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-- GPU: Arc B580 temperatures and fan speed.
--
-- No utilisation figure, deliberately. The xe driver exposes no
-- gpu_busy_percent, intel_gpu_top refuses the device outright ("Detected Xe
-- device which is not supported"), and gputop prints per-process rows with
-- ANSI escapes, which is not an interface to build a widget on. The card shows
-- what the hardware actually reports rather than inventing a number.
--
-- The integrated AMD GPU does expose gpu_busy_percent and is deliberately not
-- shown: the discrete card is the one in use.
local card = require 'lib.card'
local data = require 'lib.data'
local M = {}
-- chip, file, label, warn, crit
local TEMPS = {
{ 'xe', 'temp2_input', 'PKG', 75, 85 },
{ 'xe', 'temp3_input', 'VRAM', 80, 90 },
}
function M.draw(cr, rect, colors)
local inner = card.card(cr, rect, colors)
local function clamp(v, lo, hi) return math.max(lo, math.min(hi, v)) end
local label_size = clamp(inner.w * 0.030, 11, 18)
local big_size = clamp(inner.w * 0.085, 26, 56)
local row_size = clamp(inner.w * 0.030, 11, 17)
local y = inner.y
card.font(cr, card.FONT_MONO, label_size, false)
card.rgba(cr, colors.label)
card.text(cr, inner.x, y + label_size, 'GPU')
card.rgba(cr, colors.value)
card.text_right(cr, inner.x + inner.w, y + label_size, 'ARC B580')
-- The package temperature is the headline, since there is no load to show.
local pkg = data.sensor('xe', 'temp2_input')
card.font(cr, card.FONT_HEAVY, big_size, false)
card.rgba(cr, pkg and card.threshold(pkg, 75, 85, colors) or colors.label)
card.text(cr, inner.x, y + label_size + big_size,
pkg and string.format('%d\u{00B0}', pkg) or '--')
local ey = y + label_size + big_size + 18
local step = row_size * 1.9
card.font(cr, card.FONT_MONO, row_size, false)
for _, t in ipairs(TEMPS) do
if ey + step > inner.y + inner.h then break end
local v = data.sensor(t[1], t[2])
card.rgba(cr, colors.label)
card.text(cr, inner.x, ey, t[3])
card.rgba(cr, v and card.threshold(v, t[4], t[5], colors) or colors.label)
card.text_right(cr, inner.x + inner.w, ey,
v and string.format('%d\u{00B0}', v) or '--')
ey = ey + step
end
-- Fan RPM is not a temperature, so it carries no threshold colour: a fast
-- fan is the cooling working, not a fault.
if ey + step <= inner.y + inner.h then
local rpm = data.sensor_raw('xe', 'fan1_input')
card.rgba(cr, colors.label)
card.text(cr, inner.x, ey, 'FAN')
card.rgba(cr, colors.value)
card.text_right(cr, inner.x + inner.w, ey,
rpm and string.format('%d RPM', rpm) or '--')
end
end
return M
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