cpu_underclock

#!/bin/sh
source /usr/alisys/dragoon/libexec/monitor/include/utils.sh

###query cpu vendor freq and current freq
cpuinfo=`cat /proc/cpuinfo |grep '^model name'|head -1`
cpufreq=`echo $cpuinfo|awk '{print $NF}'`
if echo $cpufreq | grep -i ghz >/dev/null ; then
   tmpa=`echo $cpufreq |sed 's/[Gg][Hh]z//'`
   vendor_freq=`echo "$tmpa*1000"|bc -l`
else
   msg='unknown vendor default CPU frequency!'
   state=1
   exit 1
fi


cur_freq=`cat /proc/cpuinfo |grep 'cpu MHz'|head -1|awk '{print $NF}'`
tmpb=`echo "$vendor_freq-$cur_freq"|bc -l`
offset=`printf "%1.f\n" $tmpb`


###query system capable of software CPU speed control
cpuseq=`cat /proc/cpuinfo |grep processor|head -1|awk '{print $NF}'`
if [ -d /sys/devices/system/cpu/cpu$cpuseq/cpufreq ];then
   is_exist=true
else
   is_exist=false
fi

###show stats
if [ $offset -ge 100 ] ;then
   if $is_exist ; then
      msg='cpu frequency run in underclock!'
      state=3
   else
      msg='cpu frequency mabye run in underlock!'
      state=2
   fi
else
   msg='cpu frequency is normal!'
   state=0
fi

MSG="{\"state\":$state,
     \"msg\":\"$msg\"}"
print_json