X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/7a4d6f5ffa594603ef83bc8b0e9945d12e082490..84313cc876bce8b346ca83934de57b50488ab8cd:/widgets/cpu.lua?ds=inline diff --git a/widgets/cpu.lua b/widgets/cpu.lua index cf0b76c..737b6fa 100644 --- a/widgets/cpu.lua +++ b/widgets/cpu.lua @@ -7,74 +7,82 @@ --]] -local markup = require("lain.util.markup") -local first_line = require("lain.helpers").first_line +local lines_match = require("lain.helpers").lines_match +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 -} - -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 w = wibox.widget.textbox() - - local cpuusageupdate = function() +local cpu = { core = {} } + +local function worker(args) + local args = args or {} + local timeout = args.timeout or 2 + local settings = args.settings or function() end + + cpu.widget = wibox.widget.textbox('') + + 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. - local times = first_line("/proc/stat") - local at = 1 - local idle = 0 - local total = 0 - for field in string.gmatch(times, "[%s]+([^%s]+)") + -- different kinds of work. Read the first line of /proc/stat + -- which is the sum of all CPUs. + local times = lines_match("cpu","/proc/stat") + + for index,time in pairs(times) do - -- 3 = idle, 4 = ioWait. Essentially, the CPUs have done - -- nothing during these times. - if at == 3 or at == 4 - then - idle = idle + field + local coreid = index - 1 + local core = cpu.core[coreid] or + { last_active = 0 , last_total = 0, usage = 0 } + local at = 1 + local idle = 0 + local total = 0 + + for field in string.gmatch(time, "[%s]+([^%s]+)") + do + -- 4 = idle, 5 = ioWait. Essentially, the CPUs have done + -- nothing during these times. + if at == 4 or at == 5 then + idle = idle + field + end + total = total + field + at = at + 1 end - total = total + field - at = at + 1 - end - local active = total - idle - -- 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) + local active = total - idle - w:set_markup(markup(header_color, header) .. markup(color, dta .. footer) .. " ") + if core.last_active ~= active or core.last_total ~= total then + -- Read current data and calculate relative values. + local dactive = active - core.last_active + local dtotal = total - core.last_total - -- Save current data for the next run. - cpu.last_active = active - cpu.last_total = total - end + local usage = math.ceil((dactive / dtotal) * 100) - local cpuusagetimer = timer({ timeout = refresh_timeout }) - cpuusagetimer:connect_signal("timeout", cpuusageupdate) - cpuusagetimer:start() - cpuusagetimer:emit_signal("timeout") + core.last_active = active + core.last_total = total + core.usage = usage + + -- Save current data for the next run. + cpu.core[coreid] = core; + end + end + + widget = cpu.widget + cpu_now = cpu.core + cpu_now.usage = cpu_now[0].usage + + settings() + end - return w + newtimer("cpu", timeout, update) + return cpu.widget end return setmetatable(cpu, { __call = function(_, ...) return worker(...) end })