xcat-core/xCAT-IBMhpc/share/xcat/IBMhpc/aix-clean-jitter

#!/usr/bin/ksh

#
# example postscript intended to reduce OS jitter
#

trap "chmod 774 /etc/rc.tcpip" INT QUIT TERM EXIT

#NB: WANT TO ADD THIS BACK IN AT SOME POINT - SYSTEM HANG DETECTION DEAMON
#shdaemon:2:off:/usr/sbin/shdaemon >/dev/console 2>&1 # High availability daemon
rmitab shdaemon > /dev/null 2>&1

#to disable topasrec, which runs as a cron job, need remove the following entry from /etc/inittab:
#xmdaily:2:once:/usr/bin/topasrec -L -s 300 -R 1 -r 6 -o /etc/perf/daily/ -ypersistent=1 2>&1 >/dev/null #Start local binary recording
rmitab xmdaily > /dev/null 2>&1 

#to disable PM data collection, which is really topasout, run:
#55 23 * * * /var/perf/pm/bin/pmcfg  >/dev/null 2>&1     #Enable PM Data Collection
rmitab pmcfg > /dev/null 2>&1

#to disable USB audio device overhead
#naudio2::boot:/usr/sbin/naudio2 > /dev/null
#naudio::boot:/usr/sbin/naudio > /dev/null
rmitab naudio > /dev/null 2>&1
rmitab naudio2 > /dev/null 2>&1

#not planning on printing from P7IH:
#piobe:2:wait:/usr/lib/lpd/pioinit_cp >/dev/null 2>&1  # pb cleanup
rmitab piobe > /dev/null 2>&1

#qdaemon:23456789:wait:/usr/bin/startsrc -sqdaemon
rmitab qdaemon > /dev/null 2>&1

rcwpars:2:once:/etc/rc.wpars > /dev/console 2>&1 # Corrals autostart
rmitab rcwpars > /dev/null 2>&1

#have always seen this disabled in the past
#perfstat:2:once:/usr/lib/perf/libperfstat_updt_dictionary >/dev/console 2>&1
rmitab perfstat > /dev/null 2>&1

#we aren't running GSA on PERCS machines. . .
#gsa_updmn:2:wait:startsrc -s gsa_updmn > /dev/console 2>&1
rmitab gsa_updmn > /dev/null 2>&1

#unless we really are using this we should disable for perf testing
#artex:2:wait:/usr/sbin/artexset -c -R /etc/security/artex/config/master_profile.xml > /dev/console 2>&1
rmitab artex > /dev/null 2>&1

#this is HACMP function . . . 
#clcomd:23456789:once:/usr/bin/startsrc -s clcomd
rmitab clcomd > /dev/null 2>&1

#rpvserver:2:once:/etc/rc.rpvserver > /dev/console 2>&1
rmitab rpvserver > /dev/null 2>&1

#ha_star:h2:once:/etc/rc.ha_star >/dev/console 2>&1
rmitab ha_star > /dev/null 2>&1

#clusterconf:23456789:once:/usr/sbin/clusterconf
rmitab clusterconf > /dev/null 2>&1

#this is for http://<hostname>:5335/ibm/console access, which we don't want for PERCS
#pconsole:2:once:/usr/bin/startsrc -s pconsole  > /dev/null 2>&1
rmitab pconsole > /dev/null 2>&1

#contains Network load balancing kernel extensions . . . not clear for HPC yet
#rcnetwlm:23456789:wait:/etc/rc.netwlm start> /dev/console 2>&1 # Start netwlm
rmitab rcnetwlm > /dev/null 2>&1

#to disable cimservices, need to comment cimservices and platform agent: 
#cimservices:2:once:/usr/bin/startsrc -s cimsys >/dev/null 2>&1
#platform_agent:2:once:/usr/bin/startsrc -s platform_agent >/dev/null 2>&1
rmitab cimservices > /dev/null 2>&1 
rmitab platform_agent > /dev/null 2>&1 

#we WILL want to add in RMC (RSCT) monitoring at some point
#ctrmc:2:once:/usr/bin/startsrc -s ctrmc > /dev/console 2>&1
rmitab ctrmc > /dev/null 2>&1

#Jugement call . . . leave in for now
#diagd:2:once:/usr/lpp/diagnostics/bin/diagd >/dev/console 2>&1

#for NIM so keep for now
#mount_tools:2:once:/usr/bin/mount_tools iofnim.austin.ibm.com > /dev/console 2>&1

#following are needed for HPC so leave:
#rcsciv1:23456789:wait:/usr/bin/startsrc -s scidv1 > /dev/console 2>&1
#pnsd:2345:once:/opt/rsct/lapi/pnsd/startpnsdAIX 1>/dev/null 2>&1
#dscrset:2:once:/usr/sbin/dscrctl -n -s 30 >/dev/null 2>/dev/console

