f6e3607d2d
Make meminfo-writer compute used memory, and report to qmemman only if it has changed significantly enough. As it is written in C, its code is much faster that qmemman-server; also in the idle case, it saves on xenstore communication overhead. Allows to send updates up to 10 times per second, with CPU load on the VM below 0.1%.
95 lines
2.4 KiB
Bash
Executable File
95 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# chkconfig: 2345 99 00
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# description: Executes Qubes core scripts at Dom0 boot
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#
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### BEGIN INIT INFO
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# Provides: qubes-core
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# Required-Start: xend
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# Default-Start: 3 4 5
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# Default-Stop: 0 1 2 6
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# Default-Enabled: yes
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# Short-Description: Start/stop qubes-core services
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# Description: Starts and stops the qubes-core serives
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### END INIT INFO
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# Source function library.
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. /etc/rc.d/init.d/functions
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setup_dvm_files()
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{
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ROOT=/var/lib/qubes/dvmdata/savefile_root
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DEFAULT=/var/lib/qubes/dvmdata/default_savefile
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if ! [ -f $DEFAULT ] ; then return ; fi
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if ! [ -f $ROOT ] ; then return ; fi
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if [ $ROOT -nt $DEFAULT ] ; then
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echo DVM require reconfiguration
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return
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fi
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if [ -f /var/lib/qubes/dvmdata/dont_use_shm ] ; then
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ln -s $DEFAULT /var/run/qubes/current_savefile
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else
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mkdir -m 770 /dev/shm/qubes
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chown root.qubes /dev/shm/qubes
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cp $DEFAULT /dev/shm/qubes/current_savefile
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chown root.qubes /dev/shm/qubes/current_savefile
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chmod 660 /dev/shm/qubes/current_savefile
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ln -s /dev/shm/qubes/current_savefile /var/run/qubes/current_savefile
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fi
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}
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start()
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{
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echo -n $"Executing Qubes Core scripts:"
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chgrp qubes /etc/xen
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chmod 710 /etc/xen
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chgrp qubes /var/run/xend
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chmod 710 /var/run/xend
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chgrp qubes /var/run/xend/xen-api.sock /var/run/xend/xmlrpc.sock
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chmod 660 /var/run/xend/xen-api.sock /var/run/xend/xmlrpc.sock
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chgrp qubes /var/run/xenstored/*
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chmod 660 /var/run/xenstored/*
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xm sched-credit -d 0 -w 65535
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printf "\x00\x00\x00\x00" > /var/run/qubes/dispVM_seq
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chown root:qubes /var/run/qubes/dispVM_seq
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chmod 660 /var/run/qubes/dispVM_seq
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xm mem-set 0 1600
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cp /var/lib/qubes/qubes.xml /var/lib/qubes/backup/qubes-$(date +%F-%T).xml
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setup_dvm_files
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/usr/lib/qubes/qmemman_daemon.py >/var/log/qubes/qmemman.log 2>/var/log/qubes/qmemman.errs &
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MEM_CHANGE_THRESHOLD_KB=30000
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MEMINFO_DELAY_USEC=100000
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/usr/lib/qubes/meminfo-writer $MEM_CHANGE_THRESHOLD_KB $MEMINFO_DELAY_USEC &
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touch /var/lock/subsys/qubes_core
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success
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echo
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}
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stop()
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{
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echo -n $"Shutting down all Qubes VMs:"
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NETVM=$(qvm-get-default-netvm)
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qvm-run -q --shutdown --all --wait --exclude $NETVM
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rm -f /var/lock/subsys/qubes_core
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success
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echo
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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*)
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echo $"Usage: $0 {start|stop}"
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exit 3
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;;
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esac
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exit $RETVAL
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