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-------------------------------------------------
-- CPU Widget for Awesome Window Manager
-- Shows the current CPU utilization
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/cpu-widget
-- @author Pavel Makhov
-- @copyright 2019 Pavel Makhov
-------------------------------------------------
local watch = require("awful.widget.watch")
local wibox = require("wibox")
local beautiful = require("beautiful")
local widget = {}
local function worker(args)
local args = args or {}
local width = args.width or 50
local step_width = args.step_width or 2
local step_spacing = args.step_spacing or 1
local color= args.color or beautiful.fg_normal
local cpugraph_widget = wibox.widget {
max_value = 100,
background_color = "#00000000",
forced_width = width,
step_width = step_width,
step_spacing = step_spacing,
widget = wibox.widget.graph,
color = "linear:0,0:0,20:0,#FF0000:0.3,#FFFF00:0.6," .. color
}
--- By default graph widget goes from left to right, so we mirror it and push up a bit
local cpu_widget = wibox.container.margin(wibox.container.mirror(cpugraph_widget, { horizontal = true }), 0, 0, 0, 2)
local total_prev = 0
local idle_prev = 0
watch([[bash -c "cat /proc/stat | grep '^cpu '"]], 1,
function(widget, stdout)
local user, nice, system, idle, iowait, irq, softirq, steal, guest, guest_nice =
stdout:match('(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s')
local total = user + nice + system + idle + iowait + irq + softirq + steal
local diff_idle = idle - idle_prev
local diff_total = total - total_prev
local diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
widget:add_value(diff_usage)
total_prev = total
idle_prev = idle
end,
cpugraph_widget
)
return cpu_widget
end
return setmetatable(widget, { __call = function(_, ...)
return worker(...)
end })
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