#!/bin/sh

[ -r /proc/uptime ] && cat /proc/uptime | awk '{printf "uptime_sec=%s\n", $1}'
[ -x /usr/bin/users ] && /usr/bin/users | wc | awk '{printf "users=%s\n", $2}'
[ -r /proc/loadavg ] && cat /proc/loadavg | \
    awk '{printf "load_avg_1m=%s\n", $1; printf "load_avg_5min=%s\n", $2; printf "load_avg_15min=%s\n", $3}'