62 lines
1.8 KiB
Lua
62 lines
1.8 KiB
Lua
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---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local setmetatable = setmetatable
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local string = { match = string.match }
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local helpers = require("vicious.helpers")
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-- }}}
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-- Cpufreq: provides freq, voltage and governor info for a requested CPU
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-- vicious.widgets.cpufreq
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local cpufreq = {}
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-- {{{ CPU frequency widget type
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local function worker(format, warg)
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if not warg then return end
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local _cpufreq = helpers.pathtotable("/sys/devices/system/cpu/"..warg.."/cpufreq")
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local governor_state = {
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["ondemand\n"] = "↯",
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["powersave\n"] = "⌁",
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["userspace\n"] = "¤",
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["performance\n"] = "⚡",
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["conservative\n"] = "⊚"
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}
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-- Default frequency and voltage values
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local freqv = {
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["mhz"] = "N/A", ["ghz"] = "N/A",
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["v"] = "N/A", ["mv"] = "N/A",
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}
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-- Get the current frequency
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local freq = tonumber(_cpufreq.scaling_cur_freq)
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-- Calculate MHz and GHz
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if freq then
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freqv.mhz = freq / 1000
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freqv.ghz = freqv.mhz / 1000
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-- Get the current voltage
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if _cpufreq.scaling_voltages then
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freqv.mv = tonumber(string.match(_cpufreq.scaling_voltages, freq.."[%s]([%d]+)"))
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-- Calculate voltage from mV
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freqv.v = freqv.mv / 1000
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end
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end
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-- Get the current governor
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local governor = _cpufreq.scaling_governor
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-- Represent the governor as a symbol
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governor = governor_state[governor] or governor or "N/A"
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return {freqv.mhz, freqv.ghz, freqv.mv, freqv.v, governor}
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end
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-- }}}
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return setmetatable(cpufreq, { __call = function(_, ...) return worker(...) end })
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