70 lines
1.7 KiB
Lua
70 lines
1.7 KiB
Lua
-- {{{ Grab environment
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local helpers = require("vicious.helpers")
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local tonumber = tonumber
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local setmetatable = setmetatable
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local math = { floor = math.floor }
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local string = { gmatch = string.gmatch }
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-- }}}
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-- Cpu: provides CPU usage for all available CPUs/cores
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-- vicious.widgets.cpu_freebsd
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local cpu_freebsd = {}
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-- Initialize function tables
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local cpu_total = {}
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local cpu_idle = {}
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-- {{{ CPU widget type
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local function worker(format)
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local cp_times = helpers.sysctl("kern.cp_times")
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local matches = {}
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local tmp_total = {}
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local tmp_idle = {}
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local tmp_usage = {}
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-- Read input data
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for v in string.gmatch(cp_times, "([%d]+)") do
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table.insert(matches, v)
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end
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-- Set first value of function tables
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if #cpu_total == 0 then -- check for empty table
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for i = 1, #matches / 5 + 1 do
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cpu_total[i] = 0
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cpu_idle[i] = 0
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end
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end
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for i = 1, #matches / 5 + 1 do
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tmp_total[i] = 0
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tmp_idle[i] = 0
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tmp_usage[i] = 0
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end
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-- CPU usage
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for i, v in ipairs(matches) do
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local index = math.floor((i-1) / 5) + 2 -- current cpu
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tmp_total[1] = tmp_total[1] + v
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tmp_total[index] = tmp_total[index] + v
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if (i-1) % 5 == 4 then
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tmp_idle[1] = tmp_idle[1] + v
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tmp_idle[index] = tmp_idle[index] + v
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end
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end
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for i = 1, #tmp_usage do
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tmp_usage[i] = tmp_total[i] - cpu_total[i]
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tmp_usage[i] = math.floor((tmp_usage[i] - (tmp_idle[i] - cpu_idle[i])) / tmp_usage[i] * 100)
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end
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cpu_total = tmp_total
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cpu_idle = tmp_idle
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return tmp_usage
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end
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-- }}}
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return setmetatable(cpu_freebsd, { __call = function(_, ...) return worker(...) end })
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