awesome/widget/cpu/cpu-meter.lua

51 lines
1.2 KiB
Lua

local wibox = require('wibox')
local mat_list_item = require('widget.material.list-item')
local mat_slider = require('widget.material.slider')
local mat_icon = require('widget.material.icon')
local icons = require('theme.icons')
local watch = require('awful.widget.watch')
local dpi = require('beautiful').xresources.apply_dpi
local total_prev = 0
local idle_prev = 0
local slider =
wibox.widget {
read_only = true,
widget = mat_slider
}
watch(
[[bash -c "cat /proc/stat | grep '^cpu '"]],
1,
function(_, 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
slider:set_value(diff_usage)
total_prev = total
idle_prev = idle
collectgarbage('collect')
end
)
local cpu_meter =
wibox.widget {
wibox.widget {
icon = icons.chart,
size = dpi(24),
widget = mat_icon
},
slider,
widget = mat_list_item
}
return cpu_meter