#to disable sendmail daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/lib/sendmail
# Leave enabled on login nodes
host `hostname` | grep -qE "l[0-9]+"
if [[ $? -ne 0 ]]
then

    grep -q "^start /usr/lib/sendmail" /etc/rc.tcpip
    if [[ $? -eq 0 ]] then
	cat /etc/rc.tcpip | sed 's/^start \/usr\/lib\/sendmail/#start \/usr\/lib\/sendmail/' > /tmp/rc.tcpip.tmpfile.$$
	cp  -p /etc/rc.tcpip /etc/rc.tcpip.prev 
	mv  /tmp/rc.tcpip.tmpfile.$$  /etc/rc.tcpip
    fi
    stopsrc -s sendmail > /dev/null 2>&1
fi


#to disable aixmibd daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/sbin/aixmibd
grep -q "^start /usr/sbin/aixmibd" /etc/rc.tcpip
if [[ $? -eq 0 ]] then
    cat /etc/rc.tcpip | sed 's/^start \/usr\/sbin\/aixmibd/#start \/usr\/sbin\/aixmibd/' > /tmp/rc.tcpip.tmpfile.$$
    cp  -p /etc/rc.tcpip /etc/rc.tcpip.prev2
    mv  /tmp/rc.tcpip.tmpfile.$$  /etc/rc.tcpip
fi
stopsrc -s aixmibd > /dev/null 2>&1

#to disable hostmibd daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/sbin/hostmibd
grep -q "^start /usr/sbin/hostmibd" /etc/rc.tcpip
if [[ $? -eq 0 ]] then
    cat /etc/rc.tcpip | sed 's/^start \/usr\/sbin\/hostmibd/#start \/usr\/sbin\/hostmibd/' > /tmp/rc.tcpip.tmpfile.$$
    cp  -p /etc/rc.tcpip /etc/rc.tcpip.prev2
    mv  /tmp/rc.tcpip.tmpfile.$$  /etc/rc.tcpip
fi
stopsrc -s hostmibd > /dev/null 2>&1

#to disable snmpmibd daemon, need to comment the line in /etc/rc.tcpip that begins: start /usr/sbin/snmpmibd
grep -q "^start /usr/sbin/snmpmibd" /etc/rc.tcpip
if [[ $? -eq 0 ]] then
    cat /etc/rc.tcpip | sed 's/^start \/usr\/sbin\/snmpmibd/#start \/usr\/sbin\/snmpmibd/' > /tmp/rc.tcpip.tmpfile.$$
    cp  -p /etc/rc.tcpip /etc/rc.tcpip.prev2
    mv  /tmp/rc.tcpip.tmpfile.$$  /etc/rc.tcpip
fi
stopsrc -s snmpmibd > /dev/null 2>&1

#disable the prngd daemon (the random daemon is more efficient)
stopsrc -s prngd

chmod 774 /etc/rc.tcpip

if [[ ! -f /var/spool/cron/crontabs/root.before.clean_jitter ]] then
    cp -p /var/spool/cron/crontabs/root /var/spool/cron/crontabs/root.before.clean_jitter

    egrep -v "bin\/pmcfg|bin\/stcron|bin\/dumpctr|ras\/dumpcheck|bin\/errclear" /var/spool/cron/crontabs/root > /var/spool/cron/crontabs/root.after.clean_jitter

    cp /var/spool/cron/crontabs/root.after.clean_jitter /var/spool/cron/crontabs/root 
fi

#for i in $(ps -efk | egrep "\/usr\/sbin\/cron|topasrec" | grep -v grep | awk ' { print $2} ') ; do
#  kill $i
#done
#
#nohup /usr/sbin/cron > /dev/null 2>&1 &

CRON="/usr/sbin/cron"

# Find PID for cron process - check for exact pattern match on process name and it's parent PID is 1
CRON_PID=$(ps -ef | grep ${CRON} | grep -v grep | awk '{ if ($NF = "${CRON}" && $3 == "1") { print $2 }}')

if [ -n "${CRON_PID}" ]
then
	echo "Killing ${CRON} (${CRON_PID}) to re-read config file(s)"
	kill ${CRON_PID}
fi

# Allow time to respawn from inittab
sleep 1

# Print new cron PID
CRON_PID=$(ps -ef | grep ${CRON} | grep -v grep | awk '{ if ($NF = "${CRON}" && $3 == "1") { print $2 }}')
echo "New cron PID is ${CRON_PID}"

ls -l /etc/rc.tcpip
telinit q
sleep 1

/usr/sbin/schedo -F -o tick_sync=1
/usr/sbin/schedo -F -o big_tick_size=1

grep -q cosched3 /etc/poe.priority 2> /dev/null
if [[ $? -ne 0 ]] then
    echo '*  cosched1    18    100    97    10' >> /etc/poe.priority
    echo '*  cosched2    13    100    99.5  10' >> /etc/poe.priority 
    echo '*  cosched3    13    100    99     3' >> /etc/poe.priority
    echo '*  cosched4    18    100    97     1' >> /etc/poe.priority
    chmod 644 /etc/poe.priority
fi