gather_uptime_info() {
	[ -z "${UPTIME}" ] || return

	export UPTIME=""
	export LOAD_1=""
	export LOAD_5=""
	export LOAD_15=""

	local CALC_LOAD_AWK='{
		print "LOAD_1=\"" $1 "\";LOAD_5=\"" $2 "\";LOAD_15=\"" $3 "\";";
		for(i=1; i<4; i++) {
			if($i<=0.0) {
				load="LOW"
			} else {
				inv_load=ncpus/$i;
				if (inv_load > (ncpus/2)) {
					load="LOW";
				} else {
					load="MODERATE";
				}
				if (inv_load <= 0) load="HIGH";
			}

			if(i==1) { classes=classes "LOAD_1_" load " " }
			if(i==2) { classes=classes "LOAD_5_" load " " }
			if(i==3) { classes=classes "LOAD_15_" load " "; }
		}
		print "set_class " classes ";";
	}'

	has_class "Linux" && {
		eval $(${AWK} -v ncpus=${NCPUS} "${CALC_LOAD_AWK}" </proc/loadavg)
	}

	has_class "FreeBSD" && {
		local N='\([0-9]*\.[0-9]*\)'
		eval $(${SYSCTL} vm.loadavg |\
			${SED} 's/^.*{ '"${N}"' '"${N}"' '"${N}"'.*/\1 \2 \3/' |\
			${AWK} -v ncpus=${NCPUS} "${CALC_LOAD_AWK}")
	}

	export UPTIME LOAD_1 LOAD_5 LOAD_15
}

# vim: set ts=4 sw=4: