Autoboost

#!/usr/bin/lua5.3
posix = require "socket"
local low=75
local high=92
local sleep=0.5
local tempfile="/sys/class/thermal/thermal_zone0/temp"
local divisor=1000
local boostfile="/sys/devices/system/cpu/cpufreq/boost"

local last=-1

function setboost(n)
    if last~=n then
        last=n
        bh=io.open(boostfile,"w")
        if bh then
            bh:write(n.."\n")
            bh:close()
        end
    end
end

while true do
    posix.sleep(sleep)
    h=io.open(tempfile,"rb")
    if h then
        local sensor=h:read("*n")
        h:close()
        if sensor then
            sensor=tonumber(sensor)/1000
            io.write(math.floor(sensor+0.5).." C")
            local float=1-math.min(1,math.max(0,((sensor-low)/(high-low))))
            io.write("\tBoost: "..math.floor(float*100+0.5) .."%")
            local boost=math.random()<float and 1 or 0
            setboost(boost)
            print("\t"..(boost==1 and "BOOST" or ""))
        end
    end
end