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-- Authors: Relu Patrascu
-- License: LGPL, version 2.1 or later
-- Last Changed: 2004-11-05
--
-- statusd_cpuspeed.lua
--
-- Copyright (c) Relu Patrascu 2004.
--
-- Ion is free software; you can redistribute it and/or modify it under
-- the terms of the GNU Lesser General Public License as published by
-- the Free Software Foundation; either version 2.1 of the License, or
-- (at your option) any later version.
--
-- Nov. 5, 2004
-- Disclaimer
-- Neither am I a lua expert nor do I have the time to invest in writing
-- better code here. I simply needed this utility and it works OK for me.
-- I give no guarantees of any kind for this code. Suggestions for
-- improvement are welcome.
-- ikoflexer at gmail dot com
if not statusd_cpuspeed then
statusd_cpuspeed={ interval=10*1000 }
end
local cpuspeed
local function get_cpuspeed_proc()
local st,en
local f=io.open('/proc/cpuinfo', 'r')
if not f then
return ""
end
local s=f:read('*a')
f:close()
st, en, cpuspeed = string.find(s, 'cpu MHz[%s]*:[%s]*(%d+%.%d+)')
return tostring(cpuspeed)
end
local function get_cpuspeed_fn()
return get_cpuspeed_proc
end
local get_cpuspeed, cpuspeed_timer
local function update_cpuspeed()
statusd.inform("cpuspeed", get_cpuspeed())
cpuspeed_timer:set(statusd_cpuspeed.interval, update_cpuspeed)
end
-- Init
get_cpuspeed=get_cpuspeed_fn()
cpuspeed_timer=statusd.create_timer()
update_cpuspeed()
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