vicious/widgets/amdgpu_linux.lua

70 lines
2.0 KiB
Lua

-- AMD GPU widget type for Linux
-- Copyright (C) 2022 Rémy Clouard <shikamaru shikamaru fr>
--
-- This file is part of Vicious.
--
-- Vicious is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as
-- published by the Free Software Foundation, either version 2 of the
-- License, or (at your option) any later version.
--
-- Vicious is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
local io = { open = io.open }
local string = { match = string.match }
local tonumber = tonumber
local type = type
local helpers = require("vicious.helpers")
local _mem = nil
-- {{{ AMDGPU widget type
return helpers.setcall(function (format, warg)
if not warg then return end
-- see https://www.kernel.org/doc/html/v5.9/gpu/amdgpu.html#busy-percent
local amdgpu = "/sys/class/drm/"..warg.."/device"
local _data = {}
local f = io.open(amdgpu .. "/gpu_busy_percent", "r")
if f then
_data["{gpu_usage}"] = f:read("*line")
f:close()
else
_data["{gpu_usage}"] = "N/A"
end
if _mem == nil then
f = io.open(amdgpu .. "/mem_info_vram_total", "r")
if f then
_mem = tonumber(string.match(f:read("*line"), "([%d]+)"))
f:close()
end
end
f = io.open(amdgpu .. "/mem_info_vram_used", "r")
if f then
local _used = tonumber(string.match(f:read("*line"), "([%d]+)"))
if type(_used) == 'number' and type(_mem) == 'number'
and _mem > 0 then
_data["{mem_usage}"] = _used/_mem*100
else
_data["{mem_usage}"] = "N/A"
end
f:close()
else
_data["{mem_usage}"] = "N/A"
end
return _data
end)
--}}}