77 lines
2.9 KiB
Lua
77 lines
2.9 KiB
Lua
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----------------------------------------------------------
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-- Licensed under the GNU General Public License version 2
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-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
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----------------------------------------------------------
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-- {{{ Grab environment
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local type = type
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local tonumber = tonumber
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local io = { open = io.open }
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local math = { floor = math.floor }
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local helpers = require("vicious.helpers")
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-- }}}
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-- Mem: provides RAM and Swap usage statistics
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module("vicious.mem")
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-- {{{ Memory widget type
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function worker(format, padding)
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-- Get meminfo
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local f = io.open("/proc/meminfo")
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-- Get data
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for line in f:lines() do
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if line:match("^MemTotal.*") then
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mem_total = math.floor(tonumber(line:match("([%d]+)")) / 1024)
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elseif line:match("^MemFree.*") then
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free = math.floor(tonumber(line:match("([%d]+)")) / 1024)
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elseif line:match("^Buffers.*") then
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buffers = math.floor(tonumber(line:match("([%d]+)")) / 1024)
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elseif line:match("^Cached.*") then
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cached = math.floor(tonumber(line:match("([%d]+)")) / 1024)
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-- Get swap stats while we're at it
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elseif line:match("^SwapTotal.*") then
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swap_total = math.floor(tonumber(line:match("([%d]+)")) / 1024)
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elseif line:match("^SwapFree.*") then
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swap_free = math.floor(tonumber(line:match("([%d]+)")) / 1024)
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end
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end
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f:close()
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-- Calculate percentage
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mem_free = free + buffers + cached
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mem_inuse = mem_total - mem_free
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mem_usepercent = math.floor(mem_inuse/mem_total*100)
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-- Calculate swap percentage
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swap_inuse = swap_total - swap_free
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swap_usepercent = math.floor(swap_inuse/swap_total*100)
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if padding then
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if type(padding) == "table" then
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mem_usepercent = helpers.padd(mem_usepercent, padding[1])
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mem_inuse = helpers.padd(mem_inuse, padding[2])
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mem_total = helpers.padd(mem_total, padding[3])
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mem_free = helpers.padd(mem_free, padding[4])
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swap_usepercent = helpers.padd(swap_usepercent, padding[1])
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swap_inuse = helpers.padd(swap_inuse, padding[2])
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swap_total = helpers.padd(swap_total, padding[3])
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swap_free = helpers.padd(swap_free, padding[4])
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else
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mem_usepercent = helpers.padd(mem_usepercent, padding)
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mem_inuse = helpers.padd(mem_inuse, padding)
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mem_total = helpers.padd(mem_total, padding)
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mem_free = helpers.padd(mem_free, padding)
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swap_usepercent = helpers.padd(swap_usepercent, padding)
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swap_inuse = helpers.padd(swap_inuse, padding)
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swap_total = helpers.padd(swap_total, padding)
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swap_free = helpers.padd(swap_free, padding)
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end
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end
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return {mem_usepercent, mem_inuse, mem_total, mem_free,
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swap_usepercent, swap_inuse, swap_total, swap_free}
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end
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-- }}}
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