X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/046b0279b0f3eb827bcc2b2e395e6ea69c019733..fbc8c2ba7b6b250b7919ef9bb311ab2719ecfd10:/widgets/cpu.lua?ds=inline diff --git a/widgets/cpu.lua b/widgets/cpu.lua index cf0b76c..6019f32 100644 --- a/widgets/cpu.lua +++ b/widgets/cpu.lua @@ -7,36 +7,30 @@ --]] -local markup = require("lain.util.markup") local first_line = require("lain.helpers").first_line +local newtimer = require("lain.helpers").newtimer -local beautiful = require("beautiful") local wibox = require("wibox") local math = { ceil = math.ceil } local string = { format = string.format, gmatch = string.gmatch } +local tostring = tostring local setmetatable = setmetatable -- CPU usage -- lain.widgets.cpu -local cpu = { - last_total = 0, - last_active = 0 -} +local cpu = { last_total = 0, last_active = 0 } -function worker(args) - local args = args or {} - local refresh_timeout = args.refresh_timeout or 5 - local header = args.header or " Cpu " - local header_color = args.header or beautiful.fg_normal or "#FFFFFF" - local color = args.color or beautiful.fg_focus or "#FFFFFF" - local footer = args.footer or "%" +local function worker(args) + local args = args or {} + local timeout = args.timeout or 2 + local settings = args.settings or function() end - local w = wibox.widget.textbox() + cpu.widget = wibox.widget.textbox('') - local cpuusageupdate = function() + function update() -- Read the amount of time the CPUs have spent performing -- different kinds of work. Read the first line of /proc/stat -- which is the sum of all CPUs. @@ -46,9 +40,9 @@ function worker(args) local total = 0 for field in string.gmatch(times, "[%s]+([^%s]+)") do - -- 3 = idle, 4 = ioWait. Essentially, the CPUs have done + -- 4 = idle, 5 = ioWait. Essentially, the CPUs have done -- nothing during these times. - if at == 3 or at == 4 + if at == 4 or at == 5 then idle = idle + field end @@ -56,25 +50,27 @@ function worker(args) at = at + 1 end local active = total - idle + + if cpu.last_active ~= active or cpu.last_total ~= total then + -- Read current data and calculate relative values. + local dactive = active - cpu.last_active + local dtotal = total - cpu.last_total - -- Read current data and calculate relative values. - local dactive = active - cpu.last_active - local dtotal = total - cpu.last_total - local dta = math.ceil((dactive / dtotal) * 100) + cpu_now = {} + cpu_now.usage = tostring(math.ceil((dactive / dtotal) * 100)) - w:set_markup(markup(header_color, header) .. markup(color, dta .. footer) .. " ") + widget = cpu.widget + settings() - -- Save current data for the next run. - cpu.last_active = active - cpu.last_total = total + -- Save current data for the next run. + cpu.last_active = active + cpu.last_total = total + end end - local cpuusagetimer = timer({ timeout = refresh_timeout }) - cpuusagetimer:connect_signal("timeout", cpuusageupdate) - cpuusagetimer:start() - cpuusagetimer:emit_signal("timeout") + newtimer("cpu", timeout, update) - return w + return cpu.widget end return setmetatable(cpu, { __call = function(_, ...) return worker(...) end })