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import { execAsync, Gio, GObject, interval, property, register } from "astal";
import { gpu as config } from "config";
@register({ GTypeName: "Gpu" })
export default class Gpu extends GObject.Object {
static instance: Gpu;
static get_default() {
if (!this.instance) this.instance = new Gpu();
return this.instance;
}
readonly available: boolean = false;
#usage: number = 0;
@property(Number)
get usage() {
return this.#usage;
}
async calculateUsage() {
const percs = (await execAsync("fish -c 'cat /sys/class/drm/card*/device/gpu_busy_percent'")).split("\n");
return percs.reduce((a, b) => a + parseFloat(b), 0) / percs.length;
}
update() {
this.calculateUsage().then(usage => {
this.#usage = usage;
this.notify("usage");
});
}
constructor() {
super();
let enumerator = null;
try {
enumerator = Gio.File.new_for_path("/sys/class/drm").enumerate_children(
Gio.FILE_ATTRIBUTE_STANDARD_NAME,
Gio.FileQueryInfoFlags.NONE,
null
);
} catch {}
let info: Gio.FileInfo | undefined | null;
while ((info = enumerator?.next_file(null))) {
if (/card[0-9]+/.test(info.get_name())) {
this.available = true;
break;
}
}
if (this.available) interval(config.interval, () => this.update());
}
}
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