--------------------------------------------------- -- Licensed under the GNU General Public License v2 -- * (c) 2010, Adrian C. -- * (c) 2009, Lucas de Vries --------------------------------------------------- -- {{{ Grab environment local io = { lines = io.lines } local setmetatable = setmetatable local math = { floor = math.floor } local string = { gmatch = string.gmatch } -- }}} -- Mem: provides RAM and Swap usage statistics -- vicious.widgets.mem local mem = {} -- {{{ Memory widget type local function worker(format) local _mem = { buf = {}, swp = {} } -- Get MEM info for line in io.lines("/proc/meminfo") do for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+") do if k == "MemTotal" then _mem.total = math.floor(v/1024) elseif k == "MemFree" then _mem.buf.f = math.floor(v/1024) elseif k == "Buffers" then _mem.buf.b = math.floor(v/1024) elseif k == "Cached" then _mem.buf.c = math.floor(v/1024) elseif k == "SwapTotal" then _mem.swp.t = math.floor(v/1024) elseif k == "SwapFree" then _mem.swp.f = math.floor(v/1024) end end end -- Calculate memory percentage _mem.free = _mem.buf.f + _mem.buf.b + _mem.buf.c _mem.inuse = _mem.total - _mem.free _mem.bcuse = _mem.total - _mem.buf.f _mem.usep = math.floor(_mem.inuse / _mem.total * 100) -- Calculate swap percentage _mem.swp.inuse = _mem.swp.t - _mem.swp.f _mem.swp.usep = math.floor(_mem.swp.inuse / _mem.swp.t * 100) return {_mem.usep, _mem.inuse, _mem.total, _mem.free, _mem.swp.usep, _mem.swp.inuse, _mem.swp.t, _mem.swp.f, _mem.bcuse } end -- }}} return setmetatable(mem, { __call = function(_, ...) return worker(...) end })