90 lines
2.6 KiB
Lua
90 lines
2.6 KiB
Lua
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-- CPU usage widget type for FreeBSD
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-- Copyright (C) 2017,2019 mutlusun <mutlusun@github.com>
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-- Copyright (C) 2019 Nguyễn Gia Phong <vn.mcsinyx@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 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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-- 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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function cpu_freebsd.async(format, warg, callback)
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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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helpers.sysctl_async({ "kern.cp_times" }, function(ret)
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-- Read input data
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for v in string.gmatch(ret["kern.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(
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(tmp_usage[i] - (tmp_idle[i] - cpu_idle[i]))
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/ 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 callback(tmp_usage)
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end)
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end
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-- }}}
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return helpers.setasyncall(cpu_freebsd)
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