() {
setup_kvm_mod_low_latency
if [ -f lapic_timer_adv_ns.cpumodel ]; then
if [ -f $CACHE_CPU_FILE ]; then
curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f 2 -d ":" | uniq`
genmodel=`cat lapic_timer_adv_ns.cpumodel`
genmodel=`cat $CACHE_CPU_FILE`
if [ "$curmodel" != "$genmodel" ]; then
rm -f lapic_timer_adv_ns
rm -f lapic_timer_adv_ns.cpumodel
rm -f $CACHE_VALUE_FILE
rm -f $CACHE_CPU_FILE
fi
fi
if [ -f $ltanfile -a ! -f ./lapic_timer_adv_ns ]; then
if [ -f $KVM_LAPIC_FILE -a ! -f $CACHE_VALUE_FILE ]; then
if [ -f "$TSCDEADLINE_LATENCY" ]; then
tempdir=`mktemp -d`
isolatedcpu=`echo "$TUNED_isolated_cores_expanded" | cut -f 1 -d ","`
run_tsc_deadline_latency $isolatedcpu > $tempdir/lat.out
sh ./find-lapictscdeadline-optimal.sh $tempdir/lat.out > $tempdir/opt.out
if [ $? -eq 0 ]; then
echo `cat $tempdir/opt.out | cut -f 2 -d ":"` > ./lapic_timer_adv_ns
echo `cat $tempdir/opt.out | cut -f 2 -d ":"` > $CACHE_VALUE_FILE
curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f 2 -d ":" | uniq`
echo "$curmodel" > lapic_timer_adv_ns.cpumodel
echo "$curmodel" > $CACHE_CPU_FILE
fi
fi
fi
if [ -f $ltanfile -a -f ./lapic_timer_adv_ns ]; then
echo `cat ./lapic_timer_adv_ns` > $ltanfile
if [ -f $KVM_LAPIC_FILE -a -f $CACHE_VALUE_FILE ]; then
echo `cat $CACHE_VALUE_FILE` > $KVM_LAPIC_FILE
fi
disable_ksm