dotfiles/awesome/widget/cpu/cpu-meter.lua
2020-06-03 21:27:00 -05:00

75 lines
1.6 KiB
Lua

local wibox = require('wibox')
local gears = require('gears')
local beautiful = require('beautiful')
local watch = require('awful.widget.watch')
local icons = require('theme.icons')
local dpi = beautiful.xresources.apply_dpi
local total_prev = 0
local idle_prev = 0
local slider = wibox.widget {
nil,
{
id = 'cpu_usage',
max_value = 100,
value = 29,
forced_height = dpi(2),
color = beautiful.fg_normal,
background_color = beautiful.groups_bg,
shape = gears.shape.rounded_rect,
widget = wibox.widget.progressbar
},
nil,
expand = 'none',
layout = wibox.layout.align.vertical
}
watch(
[[bash -c "cat /proc/stat | grep '^cpu '"]],
5,
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.cpu_usage:set_value(diff_usage)
total_prev = total
idle_prev = idle
collectgarbage('collect')
end
)
local cpu_meter = wibox.widget {
{
{
{
image = icons.chart,
resize = true,
widget = wibox.widget.imagebox
},
top = dpi(12),
bottom = dpi(12),
widget = wibox.container.margin
},
slider,
spacing = dpi(24),
layout = wibox.layout.fixed.horizontal
},
left = dpi(24),
right = dpi(24),
forced_height = dpi(48),
widget = wibox.container.margin
}
return cpu_meter