28 lines
880 B
Lua
28 lines
880 B
Lua
local wibox = require('wibox')
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local beautiful = require('beautiful')
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local dpi = require('beautiful').xresources.apply_dpi
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local watch = require('awful.widget.watch')
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local cpu = wibox.widget.textbox()
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local total_prev = 0
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local idle_prev = 0
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watch([[bash -c "cat /proc/stat | grep '^cpu '"]], 1, function(_, stdout)
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local user, nice, system, idle, iowait, irq, softirq, steal, guest, guest_nice =
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stdout:match('(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s')
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local total = user + nice + system + idle + iowait + irq + softirq + steal
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local diff_idle = idle - idle_prev
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local diff_total = total - total_prev
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local diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
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cpu.text = math.floor(diff_usage) .. '%'
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total_prev = total
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idle_prev = idle
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collectgarbage('collect')
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end)
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return cpu
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