61 lines
2.4 KiB
Lua
61 lines
2.4 KiB
Lua
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-- RAM and swap usage widget type for GNU/Linux
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-- Copyright (C) 2010 Adrian C. <anrxc@sysphere.org>
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-- Copyright (C) 2009 Lucas de Vries <lucas@glacicle.com>
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-- Copyright (C) 2017 mutlusun <mutlusun@github.com>
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-- Copyright (C) 2018 Jay Kamat <jaygkamat@gmail.com>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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-- {{{ Grab environment
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local io = { lines = io.lines }
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local math = { floor = math.floor }
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local string = { gmatch = string.gmatch }
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local helpers = require"vicious.helpers"
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-- }}}
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-- {{{ Memory widget type
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return helpers.setcall(function ()
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local _mem = { buf = {}, swp = {} }
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-- Get MEM info
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for line in io.lines("/proc/meminfo") do
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for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+") do
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if k == "MemTotal" then _mem.total = math.floor(v/1024)
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elseif k == "MemFree" then _mem.buf.f = math.floor(v/1024)
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elseif k == "MemAvailable" then _mem.buf.a = math.floor(v/1024)
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elseif k == "Buffers" then _mem.buf.b = math.floor(v/1024)
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elseif k == "Cached" then _mem.buf.c = math.floor(v/1024)
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elseif k == "SwapTotal" then _mem.swp.t = math.floor(v/1024)
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elseif k == "SwapFree" then _mem.swp.f = math.floor(v/1024)
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end
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end
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end
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-- Calculate memory percentage
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_mem.free = _mem.buf.a
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_mem.inuse = _mem.total - _mem.free
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_mem.bcuse = _mem.total - _mem.buf.f
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_mem.usep = math.floor(_mem.inuse / _mem.total * 100)
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-- Calculate swap percentage
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_mem.swp.inuse = _mem.swp.t - _mem.swp.f
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_mem.swp.usep = math.floor(_mem.swp.inuse / _mem.swp.t * 100)
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return {_mem.usep, _mem.inuse, _mem.total, _mem.free,
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_mem.swp.usep, _mem.swp.inuse, _mem.swp.t, _mem.swp.f,
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_mem.bcuse }
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end)
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-- }}}
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