mirror of
https://github.com/churchers/vm-bhyve.git
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cc53a655b9
Add 'limit_' prefix to option in config file Set no limit by default Error supporting RCTL writen to the log file Some limits checked by FreeBSD version
62 lines
2.1 KiB
Bash
62 lines
2.1 KiB
Bash
#!/bin/sh
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# 'vm _rctl'
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# set limits to virtual machine
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# this is the background process
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#
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# @param string _name the name of the guest to enable limits
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#
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__vm_set_rctl_limits(){
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local _name="$1"
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local _conf="${vm_dir}/${_name}/${_name}.conf"
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__config_load "${_conf}"
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__config_get "_pcpu" "limit_pcpu"
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__config_get "_rbps" "limit_rbps"
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__config_get "_wbps" "limit_wbps"
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__config_get "_riops" "limit_riops"
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__config_get "_wiops" "limit_wiops"
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# set defaults: no limits
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: ${_pcpu:=-1}
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: ${_rbps:=-1}
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: ${_wbps:=-1}
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: ${_riops:=-1}
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: ${_wiops:=-1}
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# wait a few seconds until the bhyve starts
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sleep 1;
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_pid=$(pgrep -fx "bhyve: ${_name}")
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if [ -n "${_pid}" ]; then
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if [ "${_pcpu}" -ne -1 -o ${_rbps} -ne -1 -o ${_wbps} -ne -1 -o ${_riops} -ne -1 -o ${_wiops} -ne -1 ]; then
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/usr/bin/rctl > /dev/null 2>&1
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_exit=$?
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[ ${_exit} -ne 0 ] && __log "guest" "${_name}" "RCTL support requested but RCTL not available"
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if [ ! -z "${_pcpu}" ]; then
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/usr/bin/rctl -a process:${_pid}:pcpu:deny=${_pcpu}
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__log "guest" "${_name}" "limit rctl pcpu resource to ${_pcpu}"
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fi
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if [ ${BSD_VERSION} -ge 1100000 ]; then
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if [ ! -z ${_rbps} ]; then
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/usr/bin/rctl -a process:${_pid}:readbps:throttle=${_rbps}
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__log "guest" "limit rctl readbps resource to ${_rbps}"
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fi
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if [ ! -z ${_wbps} ]; then
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/usr/bin/rctl -a process:${_pid}:writebps:throttle=${_wbps}
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__log "guest" "limit rctl writebps resource to ${_wbps}"
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fi
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if [ ! -z ${_riops} ]; then
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/usr/bin/rctl -a process:${_pid}:readiops:throttle=${_riops}
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__log "guest" "limit rctl readiops resource to ${_riops}"
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fi
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if [ ! -z ${_wiops} ]; then
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/usr/bin/rctl -a process:${_pid}:writeiops:throttle=${_wiops}
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__log "guest" "limit rctl writeiops resource to ${_wiops}"
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fi
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fi
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fi
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fi
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}
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