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This repository has been archived by the owner on Aug 29, 2023. It is now read-only.
OS - Ubunru 22.04. I pathch kernel v5.17.9 UKSM. Ok. I have - /sys/kernel/mm/uksm (NOT ksm)
Have ksmtuned service running on system with patch and get in log:
Feb 22 17:42:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:43:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:44:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:45:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:46:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:47:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:48:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:49:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:50:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:51:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:53:04 cloud ksmtuned[2153]: message repeated 2 times: [ /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога]
Feb 22 17:54:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:55:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:56:04 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 17:59:05 cloud ksmtuned[2153]: message repeated 3 times: [ /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога]
Feb 22 18:00:05 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 18:01:05 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 18:02:05 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 18:03:05 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Feb 22 18:04:05 cloud ksmtuned[2153]: /usr/sbin/ksmtuned: строка 61: /sys/kernel/mm/ksm/run: Нет такого файла или каталога
Question - what i need? Just stop and disable ksmtuned service or need modify /usr/sbin/ksmtuned script for set path to uksm???
Bite a from /usr/sbin/ksmtuned:
if [ -f /etc/ksmtuned.conf ]; then
. /etc/ksmtuned.conf
fi
debug() {
if [ -n "$DEBUG" ]; then
s="`/bin/date`: $*"
[ -n "$LOGFILE" ] && echo "$s" >> "$LOGFILE" || echo "$s"
fi
}
KSM_MONITOR_INTERVAL=${KSM_MONITOR_INTERVAL:-60}
KSM_NPAGES_BOOST=${KSM_NPAGES_BOOST:-300}
KSM_NPAGES_DECAY=${KSM_NPAGES_DECAY:--50}
KSM_NPAGES_MIN=${KSM_NPAGES_MIN:-64}
KSM_NPAGES_MAX=${KSM_NPAGES_MAX:-1250}
KSM_SLEEP_MSEC=${KSM_SLEEP_MSEC:-10}
KSM_THRES_COEF=${KSM_THRES_COEF:-20}
KSM_THRES_CONST=${KSM_THRES_CONST:-2048}
total=`awk '/^MemTotal:/ {print $2}' /proc/meminfo`
debug total $total
npages=0
sleep=$[KSM_SLEEP_MSEC * 16 * 1024 * 1024 / total]
[ $sleep -le 10 ] && sleep=10
debug sleep $sleep
thres=$[total * KSM_THRES_COEF / 100]
if [ $KSM_THRES_CONST -gt $thres ]; then
thres=$KSM_THRES_CONST
fi
debug thres $thres
KSMCTL () {
case x$1 in
xstop)
echo 0 > /sys/kernel/mm/ksm/run
;;
xstart)
echo $2 > /sys/kernel/mm/ksm/pages_to_scan
echo $3 > /sys/kernel/mm/ksm/sleep_millisecs
echo 1 > /sys/kernel/mm/ksm/run
;;
esac
}
committed_memory () {
local pidlist
pidlist=$(pgrep -f -d ' ' '^qemu-system.*-enable-kvm')
if [ -n "$pidlist" ]; then
ps -p "$pidlist" -o rsz=
fi | awk '{ sum += $1 }; END { print 0+sum }'
}
free_memory () {
awk '/^(MemFree|Buffers|Cached):/ {free += $2}; END {print free}' \
/proc/meminfo
}
increase_npages() {
local delta
delta=${1:-0}
npages=$[npages + delta]
if [ $npages -lt $KSM_NPAGES_MIN ]; then
npages=$KSM_NPAGES_MIN
elif [ $npages -gt $KSM_NPAGES_MAX ]; then
npages=$KSM_NPAGES_MAX
fi
echo $npages
}
adjust () {
local free committed
free=`free_memory`
committed=`committed_memory`
debug committed $committed free $free
if [ $[committed + thres] -lt $total -a $free -gt $thres ]; then
KSMCTL stop
debug "$[committed + thres] < $total and free > $thres, stop ksm"
return 1
fi
debug "$[committed + thres] > $total, start ksm"
if [ $free -lt $thres ]; then
npages=`increase_npages $KSM_NPAGES_BOOST`
debug "$free < $thres, boost"
else
npages=`increase_npages $KSM_NPAGES_DECAY`
debug "$free > $thres, decay"
fi
KSMCTL start $npages $sleep
debug "KSMCTL start $npages $sleep"
return 0
}
function nothing () {
:
}
loop () {
trap nothing SIGUSR1
while true
do
sleep $KSM_MONITOR_INTERVAL &
wait $!
adjust
done
}
PIDFILE=${PIDFILE-/var/run/ksmtune.pid}
if touch "$PIDFILE"; then
loop &
echo $! > "$PIDFILE"
fi
The text was updated successfully, but these errors were encountered:
OS - Ubunru 22.04. I pathch kernel v5.17.9 UKSM. Ok. I have - /sys/kernel/mm/uksm (NOT ksm)
Have ksmtuned service running on system with patch and get in log:
Question - what i need? Just stop and disable ksmtuned service or need modify /usr/sbin/ksmtuned script for set path to uksm???
Bite a from /usr/sbin/ksmtuned:
The text was updated successfully, but these errors were encountered: